aica.c revision 1.15
1 /* $NetBSD: aica.c,v 1.15 2007/07/16 12:22:53 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 1.15 2007/07/16 12:22:53 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 const struct { 86 const 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 #define AICA_NFORMATS 5 102 static const struct audio_format aica_formats[AICA_NFORMATS] = { 103 {NULL, AUMODE_PLAY, AUDIO_ENCODING_ADPCM, 4, 4, 104 1, AUFMT_MONAURAL, 0, {1, 65536}}, 105 {NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 106 1, AUFMT_MONAURAL, 0, {1, 65536}}, 107 {NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 108 2, AUFMT_STEREO, 0, {1, 65536}}, 109 {NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 8, 8, 110 1, AUFMT_MONAURAL, 0, {1, 65536}}, 111 {NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 8, 8, 112 2, AUFMT_STEREO, 0, {1, 65536}}, 113 }; 114 115 int aica_match(struct device *, struct cfdata *, void *); 116 void aica_attach(struct device *, struct device *, void *); 117 int aica_print(void *, const char *); 118 119 CFATTACH_DECL(aica, sizeof(struct aica_softc), aica_match, aica_attach, 120 NULL, NULL); 121 122 const struct audio_device aica_device = { 123 "Dreamcast Sound", 124 "", 125 "aica" 126 }; 127 128 inline static void aica_g2fifo_wait(void); 129 void aica_enable(struct aica_softc *); 130 void aica_disable(struct aica_softc *); 131 void aica_memwrite(struct aica_softc *, bus_size_t, uint32_t *, int); 132 void aica_ch2p16write(struct aica_softc *, bus_size_t, uint16_t *, int); 133 void aica_ch2p8write(struct aica_softc *, bus_size_t, uint8_t *, int); 134 void aica_command(struct aica_softc *, uint32_t); 135 void aica_sendparam(struct aica_softc *, uint32_t, int, int); 136 void aica_play(struct aica_softc *, int, int, int, int); 137 void aica_fillbuffer(struct aica_softc *); 138 139 /* intr */ 140 int aica_intr(void *); 141 142 /* for audio */ 143 int aica_open(void *, int); 144 void aica_close(void *); 145 int aica_query_encoding(void *, struct audio_encoding *); 146 int aica_set_params(void *, int, int, audio_params_t *, 147 audio_params_t *, stream_filter_list_t *, stream_filter_list_t *); 148 int aica_round_blocksize(void *, int, int, const audio_params_t *); 149 size_t aica_round_buffersize(void *, int, size_t); 150 int aica_trigger_output(void *, void *, void *, int, void (*)(void *), void *, 151 const audio_params_t *); 152 int aica_trigger_input(void *, void *, void *, int, void (*)(void *), void *, 153 const audio_params_t *); 154 int aica_halt_output(void *); 155 int aica_halt_input(void *); 156 int aica_getdev(void *, struct audio_device *); 157 int aica_set_port(void *, mixer_ctrl_t *); 158 int aica_get_port(void *, mixer_ctrl_t *); 159 int aica_query_devinfo(void *, mixer_devinfo_t *); 160 void aica_encode(int, int, int, int, u_char *, u_short **); 161 int aica_get_props(void *); 162 163 const struct audio_hw_if aica_hw_if = { 164 aica_open, 165 aica_close, 166 NULL, /* aica_drain */ 167 aica_query_encoding, 168 aica_set_params, 169 aica_round_blocksize, 170 NULL, /* aica_commit_setting */ 171 NULL, /* aica_init_output */ 172 NULL, /* aica_init_input */ 173 NULL, /* aica_start_output */ 174 NULL, /* aica_start_input */ 175 aica_halt_output, 176 aica_halt_input, 177 NULL, /* aica_speaker_ctl */ 178 aica_getdev, 179 NULL, /* aica_setfd */ 180 aica_set_port, 181 aica_get_port, 182 aica_query_devinfo, 183 NULL, /* aica_allocm */ 184 NULL, /* aica_freem */ 185 186 aica_round_buffersize, /* aica_round_buffersize */ 187 188 NULL, /* aica_mappage */ 189 aica_get_props, 190 aica_trigger_output, 191 aica_trigger_input, 192 NULL, /* aica_dev_ioctl */ 193 }; 194 195 int 196 aica_match(struct device *parent, struct cfdata *cf, void *aux) 197 { 198 static int aica_matched = 0; 199 200 if (aica_matched) 201 return 0; 202 203 aica_matched = 1; 204 return 1; 205 } 206 207 void 208 aica_attach(struct device *parent, struct device *self, void *aux) 209 { 210 struct aica_softc *sc; 211 struct g2bus_attach_args *ga; 212 int i; 213 214 sc = (struct aica_softc *)self; 215 ga = aux; 216 sc->sc_memt = ga->ga_memt; 217 218 if (bus_space_map(sc->sc_memt, AICA_REG_ADDR, 0x3000, 0, 219 &sc->sc_aica_regh) != 0) { 220 printf(": can't map AICA register space\n"); 221 return; 222 } 223 224 if (bus_space_map(sc->sc_memt, AICA_RAM_START, AICA_RAM_SIZE, 0, 225 &sc->sc_aica_memh) != 0) { 226 printf(": can't map AICA memory space\n"); 227 return; 228 } 229 230 printf(": ARM7 Sound Processing Unit\n"); 231 232 aica_disable(sc); 233 234 for (i = 0; i < AICA_NCHAN; i++) 235 bus_space_write_4(sc->sc_memt,sc->sc_aica_regh, i << 7, 236 ((bus_space_read_4(sc->sc_memt, sc->sc_aica_regh, i << 7) 237 & ~0x4000) | 0x8000)); 238 239 /* load microcode, and clear memory */ 240 bus_space_set_region_4(sc->sc_memt, sc->sc_aica_memh, 241 0, 0, AICA_RAM_SIZE / 4); 242 243 aica_memwrite(sc, 0, aica_armcode, sizeof(aica_armcode)); 244 245 aica_enable(sc); 246 247 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, 248 sysasic_intr_string(IPL_BIO)); 249 sysasic_intr_establish(SYSASIC_EVENT_AICA, IPL_BIO, SYSASIC_IRL9, 250 aica_intr, sc); 251 252 audio_attach_mi(&aica_hw_if, sc, &sc->sc_dev); 253 254 /* init parameters */ 255 sc->sc_output_master = 255; 256 sc->sc_output_gain[AICA_VOLUME_LEFT] = 255; 257 sc->sc_output_gain[AICA_VOLUME_RIGHT] = 255; 258 } 259 260 void 261 aica_enable(struct aica_softc *sc) 262 { 263 264 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x28a8, 24); 265 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00, 266 bus_space_read_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00) & ~1); 267 } 268 269 void 270 aica_disable(struct aica_softc *sc) 271 { 272 273 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00, 274 bus_space_read_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00) | 1); 275 } 276 277 inline static void 278 aica_g2fifo_wait(void) 279 { 280 int i; 281 282 i = AICA_TIMEOUT; 283 while (--i > 0) 284 if ((*(volatile uint32_t *)0xa05f688c) & 0x11) 285 break; 286 } 287 288 void 289 aica_memwrite(struct aica_softc *sc, bus_size_t offset, uint32_t *src, int len) 290 { 291 int n; 292 293 KASSERT((offset & 3) == 0); 294 n = (len + 3) / 4; /* uint32_t * n (aligned) */ 295 296 aica_g2fifo_wait(); 297 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 298 offset, src, n); 299 } 300 301 void 302 aica_ch2p16write(struct aica_softc *sc, bus_size_t offset, uint16_t *src, 303 int len) 304 { 305 union { 306 uint32_t w[8]; 307 uint16_t s[16]; 308 } buf; 309 uint16_t *p; 310 int i; 311 312 KASSERT((offset & 3) == 0); 313 314 while (len >= 32) { 315 p = buf.s; 316 *p++ = *src++; src++; 317 *p++ = *src++; src++; 318 *p++ = *src++; src++; 319 *p++ = *src++; src++; 320 *p++ = *src++; src++; 321 *p++ = *src++; src++; 322 *p++ = *src++; src++; 323 *p++ = *src++; src++; 324 *p++ = *src++; src++; 325 *p++ = *src++; src++; 326 *p++ = *src++; src++; 327 *p++ = *src++; src++; 328 *p++ = *src++; src++; 329 *p++ = *src++; src++; 330 *p++ = *src++; src++; 331 *p++ = *src++; src++; 332 333 aica_g2fifo_wait(); 334 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 335 offset, buf.w , 32 / 4); 336 337 offset += sizeof(uint16_t) * 16; 338 len -= 32; 339 } 340 341 if (len / 2 > 0) { 342 p = buf.s; 343 for (i = 0; i < len / 2; i++) { 344 *p++ = *src++; src++; 345 } 346 347 aica_g2fifo_wait(); 348 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 349 offset, buf.w, len / 4); 350 } 351 } 352 353 void 354 aica_ch2p8write(struct aica_softc *sc, bus_size_t offset, uint8_t *src, 355 int len) 356 { 357 uint32_t buf[8]; 358 uint8_t *p; 359 int i; 360 361 KASSERT((offset & 3) == 0); 362 while (len >= 32) { 363 p = (uint8_t *)buf; 364 365 *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 *p++ = *src++; src++; 381 *p++ = *src++; src++; 382 *p++ = *src++; src++; 383 *p++ = *src++; src++; 384 *p++ = *src++; src++; 385 *p++ = *src++; src++; 386 *p++ = *src++; src++; 387 *p++ = *src++; src++; 388 *p++ = *src++; src++; 389 *p++ = *src++; src++; 390 *p++ = *src++; src++; 391 *p++ = *src++; src++; 392 *p++ = *src++; src++; 393 *p++ = *src++; src++; 394 *p++ = *src++; src++; 395 *p++ = *src++; src++; 396 *p++ = *src++; src++; 397 398 aica_g2fifo_wait(); 399 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 400 offset, buf, 32 / 4); 401 402 offset += 32; 403 len -= 32; 404 } 405 406 if (len) { 407 p = (uint8_t *)buf; 408 for (i = 0; i < len; i++) 409 *p++ = *src++; src++; 410 411 aica_g2fifo_wait(); 412 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 413 offset, buf, len / 4); 414 } 415 } 416 417 int 418 aica_open(void *addr, int flags) 419 { 420 struct aica_softc *sc; 421 422 sc = addr; 423 if (sc->sc_open) 424 return EBUSY; 425 426 sc->sc_intr = NULL; 427 sc->sc_open = 1; 428 429 return 0; 430 } 431 432 void 433 aica_close(void *addr) 434 { 435 struct aica_softc *sc; 436 437 sc = addr; 438 sc->sc_open = 0; 439 sc->sc_intr = NULL; 440 } 441 442 int 443 aica_query_encoding(void *addr, struct audio_encoding *fp) 444 { 445 if (fp->index >= sizeof(aica_encodings) / sizeof(aica_encodings[0])) 446 return EINVAL; 447 448 strcpy(fp->name, aica_encodings[fp->index].name); 449 fp->encoding = aica_encodings[fp->index].encoding; 450 fp->precision = aica_encodings[fp->index].precision; 451 fp->flags = 0; 452 453 return 0; 454 } 455 456 int 457 aica_set_params(void *addr, int setmode, int usemode, 458 audio_params_t *play, audio_params_t *rec, 459 stream_filter_list_t *pfil, stream_filter_list_t *rfil) 460 { 461 struct aica_softc *sc; 462 const audio_params_t *hw; 463 int i; 464 465 i = auconv_set_converter(aica_formats, AICA_NFORMATS, 466 AUMODE_PLAY, play, false, pfil); 467 if (i < 0) 468 return EINVAL; 469 hw = pfil->req_size > 0 ? &pfil->filters[0].param : play; 470 sc = addr; 471 sc->sc_precision = hw->precision; 472 sc->sc_channels = hw->channels; 473 sc->sc_rate = hw->sample_rate; 474 sc->sc_encodings = hw->encoding; 475 return 0; 476 } 477 478 int 479 aica_round_blocksize(void *addr, int blk, int mode, const audio_params_t *param) 480 { 481 struct aica_softc *sc; 482 483 sc = addr; 484 switch (sc->sc_precision) { 485 case 4: 486 if (sc->sc_channels == 1) 487 return AICA_DMABUF_SIZE / 4; 488 else 489 return AICA_DMABUF_SIZE / 2; 490 break; 491 case 8: 492 if (sc->sc_channels == 1) 493 return AICA_DMABUF_SIZE / 2; 494 else 495 return AICA_DMABUF_SIZE; 496 break; 497 case 16: 498 if (sc->sc_channels == 1) 499 return AICA_DMABUF_SIZE; 500 else 501 return AICA_DMABUF_SIZE * 2; 502 break; 503 default: 504 break; 505 } 506 507 return AICA_DMABUF_SIZE / 4; 508 } 509 510 size_t 511 aica_round_buffersize(void *addr, int dir, size_t bufsize) 512 { 513 514 if (dir == AUMODE_PLAY) 515 return 65536; 516 517 return 512; /* XXX: AUMINBUF */ 518 } 519 520 void 521 aica_command(struct aica_softc *sc, uint32_t command) 522 { 523 524 bus_space_write_4(sc->sc_memt, sc->sc_aica_memh, 525 AICA_ARM_CMD_COMMAND, command); 526 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, AICA_ARM_CMD_SERIAL, 527 bus_space_read_4(sc->sc_memt, sc->sc_aica_memh, 528 AICA_ARM_CMD_SERIAL) + 1); 529 } 530 531 void 532 aica_sendparam(struct aica_softc *sc, uint32_t command, 533 int32_t lparam, int32_t rparam) 534 { 535 536 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 537 AICA_ARM_CMD_LPARAM, lparam); 538 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 539 AICA_ARM_CMD_RPARAM, rparam); 540 541 aica_command(sc, command); 542 } 543 544 void 545 aica_play(struct aica_softc *sc, int blksize, int channel, int rate, int prec) 546 { 547 548 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 549 AICA_ARM_CMD_BLOCKSIZE, blksize); 550 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 551 AICA_ARM_CMD_CHANNEL, channel); 552 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 553 AICA_ARM_CMD_RATE, rate); 554 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 555 AICA_ARM_CMD_PRECISION, prec); 556 557 aica_command(sc, AICA_COMMAND_PLAY); 558 } 559 560 void 561 aica_fillbuffer(struct aica_softc *sc) 562 { 563 564 if (sc->sc_channels == 2) { 565 if (sc->sc_precision == 16) { 566 aica_ch2p16write(sc, 567 AICA_DMABUF_LEFT + sc->sc_nextfill, 568 (uint16_t *)sc->sc_buffer + 0, sc->sc_blksize / 2); 569 aica_ch2p16write(sc, 570 AICA_DMABUF_RIGHT + sc->sc_nextfill, 571 (uint16_t *)sc->sc_buffer + 1, sc->sc_blksize / 2); 572 } else if (sc->sc_precision == 8) { 573 aica_ch2p8write(sc, AICA_DMABUF_LEFT + sc->sc_nextfill, 574 (uint8_t *)sc->sc_buffer + 0, sc->sc_blksize / 2); 575 aica_ch2p8write(sc, AICA_DMABUF_RIGHT + sc->sc_nextfill, 576 (uint8_t *)sc->sc_buffer + 1, sc->sc_blksize / 2); 577 } 578 } else { 579 aica_memwrite(sc, AICA_DMABUF_MONO + sc->sc_nextfill, 580 sc->sc_buffer, sc->sc_blksize); 581 } 582 583 sc->sc_buffer = (int8_t *)sc->sc_buffer + sc->sc_blksize; 584 if (sc->sc_buffer >= sc->sc_buffer_end) 585 sc->sc_buffer = sc->sc_buffer_start; 586 587 sc->sc_nextfill ^= sc->sc_blksize / sc->sc_channels; 588 } 589 590 int 591 aica_intr(void *arg) 592 { 593 struct aica_softc *sc; 594 595 sc = arg; 596 aica_fillbuffer(sc); 597 598 /* call audio interrupt handler (audio_pint()) */ 599 if (sc->sc_open && sc->sc_intr != NULL) { 600 (*(sc->sc_intr))(sc->sc_intr_arg); 601 } 602 603 /* clear SPU interrupt */ 604 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x28bc, 0x20); 605 return 1; 606 } 607 608 int 609 aica_trigger_output(void *addr, void *start, void *end, int blksize, 610 void (*intr)(void *), void *arg, const audio_params_t *param) 611 { 612 struct aica_softc *sc; 613 614 sc = addr; 615 aica_command(sc, AICA_COMMAND_INIT); 616 tsleep(aica_trigger_output, PWAIT, "aicawait", hz / 20); 617 618 sc->sc_buffer_start = sc->sc_buffer = start; 619 sc->sc_buffer_end = end; 620 sc->sc_blksize = blksize; 621 sc->sc_nextfill = 0; 622 623 sc->sc_intr = intr; 624 sc->sc_intr_arg = arg; 625 626 /* fill buffers in advance */ 627 aica_intr(sc); 628 aica_intr(sc); 629 630 /* ...and start playing */ 631 aica_play(sc, blksize / sc->sc_channels, sc->sc_channels, sc->sc_rate, 632 sc->sc_precision); 633 634 return 0; 635 } 636 637 int 638 aica_trigger_input(void *addr, void *start, void *end, int blksize, 639 void (*intr)(void *), void *arg, const audio_params_t *param) 640 { 641 642 return ENODEV; 643 } 644 645 int 646 aica_halt_output(void *addr) 647 { 648 struct aica_softc *sc; 649 650 sc = addr; 651 aica_command(sc, AICA_COMMAND_STOP); 652 return 0; 653 } 654 655 int 656 aica_halt_input(void *addr) 657 { 658 659 return ENODEV; 660 } 661 662 int 663 aica_getdev(void *addr, struct audio_device *ret) 664 { 665 666 *ret = aica_device; 667 return 0; 668 } 669 670 int 671 aica_set_port(void *addr, mixer_ctrl_t *mc) 672 { 673 struct aica_softc *sc; 674 675 sc = addr; 676 switch (mc->dev) { 677 case AICA_MASTER_VOL: 678 sc->sc_output_master = 679 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] & 0xff; 680 aica_sendparam(sc, AICA_COMMAND_MVOL, 681 sc->sc_output_master, sc->sc_output_master); 682 break; 683 case AICA_OUTPUT_GAIN: 684 sc->sc_output_gain[AICA_VOLUME_LEFT] = 685 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] & 0xff; 686 sc->sc_output_gain[AICA_VOLUME_RIGHT] = 687 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] & 0xff; 688 aica_sendparam(sc, AICA_COMMAND_VOL, 689 sc->sc_output_gain[AICA_VOLUME_LEFT], 690 sc->sc_output_gain[AICA_VOLUME_RIGHT]); 691 break; 692 default: 693 return EINVAL; 694 } 695 696 return 0; 697 } 698 699 int 700 aica_get_port(void *addr, mixer_ctrl_t *mc) 701 { 702 struct aica_softc *sc; 703 704 sc = addr; 705 switch (mc->dev) { 706 case AICA_MASTER_VOL: 707 if (mc->un.value.num_channels != 1) 708 return EINVAL; 709 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 710 L16TO256(L256TO16(sc->sc_output_master)); 711 break; 712 case AICA_OUTPUT_GAIN: 713 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 714 sc->sc_output_gain[AICA_VOLUME_LEFT]; 715 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 716 sc->sc_output_gain[AICA_VOLUME_RIGHT]; 717 break; 718 default: 719 return EINVAL; 720 } 721 return 0; 722 } 723 724 int 725 aica_query_devinfo(void *addr, mixer_devinfo_t *md) 726 { 727 728 switch (md->index) { 729 case AICA_MASTER_VOL: 730 md->type = AUDIO_MIXER_VALUE; 731 md->mixer_class = AICA_OUTPUT_CLASS; 732 md->prev = md->next = AUDIO_MIXER_LAST; 733 strcpy(md->label.name, AudioNmaster); 734 md->un.v.num_channels = 1; 735 strcpy(md->un.v.units.name, AudioNvolume); 736 return 0; 737 case AICA_OUTPUT_GAIN: 738 md->type = AUDIO_MIXER_VALUE; 739 md->mixer_class = AICA_OUTPUT_CLASS; 740 md->prev = md->next = AUDIO_MIXER_LAST; 741 strcpy(md->label.name, AudioNoutput); 742 md->un.v.num_channels = 2; 743 strcpy(md->label.name, AudioNvolume); 744 return 0; 745 case AICA_OUTPUT_CLASS: 746 md->type = AUDIO_MIXER_CLASS; 747 md->mixer_class = AICA_OUTPUT_CLASS; 748 md->next = md->prev = AUDIO_MIXER_LAST; 749 strcpy(md->label.name, AudioCoutputs); 750 return 0; 751 } 752 753 return ENXIO; 754 } 755 756 int 757 aica_get_props(void *addr) 758 { 759 760 return 0; 761 } 762
Indexes created Mon Sep 29 13:09:55 GMT 2025