aica.c revision 1.24.4.1
1 /* $NetBSD: aica.c,v 1.24.4.1 2019/06/10 22:06:01 christos 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 1.24.4.1 2019/06/10 22:06:01 christos Exp $"); 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/device.h> 37 #include <sys/kernel.h> 38 #include <sys/proc.h> 39 #include <sys/audioio.h> 40 #include <sys/bus.h> 41 42 #include <dev/audio/audio_if.h> 43 #include <dev/audio/audiovar.h> /* AUDIO_MIN_FREQUENCY */ 44 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 device_t sc_dev; /* base device */ 59 kmutex_t sc_lock; 60 kmutex_t sc_intr_lock; 61 bus_space_tag_t sc_memt; 62 bus_space_handle_t sc_aica_regh; 63 bus_space_handle_t sc_aica_memh; 64 65 /* audio property */ 66 int sc_open; 67 int sc_precision; 68 int sc_channels; 69 int sc_rate; 70 void (*sc_intr)(void *); 71 void *sc_intr_arg; 72 73 int sc_output_master; 74 int sc_output_gain[2]; 75 #define AICA_VOLUME_LEFT 0 76 #define AICA_VOLUME_RIGHT 1 77 78 /* work for output */ 79 void *sc_buffer; 80 void *sc_buffer_start; 81 void *sc_buffer_end; 82 int sc_blksize; 83 int sc_nextfill; 84 }; 85 86 static const struct audio_format aica_formats[] = { 87 { 88 .mode = AUMODE_PLAY, 89 .encoding = AUDIO_ENCODING_SLINEAR_LE, 90 .validbits = 16, 91 .precision = 16, 92 .channels = 2, 93 .channel_mask = AUFMT_STEREO, 94 .frequency_type = 0, 95 .frequency = { AUDIO_MIN_FREQUENCY, 65536 }, 96 }, 97 }; 98 #define AICA_NFORMATS __arraycount(aica_formats) 99 100 int aica_match(device_t, cfdata_t, void *); 101 void aica_attach(device_t, device_t, void *); 102 int aica_print(void *, const char *); 103 104 CFATTACH_DECL_NEW(aica, sizeof(struct aica_softc), aica_match, aica_attach, 105 NULL, NULL); 106 107 const struct audio_device aica_device = { 108 "Dreamcast Sound", 109 "", 110 "aica" 111 }; 112 113 inline static void aica_g2fifo_wait(void); 114 void aica_enable(struct aica_softc *); 115 void aica_disable(struct aica_softc *); 116 void aica_memwrite(struct aica_softc *, bus_size_t, uint32_t *, int); 117 void aica_ch2p16write(struct aica_softc *, bus_size_t, uint16_t *, int); 118 void aica_ch2p8write(struct aica_softc *, bus_size_t, uint8_t *, int); 119 void aica_command(struct aica_softc *, uint32_t); 120 void aica_sendparam(struct aica_softc *, uint32_t, int, int); 121 void aica_play(struct aica_softc *, int, int, int, int); 122 void aica_fillbuffer(struct aica_softc *); 123 124 /* intr */ 125 int aica_intr(void *); 126 127 /* for audio */ 128 int aica_open(void *, int); 129 void aica_close(void *); 130 int aica_query_format(void *, audio_format_query_t *); 131 int aica_set_format(void *, int, 132 const audio_params_t *, const audio_params_t *, 133 audio_filter_reg_t *, audio_filter_reg_t *); 134 int aica_round_blocksize(void *, int, int, const audio_params_t *); 135 size_t aica_round_buffersize(void *, int, size_t); 136 int aica_trigger_output(void *, void *, void *, int, void (*)(void *), void *, 137 const audio_params_t *); 138 int aica_trigger_input(void *, void *, void *, int, void (*)(void *), void *, 139 const audio_params_t *); 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 void aica_get_locks(void *, kmutex_t **, kmutex_t **); 149 150 const struct audio_hw_if aica_hw_if = { 151 .open = aica_open, 152 .close = aica_close, 153 .query_format = aica_query_format, 154 .set_format = aica_set_format, 155 .round_blocksize = aica_round_blocksize, 156 .halt_output = aica_halt_output, 157 .halt_input = aica_halt_input, 158 .getdev = aica_getdev, 159 .set_port = aica_set_port, 160 .get_port = aica_get_port, 161 .query_devinfo = aica_query_devinfo, 162 .round_buffersize = aica_round_buffersize, 163 .get_props = aica_get_props, 164 .trigger_output = aica_trigger_output, 165 .trigger_input = aica_trigger_input, 166 .get_locks = aica_get_locks, 167 }; 168 169 int 170 aica_match(device_t parent, cfdata_t cf, void *aux) 171 { 172 static int aica_matched = 0; 173 174 if (aica_matched) 175 return 0; 176 177 aica_matched = 1; 178 return 1; 179 } 180 181 void 182 aica_attach(device_t parent, device_t self, void *aux) 183 { 184 struct aica_softc *sc; 185 struct g2bus_attach_args *ga; 186 int i; 187 188 sc = device_private(self); 189 ga = aux; 190 sc->sc_dev = self; 191 sc->sc_memt = ga->ga_memt; 192 193 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE); 194 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_SCHED); 195 196 if (bus_space_map(sc->sc_memt, AICA_REG_ADDR, 0x3000, 0, 197 &sc->sc_aica_regh) != 0) { 198 aprint_error(": can't map AICA register space\n"); 199 return; 200 } 201 202 if (bus_space_map(sc->sc_memt, AICA_RAM_START, AICA_RAM_SIZE, 0, 203 &sc->sc_aica_memh) != 0) { 204 aprint_error(": can't map AICA memory space\n"); 205 return; 206 } 207 208 aprint_normal(": ARM7 Sound Processing Unit\n"); 209 210 aica_disable(sc); 211 212 for (i = 0; i < AICA_NCHAN; i++) 213 bus_space_write_4(sc->sc_memt,sc->sc_aica_regh, i << 7, 214 ((bus_space_read_4(sc->sc_memt, sc->sc_aica_regh, i << 7) 215 & ~0x4000) | 0x8000)); 216 217 /* load microcode, and clear memory */ 218 bus_space_set_region_4(sc->sc_memt, sc->sc_aica_memh, 219 0, 0, AICA_RAM_SIZE / 4); 220 221 aica_memwrite(sc, 0, aica_armcode, sizeof(aica_armcode)); 222 223 aica_enable(sc); 224 225 aprint_normal_dev(self, "interrupting at %s\n", 226 sysasic_intr_string(SYSASIC_IRL9)); 227 sysasic_intr_establish(SYSASIC_EVENT_AICA, IPL_BIO, SYSASIC_IRL9, 228 aica_intr, sc); 229 230 audio_attach_mi(&aica_hw_if, sc, self); 231 232 /* init parameters */ 233 sc->sc_output_master = 255; 234 sc->sc_output_gain[AICA_VOLUME_LEFT] = 255; 235 sc->sc_output_gain[AICA_VOLUME_RIGHT] = 255; 236 } 237 238 void 239 aica_enable(struct aica_softc *sc) 240 { 241 242 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x28a8, 24); 243 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00, 244 bus_space_read_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00) & ~1); 245 } 246 247 void 248 aica_disable(struct aica_softc *sc) 249 { 250 251 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00, 252 bus_space_read_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00) | 1); 253 } 254 255 inline static void 256 aica_g2fifo_wait(void) 257 { 258 int i; 259 260 i = AICA_TIMEOUT; 261 while (--i > 0) 262 if ((*(volatile uint32_t *)0xa05f688c) & 0x11) 263 break; 264 } 265 266 void 267 aica_memwrite(struct aica_softc *sc, bus_size_t offset, uint32_t *src, int len) 268 { 269 int n; 270 271 KASSERT((offset & 3) == 0); 272 n = (len + 3) / 4; /* uint32_t * n (aligned) */ 273 274 aica_g2fifo_wait(); 275 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 276 offset, src, n); 277 } 278 279 void 280 aica_ch2p16write(struct aica_softc *sc, bus_size_t offset, uint16_t *src, 281 int len) 282 { 283 union { 284 uint32_t w[8]; 285 uint16_t s[16]; 286 } buf; 287 uint16_t *p; 288 int i; 289 290 KASSERT((offset & 3) == 0); 291 292 while (len >= 32) { 293 p = buf.s; 294 *p++ = *src++; src++; 295 *p++ = *src++; src++; 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++; 310 311 aica_g2fifo_wait(); 312 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 313 offset, buf.w , 32 / 4); 314 315 offset += sizeof(uint16_t) * 16; 316 len -= 32; 317 } 318 319 if (len / 2 > 0) { 320 p = buf.s; 321 for (i = 0; i < len / 2; i++) { 322 *p++ = *src++; src++; 323 } 324 325 aica_g2fifo_wait(); 326 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 327 offset, buf.w, len / 4); 328 } 329 } 330 331 void 332 aica_ch2p8write(struct aica_softc *sc, bus_size_t offset, uint8_t *src, 333 int len) 334 { 335 uint32_t buf[8]; 336 uint8_t *p; 337 int i; 338 339 KASSERT((offset & 3) == 0); 340 while (len >= 32) { 341 p = (uint8_t *)buf; 342 343 *p++ = *src++; src++; 344 *p++ = *src++; src++; 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++; 375 376 aica_g2fifo_wait(); 377 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 378 offset, buf, 32 / 4); 379 380 offset += 32; 381 len -= 32; 382 } 383 384 if (len) { 385 p = (uint8_t *)buf; 386 for (i = 0; i < len; i++) { 387 *p++ = *src++; src++; 388 } 389 390 aica_g2fifo_wait(); 391 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 392 offset, buf, len / 4); 393 } 394 } 395 396 int 397 aica_open(void *addr, int flags) 398 { 399 struct aica_softc *sc; 400 401 sc = addr; 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; 415 416 sc = addr; 417 sc->sc_open = 0; 418 sc->sc_intr = NULL; 419 } 420 421 int 422 aica_query_format(void *addr, audio_format_query_t *afp) 423 { 424 425 return audio_query_format(aica_formats, AICA_NFORMATS, afp); 426 } 427 428 int 429 aica_set_format(void *addr, int setmode, 430 const audio_params_t *play, const audio_params_t *rec, 431 audio_filter_reg_t *pfil, audio_filter_reg_t *rfil) 432 { 433 struct aica_softc *sc; 434 435 sc = addr; 436 sc->sc_precision = play->precision; 437 sc->sc_channels = play->channels; 438 sc->sc_rate = play->sample_rate; 439 return 0; 440 } 441 442 int 443 aica_round_blocksize(void *addr, int blk, int mode, const audio_params_t *param) 444 { 445 #if 0 /* XXX this has not worked since kent-audio1 merge? */ 446 struct aica_softc *sc; 447 448 sc = addr; 449 switch (sc->sc_precision) { 450 case 4: 451 if (sc->sc_channels == 1) 452 return AICA_DMABUF_SIZE / 4; 453 else 454 return AICA_DMABUF_SIZE / 2; 455 break; 456 case 8: 457 if (sc->sc_channels == 1) 458 return AICA_DMABUF_SIZE / 2; 459 else 460 return AICA_DMABUF_SIZE; 461 break; 462 case 16: 463 if (sc->sc_channels == 1) 464 return AICA_DMABUF_SIZE; 465 else 466 return AICA_DMABUF_SIZE * 2; 467 break; 468 default: 469 break; 470 } 471 472 #endif 473 return AICA_DMABUF_SIZE / 4; 474 } 475 476 size_t 477 aica_round_buffersize(void *addr, int dir, size_t bufsize) 478 { 479 struct aica_softc *sc; 480 481 sc = addr; 482 if (bufsize > 65536 * sc->sc_channels) 483 return 65536 * sc->sc_channels; 484 return bufsize; 485 } 486 487 void 488 aica_command(struct aica_softc *sc, uint32_t command) 489 { 490 491 bus_space_write_4(sc->sc_memt, sc->sc_aica_memh, 492 AICA_ARM_CMD_COMMAND, command); 493 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, AICA_ARM_CMD_SERIAL, 494 bus_space_read_4(sc->sc_memt, sc->sc_aica_memh, 495 AICA_ARM_CMD_SERIAL) + 1); 496 } 497 498 void 499 aica_sendparam(struct aica_softc *sc, uint32_t command, 500 int32_t lparam, int32_t rparam) 501 { 502 503 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 504 AICA_ARM_CMD_LPARAM, lparam); 505 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 506 AICA_ARM_CMD_RPARAM, rparam); 507 508 aica_command(sc, command); 509 } 510 511 void 512 aica_play(struct aica_softc *sc, int blksize, int channel, int rate, int prec) 513 { 514 515 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 516 AICA_ARM_CMD_BLOCKSIZE, blksize); 517 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 518 AICA_ARM_CMD_CHANNEL, channel); 519 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 520 AICA_ARM_CMD_RATE, rate); 521 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 522 AICA_ARM_CMD_PRECISION, prec); 523 524 aica_command(sc, AICA_COMMAND_PLAY); 525 } 526 527 void 528 aica_fillbuffer(struct aica_softc *sc) 529 { 530 531 if (sc->sc_channels == 2) { 532 if (sc->sc_precision == 16) { 533 aica_ch2p16write(sc, 534 AICA_DMABUF_LEFT + sc->sc_nextfill, 535 (uint16_t *)sc->sc_buffer + 0, sc->sc_blksize / 2); 536 aica_ch2p16write(sc, 537 AICA_DMABUF_RIGHT + sc->sc_nextfill, 538 (uint16_t *)sc->sc_buffer + 1, sc->sc_blksize / 2); 539 } else if (sc->sc_precision == 8) { 540 aica_ch2p8write(sc, AICA_DMABUF_LEFT + sc->sc_nextfill, 541 (uint8_t *)sc->sc_buffer + 0, sc->sc_blksize / 2); 542 aica_ch2p8write(sc, AICA_DMABUF_RIGHT + sc->sc_nextfill, 543 (uint8_t *)sc->sc_buffer + 1, sc->sc_blksize / 2); 544 } 545 } else { 546 aica_memwrite(sc, AICA_DMABUF_MONO + sc->sc_nextfill, 547 sc->sc_buffer, sc->sc_blksize); 548 } 549 550 sc->sc_buffer = (int8_t *)sc->sc_buffer + sc->sc_blksize; 551 if (sc->sc_buffer >= sc->sc_buffer_end) 552 sc->sc_buffer = sc->sc_buffer_start; 553 554 sc->sc_nextfill ^= sc->sc_blksize / sc->sc_channels; 555 } 556 557 int 558 aica_intr(void *arg) 559 { 560 struct aica_softc *sc; 561 562 sc = arg; 563 564 mutex_spin_enter(&sc->sc_intr_lock); 565 566 aica_fillbuffer(sc); 567 568 /* call audio interrupt handler (audio_pint()) */ 569 if (sc->sc_open && sc->sc_intr != NULL) { 570 (*(sc->sc_intr))(sc->sc_intr_arg); 571 } 572 573 /* clear SPU interrupt */ 574 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x28bc, 0x20); 575 576 mutex_spin_exit(&sc->sc_intr_lock); 577 578 return 1; 579 } 580 581 int 582 aica_trigger_output(void *addr, void *start, void *end, int blksize, 583 void (*intr)(void *), void *arg, const audio_params_t *param) 584 { 585 struct aica_softc *sc; 586 587 sc = addr; 588 589 sc->sc_buffer_start = sc->sc_buffer = start; 590 sc->sc_buffer_end = end; 591 sc->sc_blksize = blksize; 592 sc->sc_nextfill = 0; 593 594 sc->sc_intr = intr; 595 sc->sc_intr_arg = arg; 596 597 /* 598 * The aica arm side driver uses a double buffer to play sounds. 599 * we need to fill two buffers before playing. 600 */ 601 aica_fillbuffer(sc); 602 aica_fillbuffer(sc); 603 604 /* ...and start playing */ 605 aica_play(sc, blksize / sc->sc_channels, sc->sc_channels, sc->sc_rate, 606 sc->sc_precision); 607 608 return 0; 609 } 610 611 int 612 aica_trigger_input(void *addr, void *start, void *end, int blksize, 613 void (*intr)(void *), void *arg, const audio_params_t *param) 614 { 615 616 return ENODEV; 617 } 618 619 int 620 aica_halt_output(void *addr) 621 { 622 struct aica_softc *sc; 623 624 sc = addr; 625 aica_command(sc, AICA_COMMAND_STOP); 626 return 0; 627 } 628 629 int 630 aica_halt_input(void *addr) 631 { 632 633 return ENODEV; 634 } 635 636 int 637 aica_getdev(void *addr, struct audio_device *ret) 638 { 639 640 *ret = aica_device; 641 return 0; 642 } 643 644 int 645 aica_set_port(void *addr, mixer_ctrl_t *mc) 646 { 647 struct aica_softc *sc; 648 649 sc = addr; 650 switch (mc->dev) { 651 case AICA_MASTER_VOL: 652 sc->sc_output_master = 653 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] & 0xff; 654 aica_sendparam(sc, AICA_COMMAND_MVOL, 655 sc->sc_output_master, sc->sc_output_master); 656 break; 657 case AICA_OUTPUT_GAIN: 658 sc->sc_output_gain[AICA_VOLUME_LEFT] = 659 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] & 0xff; 660 sc->sc_output_gain[AICA_VOLUME_RIGHT] = 661 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] & 0xff; 662 aica_sendparam(sc, AICA_COMMAND_VOL, 663 sc->sc_output_gain[AICA_VOLUME_LEFT], 664 sc->sc_output_gain[AICA_VOLUME_RIGHT]); 665 break; 666 default: 667 return EINVAL; 668 } 669 670 return 0; 671 } 672 673 int 674 aica_get_port(void *addr, mixer_ctrl_t *mc) 675 { 676 struct aica_softc *sc; 677 678 sc = addr; 679 switch (mc->dev) { 680 case AICA_MASTER_VOL: 681 if (mc->un.value.num_channels != 1) 682 return EINVAL; 683 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 684 L16TO256(L256TO16(sc->sc_output_master)); 685 break; 686 case AICA_OUTPUT_GAIN: 687 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 688 sc->sc_output_gain[AICA_VOLUME_LEFT]; 689 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 690 sc->sc_output_gain[AICA_VOLUME_RIGHT]; 691 break; 692 default: 693 return EINVAL; 694 } 695 return 0; 696 } 697 698 int 699 aica_query_devinfo(void *addr, mixer_devinfo_t *md) 700 { 701 702 switch (md->index) { 703 case AICA_MASTER_VOL: 704 md->type = AUDIO_MIXER_VALUE; 705 md->mixer_class = AICA_OUTPUT_CLASS; 706 md->prev = md->next = AUDIO_MIXER_LAST; 707 strcpy(md->label.name, AudioNmaster); 708 md->un.v.num_channels = 1; 709 strcpy(md->un.v.units.name, AudioNvolume); 710 return 0; 711 case AICA_OUTPUT_GAIN: 712 md->type = AUDIO_MIXER_VALUE; 713 md->mixer_class = AICA_OUTPUT_CLASS; 714 md->prev = md->next = AUDIO_MIXER_LAST; 715 strcpy(md->label.name, AudioNoutput); 716 md->un.v.num_channels = 2; 717 strcpy(md->label.name, AudioNvolume); 718 return 0; 719 case AICA_OUTPUT_CLASS: 720 md->type = AUDIO_MIXER_CLASS; 721 md->mixer_class = AICA_OUTPUT_CLASS; 722 md->next = md->prev = AUDIO_MIXER_LAST; 723 strcpy(md->label.name, AudioCoutputs); 724 return 0; 725 } 726 727 return ENXIO; 728 } 729 730 int 731 aica_get_props(void *addr) 732 { 733 734 return AUDIO_PROP_PLAYBACK; 735 } 736 737 void 738 aica_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread) 739 { 740 struct aica_softc *sc; 741 742 sc = addr; 743 *intr = &sc->sc_intr_lock; 744 *thread = &sc->sc_lock; 745 } 746
Indexes created Wed Oct 22 00:09:40 GMT 2025