aica.c revision 1.6
1 /* $NetBSD: aica.c,v 1.6 2005/01/10 22:01:36 kent 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 1.6 2005/01/10 22:01:36 kent 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 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, u_int32_t *, int); 132 void aica_ch2p16write(struct aica_softc *, bus_size_t, u_int16_t *, int); 133 void aica_ch2p8write(struct aica_softc *, bus_size_t, u_int8_t *, int); 134 void aica_command(struct aica_softc *, u_int32_t); 135 void aica_sendparam(struct aica_softc *, u_int32_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 = (struct aica_softc *)self; 211 struct g2bus_attach_args *ga = aux; 212 int i; 213 214 sc->sc_memt = ga->ga_memt; 215 216 if (bus_space_map(sc->sc_memt, AICA_REG_ADDR, 0x3000, 0, 217 &sc->sc_aica_regh) != 0) { 218 printf(": can't map AICA register space\n"); 219 return; 220 } 221 222 if (bus_space_map(sc->sc_memt, AICA_RAM_START, AICA_RAM_SIZE, 0, 223 &sc->sc_aica_memh) != 0) { 224 printf(": can't map AICA memory space\n"); 225 return; 226 } 227 228 printf(": ARM7 Sound Processing Unit\n"); 229 230 aica_disable(sc); 231 232 for (i = 0; i < AICA_NCHAN; i++) 233 bus_space_write_4(sc->sc_memt,sc->sc_aica_regh, i << 7, 234 ((bus_space_read_4(sc->sc_memt, sc->sc_aica_regh, i << 7) 235 & ~0x4000) | 0x8000)); 236 237 /* load microcode, and clear memory */ 238 bus_space_set_region_4(sc->sc_memt, sc->sc_aica_memh, 239 0, 0, AICA_RAM_SIZE); 240 241 aica_memwrite(sc, 0, aica_armcode, sizeof(aica_armcode)); 242 243 aica_enable(sc); 244 245 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, 246 sysasic_intr_string(IPL_BIO)); 247 sysasic_intr_establish(SYSASIC_EVENT_AICA, IPL_BIO, aica_intr, sc); 248 249 audio_attach_mi(&aica_hw_if, sc, &sc->sc_dev); 250 251 /* init parameters */ 252 sc->sc_output_master = 255; 253 sc->sc_output_gain[AICA_VOLUME_LEFT] = 255; 254 sc->sc_output_gain[AICA_VOLUME_RIGHT] = 255; 255 } 256 257 void 258 aica_enable(struct aica_softc *sc) 259 { 260 261 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x28a8, 24); 262 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00, 263 bus_space_read_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00) & ~1); 264 } 265 266 void 267 aica_disable(struct aica_softc *sc) 268 { 269 270 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00, 271 bus_space_read_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00) | 1); 272 } 273 274 inline static void 275 aica_g2fifo_wait() 276 { 277 int i; 278 279 i = AICA_TIMEOUT; 280 while (--i > 0) 281 if ((*(volatile u_int32_t *)0xa05f688c) & 0x11) 282 break; 283 } 284 285 void 286 aica_memwrite(struct aica_softc *sc, bus_size_t offset, u_int32_t *src, int len) 287 { 288 int n; 289 290 KASSERT((offset & 3) == 0); 291 n = (len + 3) / 4; /* u_int32_t * n (aligned) */ 292 293 aica_g2fifo_wait(); 294 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 295 offset, src, n); 296 } 297 298 void 299 aica_ch2p16write(struct aica_softc *sc, bus_size_t offset, u_int16_t *src, 300 int len) 301 { 302 union { 303 u_int32_t w[8]; 304 u_int16_t s[16]; 305 } buf; 306 u_int16_t *p; 307 int i; 308 309 KASSERT((offset & 3) == 0); 310 311 while (len >= 32) { 312 p = buf.s; 313 *p++ = *src++; src++; 314 *p++ = *src++; src++; 315 *p++ = *src++; src++; 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++; 329 330 aica_g2fifo_wait(); 331 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 332 offset, buf.w , 32 / 4); 333 334 offset += sizeof(u_int16_t) * 16; 335 len -= 32; 336 } 337 338 if (len / 2 > 0) { 339 p = buf.s; 340 for (i = 0; i < len / 2; i++) { 341 *p++ = *src++; src++; 342 } 343 344 aica_g2fifo_wait(); 345 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 346 offset, buf.w, len / 4); 347 } 348 } 349 350 void 351 aica_ch2p8write(struct aica_softc *sc, bus_size_t offset, u_int8_t *src, 352 int len) 353 { 354 u_int32_t buf[8]; 355 u_int8_t *p; 356 int i; 357 358 KASSERT((offset & 3) == 0); 359 while (len >= 32) { 360 p = (u_int8_t *)buf; 361 362 *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 *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++; 394 395 aica_g2fifo_wait(); 396 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 397 offset, buf, 32 / 4); 398 399 offset += 32; 400 len -= 32; 401 } 402 403 if (len) { 404 p = (u_int8_t *)buf; 405 for (i = 0; i < len; i++) 406 *p++ = *src++; src++; 407 408 aica_g2fifo_wait(); 409 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 410 offset, buf, len / 4); 411 } 412 } 413 414 int 415 aica_open(void *addr, int flags) 416 { 417 struct aica_softc *sc = addr; 418 419 if (sc->sc_open) 420 return EBUSY; 421 422 sc->sc_intr = NULL; 423 sc->sc_open = 1; 424 425 return 0; 426 } 427 428 void 429 aica_close(void *addr) 430 { 431 struct aica_softc *sc = addr; 432 433 sc->sc_open = 0; 434 sc->sc_intr = NULL; 435 } 436 437 int 438 aica_query_encoding(void *addr, struct audio_encoding *fp) 439 { 440 if (fp->index >= sizeof(aica_encodings) / sizeof(aica_encodings[0])) 441 return EINVAL; 442 443 strcpy(fp->name, aica_encodings[fp->index].name); 444 fp->encoding = aica_encodings[fp->index].encoding; 445 fp->precision = aica_encodings[fp->index].precision; 446 fp->flags = 0; 447 448 return 0; 449 } 450 451 int 452 aica_set_params(void *addr, int setmode, int usemode, 453 audio_params_t *play, audio_params_t *rec, 454 stream_filter_list_t *pfil, stream_filter_list_t *rfil) 455 { 456 struct aica_softc *sc = addr; 457 const audio_params_t *hw; 458 int i; 459 460 i = auconv_set_converter(aica_formats, AICA_NFORMATS, 461 AUMODE_PLAY, play, FALSE, pfil); 462 if (i < 0) 463 return EINVAL; 464 hw = pfil->req_size > 0 ? &pfil->filters[0].param : play; 465 sc->sc_precision = hw->precision; 466 sc->sc_channels = hw->channels; 467 sc->sc_rate = hw->sample_rate; 468 sc->sc_encodings = hw->encoding; 469 return 0; 470 } 471 472 int 473 aica_round_blocksize(void *addr, int blk, int mode, const audio_params_t *param) 474 { 475 struct aica_softc *sc = addr; 476 477 switch (sc->sc_precision) { 478 case 4: 479 if (sc->sc_channels == 1) 480 return AICA_DMABUF_SIZE / 4; 481 else 482 return AICA_DMABUF_SIZE / 2; 483 break; 484 case 8: 485 if (sc->sc_channels == 1) 486 return AICA_DMABUF_SIZE / 2; 487 else 488 return AICA_DMABUF_SIZE; 489 break; 490 case 16: 491 if (sc->sc_channels == 1) 492 return AICA_DMABUF_SIZE; 493 else 494 return AICA_DMABUF_SIZE * 2; 495 break; 496 default: 497 break; 498 } 499 500 return AICA_DMABUF_SIZE / 4; 501 } 502 503 size_t 504 aica_round_buffersize(void *addr, int dir, size_t bufsize) 505 { 506 507 if (dir == AUMODE_PLAY) 508 return 65536; 509 510 return 512; /* XXX: AUMINBUF */ 511 } 512 513 void 514 aica_command(struct aica_softc *sc, u_int32_t command) 515 { 516 517 bus_space_write_4(sc->sc_memt, sc->sc_aica_memh, 518 AICA_ARM_CMD_COMMAND, command); 519 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, AICA_ARM_CMD_SERIAL, 520 bus_space_read_4(sc->sc_memt, sc->sc_aica_memh, 521 AICA_ARM_CMD_SERIAL) + 1); 522 } 523 524 void 525 aica_sendparam(struct aica_softc *sc, u_int32_t command, 526 int32_t lparam, int32_t rparam) 527 { 528 529 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 530 AICA_ARM_CMD_LPARAM, lparam); 531 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 532 AICA_ARM_CMD_RPARAM, rparam); 533 534 aica_command(sc, command); 535 } 536 537 void 538 aica_play(struct aica_softc *sc, int blksize, int channel, int rate, int prec) 539 { 540 541 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 542 AICA_ARM_CMD_BLOCKSIZE, blksize); 543 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 544 AICA_ARM_CMD_CHANNEL, channel); 545 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 546 AICA_ARM_CMD_RATE, rate); 547 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 548 AICA_ARM_CMD_PRECISION, prec); 549 550 aica_command(sc, AICA_COMMAND_PLAY); 551 } 552 553 void 554 aica_fillbuffer(struct aica_softc *sc) 555 { 556 557 if (sc->sc_channels == 2) { 558 if (sc->sc_precision == 16) { 559 aica_ch2p16write(sc, 560 AICA_DMABUF_LEFT + sc->sc_nextfill, 561 (u_int16_t *)sc->sc_buffer + 0, sc->sc_blksize / 2); 562 aica_ch2p16write(sc, 563 AICA_DMABUF_RIGHT + sc->sc_nextfill, 564 (u_int16_t *)sc->sc_buffer + 1, sc->sc_blksize / 2); 565 } else if (sc->sc_precision == 8) { 566 aica_ch2p8write(sc, AICA_DMABUF_LEFT + sc->sc_nextfill, 567 (u_int8_t *)sc->sc_buffer + 0, sc->sc_blksize / 2); 568 aica_ch2p8write(sc, AICA_DMABUF_RIGHT + sc->sc_nextfill, 569 (u_int8_t *)sc->sc_buffer + 1, sc->sc_blksize / 2); 570 } 571 } else { 572 aica_memwrite(sc, AICA_DMABUF_MONO + sc->sc_nextfill, 573 sc->sc_buffer, sc->sc_blksize); 574 } 575 576 (int8_t *)sc->sc_buffer += sc->sc_blksize; 577 if (sc->sc_buffer >= sc->sc_buffer_end) 578 sc->sc_buffer = sc->sc_buffer_start; 579 580 sc->sc_nextfill ^= sc->sc_blksize / sc->sc_channels; 581 } 582 583 int 584 aica_intr(void *arg) 585 { 586 struct aica_softc *sc = arg; 587 588 aica_fillbuffer(sc); 589 590 /* call audio interrupt handler (audio_pint()) */ 591 if (sc->sc_open && sc->sc_intr != NULL) { 592 (*(sc->sc_intr))(sc->sc_intr_arg); 593 } 594 595 /* clear SPU interrupt */ 596 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x28bc, 0x20); 597 return 1; 598 } 599 600 int 601 aica_trigger_output(void *addr, void *start, void *end, int blksize, 602 void (*intr)(void *), void *arg, const audio_params_t *param) 603 { 604 struct aica_softc *sc = addr; 605 606 aica_command(sc, AICA_COMMAND_INIT); 607 tsleep(aica_trigger_output, PWAIT, "aicawait", hz / 20); 608 609 sc->sc_buffer_start = sc->sc_buffer = start; 610 sc->sc_buffer_end = end; 611 sc->sc_blksize = blksize; 612 sc->sc_nextfill = 0; 613 614 sc->sc_intr = intr; 615 sc->sc_intr_arg = arg; 616 617 /* fill buffers in advance */ 618 aica_intr(sc); 619 aica_intr(sc); 620 621 /* ...and start playing */ 622 aica_play(sc, blksize / sc->sc_channels, sc->sc_channels, sc->sc_rate, 623 sc->sc_precision); 624 625 return 0; 626 } 627 628 int 629 aica_trigger_input(void *addr, void *start, void *end, int blksize, 630 void (*intr)(void *), void *arg, const audio_params_t *param) 631 { 632 633 return ENODEV; 634 } 635 636 int 637 aica_halt_output(void *addr) 638 { 639 struct aica_softc *sc = addr; 640 641 aica_command(sc, AICA_COMMAND_STOP); 642 643 return 0; 644 } 645 646 int 647 aica_halt_input(void *addr) 648 { 649 650 return ENODEV; 651 } 652 653 int 654 aica_getdev(void *addr, struct audio_device *ret) 655 { 656 657 *ret = aica_device; 658 return 0; 659 } 660 661 int 662 aica_set_port(void *addr, mixer_ctrl_t *mc) 663 { 664 struct aica_softc *sc = addr; 665 666 switch (mc->dev) { 667 case AICA_MASTER_VOL: 668 sc->sc_output_master = 669 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] & 0xff; 670 aica_sendparam(sc, AICA_COMMAND_MVOL, 671 sc->sc_output_master, sc->sc_output_master); 672 break; 673 case AICA_OUTPUT_GAIN: 674 sc->sc_output_gain[AICA_VOLUME_LEFT] = 675 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] & 0xff; 676 sc->sc_output_gain[AICA_VOLUME_RIGHT] = 677 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] & 0xff; 678 aica_sendparam(sc, AICA_COMMAND_VOL, 679 sc->sc_output_gain[AICA_VOLUME_LEFT], 680 sc->sc_output_gain[AICA_VOLUME_RIGHT]); 681 break; 682 default: 683 return EINVAL; 684 } 685 686 return 0; 687 } 688 689 int 690 aica_get_port(void *addr, mixer_ctrl_t *mc) 691 { 692 struct aica_softc *sc = addr; 693 694 switch (mc->dev) { 695 case AICA_MASTER_VOL: 696 if (mc->un.value.num_channels != 1) 697 return EINVAL; 698 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 699 L16TO256(L256TO16(sc->sc_output_master)); 700 break; 701 case AICA_OUTPUT_GAIN: 702 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 703 sc->sc_output_gain[AICA_VOLUME_LEFT]; 704 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 705 sc->sc_output_gain[AICA_VOLUME_RIGHT]; 706 break; 707 default: 708 return EINVAL; 709 } 710 return 0; 711 } 712 713 int 714 aica_query_devinfo(void *addr, mixer_devinfo_t *md) 715 { 716 717 switch (md->index) { 718 case AICA_MASTER_VOL: 719 md->type = AUDIO_MIXER_VALUE; 720 md->mixer_class = AICA_OUTPUT_CLASS; 721 md->prev = md->next = AUDIO_MIXER_LAST; 722 strcpy(md->label.name, AudioNmaster); 723 md->un.v.num_channels = 1; 724 strcpy(md->un.v.units.name, AudioNvolume); 725 return 0; 726 case AICA_OUTPUT_GAIN: 727 md->type = AUDIO_MIXER_VALUE; 728 md->mixer_class = AICA_OUTPUT_CLASS; 729 md->prev = md->next = AUDIO_MIXER_LAST; 730 strcpy(md->label.name, AudioNoutput); 731 md->un.v.num_channels = 2; 732 strcpy(md->label.name, AudioNvolume); 733 return 0; 734 case AICA_OUTPUT_CLASS: 735 md->type = AUDIO_MIXER_CLASS; 736 md->mixer_class = AICA_OUTPUT_CLASS; 737 md->next = md->prev = AUDIO_MIXER_LAST; 738 strcpy(md->label.name, AudioCoutputs); 739 return 0; 740 } 741 742 return ENXIO; 743 } 744 745 int 746 aica_get_props(void *addr) 747 { 748 749 return 0; 750 } 751
Indexes created Wed Sep 24 05:09:52 GMT 2025