awacs.c revision 1.47
1 /* $NetBSD: awacs.c,v 1.47 2019/05/08 13:40:15 isaki Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 Tsubai Masanari. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: awacs.c,v 1.47 2019/05/08 13:40:15 isaki Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/audioio.h> 34 #include <sys/device.h> 35 #include <sys/systm.h> 36 #include <sys/kthread.h> 37 #include <sys/kernel.h> 38 #include <sys/mutex.h> 39 #include <sys/condvar.h> 40 41 #include <dev/audio/audio_if.h> 42 43 #include <uvm/uvm_extern.h> 44 #include <machine/autoconf.h> 45 #include <machine/pio.h> 46 47 #include <dev/ofw/openfirm.h> 48 #include <macppc/dev/dbdma.h> 49 50 #include <dev/i2c/sgsmixvar.h> 51 #include "sgsmix.h" 52 #include "opt_awacs.h" 53 54 #ifdef AWACS_DEBUG 55 # define DPRINTF printf 56 #else 57 # define DPRINTF while (0) printf 58 #endif 59 60 struct awacs_softc { 61 device_t sc_dev; 62 bus_space_tag_t sc_tag; 63 bus_space_handle_t sc_regh; 64 bus_space_handle_t sc_idmah; 65 bus_space_handle_t sc_odmah; 66 void (*sc_ointr)(void *); /* DMA completion intr handler */ 67 void *sc_oarg; /* arg for sc_ointr() */ 68 int sc_opages; /* # of output pages */ 69 70 void (*sc_iintr)(void *); /* DMA completion intr handler */ 71 void *sc_iarg; /* arg for sc_iintr() */ 72 73 uint32_t sc_record_source; /* recording source mask */ 74 uint32_t sc_output_mask; /* output mask */ 75 uint32_t sc_headphones_mask; /* which reading of the gpio means */ 76 uint32_t sc_headphones_in; /* headphones are present */ 77 78 int sc_screamer; 79 int sc_have_perch; 80 int vol_l, vol_r; 81 int sc_bass, sc_treble; 82 lwp_t *sc_thread; 83 kcondvar_t sc_event; 84 int sc_output_wanted; 85 int sc_need_parallel_output; 86 #if NSGSMIX > 0 87 device_t sc_sgsmix; 88 #endif 89 90 u_int sc_codecctl0; 91 u_int sc_codecctl1; 92 u_int sc_codecctl2; 93 u_int sc_codecctl4; 94 u_int sc_codecctl5; 95 u_int sc_codecctl6; 96 u_int sc_codecctl7; 97 u_int sc_soundctl; 98 99 struct dbdma_regmap *sc_odma; 100 struct dbdma_regmap *sc_idma; 101 struct dbdma_command *sc_odmacmd; 102 struct dbdma_command *sc_idmacmd; 103 104 kmutex_t sc_lock; 105 kmutex_t sc_intr_lock; 106 }; 107 108 static int awacs_match(device_t, struct cfdata *, void *); 109 static void awacs_attach(device_t, device_t, void *); 110 static int awacs_intr(void *); 111 static int awacs_status_intr(void *); 112 113 static void awacs_close(void *); 114 static int awacs_query_format(void *, audio_format_query_t *); 115 static int awacs_set_format(void *, int, 116 const audio_params_t *, const audio_params_t *, 117 audio_filter_reg_t *, audio_filter_reg_t *); 118 119 static int awacs_round_blocksize(void *, int, int, const audio_params_t *); 120 static int awacs_trigger_output(void *, void *, void *, int, void (*)(void *), 121 void *, const audio_params_t *); 122 static int awacs_trigger_input(void *, void *, void *, int, void (*)(void *), 123 void *, const audio_params_t *); 124 static int awacs_halt_output(void *); 125 static int awacs_halt_input(void *); 126 static int awacs_getdev(void *, struct audio_device *); 127 static int awacs_set_port(void *, mixer_ctrl_t *); 128 static int awacs_get_port(void *, mixer_ctrl_t *); 129 static int awacs_query_devinfo(void *, mixer_devinfo_t *); 130 static size_t awacs_round_buffersize(void *, int, size_t); 131 static int awacs_get_props(void *); 132 static void awacs_get_locks(void *, kmutex_t **, kmutex_t **); 133 134 static inline u_int awacs_read_reg(struct awacs_softc *, int); 135 static inline void awacs_write_reg(struct awacs_softc *, int, int); 136 static void awacs_write_codec(struct awacs_softc *, int); 137 138 void awacs_set_volume(struct awacs_softc *, int, int); 139 static void awacs_set_speaker_volume(struct awacs_softc *, int, int); 140 static void awacs_set_ext_volume(struct awacs_softc *, int, int); 141 static void awacs_set_loopthrough_volume(struct awacs_softc *, int, int); 142 static int awacs_set_rate(struct awacs_softc *, const audio_params_t *); 143 static void awacs_select_output(struct awacs_softc *, int); 144 static int awacs_check_headphones(struct awacs_softc *); 145 static void awacs_thread(void *); 146 147 #if NSGSMIX > 0 148 static void awacs_set_bass(struct awacs_softc *, int); 149 static void awacs_set_treble(struct awacs_softc *, int); 150 #endif 151 static int awacs_setup_sgsmix(device_t); 152 153 CFATTACH_DECL_NEW(awacs, sizeof(struct awacs_softc), 154 awacs_match, awacs_attach, NULL, NULL); 155 156 const struct audio_hw_if awacs_hw_if = { 157 .close = awacs_close, 158 .query_format = awacs_query_format, 159 .set_format = awacs_set_format, 160 .round_blocksize = awacs_round_blocksize, 161 .halt_output = awacs_halt_output, 162 .halt_input = awacs_halt_input, 163 .getdev = awacs_getdev, 164 .set_port = awacs_set_port, 165 .get_port = awacs_get_port, 166 .query_devinfo = awacs_query_devinfo, 167 .round_buffersize = awacs_round_buffersize, 168 .get_props = awacs_get_props, 169 .trigger_output = awacs_trigger_output, 170 .trigger_input = awacs_trigger_input, 171 .get_locks = awacs_get_locks, 172 }; 173 174 struct audio_device awacs_device = { 175 "AWACS", 176 "", 177 "awacs" 178 }; 179 180 static const struct audio_format awacs_formats[] = { 181 { 182 .mode = AUMODE_PLAY | AUMODE_RECORD, 183 .encoding = AUDIO_ENCODING_SLINEAR_BE, 184 .validbits = 16, 185 .precision = 16, 186 .channels = 2, 187 .channel_mask = AUFMT_STEREO, 188 .frequency_type = 8, 189 .frequency = 190 { 7350, 8820, 11025, 14700, 17640, 22050, 29400, 44100 }, 191 } 192 }; 193 #define AWACS_NFORMATS __arraycount(awacs_formats) 194 195 /* register offset */ 196 #define AWACS_SOUND_CTRL 0x00 197 #define AWACS_CODEC_CTRL 0x10 198 #define AWACS_CODEC_STATUS 0x20 199 #define AWACS_CLIP_COUNT 0x30 200 #define AWACS_BYTE_SWAP 0x40 201 202 /* sound control */ 203 #define AWACS_INPUT_SUBFRAME0 0x00000001 204 #define AWACS_INPUT_SUBFRAME1 0x00000002 205 #define AWACS_INPUT_SUBFRAME2 0x00000004 206 #define AWACS_INPUT_SUBFRAME3 0x00000008 207 208 #define AWACS_OUTPUT_SUBFRAME0 0x00000010 209 #define AWACS_OUTPUT_SUBFRAME1 0x00000020 210 #define AWACS_OUTPUT_SUBFRAME2 0x00000040 211 #define AWACS_OUTPUT_SUBFRAME3 0x00000080 212 213 #define AWACS_RATE_44100 0x00000000 214 #define AWACS_RATE_29400 0x00000100 215 #define AWACS_RATE_22050 0x00000200 216 #define AWACS_RATE_17640 0x00000300 217 #define AWACS_RATE_14700 0x00000400 218 #define AWACS_RATE_11025 0x00000500 219 #define AWACS_RATE_8820 0x00000600 220 #define AWACS_RATE_7350 0x00000700 221 #define AWACS_RATE_MASK 0x00000700 222 223 #define AWACS_ERROR 0x00000800 224 #define AWACS_PORTCHG 0x00001000 225 #define AWACS_INTR_ERROR 0x00002000 /* interrupt on error */ 226 #define AWACS_INTR_PORTCHG 0x00004000 /* interrupt on port change */ 227 228 #define AWACS_STATUS_SUBFRAME 0x00018000 /* mask */ 229 230 /* codec control */ 231 #define AWACS_CODEC_ADDR0 0x00000000 232 #define AWACS_CODEC_ADDR1 0x00001000 233 #define AWACS_CODEC_ADDR2 0x00002000 234 #define AWACS_CODEC_ADDR4 0x00004000 235 #define AWACS_CODEC_ADDR5 0x00005000 236 #define AWACS_CODEC_ADDR6 0x00006000 237 #define AWACS_CODEC_ADDR7 0x00007000 238 #define AWACS_CODEC_EMSEL0 0x00000000 239 #define AWACS_CODEC_EMSEL1 0x00400000 240 #define AWACS_CODEC_EMSEL2 0x00800000 241 #define AWACS_CODEC_EMSEL4 0x00c00000 242 #define AWACS_CODEC_BUSY 0x01000000 243 244 /* cc0 */ 245 #define AWACS_DEFAULT_CD_GAIN 0x000000bb 246 #define AWACS_INPUT_CD 0x00000200 247 #define AWACS_INPUT_LINE 0x00000400 248 #define AWACS_INPUT_MICROPHONE 0x00000800 249 #define AWACS_INPUT_MASK 0x00000e00 250 251 /* cc1 */ 252 #define AWACS_LOOP_THROUGH 0x00000040 253 #define AWACS_MUTE_SPEAKER 0x00000080 254 #define AWACS_MUTE_HEADPHONE 0x00000200 255 #define AWACS_PARALLEL_OUTPUT 0x00000c00 256 257 /* output */ 258 #define OUTPUT_SPEAKER 1 259 #define OUTPUT_HEADPHONES 2 260 261 /* codec status */ 262 263 static const char *screamer[] = {"screamer", NULL}; 264 265 /* 266 * list machines that have the headphone detect GPIO reversed here. 267 * so far the only known case is the PowerBook 3400c and similar machines 268 */ 269 static const char *detect_reversed[] = {"AAPL,3400/2400", 270 "AAPL,3500", 271 NULL}; 272 273 static const char *use_gpio4[] = { "PowerMac3,1", 274 "PowerMac3,2", 275 "PowerMac3,3", 276 NULL}; 277 278 /* 279 * list of machines that do not require AWACS_PARALLEL_OUTPUT 280 */ 281 static const char *no_parallel_output[] = { "PowerBook3,1", 282 NULL}; 283 284 static int 285 awacs_match(device_t parent, struct cfdata *match, void *aux) 286 { 287 struct confargs *ca; 288 289 ca = aux; 290 291 if (strcmp(ca->ca_name, "awacs") == 0 || 292 strcmp(ca->ca_name, "davbus") == 0) 293 return 100; 294 295 if (ca->ca_nreg < 24 || ca->ca_nintr < 12) 296 return 0; 297 298 if (strcmp(ca->ca_name, "i2s") == 0) 299 return 1; 300 301 return 0; 302 } 303 304 static void 305 awacs_attach(device_t parent, device_t self, void *aux) 306 { 307 struct awacs_softc *sc; 308 struct confargs *ca = aux; 309 int cirq, oirq, iirq, cirq_type, oirq_type, iirq_type; 310 int len = -1, perch; 311 int root_node; 312 char compat[256]; 313 314 sc = device_private(self); 315 sc->sc_dev = self; 316 sc->sc_tag = ca->ca_tag; 317 318 if (bus_space_map(sc->sc_tag, ca->ca_baseaddr + ca->ca_reg[0], 319 ca->ca_reg[1], 0, &sc->sc_regh) != 0) 320 printf("couldn't map codec registers\n"); 321 if (bus_space_map(sc->sc_tag, ca->ca_baseaddr + ca->ca_reg[2], 322 ca->ca_reg[3], BUS_SPACE_MAP_LINEAR, &sc->sc_odmah) != 0) 323 printf("couldn't map DMA out registers\n"); 324 if (bus_space_map(sc->sc_tag, ca->ca_baseaddr + ca->ca_reg[4], 325 ca->ca_reg[5], BUS_SPACE_MAP_LINEAR, &sc->sc_idmah) != 0) 326 printf("couldn't map DMA in registers\n"); 327 328 sc->sc_odma = bus_space_vaddr(sc->sc_tag, sc->sc_odmah); 329 sc->sc_idma = bus_space_vaddr(sc->sc_tag, sc->sc_idmah); 330 sc->sc_odmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command), NULL); 331 sc->sc_idmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command), NULL); 332 333 if (strcmp(ca->ca_name, "i2s") == 0) { 334 int node, intr[6]; 335 336 node = OF_child(ca->ca_node); 337 if (node == 0) { 338 printf("no i2s-a child\n"); 339 return; 340 } 341 if (OF_getprop(node, "interrupts", intr, sizeof(intr)) == -1) { 342 printf("no interrupt property\n"); 343 return; 344 } 345 346 cirq = intr[0]; 347 oirq = intr[2]; 348 iirq = intr[4]; 349 cirq_type = intr[1] ? IST_LEVEL : IST_EDGE; 350 oirq_type = intr[3] ? IST_LEVEL : IST_EDGE; 351 iirq_type = intr[5] ? IST_LEVEL : IST_EDGE; 352 } else if (ca->ca_nintr == 24) { 353 cirq = ca->ca_intr[0]; 354 oirq = ca->ca_intr[2]; 355 iirq = ca->ca_intr[4]; 356 cirq_type = ca->ca_intr[1] ? IST_LEVEL : IST_EDGE; 357 oirq_type = ca->ca_intr[3] ? IST_LEVEL : IST_EDGE; 358 iirq_type = ca->ca_intr[5] ? IST_LEVEL : IST_EDGE; 359 } else { 360 cirq = ca->ca_intr[0]; 361 oirq = ca->ca_intr[1]; 362 iirq = ca->ca_intr[2]; 363 cirq_type = oirq_type = iirq_type = IST_EDGE; 364 } 365 366 intr_establish(cirq, cirq_type, IPL_BIO, awacs_status_intr, sc); 367 intr_establish(oirq, oirq_type, IPL_AUDIO, awacs_intr, sc); 368 intr_establish(iirq, iirq_type, IPL_AUDIO, awacs_intr, sc); 369 370 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE); 371 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO); 372 373 cv_init(&sc->sc_event, "awacs_wait"); 374 375 /* check if the chip is a screamer */ 376 sc->sc_screamer = (of_compatible(ca->ca_node, screamer) != -1); 377 if (!sc->sc_screamer) { 378 /* look for 'sound' child node */ 379 int sound_node; 380 381 sound_node = OF_child(ca->ca_node); 382 while ((sound_node != 0) && (!sc->sc_screamer)) { 383 384 sc->sc_screamer = 385 (of_compatible(sound_node, screamer) != -1); 386 sound_node = OF_peer(sound_node); 387 } 388 } 389 390 if (sc->sc_screamer) { 391 printf(" Screamer"); 392 } 393 394 printf(": irq %d,%d,%d\n", cirq, oirq, iirq); 395 396 sc->vol_l = 0; 397 sc->vol_r = 0; 398 399 sc->sc_soundctl = AWACS_INPUT_SUBFRAME0 | AWACS_OUTPUT_SUBFRAME0 | 400 AWACS_RATE_44100 | AWACS_INTR_PORTCHG; 401 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl); 402 403 sc->sc_codecctl0 = AWACS_CODEC_ADDR0 | AWACS_CODEC_EMSEL0; 404 sc->sc_codecctl1 = AWACS_CODEC_ADDR1 | AWACS_CODEC_EMSEL0; 405 sc->sc_codecctl2 = AWACS_CODEC_ADDR2 | AWACS_CODEC_EMSEL0; 406 sc->sc_codecctl4 = AWACS_CODEC_ADDR4 | AWACS_CODEC_EMSEL0; 407 sc->sc_codecctl5 = AWACS_CODEC_ADDR5 | AWACS_CODEC_EMSEL0; 408 sc->sc_codecctl6 = AWACS_CODEC_ADDR6 | AWACS_CODEC_EMSEL0; 409 sc->sc_codecctl7 = AWACS_CODEC_ADDR7 | AWACS_CODEC_EMSEL0; 410 411 sc->sc_codecctl0 |= AWACS_INPUT_CD | AWACS_DEFAULT_CD_GAIN; 412 awacs_write_codec(sc, sc->sc_codecctl0); 413 414 /* Set loopthrough for external mixer on beige G3 */ 415 sc->sc_codecctl1 |= AWACS_LOOP_THROUGH; 416 417 printf("%s: ", device_xname(sc->sc_dev)); 418 419 /* 420 * all(?) awacs have GPIOs to detect if there's something plugged into 421 * the headphone jack. The other GPIOs are either used for other jacks 422 * ( the PB3400c's microphone jack for instance ) or unused. 423 * The problem is that there are at least three different ways how 424 * those GPIOs are wired to the actual jacks. 425 * For now we bother only with headphone detection 426 */ 427 perch = OF_finddevice("/perch"); 428 root_node = OF_finddevice("/"); 429 if (of_compatible(root_node, detect_reversed) != -1) { 430 431 /* 0x02 is for the microphone jack, high active */ 432 /* 433 * for some reason the gpio for the headphones jack is low 434 * active on the PB3400 and similar machines 435 */ 436 sc->sc_headphones_mask = 0x8; 437 sc->sc_headphones_in = 0x0; 438 } else if ((perch != -1) || 439 (of_compatible(root_node, use_gpio4) != -1)) { 440 /* 441 * this is for the beige G3's 'personality card' which uses 442 * yet another wiring of the headphone detect GPIOs 443 * some G4s use it as well 444 */ 445 sc->sc_headphones_mask = 0x04; 446 sc->sc_headphones_in = 0x04; 447 } else { 448 /* while on most machines it's high active as well */ 449 sc->sc_headphones_mask = 0x8; 450 sc->sc_headphones_in = 0x8; 451 } 452 453 if (of_compatible(root_node, no_parallel_output) != -1) 454 sc->sc_need_parallel_output = 0; 455 else { 456 sc->sc_need_parallel_output = 1; 457 sc->sc_codecctl1 |= AWACS_PARALLEL_OUTPUT; 458 } 459 460 if (awacs_check_headphones(sc)) { 461 462 /* default output to headphones */ 463 printf("headphones\n"); 464 sc->sc_output_mask = OUTPUT_HEADPHONES; 465 } else { 466 467 /* default output to speakers */ 468 printf("speaker\n"); 469 sc->sc_output_mask = OUTPUT_SPEAKER; 470 } 471 sc->sc_output_wanted = sc->sc_output_mask; 472 awacs_select_output(sc, sc->sc_output_mask); 473 474 delay(100); 475 if (sc->sc_screamer) { 476 awacs_write_codec(sc, sc->sc_codecctl6); 477 awacs_write_codec(sc, sc->sc_codecctl5); 478 delay(2); 479 awacs_write_codec(sc, sc->sc_codecctl1); 480 awacs_write_codec(sc, sc->sc_codecctl7); 481 } 482 483 /* default input from CD */ 484 sc->sc_record_source = 1 << 0; 485 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK; 486 sc->sc_codecctl0 |= AWACS_INPUT_CD; 487 awacs_write_codec(sc, sc->sc_codecctl0); 488 489 /* Enable interrupts and looping mode. */ 490 /* XXX ... */ 491 492 sc->sc_codecctl1 |= AWACS_LOOP_THROUGH; 493 if (sc->sc_need_parallel_output) 494 sc->sc_codecctl1 |= AWACS_PARALLEL_OUTPUT; 495 awacs_write_codec(sc, sc->sc_codecctl1); 496 497 #if NSGSMIX > 0 498 sc->sc_sgsmix = NULL; 499 #endif 500 sc->sc_have_perch = 0; 501 if (perch != -1) { 502 503 len = OF_getprop(perch, "compatible", compat, 255); 504 if (len > 0) { 505 printf("%s: found '%s' personality card\n", 506 device_xname(sc->sc_dev), compat); 507 sc->sc_have_perch = 1; 508 config_finalize_register(sc->sc_dev, 509 awacs_setup_sgsmix); 510 } 511 } 512 513 /* Set initial volume[s] */ 514 awacs_set_volume(sc, 144, 144); 515 awacs_set_loopthrough_volume(sc, 0, 0); 516 517 audio_attach_mi(&awacs_hw_if, sc, sc->sc_dev); 518 519 if (kthread_create(PRI_NONE, 0, NULL, awacs_thread, sc, 520 &sc->sc_thread, "%s", "awacs") != 0) { 521 printf("awacs: unable to create event kthread"); 522 } 523 pmf_device_register(sc->sc_dev, NULL, NULL); 524 } 525 526 static int 527 awacs_setup_sgsmix(device_t cookie) 528 { 529 struct awacs_softc *sc = device_private(cookie); 530 #if NSGSMIX > 0 531 device_t dv; 532 deviter_t di; 533 #endif 534 535 if (!sc->sc_have_perch) 536 return 0; 537 #if NSGSMIX > 0 538 /* look for sgsmix */ 539 for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST); 540 dv != NULL; 541 dv = deviter_next(&di)) { 542 if (device_is_a(dv, "sgsmix")) { 543 sc->sc_sgsmix = dv; 544 break; 545 } 546 } 547 deviter_release(&di); 548 if (sc->sc_sgsmix == NULL) 549 return 0; 550 551 printf("%s: using %s\n", device_xname(sc->sc_dev), 552 device_xname(sc->sc_sgsmix)); 553 554 sc->sc_codecctl1 &= ~AWACS_MUTE_HEADPHONE; 555 awacs_write_codec(sc, sc->sc_codecctl1); 556 557 awacs_select_output(sc, sc->sc_output_mask); 558 awacs_set_volume(sc, sc->vol_l, sc->vol_r); 559 awacs_set_bass(sc, 128); 560 awacs_set_treble(sc, 128); 561 cv_signal(&sc->sc_event); 562 #endif 563 return 0; 564 } 565 566 567 static inline u_int 568 awacs_read_reg(struct awacs_softc *sc, int reg) 569 { 570 571 return bus_space_read_4(sc->sc_tag, sc->sc_regh, reg); 572 } 573 574 static inline void 575 awacs_write_reg(struct awacs_softc *sc, int reg, int val) 576 { 577 578 bus_space_write_4(sc->sc_tag, sc->sc_regh, reg, val); 579 } 580 581 static void 582 awacs_write_codec(struct awacs_softc *sc, int value) 583 { 584 585 do { 586 delay(100); 587 } while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY); 588 589 awacs_write_reg(sc, AWACS_CODEC_CTRL, value); 590 591 do { 592 delay(100); 593 } while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY); 594 } 595 596 static int 597 awacs_intr(void *v) 598 { 599 struct awacs_softc *sc; 600 struct dbdma_command *cmd; 601 int count; 602 int status; 603 604 sc = v; 605 mutex_spin_enter(&sc->sc_intr_lock); 606 cmd = sc->sc_odmacmd; 607 count = sc->sc_opages; 608 /* Fill used buffer(s). */ 609 while (count-- > 0) { 610 /* if DBDMA_INT_ALWAYS */ 611 if (in16rb(&cmd->d_command) & 0x30) { /* XXX */ 612 status = in16rb(&cmd->d_status); 613 cmd->d_status = 0; 614 if (status) /* status == 0x8400 */ 615 if (sc->sc_ointr) 616 (*sc->sc_ointr)(sc->sc_oarg); 617 } 618 cmd++; 619 } 620 mutex_spin_exit(&sc->sc_intr_lock); 621 622 return 1; 623 } 624 625 /* 626 * Close function is called at splaudio(). 627 */ 628 static void 629 awacs_close(void *h) 630 { 631 struct awacs_softc *sc; 632 633 sc = h; 634 awacs_halt_output(sc); 635 awacs_halt_input(sc); 636 637 sc->sc_ointr = 0; 638 sc->sc_iintr = 0; 639 } 640 641 static int 642 awacs_query_format(void *h, audio_format_query_t *afp) 643 { 644 645 return audio_query_format(awacs_formats, AWACS_NFORMATS, afp); 646 } 647 648 static int 649 awacs_set_format(void *h, int setmode, 650 const audio_params_t *play, const audio_params_t *rec, 651 audio_filter_reg_t *pfil, audio_filter_reg_t *rfil) 652 { 653 struct awacs_softc *sc; 654 655 sc = h; 656 657 /* *play and *rec are the identical because !AUDIO_PROP_INDEPENDENT. */ 658 659 awacs_write_reg(sc, AWACS_BYTE_SWAP, 0); 660 661 if (awacs_set_rate(sc, play)) 662 return EINVAL; 663 return 0; 664 } 665 666 static int 667 awacs_round_blocksize(void *h, int size, int mode, const audio_params_t *param) 668 { 669 670 if (size < PAGE_SIZE) 671 size = PAGE_SIZE; 672 return size & ~PGOFSET; 673 } 674 675 static int 676 awacs_halt_output(void *h) 677 { 678 struct awacs_softc *sc; 679 680 sc = h; 681 dbdma_stop(sc->sc_odma); 682 dbdma_reset(sc->sc_odma); 683 return 0; 684 } 685 686 static int 687 awacs_halt_input(void *h) 688 { 689 struct awacs_softc *sc; 690 691 sc = h; 692 dbdma_stop(sc->sc_idma); 693 dbdma_reset(sc->sc_idma); 694 return 0; 695 } 696 697 static int 698 awacs_getdev(void *h, struct audio_device *retp) 699 { 700 701 *retp = awacs_device; 702 return 0; 703 } 704 705 enum { 706 AWACS_MONITOR_CLASS, 707 AWACS_OUTPUT_CLASS, 708 AWACS_RECORD_CLASS, 709 AWACS_OUTPUT_SELECT, 710 AWACS_VOL_MASTER, 711 AWACS_INPUT_SELECT, 712 AWACS_VOL_INPUT, 713 AWACS_VOL_MONITOR, 714 AWACS_BASS, 715 AWACS_TREBLE, 716 AWACS_ENUM_LAST 717 }; 718 719 static int 720 awacs_set_port(void *h, mixer_ctrl_t *mc) 721 { 722 struct awacs_softc *sc; 723 int l, r; 724 725 DPRINTF("awacs_set_port dev = %d, type = %d\n", mc->dev, mc->type); 726 sc = h; 727 l = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT]; 728 r = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]; 729 730 switch (mc->dev) { 731 case AWACS_OUTPUT_SELECT: 732 /* No change necessary? */ 733 if (mc->un.mask == sc->sc_output_mask) 734 return 0; 735 awacs_select_output(sc, mc->un.mask); 736 return 0; 737 738 case AWACS_VOL_MASTER: 739 awacs_set_volume(sc, l, r); 740 return 0; 741 742 case AWACS_INPUT_SELECT: 743 /* no change necessary? */ 744 if (mc->un.mask == sc->sc_record_source) 745 return 0; 746 switch (mc->un.mask) { 747 case 1 << 0: /* CD */ 748 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK; 749 sc->sc_codecctl0 |= AWACS_INPUT_CD; 750 awacs_write_codec(sc, sc->sc_codecctl0); 751 break; 752 case 1 << 1: /* microphone */ 753 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK; 754 sc->sc_codecctl0 |= AWACS_INPUT_MICROPHONE; 755 awacs_write_codec(sc, sc->sc_codecctl0); 756 break; 757 case 1 << 2: /* line in */ 758 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK; 759 sc->sc_codecctl0 |= AWACS_INPUT_LINE; 760 awacs_write_codec(sc, sc->sc_codecctl0); 761 break; 762 default: /* invalid argument */ 763 return EINVAL; 764 } 765 sc->sc_record_source = mc->un.mask; 766 return 0; 767 768 case AWACS_VOL_INPUT: 769 sc->sc_codecctl0 &= ~0xff; 770 sc->sc_codecctl0 |= (l & 0xf0) | (r >> 4); 771 awacs_write_codec(sc, sc->sc_codecctl0); 772 return 0; 773 774 case AWACS_VOL_MONITOR: 775 awacs_set_loopthrough_volume(sc, l, r); 776 return 0; 777 778 #if NSGSMIX > 0 779 case AWACS_BASS: 780 awacs_set_bass(sc, l); 781 return 0; 782 783 case AWACS_TREBLE: 784 awacs_set_treble(sc, l); 785 return 0; 786 #endif 787 } 788 789 return ENXIO; 790 } 791 792 static int 793 awacs_get_port(void *h, mixer_ctrl_t *mc) 794 { 795 struct awacs_softc *sc; 796 int l, r, vol; 797 798 sc = h; 799 switch (mc->dev) { 800 case AWACS_OUTPUT_SELECT: 801 mc->un.mask = sc->sc_output_mask; 802 return 0; 803 804 case AWACS_VOL_MASTER: 805 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->vol_l; 806 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->vol_r; 807 return 0; 808 809 case AWACS_INPUT_SELECT: 810 mc->un.mask = sc->sc_record_source; 811 return 0; 812 813 case AWACS_VOL_INPUT: 814 vol = sc->sc_codecctl0 & 0xff; 815 l = (vol & 0xf0); 816 r = (vol & 0x0f) << 4; 817 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l; 818 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r; 819 return 0; 820 821 case AWACS_VOL_MONITOR: 822 vol = sc->sc_codecctl5 & 0x3cf; 823 l = (vol & 0x3c0) >> 6; 824 r = vol & 0xf; 825 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = (15 - l) << 4; 826 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = (15 - r) << 4; 827 return 0; 828 829 #if NSGSMIX > 0 830 case AWACS_BASS: 831 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_bass; 832 return 0; 833 834 case AWACS_TREBLE: 835 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_treble; 836 return 0; 837 #endif 838 839 default: 840 return ENXIO; 841 } 842 843 return 0; 844 } 845 846 static int 847 awacs_query_devinfo(void *h, mixer_devinfo_t *dip) 848 { 849 #if NSGSMIX > 0 850 struct awacs_softc *sc = h; 851 #endif 852 853 switch (dip->index) { 854 855 case AWACS_OUTPUT_SELECT: 856 dip->mixer_class = AWACS_OUTPUT_CLASS; 857 strcpy(dip->label.name, AudioNoutput); 858 dip->type = AUDIO_MIXER_SET; 859 dip->prev = dip->next = AUDIO_MIXER_LAST; 860 dip->un.s.num_mem = 2; 861 strcpy(dip->un.s.member[0].label.name, AudioNspeaker); 862 dip->un.s.member[0].mask = 1 << 0; 863 strcpy(dip->un.s.member[1].label.name, AudioNheadphone); 864 dip->un.s.member[1].mask = 1 << 1; 865 return 0; 866 867 case AWACS_VOL_MASTER: 868 dip->mixer_class = AWACS_OUTPUT_CLASS; 869 strcpy(dip->label.name, AudioNmaster); 870 dip->type = AUDIO_MIXER_VALUE; 871 dip->prev = dip->next = AUDIO_MIXER_LAST; 872 dip->un.v.num_channels = 2; 873 dip->un.v.delta = 16; 874 strcpy(dip->un.v.units.name, AudioNvolume); 875 return 0; 876 877 case AWACS_VOL_MONITOR: 878 dip->mixer_class = AWACS_MONITOR_CLASS; 879 strcpy(dip->label.name, AudioNmonitor); 880 dip->type = AUDIO_MIXER_VALUE; 881 dip->prev = dip->next = AUDIO_MIXER_LAST; 882 dip->un.v.num_channels = 2; 883 strcpy(dip->un.v.units.name, AudioNvolume); 884 return 0; 885 886 #if NSGSMIX > 0 887 case AWACS_BASS: 888 if (sc->sc_sgsmix == NULL) 889 return ENXIO; 890 dip->mixer_class = AWACS_OUTPUT_CLASS; 891 strcpy(dip->label.name, AudioNbass); 892 dip->type = AUDIO_MIXER_VALUE; 893 dip->prev = dip->next = AUDIO_MIXER_LAST; 894 dip->un.v.num_channels = 1; 895 strcpy(dip->un.v.units.name, AudioNbass); 896 return 0; 897 898 case AWACS_TREBLE: 899 if (sc->sc_sgsmix == NULL) 900 return ENXIO; 901 dip->mixer_class = AWACS_OUTPUT_CLASS; 902 strcpy(dip->label.name, AudioNtreble); 903 dip->type = AUDIO_MIXER_VALUE; 904 dip->prev = dip->next = AUDIO_MIXER_LAST; 905 dip->un.v.num_channels = 1; 906 strcpy(dip->un.v.units.name, AudioNtreble); 907 return 0; 908 #endif 909 910 case AWACS_INPUT_SELECT: 911 dip->mixer_class = AWACS_RECORD_CLASS; 912 strcpy(dip->label.name, AudioNsource); 913 dip->type = AUDIO_MIXER_SET; 914 dip->prev = dip->next = AUDIO_MIXER_LAST; 915 dip->un.s.num_mem = 3; 916 strcpy(dip->un.s.member[0].label.name, AudioNcd); 917 dip->un.s.member[0].mask = 1 << 0; 918 strcpy(dip->un.s.member[1].label.name, AudioNmicrophone); 919 dip->un.s.member[1].mask = 1 << 1; 920 strcpy(dip->un.s.member[2].label.name, AudioNline); 921 dip->un.s.member[2].mask = 1 << 2; 922 return 0; 923 924 case AWACS_VOL_INPUT: 925 dip->mixer_class = AWACS_RECORD_CLASS; 926 strcpy(dip->label.name, AudioNrecord); 927 dip->type = AUDIO_MIXER_VALUE; 928 dip->prev = dip->next = AUDIO_MIXER_LAST; 929 dip->un.v.num_channels = 2; 930 strcpy(dip->un.v.units.name, AudioNvolume); 931 return 0; 932 933 case AWACS_MONITOR_CLASS: 934 dip->mixer_class = AWACS_MONITOR_CLASS; 935 strcpy(dip->label.name, AudioCmonitor); 936 dip->type = AUDIO_MIXER_CLASS; 937 dip->next = dip->prev = AUDIO_MIXER_LAST; 938 return 0; 939 940 case AWACS_OUTPUT_CLASS: 941 dip->mixer_class = AWACS_OUTPUT_CLASS; 942 strcpy(dip->label.name, AudioCoutputs); 943 dip->type = AUDIO_MIXER_CLASS; 944 dip->next = dip->prev = AUDIO_MIXER_LAST; 945 return 0; 946 947 case AWACS_RECORD_CLASS: 948 dip->mixer_class = AWACS_RECORD_CLASS; 949 strcpy(dip->label.name, AudioCrecord); 950 dip->type = AUDIO_MIXER_CLASS; 951 dip->next = dip->prev = AUDIO_MIXER_LAST; 952 return 0; 953 } 954 955 return ENXIO; 956 } 957 958 static size_t 959 awacs_round_buffersize(void *h, int dir, size_t size) 960 { 961 962 if (size > 65536) 963 size = 65536; 964 return size; 965 } 966 967 static int 968 awacs_get_props(void *h) 969 { 970 return AUDIO_PROP_FULLDUPLEX /* | AUDIO_PROP_MMAP */; 971 } 972 973 static int 974 awacs_trigger_output(void *h, void *start, void *end, int bsize, 975 void (*intr)(void *), void *arg, 976 const audio_params_t *param) 977 { 978 struct awacs_softc *sc; 979 struct dbdma_command *cmd; 980 vaddr_t va; 981 int i, len, intmode; 982 983 DPRINTF("trigger_output %p %p 0x%x\n", start, end, bsize); 984 sc = h; 985 cmd = sc->sc_odmacmd; 986 sc->sc_ointr = intr; 987 sc->sc_oarg = arg; 988 sc->sc_opages = ((char *)end - (char *)start) / PAGE_SIZE; 989 990 #ifdef DIAGNOSTIC 991 if (sc->sc_opages > 16) 992 panic("awacs_trigger_output"); 993 #endif 994 995 va = (vaddr_t)start; 996 len = 0; 997 for (i = sc->sc_opages; i > 0; i--) { 998 len += PAGE_SIZE; 999 if (len < bsize) 1000 intmode = DBDMA_INT_NEVER; 1001 else { 1002 len = 0; 1003 intmode = DBDMA_INT_ALWAYS; 1004 } 1005 1006 DBDMA_BUILD(cmd, DBDMA_CMD_OUT_MORE, 0, PAGE_SIZE, vtophys(va), 1007 intmode, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER); 1008 va += PAGE_SIZE; 1009 cmd++; 1010 } 1011 1012 DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0, 0, 1013 DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_ALWAYS); 1014 out32rb(&cmd->d_cmddep, vtophys((vaddr_t)sc->sc_odmacmd)); 1015 1016 dbdma_start(sc->sc_odma, sc->sc_odmacmd); 1017 1018 return 0; 1019 } 1020 1021 static int 1022 awacs_trigger_input(void *h, void *start, void *end, int bsize, 1023 void (*intr)(void *), void *arg, 1024 const audio_params_t *param) 1025 { 1026 1027 DPRINTF("awacs_trigger_input called\n"); 1028 return 1; 1029 } 1030 1031 static void 1032 awacs_get_locks(void *opaque, kmutex_t **intr, kmutex_t **thread) 1033 { 1034 struct awacs_softc *sc = opaque; 1035 1036 *intr = &sc->sc_intr_lock; 1037 *thread = &sc->sc_lock; 1038 } 1039 1040 static void 1041 awacs_select_output(struct awacs_softc *sc, int mask) 1042 { 1043 1044 #if NSGSMIX > 0 1045 if (sc->sc_sgsmix) { 1046 if (mask & OUTPUT_HEADPHONES) { 1047 /* mute speakers */ 1048 sgsmix_set_speaker_vol(sc->sc_sgsmix, 0, 0); 1049 sgsmix_set_headphone_vol(sc->sc_sgsmix, 1050 sc->vol_l, sc->vol_r); 1051 } 1052 if (mask & OUTPUT_SPEAKER) { 1053 /* mute headphones */ 1054 sgsmix_set_speaker_vol(sc->sc_sgsmix, 1055 sc->vol_l, sc->vol_r); 1056 sgsmix_set_headphone_vol(sc->sc_sgsmix, 0, 0); 1057 } 1058 } else { 1059 #endif 1060 sc->sc_codecctl1 |= AWACS_MUTE_SPEAKER | AWACS_MUTE_HEADPHONE; 1061 if ((sc->vol_l > 0) || (sc->vol_r > 0)) { 1062 if (mask & OUTPUT_SPEAKER) 1063 sc->sc_codecctl1 &= ~AWACS_MUTE_SPEAKER; 1064 if (mask & OUTPUT_HEADPHONES) 1065 sc->sc_codecctl1 &= ~AWACS_MUTE_HEADPHONE; 1066 } 1067 awacs_write_codec(sc, sc->sc_codecctl1); 1068 #if NSGSMIX > 0 1069 } 1070 #endif 1071 sc->sc_output_mask = mask; 1072 } 1073 1074 static void 1075 awacs_set_speaker_volume(struct awacs_softc *sc, int left, int right) 1076 { 1077 1078 #if NSGSMIX > 0 1079 if (sc->sc_sgsmix) { 1080 if (sc->sc_output_mask & OUTPUT_SPEAKER) 1081 sgsmix_set_speaker_vol(sc->sc_sgsmix, left, right); 1082 } else 1083 #endif 1084 { 1085 int lval; 1086 int rval; 1087 uint32_t codecctl = sc->sc_codecctl1; 1088 1089 lval = 15 - ((left & 0xf0) >> 4); 1090 rval = 15 - ((right & 0xf0) >> 4); 1091 DPRINTF("speaker_volume %d %d\n", lval, rval); 1092 1093 sc->sc_codecctl4 &= ~0x3cf; 1094 sc->sc_codecctl4 |= (lval << 6) | rval; 1095 awacs_write_codec(sc, sc->sc_codecctl4); 1096 if ((left == 0) && (right == 0)) { 1097 /* 1098 * max. attenuation doesn't mean silence so we need to 1099 * mute the output channel here 1100 */ 1101 codecctl |= AWACS_MUTE_SPEAKER; 1102 } else if (sc->sc_output_mask & OUTPUT_SPEAKER) { 1103 codecctl &= ~AWACS_MUTE_SPEAKER; 1104 } 1105 1106 if (codecctl != sc->sc_codecctl1) { 1107 1108 sc->sc_codecctl1 = codecctl; 1109 awacs_write_codec(sc, sc->sc_codecctl1); 1110 } 1111 } 1112 } 1113 1114 static void 1115 awacs_set_ext_volume(struct awacs_softc *sc, int left, int right) 1116 { 1117 1118 #if NSGSMIX > 0 1119 if (sc->sc_sgsmix) { 1120 if (sc->sc_output_mask & OUTPUT_HEADPHONES) 1121 sgsmix_set_headphone_vol(sc->sc_sgsmix, left, right); 1122 } else 1123 #endif 1124 { 1125 int lval; 1126 int rval; 1127 uint32_t codecctl = sc->sc_codecctl1; 1128 1129 lval = 15 - ((left & 0xf0) >> 4); 1130 rval = 15 - ((right & 0xf0) >> 4); 1131 DPRINTF("ext_volume %d %d\n", lval, rval); 1132 1133 sc->sc_codecctl2 &= ~0x3cf; 1134 sc->sc_codecctl2 |= (lval << 6) | rval; 1135 awacs_write_codec(sc, sc->sc_codecctl2); 1136 1137 if ((left == 0) && (right == 0)) { 1138 /* 1139 * max. attenuation doesn't mean silence so we need to 1140 * mute the output channel here 1141 */ 1142 codecctl |= AWACS_MUTE_HEADPHONE; 1143 } else if (sc->sc_output_mask & OUTPUT_HEADPHONES) { 1144 1145 codecctl &= ~AWACS_MUTE_HEADPHONE; 1146 } 1147 1148 if (codecctl != sc->sc_codecctl1) { 1149 1150 sc->sc_codecctl1 = codecctl; 1151 awacs_write_codec(sc, sc->sc_codecctl1); 1152 } 1153 } 1154 } 1155 1156 void 1157 awacs_set_volume(struct awacs_softc *sc, int left, int right) 1158 { 1159 1160 awacs_set_ext_volume(sc, left, right); 1161 awacs_set_speaker_volume(sc, left, right); 1162 1163 sc->vol_l = left; 1164 sc->vol_r = right; 1165 } 1166 1167 #if NSGSMIX > 0 1168 static void 1169 awacs_set_bass(struct awacs_softc *sc, int bass) 1170 { 1171 1172 if (sc->sc_bass == bass) 1173 return; 1174 1175 sc->sc_bass = bass; 1176 if (sc->sc_sgsmix) 1177 sgsmix_set_bass_treble(sc->sc_sgsmix, sc->sc_bass, 1178 sc->sc_treble); 1179 } 1180 1181 static void 1182 awacs_set_treble(struct awacs_softc *sc, int treble) 1183 { 1184 1185 if (sc->sc_treble == treble) 1186 return; 1187 1188 sc->sc_treble = treble; 1189 if (sc->sc_sgsmix) 1190 sgsmix_set_bass_treble(sc->sc_sgsmix, sc->sc_bass, 1191 sc->sc_treble); 1192 } 1193 #endif 1194 1195 void 1196 awacs_set_loopthrough_volume(struct awacs_softc *sc, int left, int right) 1197 { 1198 int lval; 1199 int rval; 1200 1201 lval = 15 - ((left & 0xff) >> 4); 1202 rval = 15 - ((right & 0xff) >> 4); 1203 DPRINTF("loopthrough_volume %d %d\n", lval, rval); 1204 1205 sc->sc_codecctl5 &= ~0x3cf; 1206 sc->sc_codecctl5 |= (lval << 6) | rval; 1207 awacs_write_codec(sc, sc->sc_codecctl5); 1208 } 1209 1210 int 1211 awacs_set_rate(struct awacs_softc *sc, const audio_params_t *p) 1212 { 1213 int c; 1214 1215 switch (p->sample_rate) { 1216 case 44100: 1217 c = AWACS_RATE_44100; 1218 break; 1219 case 29400: 1220 c = AWACS_RATE_29400; 1221 break; 1222 case 22050: 1223 c = AWACS_RATE_22050; 1224 break; 1225 case 17640: 1226 c = AWACS_RATE_17640; 1227 break; 1228 case 14700: 1229 c = AWACS_RATE_14700; 1230 break; 1231 case 11025: 1232 c = AWACS_RATE_11025; 1233 break; 1234 case 8820: 1235 c = AWACS_RATE_8820; 1236 break; 1237 case 7350: 1238 c = AWACS_RATE_7350; 1239 break; 1240 default: 1241 return -1; 1242 } 1243 1244 sc->sc_soundctl &= ~AWACS_RATE_MASK; 1245 sc->sc_soundctl |= c; 1246 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl); 1247 1248 return 0; 1249 } 1250 1251 static int 1252 awacs_check_headphones(struct awacs_softc *sc) 1253 { 1254 uint32_t reg; 1255 reg = awacs_read_reg(sc, AWACS_CODEC_STATUS); 1256 DPRINTF("%s: codec status reg %08x\n", device_xname(sc->sc_dev), reg); 1257 return ((reg & sc->sc_headphones_mask) == sc->sc_headphones_in); 1258 } 1259 1260 static int 1261 awacs_status_intr(void *cookie) 1262 { 1263 struct awacs_softc *sc = cookie; 1264 int mask; 1265 1266 mutex_spin_enter(&sc->sc_intr_lock); 1267 mask = awacs_check_headphones(sc) ? OUTPUT_HEADPHONES : OUTPUT_SPEAKER; 1268 if (mask != sc->sc_output_mask) { 1269 1270 sc->sc_output_wanted = mask; 1271 cv_signal(&sc->sc_event); 1272 } 1273 /* clear the interrupt */ 1274 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl | AWACS_PORTCHG); 1275 mutex_spin_exit(&sc->sc_intr_lock); 1276 return 1; 1277 } 1278 1279 static void 1280 awacs_thread(void *cookie) 1281 { 1282 struct awacs_softc *sc = cookie; 1283 1284 mutex_enter(&sc->sc_intr_lock); 1285 while (1) { 1286 cv_timedwait(&sc->sc_event, &sc->sc_intr_lock, hz); 1287 if (sc->sc_output_wanted == sc->sc_output_mask) 1288 continue; 1289 1290 awacs_select_output(sc, sc->sc_output_wanted); 1291 DPRINTF("%s: switching to %s\n", device_xname(sc->sc_dev), 1292 (sc->sc_output_wanted & OUTPUT_SPEAKER) ? 1293 "speaker" : "headphones"); 1294 } 1295 } 1296
Indexes created Wed Oct 22 06:10:02 GMT 2025