1 /* $NetBSD: awacs.c,v 1.52 2023/08/30 08:38:51 macallan 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 1.52 2023/08/30 08:38:51 macallan 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_event_lock; 106 kmutex_t sc_intr_lock; 107 }; 108 109 static int awacs_match(device_t, struct cfdata *, void *); 110 static void awacs_attach(device_t, device_t, void *); 111 static int awacs_intr(void *); 112 static int awacs_status_intr(void *); 113 114 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 .query_format = awacs_query_format, 158 .set_format = awacs_set_format, 159 .round_blocksize = awacs_round_blocksize, 160 .halt_output = awacs_halt_output, 161 .halt_input = awacs_halt_input, 162 .getdev = awacs_getdev, 163 .set_port = awacs_set_port, 164 .get_port = awacs_get_port, 165 .query_devinfo = awacs_query_devinfo, 166 .round_buffersize = awacs_round_buffersize, 167 .get_props = awacs_get_props, 168 .trigger_output = awacs_trigger_output, 169 .trigger_input = awacs_trigger_input, 170 .get_locks = awacs_get_locks, 171 }; 172 173 struct audio_device awacs_device = { 174 "AWACS", 175 "", 176 "awacs" 177 }; 178 179 static const struct audio_format awacs_formats[] = { 180 { 181 .mode = AUMODE_PLAY | AUMODE_RECORD, 182 .encoding = AUDIO_ENCODING_SLINEAR_BE, 183 .validbits = 16, 184 .precision = 16, 185 .channels = 2, 186 .channel_mask = AUFMT_STEREO, 187 .frequency_type = 8, 188 .frequency = 189 { 7350, 8820, 11025, 14700, 17640, 22050, 29400, 44100 }, 190 } 191 }; 192 #define AWACS_NFORMATS __arraycount(awacs_formats) 193 194 /* register offset */ 195 #define AWACS_SOUND_CTRL 0x00 196 #define AWACS_CODEC_CTRL 0x10 197 #define AWACS_CODEC_STATUS 0x20 198 #define AWACS_CLIP_COUNT 0x30 199 #define AWACS_BYTE_SWAP 0x40 200 201 /* sound control */ 202 #define AWACS_INPUT_SUBFRAME0 0x00000001 203 #define AWACS_INPUT_SUBFRAME1 0x00000002 204 #define AWACS_INPUT_SUBFRAME2 0x00000004 205 #define AWACS_INPUT_SUBFRAME3 0x00000008 206 207 #define AWACS_OUTPUT_SUBFRAME0 0x00000010 208 #define AWACS_OUTPUT_SUBFRAME1 0x00000020 209 #define AWACS_OUTPUT_SUBFRAME2 0x00000040 210 #define AWACS_OUTPUT_SUBFRAME3 0x00000080 211 212 #define AWACS_RATE_44100 0x00000000 213 #define AWACS_RATE_29400 0x00000100 214 #define AWACS_RATE_22050 0x00000200 215 #define AWACS_RATE_17640 0x00000300 216 #define AWACS_RATE_14700 0x00000400 217 #define AWACS_RATE_11025 0x00000500 218 #define AWACS_RATE_8820 0x00000600 219 #define AWACS_RATE_7350 0x00000700 220 #define AWACS_RATE_MASK 0x00000700 221 222 #define AWACS_ERROR 0x00000800 223 #define AWACS_PORTCHG 0x00001000 224 #define AWACS_INTR_ERROR 0x00002000 /* interrupt on error */ 225 #define AWACS_INTR_PORTCHG 0x00004000 /* interrupt on port change */ 226 227 #define AWACS_STATUS_SUBFRAME 0x00018000 /* mask */ 228 229 /* codec control */ 230 #define AWACS_CODEC_ADDR0 0x00000000 231 #define AWACS_CODEC_ADDR1 0x00001000 232 #define AWACS_CODEC_ADDR2 0x00002000 233 #define AWACS_CODEC_ADDR4 0x00004000 234 #define AWACS_CODEC_ADDR5 0x00005000 235 #define AWACS_CODEC_ADDR6 0x00006000 236 #define AWACS_CODEC_ADDR7 0x00007000 237 #define AWACS_CODEC_EMSEL0 0x00000000 238 #define AWACS_CODEC_EMSEL1 0x00400000 239 #define AWACS_CODEC_EMSEL2 0x00800000 240 #define AWACS_CODEC_EMSEL4 0x00c00000 241 #define AWACS_CODEC_BUSY 0x01000000 242 243 /* cc0 */ 244 #define AWACS_DEFAULT_CD_GAIN 0x000000bb 245 #define AWACS_INPUT_CD 0x00000200 246 #define AWACS_INPUT_LINE 0x00000400 247 #define AWACS_INPUT_MICROPHONE 0x00000800 248 #define AWACS_INPUT_MASK 0x00000e00 249 250 /* cc1 */ 251 #define AWACS_LOOP_THROUGH 0x00000040 252 #define AWACS_MUTE_SPEAKER 0x00000080 253 #define AWACS_MUTE_HEADPHONE 0x00000200 254 #define AWACS_PARALLEL_OUTPUT 0x00000c00 255 256 /* output */ 257 #define OUTPUT_SPEAKER 1 258 #define OUTPUT_HEADPHONES 2 259 260 /* codec status */ 261 262 static const char *screamer[] = {"screamer", NULL}; 263 264 /* 265 * list machines that have the headphone detect GPIO reversed here. 266 * so far the only known case is the PowerBook 3400c and similar machines 267 */ 268 static const char *detect_reversed[] = {"AAPL,3400/2400", 269 "AAPL,3500", 270 NULL}; 271 272 static const char *use_gpio4[] = { "PowerMac3,1", 273 "PowerMac3,2", 274 "PowerMac3,3", 275 NULL}; 276 277 /* 278 * list of machines that do not require AWACS_PARALLEL_OUTPUT 279 */ 280 static const char *no_parallel_output[] = { "PowerBook3,1", 281 NULL}; 282 283 static int 284 awacs_match(device_t parent, struct cfdata *match, void *aux) 285 { 286 struct confargs *ca; 287 288 ca = aux; 289 290 if (strcmp(ca->ca_name, "awacs") == 0 || 291 strcmp(ca->ca_name, "davbus") == 0) 292 return 100; 293 294 if (ca->ca_nreg < 24 || ca->ca_nintr < 12) 295 return 0; 296 297 if (strcmp(ca->ca_name, "i2s") == 0) 298 return 1; 299 300 return 0; 301 } 302 303 static void 304 awacs_attach(device_t parent, device_t self, void *aux) 305 { 306 struct awacs_softc *sc; 307 struct confargs *ca = aux; 308 int cirq, oirq, iirq, cirq_type, oirq_type, iirq_type; 309 int len = -1, perch; 310 int root_node; 311 char compat[256], intr_xname[INTRDEVNAMEBUF]; 312 313 sc = device_private(self); 314 sc->sc_dev = self; 315 sc->sc_tag = ca->ca_tag; 316 317 if (bus_space_map(sc->sc_tag, ca->ca_baseaddr + ca->ca_reg[0], 318 ca->ca_reg[1], 0, &sc->sc_regh) != 0) 319 printf("couldn't map codec registers\n"); 320 if (bus_space_map(sc->sc_tag, ca->ca_baseaddr + ca->ca_reg[2], 321 ca->ca_reg[3], BUS_SPACE_MAP_LINEAR, &sc->sc_odmah) != 0) 322 printf("couldn't map DMA out registers\n"); 323 if (bus_space_map(sc->sc_tag, ca->ca_baseaddr + ca->ca_reg[4], 324 ca->ca_reg[5], BUS_SPACE_MAP_LINEAR, &sc->sc_idmah) != 0) 325 printf("couldn't map DMA in registers\n"); 326 327 sc->sc_odma = bus_space_vaddr(sc->sc_tag, sc->sc_odmah); 328 sc->sc_idma = bus_space_vaddr(sc->sc_tag, sc->sc_idmah); 329 sc->sc_odmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command), NULL); 330 sc->sc_idmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command), NULL); 331 332 if (strcmp(ca->ca_name, "i2s") == 0) { 333 int node, intr[6]; 334 335 node = OF_child(ca->ca_node); 336 if (node == 0) { 337 printf("no i2s-a child\n"); 338 return; 339 } 340 if (OF_getprop(node, "interrupts", intr, sizeof(intr)) == -1) { 341 printf("no interrupt property\n"); 342 return; 343 } 344 345 cirq = intr[0]; 346 oirq = intr[2]; 347 iirq = intr[4]; 348 cirq_type = intr[1] ? IST_LEVEL : IST_EDGE; 349 oirq_type = intr[3] ? IST_LEVEL : IST_EDGE; 350 iirq_type = intr[5] ? IST_LEVEL : IST_EDGE; 351 } else if (ca->ca_nintr == 24) { 352 cirq = ca->ca_intr[0]; 353 oirq = ca->ca_intr[2]; 354 iirq = ca->ca_intr[4]; 355 cirq_type = ca->ca_intr[1] ? IST_LEVEL : IST_EDGE; 356 oirq_type = ca->ca_intr[3] ? IST_LEVEL : IST_EDGE; 357 iirq_type = ca->ca_intr[5] ? IST_LEVEL : IST_EDGE; 358 } else { 359 cirq = ca->ca_intr[0]; 360 oirq = ca->ca_intr[1]; 361 iirq = ca->ca_intr[2]; 362 cirq_type = oirq_type = iirq_type = IST_EDGE; 363 } 364 365 snprintf(intr_xname, sizeof(intr_xname), "%s status", 366 device_xname(self)); 367 intr_establish_xname(cirq, cirq_type, IPL_BIO, awacs_status_intr, sc, 368 intr_xname); 369 370 snprintf(intr_xname, sizeof(intr_xname), "%s out", device_xname(self)); 371 intr_establish_xname(oirq, oirq_type, IPL_AUDIO, awacs_intr, sc, 372 intr_xname); 373 374 snprintf(intr_xname, sizeof(intr_xname), "%s in", device_xname(self)); 375 intr_establish_xname(iirq, iirq_type, IPL_AUDIO, awacs_intr, sc, 376 intr_xname); 377 378 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE); 379 mutex_init(&sc->sc_event_lock, MUTEX_DEFAULT, IPL_NONE); 380 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO); 381 382 cv_init(&sc->sc_event, "awacs_wait"); 383 384 /* check if the chip is a screamer */ 385 sc->sc_screamer = of_compatible(ca->ca_node, screamer); 386 if (!sc->sc_screamer) { 387 /* look for 'sound' child node */ 388 int sound_node; 389 390 sound_node = OF_child(ca->ca_node); 391 while ((sound_node != 0) && (!sc->sc_screamer)) { 392 393 sc->sc_screamer = of_compatible(sound_node, screamer); 394 sound_node = OF_peer(sound_node); 395 } 396 } 397 398 if (sc->sc_screamer) { 399 printf(" Screamer"); 400 } 401 402 printf(": irq %d,%d,%d\n", cirq, oirq, iirq); 403 404 sc->vol_l = 0; 405 sc->vol_r = 0; 406 407 sc->sc_soundctl = AWACS_INPUT_SUBFRAME0 | AWACS_OUTPUT_SUBFRAME0 | 408 AWACS_RATE_44100 | AWACS_INTR_PORTCHG; 409 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl); 410 411 sc->sc_codecctl0 = AWACS_CODEC_ADDR0 | AWACS_CODEC_EMSEL0; 412 sc->sc_codecctl1 = AWACS_CODEC_ADDR1 | AWACS_CODEC_EMSEL0; 413 sc->sc_codecctl2 = AWACS_CODEC_ADDR2 | AWACS_CODEC_EMSEL0; 414 sc->sc_codecctl4 = AWACS_CODEC_ADDR4 | AWACS_CODEC_EMSEL0; 415 sc->sc_codecctl5 = AWACS_CODEC_ADDR5 | AWACS_CODEC_EMSEL0; 416 sc->sc_codecctl6 = AWACS_CODEC_ADDR6 | AWACS_CODEC_EMSEL0; 417 sc->sc_codecctl7 = AWACS_CODEC_ADDR7 | AWACS_CODEC_EMSEL0; 418 419 sc->sc_codecctl0 |= AWACS_INPUT_CD | AWACS_DEFAULT_CD_GAIN; 420 awacs_write_codec(sc, sc->sc_codecctl0); 421 422 /* Set loopthrough for external mixer on beige G3 */ 423 sc->sc_codecctl1 |= AWACS_LOOP_THROUGH; 424 425 printf("%s: ", device_xname(sc->sc_dev)); 426 427 /* 428 * all(?) awacs have GPIOs to detect if there's something plugged into 429 * the headphone jack. The other GPIOs are either used for other jacks 430 * ( the PB3400c's microphone jack for instance ) or unused. 431 * The problem is that there are at least three different ways how 432 * those GPIOs are wired to the actual jacks. 433 * For now we bother only with headphone detection 434 */ 435 perch = OF_finddevice("/perch"); 436 root_node = OF_finddevice("/"); 437 if (of_compatible(root_node, detect_reversed)) { 438 439 /* 0x02 is for the microphone jack, high active */ 440 /* 441 * for some reason the gpio for the headphones jack is low 442 * active on the PB3400 and similar machines 443 */ 444 sc->sc_headphones_mask = 0x8; 445 sc->sc_headphones_in = 0x0; 446 } else if ((perch != -1) || of_compatible(root_node, use_gpio4)) { 447 /* 448 * this is for the beige G3's 'personality card' which uses 449 * yet another wiring of the headphone detect GPIOs 450 * some G4s use it as well 451 */ 452 sc->sc_headphones_mask = 0x04; 453 sc->sc_headphones_in = 0x04; 454 } else { 455 /* while on most machines it's high active as well */ 456 sc->sc_headphones_mask = 0x8; 457 sc->sc_headphones_in = 0x8; 458 } 459 460 if (of_compatible(root_node, no_parallel_output)) 461 sc->sc_need_parallel_output = 0; 462 else { 463 sc->sc_need_parallel_output = 1; 464 sc->sc_codecctl1 |= AWACS_PARALLEL_OUTPUT; 465 } 466 467 if (awacs_check_headphones(sc)) { 468 469 /* default output to headphones */ 470 printf("headphones\n"); 471 sc->sc_output_mask = OUTPUT_HEADPHONES; 472 } else { 473 474 /* default output to speakers */ 475 printf("speaker\n"); 476 sc->sc_output_mask = OUTPUT_SPEAKER; 477 } 478 sc->sc_output_wanted = sc->sc_output_mask; 479 awacs_select_output(sc, sc->sc_output_mask); 480 481 delay(100); 482 if (sc->sc_screamer) { 483 awacs_write_codec(sc, sc->sc_codecctl6); 484 awacs_write_codec(sc, sc->sc_codecctl5); 485 delay(2); 486 awacs_write_codec(sc, sc->sc_codecctl1); 487 awacs_write_codec(sc, sc->sc_codecctl7); 488 } 489 490 /* default input from CD */ 491 sc->sc_record_source = 1 << 0; 492 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK; 493 sc->sc_codecctl0 |= AWACS_INPUT_CD; 494 awacs_write_codec(sc, sc->sc_codecctl0); 495 496 /* Enable interrupts and looping mode. */ 497 /* XXX ... */ 498 499 sc->sc_codecctl1 |= AWACS_LOOP_THROUGH; 500 if (sc->sc_need_parallel_output) 501 sc->sc_codecctl1 |= AWACS_PARALLEL_OUTPUT; 502 awacs_write_codec(sc, sc->sc_codecctl1); 503 504 #if NSGSMIX > 0 505 sc->sc_sgsmix = NULL; 506 #endif 507 sc->sc_have_perch = 0; 508 if (perch != -1) { 509 510 len = OF_getprop(perch, "compatible", compat, 255); 511 if (len > 0) { 512 printf("%s: found '%s' personality card\n", 513 device_xname(sc->sc_dev), compat); 514 sc->sc_have_perch = 1; 515 config_finalize_register(sc->sc_dev, 516 awacs_setup_sgsmix); 517 } 518 } 519 520 /* Set initial volume[s] */ 521 awacs_set_volume(sc, 144, 144); 522 awacs_set_loopthrough_volume(sc, 0, 0); 523 524 audio_attach_mi(&awacs_hw_if, sc, sc->sc_dev); 525 526 if (kthread_create(PRI_NONE, 0, NULL, awacs_thread, sc, 527 &sc->sc_thread, "%s", "awacs") != 0) { 528 printf("awacs: unable to create event kthread"); 529 } 530 pmf_device_register(sc->sc_dev, NULL, NULL); 531 } 532 533 static int 534 awacs_setup_sgsmix(device_t cookie) 535 { 536 struct awacs_softc *sc = device_private(cookie); 537 #if NSGSMIX > 0 538 device_t dv; 539 deviter_t di; 540 #endif 541 542 if (!sc->sc_have_perch) 543 return 0; 544 #if NSGSMIX > 0 545 /* look for sgsmix */ 546 for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST); 547 dv != NULL; 548 dv = deviter_next(&di)) { 549 if (device_is_a(dv, "sgsmix")) { 550 sc->sc_sgsmix = dv; 551 break; 552 } 553 } 554 deviter_release(&di); 555 if (sc->sc_sgsmix == NULL) 556 return 0; 557 558 printf("%s: using %s\n", device_xname(sc->sc_dev), 559 device_xname(sc->sc_sgsmix)); 560 561 sc->sc_codecctl1 &= ~AWACS_MUTE_HEADPHONE; 562 awacs_write_codec(sc, sc->sc_codecctl1); 563 564 awacs_select_output(sc, sc->sc_output_mask); 565 awacs_set_volume(sc, sc->vol_l, sc->vol_r); 566 awacs_set_bass(sc, 128); 567 awacs_set_treble(sc, 128); 568 cv_signal(&sc->sc_event); 569 #endif 570 return 0; 571 } 572 573 574 static inline u_int 575 awacs_read_reg(struct awacs_softc *sc, int reg) 576 { 577 578 return bus_space_read_4(sc->sc_tag, sc->sc_regh, reg); 579 } 580 581 static inline void 582 awacs_write_reg(struct awacs_softc *sc, int reg, int val) 583 { 584 585 bus_space_write_4(sc->sc_tag, sc->sc_regh, reg, val); 586 } 587 588 static void 589 awacs_write_codec(struct awacs_softc *sc, int value) 590 { 591 592 do { 593 delay(100); 594 } while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY); 595 596 awacs_write_reg(sc, AWACS_CODEC_CTRL, value); 597 598 do { 599 delay(100); 600 } while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY); 601 } 602 603 static int 604 awacs_intr(void *v) 605 { 606 struct awacs_softc *sc; 607 struct dbdma_command *cmd; 608 int count; 609 int status; 610 611 sc = v; 612 mutex_spin_enter(&sc->sc_intr_lock); 613 cmd = sc->sc_odmacmd; 614 count = sc->sc_opages; 615 /* Fill used buffer(s). */ 616 while (count-- > 0) { 617 /* if DBDMA_INT_ALWAYS */ 618 if (in16rb(&cmd->d_command) & 0x30) { /* XXX */ 619 status = in16rb(&cmd->d_status); 620 cmd->d_status = 0; 621 if (status) /* status == 0x8400 */ 622 if (sc->sc_ointr) 623 (*sc->sc_ointr)(sc->sc_oarg); 624 } 625 cmd++; 626 } 627 mutex_spin_exit(&sc->sc_intr_lock); 628 629 return 1; 630 } 631 632 static int 633 awacs_query_format(void *h, audio_format_query_t *afp) 634 { 635 636 return audio_query_format(awacs_formats, AWACS_NFORMATS, afp); 637 } 638 639 static int 640 awacs_set_format(void *h, int setmode, 641 const audio_params_t *play, const audio_params_t *rec, 642 audio_filter_reg_t *pfil, audio_filter_reg_t *rfil) 643 { 644 struct awacs_softc *sc; 645 646 sc = h; 647 648 /* *play and *rec are the identical because !AUDIO_PROP_INDEPENDENT. */ 649 650 awacs_write_reg(sc, AWACS_BYTE_SWAP, 0); 651 652 if (awacs_set_rate(sc, play)) 653 return EINVAL; 654 return 0; 655 } 656 657 static int 658 awacs_round_blocksize(void *h, int size, int mode, const audio_params_t *param) 659 { 660 661 if (size < PAGE_SIZE) 662 size = PAGE_SIZE; 663 return size & ~PGOFSET; 664 } 665 666 static int 667 awacs_halt_output(void *h) 668 { 669 struct awacs_softc *sc; 670 671 sc = h; 672 dbdma_stop(sc->sc_odma); 673 dbdma_reset(sc->sc_odma); 674 sc->sc_ointr = NULL; 675 return 0; 676 } 677 678 static int 679 awacs_halt_input(void *h) 680 { 681 struct awacs_softc *sc; 682 683 sc = h; 684 dbdma_stop(sc->sc_idma); 685 dbdma_reset(sc->sc_idma); 686 sc->sc_iintr = NULL; 687 return 0; 688 } 689 690 static int 691 awacs_getdev(void *h, struct audio_device *retp) 692 { 693 694 *retp = awacs_device; 695 return 0; 696 } 697 698 enum { 699 AWACS_MONITOR_CLASS, 700 AWACS_OUTPUT_CLASS, 701 AWACS_RECORD_CLASS, 702 AWACS_OUTPUT_SELECT, 703 AWACS_VOL_MASTER, 704 AWACS_INPUT_SELECT, 705 AWACS_VOL_INPUT, 706 AWACS_VOL_MONITOR, 707 AWACS_BASS, 708 AWACS_TREBLE, 709 AWACS_ENUM_LAST 710 }; 711 712 static int 713 awacs_set_port(void *h, mixer_ctrl_t *mc) 714 { 715 struct awacs_softc *sc; 716 int l, r; 717 718 DPRINTF("awacs_set_port dev = %d, type = %d\n", mc->dev, mc->type); 719 sc = h; 720 l = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT]; 721 r = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]; 722 723 switch (mc->dev) { 724 case AWACS_OUTPUT_SELECT: 725 /* No change necessary? */ 726 if (mc->un.mask == sc->sc_output_mask) 727 return 0; 728 awacs_select_output(sc, mc->un.mask); 729 return 0; 730 731 case AWACS_VOL_MASTER: 732 awacs_set_volume(sc, l, r); 733 return 0; 734 735 case AWACS_INPUT_SELECT: 736 /* no change necessary? */ 737 if (mc->un.mask == sc->sc_record_source) 738 return 0; 739 switch (mc->un.mask) { 740 case 1 << 0: /* CD */ 741 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK; 742 sc->sc_codecctl0 |= AWACS_INPUT_CD; 743 awacs_write_codec(sc, sc->sc_codecctl0); 744 break; 745 case 1 << 1: /* microphone */ 746 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK; 747 sc->sc_codecctl0 |= AWACS_INPUT_MICROPHONE; 748 awacs_write_codec(sc, sc->sc_codecctl0); 749 break; 750 case 1 << 2: /* line in */ 751 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK; 752 sc->sc_codecctl0 |= AWACS_INPUT_LINE; 753 awacs_write_codec(sc, sc->sc_codecctl0); 754 break; 755 default: /* invalid argument */ 756 return EINVAL; 757 } 758 sc->sc_record_source = mc->un.mask; 759 return 0; 760 761 case AWACS_VOL_INPUT: 762 sc->sc_codecctl0 &= ~0xff; 763 sc->sc_codecctl0 |= (l & 0xf0) | (r >> 4); 764 awacs_write_codec(sc, sc->sc_codecctl0); 765 return 0; 766 767 case AWACS_VOL_MONITOR: 768 awacs_set_loopthrough_volume(sc, l, r); 769 return 0; 770 771 #if NSGSMIX > 0 772 case AWACS_BASS: 773 awacs_set_bass(sc, l); 774 return 0; 775 776 case AWACS_TREBLE: 777 awacs_set_treble(sc, l); 778 return 0; 779 #endif 780 } 781 782 return ENXIO; 783 } 784 785 static int 786 awacs_get_port(void *h, mixer_ctrl_t *mc) 787 { 788 struct awacs_softc *sc; 789 int l, r, vol; 790 791 sc = h; 792 switch (mc->dev) { 793 case AWACS_OUTPUT_SELECT: 794 mc->un.mask = sc->sc_output_mask; 795 return 0; 796 797 case AWACS_VOL_MASTER: 798 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->vol_l; 799 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->vol_r; 800 return 0; 801 802 case AWACS_INPUT_SELECT: 803 mc->un.mask = sc->sc_record_source; 804 return 0; 805 806 case AWACS_VOL_INPUT: 807 vol = sc->sc_codecctl0 & 0xff; 808 l = (vol & 0xf0); 809 r = (vol & 0x0f) << 4; 810 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l; 811 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r; 812 return 0; 813 814 case AWACS_VOL_MONITOR: 815 vol = sc->sc_codecctl5 & 0x3cf; 816 l = (vol & 0x3c0) >> 6; 817 r = vol & 0xf; 818 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = (15 - l) << 4; 819 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = (15 - r) << 4; 820 return 0; 821 822 #if NSGSMIX > 0 823 case AWACS_BASS: 824 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_bass; 825 return 0; 826 827 case AWACS_TREBLE: 828 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_treble; 829 return 0; 830 #endif 831 832 default: 833 return ENXIO; 834 } 835 836 return 0; 837 } 838 839 static int 840 awacs_query_devinfo(void *h, mixer_devinfo_t *dip) 841 { 842 #if NSGSMIX > 0 843 struct awacs_softc *sc = h; 844 #endif 845 846 switch (dip->index) { 847 848 case AWACS_OUTPUT_SELECT: 849 dip->mixer_class = AWACS_OUTPUT_CLASS; 850 strcpy(dip->label.name, AudioNoutput); 851 dip->type = AUDIO_MIXER_SET; 852 dip->prev = dip->next = AUDIO_MIXER_LAST; 853 dip->un.s.num_mem = 2; 854 strcpy(dip->un.s.member[0].label.name, AudioNspeaker); 855 dip->un.s.member[0].mask = 1 << 0; 856 strcpy(dip->un.s.member[1].label.name, AudioNheadphone); 857 dip->un.s.member[1].mask = 1 << 1; 858 return 0; 859 860 case AWACS_VOL_MASTER: 861 dip->mixer_class = AWACS_OUTPUT_CLASS; 862 strcpy(dip->label.name, AudioNmaster); 863 dip->type = AUDIO_MIXER_VALUE; 864 dip->prev = dip->next = AUDIO_MIXER_LAST; 865 dip->un.v.num_channels = 2; 866 dip->un.v.delta = 16; 867 strcpy(dip->un.v.units.name, AudioNvolume); 868 return 0; 869 870 case AWACS_VOL_MONITOR: 871 dip->mixer_class = AWACS_MONITOR_CLASS; 872 strcpy(dip->label.name, AudioNmonitor); 873 dip->type = AUDIO_MIXER_VALUE; 874 dip->prev = dip->next = AUDIO_MIXER_LAST; 875 dip->un.v.num_channels = 2; 876 strcpy(dip->un.v.units.name, AudioNvolume); 877 return 0; 878 879 #if NSGSMIX > 0 880 case AWACS_BASS: 881 if (sc->sc_sgsmix == NULL) 882 return ENXIO; 883 dip->mixer_class = AWACS_OUTPUT_CLASS; 884 strcpy(dip->label.name, AudioNbass); 885 dip->type = AUDIO_MIXER_VALUE; 886 dip->prev = dip->next = AUDIO_MIXER_LAST; 887 dip->un.v.num_channels = 1; 888 strcpy(dip->un.v.units.name, AudioNbass); 889 return 0; 890 891 case AWACS_TREBLE: 892 if (sc->sc_sgsmix == NULL) 893 return ENXIO; 894 dip->mixer_class = AWACS_OUTPUT_CLASS; 895 strcpy(dip->label.name, AudioNtreble); 896 dip->type = AUDIO_MIXER_VALUE; 897 dip->prev = dip->next = AUDIO_MIXER_LAST; 898 dip->un.v.num_channels = 1; 899 strcpy(dip->un.v.units.name, AudioNtreble); 900 return 0; 901 #endif 902 903 case AWACS_INPUT_SELECT: 904 dip->mixer_class = AWACS_RECORD_CLASS; 905 strcpy(dip->label.name, AudioNsource); 906 dip->type = AUDIO_MIXER_SET; 907 dip->prev = dip->next = AUDIO_MIXER_LAST; 908 dip->un.s.num_mem = 3; 909 strcpy(dip->un.s.member[0].label.name, AudioNcd); 910 dip->un.s.member[0].mask = 1 << 0; 911 strcpy(dip->un.s.member[1].label.name, AudioNmicrophone); 912 dip->un.s.member[1].mask = 1 << 1; 913 strcpy(dip->un.s.member[2].label.name, AudioNline); 914 dip->un.s.member[2].mask = 1 << 2; 915 return 0; 916 917 case AWACS_VOL_INPUT: 918 dip->mixer_class = AWACS_RECORD_CLASS; 919 strcpy(dip->label.name, AudioNrecord); 920 dip->type = AUDIO_MIXER_VALUE; 921 dip->prev = dip->next = AUDIO_MIXER_LAST; 922 dip->un.v.num_channels = 2; 923 strcpy(dip->un.v.units.name, AudioNvolume); 924 return 0; 925 926 case AWACS_MONITOR_CLASS: 927 dip->mixer_class = AWACS_MONITOR_CLASS; 928 strcpy(dip->label.name, AudioCmonitor); 929 dip->type = AUDIO_MIXER_CLASS; 930 dip->next = dip->prev = AUDIO_MIXER_LAST; 931 return 0; 932 933 case AWACS_OUTPUT_CLASS: 934 dip->mixer_class = AWACS_OUTPUT_CLASS; 935 strcpy(dip->label.name, AudioCoutputs); 936 dip->type = AUDIO_MIXER_CLASS; 937 dip->next = dip->prev = AUDIO_MIXER_LAST; 938 return 0; 939 940 case AWACS_RECORD_CLASS: 941 dip->mixer_class = AWACS_RECORD_CLASS; 942 strcpy(dip->label.name, AudioCrecord); 943 dip->type = AUDIO_MIXER_CLASS; 944 dip->next = dip->prev = AUDIO_MIXER_LAST; 945 return 0; 946 } 947 948 return ENXIO; 949 } 950 951 static size_t 952 awacs_round_buffersize(void *h, int dir, size_t size) 953 { 954 955 if (size > 65536) 956 size = 65536; 957 return size; 958 } 959 960 static int 961 awacs_get_props(void *h) 962 { 963 964 return AUDIO_PROP_PLAYBACK | AUDIO_PROP_CAPTURE | 965 AUDIO_PROP_FULLDUPLEX; 966 } 967 968 static int 969 awacs_trigger_output(void *h, void *start, void *end, int bsize, 970 void (*intr)(void *), void *arg, 971 const audio_params_t *param) 972 { 973 struct awacs_softc *sc; 974 struct dbdma_command *cmd; 975 vaddr_t va; 976 int i, len, intmode; 977 978 DPRINTF("trigger_output %p %p 0x%x\n", start, end, bsize); 979 sc = h; 980 cmd = sc->sc_odmacmd; 981 sc->sc_ointr = intr; 982 sc->sc_oarg = arg; 983 sc->sc_opages = ((char *)end - (char *)start) / PAGE_SIZE; 984 985 #ifdef DIAGNOSTIC 986 if (sc->sc_opages > 16) 987 panic("awacs_trigger_output"); 988 #endif 989 990 va = (vaddr_t)start; 991 len = 0; 992 for (i = sc->sc_opages; i > 0; i--) { 993 len += PAGE_SIZE; 994 if (len < bsize) 995 intmode = DBDMA_INT_NEVER; 996 else { 997 len = 0; 998 intmode = DBDMA_INT_ALWAYS; 999 } 1000 1001 DBDMA_BUILD(cmd, DBDMA_CMD_OUT_MORE, 0, PAGE_SIZE, vtophys(va), 1002 intmode, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER); 1003 va += PAGE_SIZE; 1004 cmd++; 1005 } 1006 1007 DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0, 0, 1008 DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_ALWAYS); 1009 out32rb(&cmd->d_cmddep, vtophys((vaddr_t)sc->sc_odmacmd)); 1010 1011 dbdma_start(sc->sc_odma, sc->sc_odmacmd); 1012 1013 return 0; 1014 } 1015 1016 static int 1017 awacs_trigger_input(void *h, void *start, void *end, int bsize, 1018 void (*intr)(void *), void *arg, 1019 const audio_params_t *param) 1020 { 1021 1022 DPRINTF("awacs_trigger_input called\n"); 1023 return 1; 1024 } 1025 1026 static void 1027 awacs_get_locks(void *opaque, kmutex_t **intr, kmutex_t **thread) 1028 { 1029 struct awacs_softc *sc = opaque; 1030 1031 *intr = &sc->sc_intr_lock; 1032 *thread = &sc->sc_lock; 1033 } 1034 1035 static void 1036 awacs_select_output(struct awacs_softc *sc, int mask) 1037 { 1038 1039 #if NSGSMIX > 0 1040 if (sc->sc_sgsmix) { 1041 if (mask & OUTPUT_HEADPHONES) { 1042 /* mute speakers */ 1043 sgsmix_set_speaker_vol(sc->sc_sgsmix, 0, 0); 1044 sgsmix_set_headphone_vol(sc->sc_sgsmix, 1045 sc->vol_l, sc->vol_r); 1046 } 1047 if (mask & OUTPUT_SPEAKER) { 1048 /* mute headphones */ 1049 sgsmix_set_speaker_vol(sc->sc_sgsmix, 1050 sc->vol_l, sc->vol_r); 1051 sgsmix_set_headphone_vol(sc->sc_sgsmix, 0, 0); 1052 } 1053 } else { 1054 #endif 1055 sc->sc_codecctl1 |= AWACS_MUTE_SPEAKER | AWACS_MUTE_HEADPHONE; 1056 if ((sc->vol_l > 0) || (sc->vol_r > 0)) { 1057 if (mask & OUTPUT_SPEAKER) 1058 sc->sc_codecctl1 &= ~AWACS_MUTE_SPEAKER; 1059 if (mask & OUTPUT_HEADPHONES) 1060 sc->sc_codecctl1 &= ~AWACS_MUTE_HEADPHONE; 1061 } 1062 awacs_write_codec(sc, sc->sc_codecctl1); 1063 #if NSGSMIX > 0 1064 } 1065 #endif 1066 sc->sc_output_mask = mask; 1067 } 1068 1069 static void 1070 awacs_set_speaker_volume(struct awacs_softc *sc, int left, int right) 1071 { 1072 1073 #if NSGSMIX > 0 1074 if (sc->sc_sgsmix) { 1075 if (sc->sc_output_mask & OUTPUT_SPEAKER) 1076 sgsmix_set_speaker_vol(sc->sc_sgsmix, left, right); 1077 } else 1078 #endif 1079 { 1080 int lval; 1081 int rval; 1082 uint32_t codecctl = sc->sc_codecctl1; 1083 1084 lval = 15 - ((left & 0xf0) >> 4); 1085 rval = 15 - ((right & 0xf0) >> 4); 1086 DPRINTF("speaker_volume %d %d\n", lval, rval); 1087 1088 sc->sc_codecctl4 &= ~0x3cf; 1089 sc->sc_codecctl4 |= (lval << 6) | rval; 1090 awacs_write_codec(sc, sc->sc_codecctl4); 1091 if ((left == 0) && (right == 0)) { 1092 /* 1093 * max. attenuation doesn't mean silence so we need to 1094 * mute the output channel here 1095 */ 1096 codecctl |= AWACS_MUTE_SPEAKER; 1097 } else if (sc->sc_output_mask & OUTPUT_SPEAKER) { 1098 codecctl &= ~AWACS_MUTE_SPEAKER; 1099 } 1100 1101 if (codecctl != sc->sc_codecctl1) { 1102 1103 sc->sc_codecctl1 = codecctl; 1104 awacs_write_codec(sc, sc->sc_codecctl1); 1105 } 1106 } 1107 } 1108 1109 static void 1110 awacs_set_ext_volume(struct awacs_softc *sc, int left, int right) 1111 { 1112 1113 #if NSGSMIX > 0 1114 if (sc->sc_sgsmix) { 1115 if (sc->sc_output_mask & OUTPUT_HEADPHONES) 1116 sgsmix_set_headphone_vol(sc->sc_sgsmix, left, right); 1117 } else 1118 #endif 1119 { 1120 int lval; 1121 int rval; 1122 uint32_t codecctl = sc->sc_codecctl1; 1123 1124 lval = 15 - ((left & 0xf0) >> 4); 1125 rval = 15 - ((right & 0xf0) >> 4); 1126 DPRINTF("ext_volume %d %d\n", lval, rval); 1127 1128 sc->sc_codecctl2 &= ~0x3cf; 1129 sc->sc_codecctl2 |= (lval << 6) | rval; 1130 awacs_write_codec(sc, sc->sc_codecctl2); 1131 1132 if ((left == 0) && (right == 0)) { 1133 /* 1134 * max. attenuation doesn't mean silence so we need to 1135 * mute the output channel here 1136 */ 1137 codecctl |= AWACS_MUTE_HEADPHONE; 1138 } else if (sc->sc_output_mask & OUTPUT_HEADPHONES) { 1139 1140 codecctl &= ~AWACS_MUTE_HEADPHONE; 1141 } 1142 1143 if (codecctl != sc->sc_codecctl1) { 1144 1145 sc->sc_codecctl1 = codecctl; 1146 awacs_write_codec(sc, sc->sc_codecctl1); 1147 } 1148 } 1149 } 1150 1151 void 1152 awacs_set_volume(struct awacs_softc *sc, int left, int right) 1153 { 1154 1155 awacs_set_ext_volume(sc, left, right); 1156 awacs_set_speaker_volume(sc, left, right); 1157 1158 sc->vol_l = left; 1159 sc->vol_r = right; 1160 } 1161 1162 #if NSGSMIX > 0 1163 static void 1164 awacs_set_bass(struct awacs_softc *sc, int bass) 1165 { 1166 1167 if (sc->sc_bass == bass) 1168 return; 1169 1170 sc->sc_bass = bass; 1171 if (sc->sc_sgsmix) 1172 sgsmix_set_bass_treble(sc->sc_sgsmix, sc->sc_bass, 1173 sc->sc_treble); 1174 } 1175 1176 static void 1177 awacs_set_treble(struct awacs_softc *sc, int treble) 1178 { 1179 1180 if (sc->sc_treble == treble) 1181 return; 1182 1183 sc->sc_treble = treble; 1184 if (sc->sc_sgsmix) 1185 sgsmix_set_bass_treble(sc->sc_sgsmix, sc->sc_bass, 1186 sc->sc_treble); 1187 } 1188 #endif 1189 1190 void 1191 awacs_set_loopthrough_volume(struct awacs_softc *sc, int left, int right) 1192 { 1193 int lval; 1194 int rval; 1195 1196 lval = 15 - ((left & 0xff) >> 4); 1197 rval = 15 - ((right & 0xff) >> 4); 1198 DPRINTF("loopthrough_volume %d %d\n", lval, rval); 1199 1200 sc->sc_codecctl5 &= ~0x3cf; 1201 sc->sc_codecctl5 |= (lval << 6) | rval; 1202 awacs_write_codec(sc, sc->sc_codecctl5); 1203 } 1204 1205 int 1206 awacs_set_rate(struct awacs_softc *sc, const audio_params_t *p) 1207 { 1208 int c; 1209 1210 switch (p->sample_rate) { 1211 case 44100: 1212 c = AWACS_RATE_44100; 1213 break; 1214 case 29400: 1215 c = AWACS_RATE_29400; 1216 break; 1217 case 22050: 1218 c = AWACS_RATE_22050; 1219 break; 1220 case 17640: 1221 c = AWACS_RATE_17640; 1222 break; 1223 case 14700: 1224 c = AWACS_RATE_14700; 1225 break; 1226 case 11025: 1227 c = AWACS_RATE_11025; 1228 break; 1229 case 8820: 1230 c = AWACS_RATE_8820; 1231 break; 1232 case 7350: 1233 c = AWACS_RATE_7350; 1234 break; 1235 default: 1236 return -1; 1237 } 1238 1239 sc->sc_soundctl &= ~AWACS_RATE_MASK; 1240 sc->sc_soundctl |= c; 1241 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl); 1242 1243 return 0; 1244 } 1245 1246 static int 1247 awacs_check_headphones(struct awacs_softc *sc) 1248 { 1249 uint32_t reg; 1250 reg = awacs_read_reg(sc, AWACS_CODEC_STATUS); 1251 DPRINTF("%s: codec status reg %08x\n", device_xname(sc->sc_dev), reg); 1252 return ((reg & sc->sc_headphones_mask) == sc->sc_headphones_in); 1253 } 1254 1255 static int 1256 awacs_status_intr(void *cookie) 1257 { 1258 struct awacs_softc *sc = cookie; 1259 int mask; 1260 1261 mutex_spin_enter(&sc->sc_intr_lock); 1262 mask = awacs_check_headphones(sc) ? OUTPUT_HEADPHONES : OUTPUT_SPEAKER; 1263 if (mask != sc->sc_output_mask) { 1264 1265 sc->sc_output_wanted = mask; 1266 cv_signal(&sc->sc_event); 1267 } 1268 /* clear the interrupt */ 1269 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl | AWACS_PORTCHG); 1270 mutex_spin_exit(&sc->sc_intr_lock); 1271 return 1; 1272 } 1273 1274 static void 1275 awacs_thread(void *cookie) 1276 { 1277 struct awacs_softc *sc = cookie; 1278 1279 while (1) { 1280 mutex_enter(&sc->sc_event_lock); 1281 cv_timedwait(&sc->sc_event, &sc->sc_event_lock, hz); 1282 mutex_exit(&sc->sc_event_lock); 1283 if (sc->sc_output_wanted == sc->sc_output_mask) 1284 continue; 1285 1286 awacs_select_output(sc, sc->sc_output_wanted); 1287 DPRINTF("%s: switching to %s\n", device_xname(sc->sc_dev), 1288 (sc->sc_output_wanted & OUTPUT_SPEAKER) ? 1289 "speaker" : "headphones"); 1290 } 1291 } 1292
Indexes created Sat Sep 20 22:09:52 GMT 2025