awacs.c revision 1.48.10.1
1 /* $NetBSD: awacs.c,v 1.48.10.1 2021/04/03 22:28:29 thorpej 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 1.48.10.1 2021/04/03 22:28:29 thorpej 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 int awacs_query_format(void *, audio_format_query_t *); 114 static int awacs_set_format(void *, int, 115 const audio_params_t *, const audio_params_t *, 116 audio_filter_reg_t *, audio_filter_reg_t *); 117 118 static int awacs_round_blocksize(void *, int, int, const audio_params_t *); 119 static int awacs_trigger_output(void *, void *, void *, int, void (*)(void *), 120 void *, const audio_params_t *); 121 static int awacs_trigger_input(void *, void *, void *, int, void (*)(void *), 122 void *, const audio_params_t *); 123 static int awacs_halt_output(void *); 124 static int awacs_halt_input(void *); 125 static int awacs_getdev(void *, struct audio_device *); 126 static int awacs_set_port(void *, mixer_ctrl_t *); 127 static int awacs_get_port(void *, mixer_ctrl_t *); 128 static int awacs_query_devinfo(void *, mixer_devinfo_t *); 129 static size_t awacs_round_buffersize(void *, int, size_t); 130 static int awacs_get_props(void *); 131 static void awacs_get_locks(void *, kmutex_t **, kmutex_t **); 132 133 static inline u_int awacs_read_reg(struct awacs_softc *, int); 134 static inline void awacs_write_reg(struct awacs_softc *, int, int); 135 static void awacs_write_codec(struct awacs_softc *, int); 136 137 void awacs_set_volume(struct awacs_softc *, int, int); 138 static void awacs_set_speaker_volume(struct awacs_softc *, int, int); 139 static void awacs_set_ext_volume(struct awacs_softc *, int, int); 140 static void awacs_set_loopthrough_volume(struct awacs_softc *, int, int); 141 static int awacs_set_rate(struct awacs_softc *, const audio_params_t *); 142 static void awacs_select_output(struct awacs_softc *, int); 143 static int awacs_check_headphones(struct awacs_softc *); 144 static void awacs_thread(void *); 145 146 #if NSGSMIX > 0 147 static void awacs_set_bass(struct awacs_softc *, int); 148 static void awacs_set_treble(struct awacs_softc *, int); 149 #endif 150 static int awacs_setup_sgsmix(device_t); 151 152 CFATTACH_DECL_NEW(awacs, sizeof(struct awacs_softc), 153 awacs_match, awacs_attach, NULL, NULL); 154 155 const struct audio_hw_if awacs_hw_if = { 156 .query_format = awacs_query_format, 157 .set_format = awacs_set_format, 158 .round_blocksize = awacs_round_blocksize, 159 .halt_output = awacs_halt_output, 160 .halt_input = awacs_halt_input, 161 .getdev = awacs_getdev, 162 .set_port = awacs_set_port, 163 .get_port = awacs_get_port, 164 .query_devinfo = awacs_query_devinfo, 165 .round_buffersize = awacs_round_buffersize, 166 .get_props = awacs_get_props, 167 .trigger_output = awacs_trigger_output, 168 .trigger_input = awacs_trigger_input, 169 .get_locks = awacs_get_locks, 170 }; 171 172 struct audio_device awacs_device = { 173 "AWACS", 174 "", 175 "awacs" 176 }; 177 178 static const struct audio_format awacs_formats[] = { 179 { 180 .mode = AUMODE_PLAY | AUMODE_RECORD, 181 .encoding = AUDIO_ENCODING_SLINEAR_BE, 182 .validbits = 16, 183 .precision = 16, 184 .channels = 2, 185 .channel_mask = AUFMT_STEREO, 186 .frequency_type = 8, 187 .frequency = 188 { 7350, 8820, 11025, 14700, 17640, 22050, 29400, 44100 }, 189 } 190 }; 191 #define AWACS_NFORMATS __arraycount(awacs_formats) 192 193 /* register offset */ 194 #define AWACS_SOUND_CTRL 0x00 195 #define AWACS_CODEC_CTRL 0x10 196 #define AWACS_CODEC_STATUS 0x20 197 #define AWACS_CLIP_COUNT 0x30 198 #define AWACS_BYTE_SWAP 0x40 199 200 /* sound control */ 201 #define AWACS_INPUT_SUBFRAME0 0x00000001 202 #define AWACS_INPUT_SUBFRAME1 0x00000002 203 #define AWACS_INPUT_SUBFRAME2 0x00000004 204 #define AWACS_INPUT_SUBFRAME3 0x00000008 205 206 #define AWACS_OUTPUT_SUBFRAME0 0x00000010 207 #define AWACS_OUTPUT_SUBFRAME1 0x00000020 208 #define AWACS_OUTPUT_SUBFRAME2 0x00000040 209 #define AWACS_OUTPUT_SUBFRAME3 0x00000080 210 211 #define AWACS_RATE_44100 0x00000000 212 #define AWACS_RATE_29400 0x00000100 213 #define AWACS_RATE_22050 0x00000200 214 #define AWACS_RATE_17640 0x00000300 215 #define AWACS_RATE_14700 0x00000400 216 #define AWACS_RATE_11025 0x00000500 217 #define AWACS_RATE_8820 0x00000600 218 #define AWACS_RATE_7350 0x00000700 219 #define AWACS_RATE_MASK 0x00000700 220 221 #define AWACS_ERROR 0x00000800 222 #define AWACS_PORTCHG 0x00001000 223 #define AWACS_INTR_ERROR 0x00002000 /* interrupt on error */ 224 #define AWACS_INTR_PORTCHG 0x00004000 /* interrupt on port change */ 225 226 #define AWACS_STATUS_SUBFRAME 0x00018000 /* mask */ 227 228 /* codec control */ 229 #define AWACS_CODEC_ADDR0 0x00000000 230 #define AWACS_CODEC_ADDR1 0x00001000 231 #define AWACS_CODEC_ADDR2 0x00002000 232 #define AWACS_CODEC_ADDR4 0x00004000 233 #define AWACS_CODEC_ADDR5 0x00005000 234 #define AWACS_CODEC_ADDR6 0x00006000 235 #define AWACS_CODEC_ADDR7 0x00007000 236 #define AWACS_CODEC_EMSEL0 0x00000000 237 #define AWACS_CODEC_EMSEL1 0x00400000 238 #define AWACS_CODEC_EMSEL2 0x00800000 239 #define AWACS_CODEC_EMSEL4 0x00c00000 240 #define AWACS_CODEC_BUSY 0x01000000 241 242 /* cc0 */ 243 #define AWACS_DEFAULT_CD_GAIN 0x000000bb 244 #define AWACS_INPUT_CD 0x00000200 245 #define AWACS_INPUT_LINE 0x00000400 246 #define AWACS_INPUT_MICROPHONE 0x00000800 247 #define AWACS_INPUT_MASK 0x00000e00 248 249 /* cc1 */ 250 #define AWACS_LOOP_THROUGH 0x00000040 251 #define AWACS_MUTE_SPEAKER 0x00000080 252 #define AWACS_MUTE_HEADPHONE 0x00000200 253 #define AWACS_PARALLEL_OUTPUT 0x00000c00 254 255 /* output */ 256 #define OUTPUT_SPEAKER 1 257 #define OUTPUT_HEADPHONES 2 258 259 /* codec status */ 260 261 static const char *screamer[] = {"screamer", NULL}; 262 263 /* 264 * list machines that have the headphone detect GPIO reversed here. 265 * so far the only known case is the PowerBook 3400c and similar machines 266 */ 267 static const char *detect_reversed[] = {"AAPL,3400/2400", 268 "AAPL,3500", 269 NULL}; 270 271 static const char *use_gpio4[] = { "PowerMac3,1", 272 "PowerMac3,2", 273 "PowerMac3,3", 274 NULL}; 275 276 /* 277 * list of machines that do not require AWACS_PARALLEL_OUTPUT 278 */ 279 static const char *no_parallel_output[] = { "PowerBook3,1", 280 NULL}; 281 282 static int 283 awacs_match(device_t parent, struct cfdata *match, void *aux) 284 { 285 struct confargs *ca; 286 287 ca = aux; 288 289 if (strcmp(ca->ca_name, "awacs") == 0 || 290 strcmp(ca->ca_name, "davbus") == 0) 291 return 100; 292 293 if (ca->ca_nreg < 24 || ca->ca_nintr < 12) 294 return 0; 295 296 if (strcmp(ca->ca_name, "i2s") == 0) 297 return 1; 298 299 return 0; 300 } 301 302 static void 303 awacs_attach(device_t parent, device_t self, void *aux) 304 { 305 struct awacs_softc *sc; 306 struct confargs *ca = aux; 307 int cirq, oirq, iirq, cirq_type, oirq_type, iirq_type; 308 int len = -1, perch; 309 int root_node; 310 char compat[256], intr_xname[INTRDEVNAMEBUF]; 311 312 sc = device_private(self); 313 sc->sc_dev = self; 314 sc->sc_tag = ca->ca_tag; 315 316 if (bus_space_map(sc->sc_tag, ca->ca_baseaddr + ca->ca_reg[0], 317 ca->ca_reg[1], 0, &sc->sc_regh) != 0) 318 printf("couldn't map codec registers\n"); 319 if (bus_space_map(sc->sc_tag, ca->ca_baseaddr + ca->ca_reg[2], 320 ca->ca_reg[3], BUS_SPACE_MAP_LINEAR, &sc->sc_odmah) != 0) 321 printf("couldn't map DMA out registers\n"); 322 if (bus_space_map(sc->sc_tag, ca->ca_baseaddr + ca->ca_reg[4], 323 ca->ca_reg[5], BUS_SPACE_MAP_LINEAR, &sc->sc_idmah) != 0) 324 printf("couldn't map DMA in registers\n"); 325 326 sc->sc_odma = bus_space_vaddr(sc->sc_tag, sc->sc_odmah); 327 sc->sc_idma = bus_space_vaddr(sc->sc_tag, sc->sc_idmah); 328 sc->sc_odmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command), NULL); 329 sc->sc_idmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command), NULL); 330 331 if (strcmp(ca->ca_name, "i2s") == 0) { 332 int node, intr[6]; 333 334 node = OF_child(ca->ca_node); 335 if (node == 0) { 336 printf("no i2s-a child\n"); 337 return; 338 } 339 if (OF_getprop(node, "interrupts", intr, sizeof(intr)) == -1) { 340 printf("no interrupt property\n"); 341 return; 342 } 343 344 cirq = intr[0]; 345 oirq = intr[2]; 346 iirq = intr[4]; 347 cirq_type = intr[1] ? IST_LEVEL : IST_EDGE; 348 oirq_type = intr[3] ? IST_LEVEL : IST_EDGE; 349 iirq_type = intr[5] ? IST_LEVEL : IST_EDGE; 350 } else if (ca->ca_nintr == 24) { 351 cirq = ca->ca_intr[0]; 352 oirq = ca->ca_intr[2]; 353 iirq = ca->ca_intr[4]; 354 cirq_type = ca->ca_intr[1] ? IST_LEVEL : IST_EDGE; 355 oirq_type = ca->ca_intr[3] ? IST_LEVEL : IST_EDGE; 356 iirq_type = ca->ca_intr[5] ? IST_LEVEL : IST_EDGE; 357 } else { 358 cirq = ca->ca_intr[0]; 359 oirq = ca->ca_intr[1]; 360 iirq = ca->ca_intr[2]; 361 cirq_type = oirq_type = iirq_type = IST_EDGE; 362 } 363 364 snprintf(intr_xname, sizeof(intr_xname), "%s status", 365 device_xname(self)); 366 intr_establish_xname(cirq, cirq_type, IPL_BIO, awacs_status_intr, sc, 367 intr_xname); 368 369 snprintf(intr_xname, sizeof(intr_xname), "%s out", device_xname(self)); 370 intr_establish_xname(oirq, oirq_type, IPL_AUDIO, awacs_intr, sc, 371 intr_xname); 372 373 snprintf(intr_xname, sizeof(intr_xname), "%s in", device_xname(self)); 374 intr_establish_xname(iirq, iirq_type, IPL_AUDIO, awacs_intr, sc, 375 intr_xname); 376 377 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE); 378 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO); 379 380 cv_init(&sc->sc_event, "awacs_wait"); 381 382 /* check if the chip is a screamer */ 383 sc->sc_screamer = of_compatible(ca->ca_node, screamer); 384 if (!sc->sc_screamer) { 385 /* look for 'sound' child node */ 386 int sound_node; 387 388 sound_node = OF_child(ca->ca_node); 389 while ((sound_node != 0) && (!sc->sc_screamer)) { 390 391 sc->sc_screamer = of_compatible(sound_node, screamer); 392 sound_node = OF_peer(sound_node); 393 } 394 } 395 396 if (sc->sc_screamer) { 397 printf(" Screamer"); 398 } 399 400 printf(": irq %d,%d,%d\n", cirq, oirq, iirq); 401 402 sc->vol_l = 0; 403 sc->vol_r = 0; 404 405 sc->sc_soundctl = AWACS_INPUT_SUBFRAME0 | AWACS_OUTPUT_SUBFRAME0 | 406 AWACS_RATE_44100 | AWACS_INTR_PORTCHG; 407 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl); 408 409 sc->sc_codecctl0 = AWACS_CODEC_ADDR0 | AWACS_CODEC_EMSEL0; 410 sc->sc_codecctl1 = AWACS_CODEC_ADDR1 | AWACS_CODEC_EMSEL0; 411 sc->sc_codecctl2 = AWACS_CODEC_ADDR2 | AWACS_CODEC_EMSEL0; 412 sc->sc_codecctl4 = AWACS_CODEC_ADDR4 | AWACS_CODEC_EMSEL0; 413 sc->sc_codecctl5 = AWACS_CODEC_ADDR5 | AWACS_CODEC_EMSEL0; 414 sc->sc_codecctl6 = AWACS_CODEC_ADDR6 | AWACS_CODEC_EMSEL0; 415 sc->sc_codecctl7 = AWACS_CODEC_ADDR7 | AWACS_CODEC_EMSEL0; 416 417 sc->sc_codecctl0 |= AWACS_INPUT_CD | AWACS_DEFAULT_CD_GAIN; 418 awacs_write_codec(sc, sc->sc_codecctl0); 419 420 /* Set loopthrough for external mixer on beige G3 */ 421 sc->sc_codecctl1 |= AWACS_LOOP_THROUGH; 422 423 printf("%s: ", device_xname(sc->sc_dev)); 424 425 /* 426 * all(?) awacs have GPIOs to detect if there's something plugged into 427 * the headphone jack. The other GPIOs are either used for other jacks 428 * ( the PB3400c's microphone jack for instance ) or unused. 429 * The problem is that there are at least three different ways how 430 * those GPIOs are wired to the actual jacks. 431 * For now we bother only with headphone detection 432 */ 433 perch = OF_finddevice("/perch"); 434 root_node = OF_finddevice("/"); 435 if (of_compatible(root_node, detect_reversed)) { 436 437 /* 0x02 is for the microphone jack, high active */ 438 /* 439 * for some reason the gpio for the headphones jack is low 440 * active on the PB3400 and similar machines 441 */ 442 sc->sc_headphones_mask = 0x8; 443 sc->sc_headphones_in = 0x0; 444 } else if ((perch != -1) || of_compatible(root_node, use_gpio4)) { 445 /* 446 * this is for the beige G3's 'personality card' which uses 447 * yet another wiring of the headphone detect GPIOs 448 * some G4s use it as well 449 */ 450 sc->sc_headphones_mask = 0x04; 451 sc->sc_headphones_in = 0x04; 452 } else { 453 /* while on most machines it's high active as well */ 454 sc->sc_headphones_mask = 0x8; 455 sc->sc_headphones_in = 0x8; 456 } 457 458 if (of_compatible(root_node, no_parallel_output)) 459 sc->sc_need_parallel_output = 0; 460 else { 461 sc->sc_need_parallel_output = 1; 462 sc->sc_codecctl1 |= AWACS_PARALLEL_OUTPUT; 463 } 464 465 if (awacs_check_headphones(sc)) { 466 467 /* default output to headphones */ 468 printf("headphones\n"); 469 sc->sc_output_mask = OUTPUT_HEADPHONES; 470 } else { 471 472 /* default output to speakers */ 473 printf("speaker\n"); 474 sc->sc_output_mask = OUTPUT_SPEAKER; 475 } 476 sc->sc_output_wanted = sc->sc_output_mask; 477 awacs_select_output(sc, sc->sc_output_mask); 478 479 delay(100); 480 if (sc->sc_screamer) { 481 awacs_write_codec(sc, sc->sc_codecctl6); 482 awacs_write_codec(sc, sc->sc_codecctl5); 483 delay(2); 484 awacs_write_codec(sc, sc->sc_codecctl1); 485 awacs_write_codec(sc, sc->sc_codecctl7); 486 } 487 488 /* default input from CD */ 489 sc->sc_record_source = 1 << 0; 490 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK; 491 sc->sc_codecctl0 |= AWACS_INPUT_CD; 492 awacs_write_codec(sc, sc->sc_codecctl0); 493 494 /* Enable interrupts and looping mode. */ 495 /* XXX ... */ 496 497 sc->sc_codecctl1 |= AWACS_LOOP_THROUGH; 498 if (sc->sc_need_parallel_output) 499 sc->sc_codecctl1 |= AWACS_PARALLEL_OUTPUT; 500 awacs_write_codec(sc, sc->sc_codecctl1); 501 502 #if NSGSMIX > 0 503 sc->sc_sgsmix = NULL; 504 #endif 505 sc->sc_have_perch = 0; 506 if (perch != -1) { 507 508 len = OF_getprop(perch, "compatible", compat, 255); 509 if (len > 0) { 510 printf("%s: found '%s' personality card\n", 511 device_xname(sc->sc_dev), compat); 512 sc->sc_have_perch = 1; 513 config_finalize_register(sc->sc_dev, 514 awacs_setup_sgsmix); 515 } 516 } 517 518 /* Set initial volume[s] */ 519 awacs_set_volume(sc, 144, 144); 520 awacs_set_loopthrough_volume(sc, 0, 0); 521 522 audio_attach_mi(&awacs_hw_if, sc, sc->sc_dev); 523 524 if (kthread_create(PRI_NONE, 0, NULL, awacs_thread, sc, 525 &sc->sc_thread, "%s", "awacs") != 0) { 526 printf("awacs: unable to create event kthread"); 527 } 528 pmf_device_register(sc->sc_dev, NULL, NULL); 529 } 530 531 static int 532 awacs_setup_sgsmix(device_t cookie) 533 { 534 struct awacs_softc *sc = device_private(cookie); 535 #if NSGSMIX > 0 536 device_t dv; 537 deviter_t di; 538 #endif 539 540 if (!sc->sc_have_perch) 541 return 0; 542 #if NSGSMIX > 0 543 /* look for sgsmix */ 544 for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST); 545 dv != NULL; 546 dv = deviter_next(&di)) { 547 if (device_is_a(dv, "sgsmix")) { 548 sc->sc_sgsmix = dv; 549 break; 550 } 551 } 552 deviter_release(&di); 553 if (sc->sc_sgsmix == NULL) 554 return 0; 555 556 printf("%s: using %s\n", device_xname(sc->sc_dev), 557 device_xname(sc->sc_sgsmix)); 558 559 sc->sc_codecctl1 &= ~AWACS_MUTE_HEADPHONE; 560 awacs_write_codec(sc, sc->sc_codecctl1); 561 562 awacs_select_output(sc, sc->sc_output_mask); 563 awacs_set_volume(sc, sc->vol_l, sc->vol_r); 564 awacs_set_bass(sc, 128); 565 awacs_set_treble(sc, 128); 566 cv_signal(&sc->sc_event); 567 #endif 568 return 0; 569 } 570 571 572 static inline u_int 573 awacs_read_reg(struct awacs_softc *sc, int reg) 574 { 575 576 return bus_space_read_4(sc->sc_tag, sc->sc_regh, reg); 577 } 578 579 static inline void 580 awacs_write_reg(struct awacs_softc *sc, int reg, int val) 581 { 582 583 bus_space_write_4(sc->sc_tag, sc->sc_regh, reg, val); 584 } 585 586 static void 587 awacs_write_codec(struct awacs_softc *sc, int value) 588 { 589 590 do { 591 delay(100); 592 } while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY); 593 594 awacs_write_reg(sc, AWACS_CODEC_CTRL, value); 595 596 do { 597 delay(100); 598 } while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY); 599 } 600 601 static int 602 awacs_intr(void *v) 603 { 604 struct awacs_softc *sc; 605 struct dbdma_command *cmd; 606 int count; 607 int status; 608 609 sc = v; 610 mutex_spin_enter(&sc->sc_intr_lock); 611 cmd = sc->sc_odmacmd; 612 count = sc->sc_opages; 613 /* Fill used buffer(s). */ 614 while (count-- > 0) { 615 /* if DBDMA_INT_ALWAYS */ 616 if (in16rb(&cmd->d_command) & 0x30) { /* XXX */ 617 status = in16rb(&cmd->d_status); 618 cmd->d_status = 0; 619 if (status) /* status == 0x8400 */ 620 if (sc->sc_ointr) 621 (*sc->sc_ointr)(sc->sc_oarg); 622 } 623 cmd++; 624 } 625 mutex_spin_exit(&sc->sc_intr_lock); 626 627 return 1; 628 } 629 630 static int 631 awacs_query_format(void *h, audio_format_query_t *afp) 632 { 633 634 return audio_query_format(awacs_formats, AWACS_NFORMATS, afp); 635 } 636 637 static int 638 awacs_set_format(void *h, int setmode, 639 const audio_params_t *play, const audio_params_t *rec, 640 audio_filter_reg_t *pfil, audio_filter_reg_t *rfil) 641 { 642 struct awacs_softc *sc; 643 644 sc = h; 645 646 /* *play and *rec are the identical because !AUDIO_PROP_INDEPENDENT. */ 647 648 awacs_write_reg(sc, AWACS_BYTE_SWAP, 0); 649 650 if (awacs_set_rate(sc, play)) 651 return EINVAL; 652 return 0; 653 } 654 655 static int 656 awacs_round_blocksize(void *h, int size, int mode, const audio_params_t *param) 657 { 658 659 if (size < PAGE_SIZE) 660 size = PAGE_SIZE; 661 return size & ~PGOFSET; 662 } 663 664 static int 665 awacs_halt_output(void *h) 666 { 667 struct awacs_softc *sc; 668 669 sc = h; 670 dbdma_stop(sc->sc_odma); 671 dbdma_reset(sc->sc_odma); 672 sc->sc_ointr = NULL; 673 return 0; 674 } 675 676 static int 677 awacs_halt_input(void *h) 678 { 679 struct awacs_softc *sc; 680 681 sc = h; 682 dbdma_stop(sc->sc_idma); 683 dbdma_reset(sc->sc_idma); 684 sc->sc_iintr = NULL; 685 return 0; 686 } 687 688 static int 689 awacs_getdev(void *h, struct audio_device *retp) 690 { 691 692 *retp = awacs_device; 693 return 0; 694 } 695 696 enum { 697 AWACS_MONITOR_CLASS, 698 AWACS_OUTPUT_CLASS, 699 AWACS_RECORD_CLASS, 700 AWACS_OUTPUT_SELECT, 701 AWACS_VOL_MASTER, 702 AWACS_INPUT_SELECT, 703 AWACS_VOL_INPUT, 704 AWACS_VOL_MONITOR, 705 AWACS_BASS, 706 AWACS_TREBLE, 707 AWACS_ENUM_LAST 708 }; 709 710 static int 711 awacs_set_port(void *h, mixer_ctrl_t *mc) 712 { 713 struct awacs_softc *sc; 714 int l, r; 715 716 DPRINTF("awacs_set_port dev = %d, type = %d\n", mc->dev, mc->type); 717 sc = h; 718 l = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT]; 719 r = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]; 720 721 switch (mc->dev) { 722 case AWACS_OUTPUT_SELECT: 723 /* No change necessary? */ 724 if (mc->un.mask == sc->sc_output_mask) 725 return 0; 726 awacs_select_output(sc, mc->un.mask); 727 return 0; 728 729 case AWACS_VOL_MASTER: 730 awacs_set_volume(sc, l, r); 731 return 0; 732 733 case AWACS_INPUT_SELECT: 734 /* no change necessary? */ 735 if (mc->un.mask == sc->sc_record_source) 736 return 0; 737 switch (mc->un.mask) { 738 case 1 << 0: /* CD */ 739 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK; 740 sc->sc_codecctl0 |= AWACS_INPUT_CD; 741 awacs_write_codec(sc, sc->sc_codecctl0); 742 break; 743 case 1 << 1: /* microphone */ 744 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK; 745 sc->sc_codecctl0 |= AWACS_INPUT_MICROPHONE; 746 awacs_write_codec(sc, sc->sc_codecctl0); 747 break; 748 case 1 << 2: /* line in */ 749 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK; 750 sc->sc_codecctl0 |= AWACS_INPUT_LINE; 751 awacs_write_codec(sc, sc->sc_codecctl0); 752 break; 753 default: /* invalid argument */ 754 return EINVAL; 755 } 756 sc->sc_record_source = mc->un.mask; 757 return 0; 758 759 case AWACS_VOL_INPUT: 760 sc->sc_codecctl0 &= ~0xff; 761 sc->sc_codecctl0 |= (l & 0xf0) | (r >> 4); 762 awacs_write_codec(sc, sc->sc_codecctl0); 763 return 0; 764 765 case AWACS_VOL_MONITOR: 766 awacs_set_loopthrough_volume(sc, l, r); 767 return 0; 768 769 #if NSGSMIX > 0 770 case AWACS_BASS: 771 awacs_set_bass(sc, l); 772 return 0; 773 774 case AWACS_TREBLE: 775 awacs_set_treble(sc, l); 776 return 0; 777 #endif 778 } 779 780 return ENXIO; 781 } 782 783 static int 784 awacs_get_port(void *h, mixer_ctrl_t *mc) 785 { 786 struct awacs_softc *sc; 787 int l, r, vol; 788 789 sc = h; 790 switch (mc->dev) { 791 case AWACS_OUTPUT_SELECT: 792 mc->un.mask = sc->sc_output_mask; 793 return 0; 794 795 case AWACS_VOL_MASTER: 796 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->vol_l; 797 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->vol_r; 798 return 0; 799 800 case AWACS_INPUT_SELECT: 801 mc->un.mask = sc->sc_record_source; 802 return 0; 803 804 case AWACS_VOL_INPUT: 805 vol = sc->sc_codecctl0 & 0xff; 806 l = (vol & 0xf0); 807 r = (vol & 0x0f) << 4; 808 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l; 809 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r; 810 return 0; 811 812 case AWACS_VOL_MONITOR: 813 vol = sc->sc_codecctl5 & 0x3cf; 814 l = (vol & 0x3c0) >> 6; 815 r = vol & 0xf; 816 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = (15 - l) << 4; 817 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = (15 - r) << 4; 818 return 0; 819 820 #if NSGSMIX > 0 821 case AWACS_BASS: 822 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_bass; 823 return 0; 824 825 case AWACS_TREBLE: 826 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_treble; 827 return 0; 828 #endif 829 830 default: 831 return ENXIO; 832 } 833 834 return 0; 835 } 836 837 static int 838 awacs_query_devinfo(void *h, mixer_devinfo_t *dip) 839 { 840 #if NSGSMIX > 0 841 struct awacs_softc *sc = h; 842 #endif 843 844 switch (dip->index) { 845 846 case AWACS_OUTPUT_SELECT: 847 dip->mixer_class = AWACS_OUTPUT_CLASS; 848 strcpy(dip->label.name, AudioNoutput); 849 dip->type = AUDIO_MIXER_SET; 850 dip->prev = dip->next = AUDIO_MIXER_LAST; 851 dip->un.s.num_mem = 2; 852 strcpy(dip->un.s.member[0].label.name, AudioNspeaker); 853 dip->un.s.member[0].mask = 1 << 0; 854 strcpy(dip->un.s.member[1].label.name, AudioNheadphone); 855 dip->un.s.member[1].mask = 1 << 1; 856 return 0; 857 858 case AWACS_VOL_MASTER: 859 dip->mixer_class = AWACS_OUTPUT_CLASS; 860 strcpy(dip->label.name, AudioNmaster); 861 dip->type = AUDIO_MIXER_VALUE; 862 dip->prev = dip->next = AUDIO_MIXER_LAST; 863 dip->un.v.num_channels = 2; 864 dip->un.v.delta = 16; 865 strcpy(dip->un.v.units.name, AudioNvolume); 866 return 0; 867 868 case AWACS_VOL_MONITOR: 869 dip->mixer_class = AWACS_MONITOR_CLASS; 870 strcpy(dip->label.name, AudioNmonitor); 871 dip->type = AUDIO_MIXER_VALUE; 872 dip->prev = dip->next = AUDIO_MIXER_LAST; 873 dip->un.v.num_channels = 2; 874 strcpy(dip->un.v.units.name, AudioNvolume); 875 return 0; 876 877 #if NSGSMIX > 0 878 case AWACS_BASS: 879 if (sc->sc_sgsmix == NULL) 880 return ENXIO; 881 dip->mixer_class = AWACS_OUTPUT_CLASS; 882 strcpy(dip->label.name, AudioNbass); 883 dip->type = AUDIO_MIXER_VALUE; 884 dip->prev = dip->next = AUDIO_MIXER_LAST; 885 dip->un.v.num_channels = 1; 886 strcpy(dip->un.v.units.name, AudioNbass); 887 return 0; 888 889 case AWACS_TREBLE: 890 if (sc->sc_sgsmix == NULL) 891 return ENXIO; 892 dip->mixer_class = AWACS_OUTPUT_CLASS; 893 strcpy(dip->label.name, AudioNtreble); 894 dip->type = AUDIO_MIXER_VALUE; 895 dip->prev = dip->next = AUDIO_MIXER_LAST; 896 dip->un.v.num_channels = 1; 897 strcpy(dip->un.v.units.name, AudioNtreble); 898 return 0; 899 #endif 900 901 case AWACS_INPUT_SELECT: 902 dip->mixer_class = AWACS_RECORD_CLASS; 903 strcpy(dip->label.name, AudioNsource); 904 dip->type = AUDIO_MIXER_SET; 905 dip->prev = dip->next = AUDIO_MIXER_LAST; 906 dip->un.s.num_mem = 3; 907 strcpy(dip->un.s.member[0].label.name, AudioNcd); 908 dip->un.s.member[0].mask = 1 << 0; 909 strcpy(dip->un.s.member[1].label.name, AudioNmicrophone); 910 dip->un.s.member[1].mask = 1 << 1; 911 strcpy(dip->un.s.member[2].label.name, AudioNline); 912 dip->un.s.member[2].mask = 1 << 2; 913 return 0; 914 915 case AWACS_VOL_INPUT: 916 dip->mixer_class = AWACS_RECORD_CLASS; 917 strcpy(dip->label.name, AudioNrecord); 918 dip->type = AUDIO_MIXER_VALUE; 919 dip->prev = dip->next = AUDIO_MIXER_LAST; 920 dip->un.v.num_channels = 2; 921 strcpy(dip->un.v.units.name, AudioNvolume); 922 return 0; 923 924 case AWACS_MONITOR_CLASS: 925 dip->mixer_class = AWACS_MONITOR_CLASS; 926 strcpy(dip->label.name, AudioCmonitor); 927 dip->type = AUDIO_MIXER_CLASS; 928 dip->next = dip->prev = AUDIO_MIXER_LAST; 929 return 0; 930 931 case AWACS_OUTPUT_CLASS: 932 dip->mixer_class = AWACS_OUTPUT_CLASS; 933 strcpy(dip->label.name, AudioCoutputs); 934 dip->type = AUDIO_MIXER_CLASS; 935 dip->next = dip->prev = AUDIO_MIXER_LAST; 936 return 0; 937 938 case AWACS_RECORD_CLASS: 939 dip->mixer_class = AWACS_RECORD_CLASS; 940 strcpy(dip->label.name, AudioCrecord); 941 dip->type = AUDIO_MIXER_CLASS; 942 dip->next = dip->prev = AUDIO_MIXER_LAST; 943 return 0; 944 } 945 946 return ENXIO; 947 } 948 949 static size_t 950 awacs_round_buffersize(void *h, int dir, size_t size) 951 { 952 953 if (size > 65536) 954 size = 65536; 955 return size; 956 } 957 958 static int 959 awacs_get_props(void *h) 960 { 961 962 return AUDIO_PROP_PLAYBACK | AUDIO_PROP_CAPTURE | 963 AUDIO_PROP_FULLDUPLEX; 964 } 965 966 static int 967 awacs_trigger_output(void *h, void *start, void *end, int bsize, 968 void (*intr)(void *), void *arg, 969 const audio_params_t *param) 970 { 971 struct awacs_softc *sc; 972 struct dbdma_command *cmd; 973 vaddr_t va; 974 int i, len, intmode; 975 976 DPRINTF("trigger_output %p %p 0x%x\n", start, end, bsize); 977 sc = h; 978 cmd = sc->sc_odmacmd; 979 sc->sc_ointr = intr; 980 sc->sc_oarg = arg; 981 sc->sc_opages = ((char *)end - (char *)start) / PAGE_SIZE; 982 983 #ifdef DIAGNOSTIC 984 if (sc->sc_opages > 16) 985 panic("awacs_trigger_output"); 986 #endif 987 988 va = (vaddr_t)start; 989 len = 0; 990 for (i = sc->sc_opages; i > 0; i--) { 991 len += PAGE_SIZE; 992 if (len < bsize) 993 intmode = DBDMA_INT_NEVER; 994 else { 995 len = 0; 996 intmode = DBDMA_INT_ALWAYS; 997 } 998 999 DBDMA_BUILD(cmd, DBDMA_CMD_OUT_MORE, 0, PAGE_SIZE, vtophys(va), 1000 intmode, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER); 1001 va += PAGE_SIZE; 1002 cmd++; 1003 } 1004 1005 DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0, 0, 1006 DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_ALWAYS); 1007 out32rb(&cmd->d_cmddep, vtophys((vaddr_t)sc->sc_odmacmd)); 1008 1009 dbdma_start(sc->sc_odma, sc->sc_odmacmd); 1010 1011 return 0; 1012 } 1013 1014 static int 1015 awacs_trigger_input(void *h, void *start, void *end, int bsize, 1016 void (*intr)(void *), void *arg, 1017 const audio_params_t *param) 1018 { 1019 1020 DPRINTF("awacs_trigger_input called\n"); 1021 return 1; 1022 } 1023 1024 static void 1025 awacs_get_locks(void *opaque, kmutex_t **intr, kmutex_t **thread) 1026 { 1027 struct awacs_softc *sc = opaque; 1028 1029 *intr = &sc->sc_intr_lock; 1030 *thread = &sc->sc_lock; 1031 } 1032 1033 static void 1034 awacs_select_output(struct awacs_softc *sc, int mask) 1035 { 1036 1037 #if NSGSMIX > 0 1038 if (sc->sc_sgsmix) { 1039 if (mask & OUTPUT_HEADPHONES) { 1040 /* mute speakers */ 1041 sgsmix_set_speaker_vol(sc->sc_sgsmix, 0, 0); 1042 sgsmix_set_headphone_vol(sc->sc_sgsmix, 1043 sc->vol_l, sc->vol_r); 1044 } 1045 if (mask & OUTPUT_SPEAKER) { 1046 /* mute headphones */ 1047 sgsmix_set_speaker_vol(sc->sc_sgsmix, 1048 sc->vol_l, sc->vol_r); 1049 sgsmix_set_headphone_vol(sc->sc_sgsmix, 0, 0); 1050 } 1051 } else { 1052 #endif 1053 sc->sc_codecctl1 |= AWACS_MUTE_SPEAKER | AWACS_MUTE_HEADPHONE; 1054 if ((sc->vol_l > 0) || (sc->vol_r > 0)) { 1055 if (mask & OUTPUT_SPEAKER) 1056 sc->sc_codecctl1 &= ~AWACS_MUTE_SPEAKER; 1057 if (mask & OUTPUT_HEADPHONES) 1058 sc->sc_codecctl1 &= ~AWACS_MUTE_HEADPHONE; 1059 } 1060 awacs_write_codec(sc, sc->sc_codecctl1); 1061 #if NSGSMIX > 0 1062 } 1063 #endif 1064 sc->sc_output_mask = mask; 1065 } 1066 1067 static void 1068 awacs_set_speaker_volume(struct awacs_softc *sc, int left, int right) 1069 { 1070 1071 #if NSGSMIX > 0 1072 if (sc->sc_sgsmix) { 1073 if (sc->sc_output_mask & OUTPUT_SPEAKER) 1074 sgsmix_set_speaker_vol(sc->sc_sgsmix, left, right); 1075 } else 1076 #endif 1077 { 1078 int lval; 1079 int rval; 1080 uint32_t codecctl = sc->sc_codecctl1; 1081 1082 lval = 15 - ((left & 0xf0) >> 4); 1083 rval = 15 - ((right & 0xf0) >> 4); 1084 DPRINTF("speaker_volume %d %d\n", lval, rval); 1085 1086 sc->sc_codecctl4 &= ~0x3cf; 1087 sc->sc_codecctl4 |= (lval << 6) | rval; 1088 awacs_write_codec(sc, sc->sc_codecctl4); 1089 if ((left == 0) && (right == 0)) { 1090 /* 1091 * max. attenuation doesn't mean silence so we need to 1092 * mute the output channel here 1093 */ 1094 codecctl |= AWACS_MUTE_SPEAKER; 1095 } else if (sc->sc_output_mask & OUTPUT_SPEAKER) { 1096 codecctl &= ~AWACS_MUTE_SPEAKER; 1097 } 1098 1099 if (codecctl != sc->sc_codecctl1) { 1100 1101 sc->sc_codecctl1 = codecctl; 1102 awacs_write_codec(sc, sc->sc_codecctl1); 1103 } 1104 } 1105 } 1106 1107 static void 1108 awacs_set_ext_volume(struct awacs_softc *sc, int left, int right) 1109 { 1110 1111 #if NSGSMIX > 0 1112 if (sc->sc_sgsmix) { 1113 if (sc->sc_output_mask & OUTPUT_HEADPHONES) 1114 sgsmix_set_headphone_vol(sc->sc_sgsmix, left, right); 1115 } else 1116 #endif 1117 { 1118 int lval; 1119 int rval; 1120 uint32_t codecctl = sc->sc_codecctl1; 1121 1122 lval = 15 - ((left & 0xf0) >> 4); 1123 rval = 15 - ((right & 0xf0) >> 4); 1124 DPRINTF("ext_volume %d %d\n", lval, rval); 1125 1126 sc->sc_codecctl2 &= ~0x3cf; 1127 sc->sc_codecctl2 |= (lval << 6) | rval; 1128 awacs_write_codec(sc, sc->sc_codecctl2); 1129 1130 if ((left == 0) && (right == 0)) { 1131 /* 1132 * max. attenuation doesn't mean silence so we need to 1133 * mute the output channel here 1134 */ 1135 codecctl |= AWACS_MUTE_HEADPHONE; 1136 } else if (sc->sc_output_mask & OUTPUT_HEADPHONES) { 1137 1138 codecctl &= ~AWACS_MUTE_HEADPHONE; 1139 } 1140 1141 if (codecctl != sc->sc_codecctl1) { 1142 1143 sc->sc_codecctl1 = codecctl; 1144 awacs_write_codec(sc, sc->sc_codecctl1); 1145 } 1146 } 1147 } 1148 1149 void 1150 awacs_set_volume(struct awacs_softc *sc, int left, int right) 1151 { 1152 1153 awacs_set_ext_volume(sc, left, right); 1154 awacs_set_speaker_volume(sc, left, right); 1155 1156 sc->vol_l = left; 1157 sc->vol_r = right; 1158 } 1159 1160 #if NSGSMIX > 0 1161 static void 1162 awacs_set_bass(struct awacs_softc *sc, int bass) 1163 { 1164 1165 if (sc->sc_bass == bass) 1166 return; 1167 1168 sc->sc_bass = bass; 1169 if (sc->sc_sgsmix) 1170 sgsmix_set_bass_treble(sc->sc_sgsmix, sc->sc_bass, 1171 sc->sc_treble); 1172 } 1173 1174 static void 1175 awacs_set_treble(struct awacs_softc *sc, int treble) 1176 { 1177 1178 if (sc->sc_treble == treble) 1179 return; 1180 1181 sc->sc_treble = treble; 1182 if (sc->sc_sgsmix) 1183 sgsmix_set_bass_treble(sc->sc_sgsmix, sc->sc_bass, 1184 sc->sc_treble); 1185 } 1186 #endif 1187 1188 void 1189 awacs_set_loopthrough_volume(struct awacs_softc *sc, int left, int right) 1190 { 1191 int lval; 1192 int rval; 1193 1194 lval = 15 - ((left & 0xff) >> 4); 1195 rval = 15 - ((right & 0xff) >> 4); 1196 DPRINTF("loopthrough_volume %d %d\n", lval, rval); 1197 1198 sc->sc_codecctl5 &= ~0x3cf; 1199 sc->sc_codecctl5 |= (lval << 6) | rval; 1200 awacs_write_codec(sc, sc->sc_codecctl5); 1201 } 1202 1203 int 1204 awacs_set_rate(struct awacs_softc *sc, const audio_params_t *p) 1205 { 1206 int c; 1207 1208 switch (p->sample_rate) { 1209 case 44100: 1210 c = AWACS_RATE_44100; 1211 break; 1212 case 29400: 1213 c = AWACS_RATE_29400; 1214 break; 1215 case 22050: 1216 c = AWACS_RATE_22050; 1217 break; 1218 case 17640: 1219 c = AWACS_RATE_17640; 1220 break; 1221 case 14700: 1222 c = AWACS_RATE_14700; 1223 break; 1224 case 11025: 1225 c = AWACS_RATE_11025; 1226 break; 1227 case 8820: 1228 c = AWACS_RATE_8820; 1229 break; 1230 case 7350: 1231 c = AWACS_RATE_7350; 1232 break; 1233 default: 1234 return -1; 1235 } 1236 1237 sc->sc_soundctl &= ~AWACS_RATE_MASK; 1238 sc->sc_soundctl |= c; 1239 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl); 1240 1241 return 0; 1242 } 1243 1244 static int 1245 awacs_check_headphones(struct awacs_softc *sc) 1246 { 1247 uint32_t reg; 1248 reg = awacs_read_reg(sc, AWACS_CODEC_STATUS); 1249 DPRINTF("%s: codec status reg %08x\n", device_xname(sc->sc_dev), reg); 1250 return ((reg & sc->sc_headphones_mask) == sc->sc_headphones_in); 1251 } 1252 1253 static int 1254 awacs_status_intr(void *cookie) 1255 { 1256 struct awacs_softc *sc = cookie; 1257 int mask; 1258 1259 mutex_spin_enter(&sc->sc_intr_lock); 1260 mask = awacs_check_headphones(sc) ? OUTPUT_HEADPHONES : OUTPUT_SPEAKER; 1261 if (mask != sc->sc_output_mask) { 1262 1263 sc->sc_output_wanted = mask; 1264 cv_signal(&sc->sc_event); 1265 } 1266 /* clear the interrupt */ 1267 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl | AWACS_PORTCHG); 1268 mutex_spin_exit(&sc->sc_intr_lock); 1269 return 1; 1270 } 1271 1272 static void 1273 awacs_thread(void *cookie) 1274 { 1275 struct awacs_softc *sc = cookie; 1276 1277 mutex_enter(&sc->sc_intr_lock); 1278 while (1) { 1279 cv_timedwait(&sc->sc_event, &sc->sc_intr_lock, hz); 1280 if (sc->sc_output_wanted == sc->sc_output_mask) 1281 continue; 1282 1283 awacs_select_output(sc, sc->sc_output_wanted); 1284 DPRINTF("%s: switching to %s\n", device_xname(sc->sc_dev), 1285 (sc->sc_output_wanted & OUTPUT_SPEAKER) ? 1286 "speaker" : "headphones"); 1287 } 1288 } 1289
Indexes created Wed Oct 22 13:09:56 GMT 2025