gcscaudio.c revision 1.7.4.3
1 /* $NetBSD: gcscaudio.c,v 1.7.4.3 2011/11/20 11:10:16 jmcneill Exp $ */ 2 3 /*- 4 * Copyright (c) 2008 SHIMIZU Ryo <ryo (at) nerv.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: gcscaudio.c,v 1.7.4.3 2011/11/20 11:10:16 jmcneill Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/kmem.h> 35 #include <sys/device.h> 36 #include <sys/queue.h> 37 38 #include <dev/pci/pcidevs.h> 39 #include <dev/pci/pcivar.h> 40 41 #include <sys/audioio.h> 42 #include <dev/audio_if.h> 43 #include <dev/mulaw.h> 44 #include <dev/auconv.h> 45 #include <dev/ic/ac97reg.h> 46 #include <dev/ic/ac97var.h> 47 48 #include <dev/pci/gcscaudioreg.h> 49 50 51 #define GCSCAUDIO_NPRDTABLE 256 /* including a JMP-PRD for loop */ 52 #define GCSCAUDIO_PRD_SIZE_MAX 65532 /* limited by CS5536 Controller */ 53 #define GCSCAUDIO_BUFSIZE_MAX (GCSCAUDIO_PRD_SIZE_MAX * (GCSCAUDIO_NPRDTABLE - 1)) 54 55 struct gcscaudio_prd { 56 /* PRD table for play/rec */ 57 struct gcscaudio_prdtables { 58 #define PRD_TABLE_FRONT 0 59 #define PRD_TABLE_SURR 1 60 #define PRD_TABLE_CENTER 2 61 #define PRD_TABLE_LFE 3 62 #define PRD_TABLE_REC 4 63 #define PRD_TABLE_MAX 5 64 struct acc_prd prdtbl[PRD_TABLE_MAX][GCSCAUDIO_NPRDTABLE]; 65 } *p_prdtables; 66 bus_dmamap_t p_prdmap; 67 bus_dma_segment_t p_prdsegs[1]; 68 int p_prdnseg; 69 }; 70 71 struct gcscaudio_dma { 72 LIST_ENTRY(gcscaudio_dma) list; 73 bus_dmamap_t map; 74 void *addr; 75 size_t size; 76 bus_dma_segment_t segs[1]; 77 int nseg; 78 }; 79 80 struct gcscaudio_softc_ch { 81 void (*ch_intr)(void *); 82 void *ch_intr_arg; 83 struct audio_params ch_params; 84 }; 85 86 struct gcscaudio_softc { 87 struct device sc_dev; 88 kmutex_t sc_lock; 89 kmutex_t sc_intr_lock; 90 pci_chipset_tag_t sc_pc; 91 pcitag_t sc_pt; 92 void *sc_ih; 93 bus_space_tag_t sc_iot; 94 bus_space_handle_t sc_ioh; 95 bus_size_t sc_ios; 96 bus_dma_tag_t sc_dmat; 97 98 /* allocated DMA buffer list */ 99 LIST_HEAD(, gcscaudio_dma) sc_dmalist; 100 101 #define GCSCAUDIO_MAXFORMATS 4 102 struct audio_format sc_formats[GCSCAUDIO_MAXFORMATS]; 103 int sc_nformats; 104 struct audio_encoding_set *sc_encodings; 105 106 /* AC97 codec */ 107 struct ac97_host_if host_if; 108 struct ac97_codec_if *codec_if; 109 110 /* input, output channels */ 111 struct gcscaudio_softc_ch sc_play; 112 struct gcscaudio_softc_ch sc_rec; 113 struct gcscaudio_prd sc_prd; 114 115 /* multi channel splitter work; {4,6}ch stream to {2,4} DMA buffers */ 116 void *sc_mch_split_buf; 117 void *sc_mch_split_start; 118 int sc_mch_split_off; 119 int sc_mch_split_size; 120 int sc_mch_split_blksize; 121 void (*sc_mch_splitter)(void *, void *, int, int); 122 bool sc_spdif; 123 }; 124 125 /* for cfattach */ 126 static int gcscaudio_match(device_t, cfdata_t, void *); 127 static void gcscaudio_attach(device_t, device_t, void *); 128 129 /* for audio_hw_if */ 130 static int gcscaudio_open(void *, int); 131 static void gcscaudio_close(void *); 132 static int gcscaudio_query_encoding(void *, struct audio_encoding *); 133 static int gcscaudio_set_params(void *, int, int, audio_params_t *, 134 audio_params_t *, stream_filter_list_t *, 135 stream_filter_list_t *); 136 static int gcscaudio_round_blocksize(void *, int, int, const audio_params_t *); 137 static int gcscaudio_halt_output(void *); 138 static int gcscaudio_halt_input(void *); 139 static int gcscaudio_getdev(void *, struct audio_device *); 140 static int gcscaudio_set_port(void *, mixer_ctrl_t *); 141 static int gcscaudio_get_port(void *, mixer_ctrl_t *); 142 static int gcscaudio_query_devinfo(void *, mixer_devinfo_t *); 143 static void *gcscaudio_malloc(void *, int, size_t); 144 static void gcscaudio_free(void *, void *, size_t); 145 static size_t gcscaudio_round_buffersize(void *, int, size_t); 146 static paddr_t gcscaudio_mappage(void *, void *, off_t, int); 147 static int gcscaudio_get_props(void *); 148 static int gcscaudio_trigger_output(void *, void *, void *, int, 149 void (*)(void *), void *, 150 const audio_params_t *); 151 static int gcscaudio_trigger_input(void *, void *, void *, int, 152 void (*)(void *), void *, 153 const audio_params_t *); 154 static void gcscaudio_get_locks(void *, kmutex_t **, kmutex_t **); 155 static bool gcscaudio_resume(device_t, const pmf_qual_t *); 156 static int gcscaudio_intr(void *); 157 158 /* for codec_if */ 159 static int gcscaudio_attach_codec(void *, struct ac97_codec_if *); 160 static int gcscaudio_write_codec(void *, uint8_t, uint16_t); 161 static int gcscaudio_read_codec(void *, uint8_t, uint16_t *); 162 static int gcscaudio_reset_codec(void *); 163 static void gcscaudio_spdif_event_codec(void *, bool); 164 165 /* misc */ 166 static int gcscaudio_append_formats(struct gcscaudio_softc *, 167 const struct audio_format *); 168 static int gcscaudio_wait_ready_codec(struct gcscaudio_softc *sc, const char *); 169 static int gcscaudio_set_params_ch(struct gcscaudio_softc *, 170 struct gcscaudio_softc_ch *, int, 171 audio_params_t *, stream_filter_list_t *); 172 static int gcscaudio_allocate_dma(struct gcscaudio_softc *, size_t, void **, 173 bus_dma_segment_t *, int, int *, 174 bus_dmamap_t *); 175 176 177 CFATTACH_DECL(gcscaudio, sizeof (struct gcscaudio_softc), 178 gcscaudio_match, gcscaudio_attach, NULL, NULL); 179 180 181 static struct audio_device gcscaudio_device = { 182 "AMD Geode CS5536", 183 "", 184 "gcscaudio" 185 }; 186 187 static const struct audio_hw_if gcscaudio_hw_if = { 188 .open = gcscaudio_open, 189 .close = gcscaudio_close, 190 .drain = NULL, 191 .query_encoding = gcscaudio_query_encoding, 192 .set_params = gcscaudio_set_params, 193 .round_blocksize = gcscaudio_round_blocksize, 194 .commit_settings = NULL, 195 .init_output = NULL, 196 .init_input = NULL, 197 .start_output = NULL, 198 .start_input = NULL, 199 .halt_output = gcscaudio_halt_output, 200 .halt_input = gcscaudio_halt_input, 201 .speaker_ctl = NULL, 202 .getdev = gcscaudio_getdev, 203 .setfd = NULL, 204 .set_port = gcscaudio_set_port, 205 .get_port = gcscaudio_get_port, 206 .query_devinfo = gcscaudio_query_devinfo, 207 .allocm = gcscaudio_malloc, 208 .freem = gcscaudio_free, 209 .round_buffersize = gcscaudio_round_buffersize, 210 .mappage = gcscaudio_mappage, 211 .get_props = gcscaudio_get_props, 212 .trigger_output = gcscaudio_trigger_output, 213 .trigger_input = gcscaudio_trigger_input, 214 .dev_ioctl = NULL, 215 .powerstate = NULL, 216 .get_locks = gcscaudio_get_locks, 217 }; 218 219 static const struct audio_format gcscaudio_formats_2ch = { 220 NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 221 2, AUFMT_STEREO, 0, {8000, 48000} 222 }; 223 224 static const struct audio_format gcscaudio_formats_4ch = { 225 NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 226 4, AUFMT_SURROUND4, 0, {8000, 48000} 227 }; 228 229 static const struct audio_format gcscaudio_formats_6ch = { 230 NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 231 6, AUFMT_DOLBY_5_1, 0, {8000, 48000} 232 }; 233 234 static int 235 gcscaudio_match(device_t parent, cfdata_t match, void *aux) 236 { 237 struct pci_attach_args *pa; 238 239 pa = (struct pci_attach_args *)aux; 240 if ((PCI_VENDOR(pa->pa_id) == PCI_VENDOR_AMD) && 241 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_AMD_CS5536_AUDIO)) 242 return 1; 243 244 return 0; 245 } 246 247 static int 248 gcscaudio_append_formats(struct gcscaudio_softc *sc, 249 const struct audio_format *format) 250 { 251 if (sc->sc_nformats >= GCSCAUDIO_MAXFORMATS) { 252 aprint_error_dev(&sc->sc_dev, "too many formats\n"); 253 return EINVAL; 254 } 255 sc->sc_formats[sc->sc_nformats++] = *format; 256 return 0; 257 } 258 259 static void 260 gcscaudio_attach(device_t parent, device_t self, void *aux) 261 { 262 struct gcscaudio_softc *sc; 263 struct pci_attach_args *pa; 264 const char *intrstr; 265 pci_intr_handle_t ih; 266 int rc, i; 267 268 sc = device_private(self); 269 270 aprint_naive(": Audio controller\n"); 271 272 pa = aux; 273 sc->sc_pc = pa->pa_pc; 274 sc->sc_pt = pa->pa_tag; 275 sc->sc_dmat = pa->pa_dmat; 276 LIST_INIT(&sc->sc_dmalist); 277 sc->sc_mch_split_buf = NULL; 278 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE); 279 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_SCHED); 280 281 aprint_normal(": AMD Geode CS5536 Audio\n"); 282 283 if (pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0, 284 &sc->sc_iot, &sc->sc_ioh, NULL, &sc->sc_ios)) { 285 aprint_error_dev(&sc->sc_dev, "can't map i/o space\n"); 286 return; 287 } 288 289 if (pci_intr_map(pa, &ih)) { 290 aprint_error_dev(&sc->sc_dev, "couldn't map interrupt\n"); 291 goto attach_failure_unmap; 292 } 293 intrstr = pci_intr_string(sc->sc_pc, ih); 294 295 sc->sc_ih = pci_intr_establish(sc->sc_pc, ih, IPL_SCHED, 296 gcscaudio_intr, sc); 297 if (sc->sc_ih == NULL) { 298 aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt"); 299 if (intrstr != NULL) 300 aprint_error(" at %s", intrstr); 301 aprint_error("\n"); 302 goto attach_failure_unmap; 303 } 304 305 aprint_normal_dev(&sc->sc_dev, "interrupting at %s\n", intrstr); 306 307 308 if (gcscaudio_allocate_dma(sc, sizeof(*sc->sc_prd.p_prdtables), 309 (void **)&(sc->sc_prd.p_prdtables), sc->sc_prd.p_prdsegs, 1, 310 &(sc->sc_prd.p_prdnseg), &(sc->sc_prd.p_prdmap)) != 0) 311 goto attach_failure_intr; 312 313 sc->host_if.arg = sc; 314 sc->host_if.attach = gcscaudio_attach_codec; 315 sc->host_if.read = gcscaudio_read_codec; 316 sc->host_if.write = gcscaudio_write_codec; 317 sc->host_if.reset = gcscaudio_reset_codec; 318 sc->host_if.spdif_event = gcscaudio_spdif_event_codec; 319 320 if ((rc = ac97_attach(&sc->host_if, self, &sc->sc_lock)) != 0) { 321 aprint_error_dev(&sc->sc_dev, 322 "can't attach codec (error=%d)\n", rc); 323 goto attach_failure_intr; 324 } 325 326 if (!pmf_device_register(self, NULL, gcscaudio_resume)) 327 aprint_error_dev(self, "couldn't establish power handler\n"); 328 329 330 sc->sc_nformats = 0; 331 gcscaudio_append_formats(sc, &gcscaudio_formats_2ch); 332 if (AC97_IS_4CH(sc->codec_if)) 333 gcscaudio_append_formats(sc, &gcscaudio_formats_4ch); 334 if (AC97_IS_6CH(sc->codec_if)) 335 gcscaudio_append_formats(sc, &gcscaudio_formats_6ch); 336 if (AC97_IS_FIXED_RATE(sc->codec_if)) { 337 for (i = 0; i < sc->sc_nformats; i++) { 338 sc->sc_formats[i].frequency_type = 1; 339 sc->sc_formats[i].frequency[0] = 48000; 340 } 341 } 342 343 if ((rc = auconv_create_encodings(sc->sc_formats, sc->sc_nformats, 344 &sc->sc_encodings)) != 0) { 345 aprint_error_dev(self, 346 "auconv_create_encoding: error=%d\n", rc); 347 goto attach_failure_codec; 348 } 349 350 audio_attach_mi(&gcscaudio_hw_if, sc, &sc->sc_dev); 351 sc->codec_if->vtbl->unlock(sc->codec_if); 352 return; 353 354 attach_failure_codec: 355 sc->codec_if->vtbl->detach(sc->codec_if); 356 attach_failure_intr: 357 pci_intr_disestablish(sc->sc_pc, sc->sc_ih); 358 attach_failure_unmap: 359 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 360 return; 361 } 362 363 static int 364 gcscaudio_attach_codec(void *arg, struct ac97_codec_if *codec_if) 365 { 366 struct gcscaudio_softc *sc; 367 368 sc = (struct gcscaudio_softc *)arg; 369 sc->codec_if = codec_if; 370 return 0; 371 } 372 373 static int 374 gcscaudio_reset_codec(void *arg) 375 { 376 struct gcscaudio_softc *sc; 377 sc = (struct gcscaudio_softc *)arg; 378 379 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_CODEC_CNTL, 380 ACC_CODEC_CNTL_LNK_WRM_RST | 381 ACC_CODEC_CNTL_CMD_NEW); 382 383 if (gcscaudio_wait_ready_codec(sc, "reset timeout\n")) 384 return 1; 385 386 return 0; 387 } 388 389 static void 390 gcscaudio_spdif_event_codec(void *arg, bool flag) 391 { 392 struct gcscaudio_softc *sc; 393 394 sc = (struct gcscaudio_softc *)arg; 395 sc->sc_spdif = flag; 396 } 397 398 static int 399 gcscaudio_wait_ready_codec(struct gcscaudio_softc *sc, const char *timeout_msg) 400 { 401 int i; 402 403 #define GCSCAUDIO_WAIT_READY_CODEC_TIMEOUT 500 404 for (i = GCSCAUDIO_WAIT_READY_CODEC_TIMEOUT; (i >= 0) && 405 (bus_space_read_4(sc->sc_iot, sc->sc_ioh, ACC_CODEC_CNTL) & 406 ACC_CODEC_CNTL_CMD_NEW); i--) 407 delay(1); 408 409 if (i < 0) { 410 aprint_error_dev(&sc->sc_dev, "%s", timeout_msg); 411 return 1; 412 } 413 414 return 0; 415 } 416 417 static int 418 gcscaudio_write_codec(void *arg, uint8_t reg, uint16_t val) 419 { 420 struct gcscaudio_softc *sc; 421 422 sc = (struct gcscaudio_softc *)arg; 423 424 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_CODEC_CNTL, 425 ACC_CODEC_CNTL_WRITE_CMD | 426 ACC_CODEC_CNTL_CMD_NEW | 427 ACC_CODEC_REG2ADDR(reg) | 428 (val & ACC_CODEC_CNTL_CMD_DATA_MASK)); 429 430 if (gcscaudio_wait_ready_codec(sc, "codec write timeout\n")) 431 return 1; 432 433 #ifdef GCSCAUDIO_CODEC_DEBUG 434 aprint_error_dev(&sc->sc_dev, "codec write: reg=0x%02x, val=0x%04x\n", 435 reg, val); 436 #endif 437 438 return 0; 439 } 440 441 static int 442 gcscaudio_read_codec(void *arg, uint8_t reg, uint16_t *val) 443 { 444 struct gcscaudio_softc *sc; 445 uint32_t v; 446 int i; 447 448 sc = (struct gcscaudio_softc *)arg; 449 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_CODEC_CNTL, 450 ACC_CODEC_CNTL_READ_CMD | ACC_CODEC_CNTL_CMD_NEW | 451 ACC_CODEC_REG2ADDR(reg)); 452 453 if (gcscaudio_wait_ready_codec(sc, "codec write timeout for reading")) 454 return 1; 455 456 #define GCSCAUDIO_READ_CODEC_TIMEOUT 50 457 for (i = GCSCAUDIO_READ_CODEC_TIMEOUT; i >= 0; i--) { 458 v = bus_space_read_4(sc->sc_iot, sc->sc_ioh, ACC_CODEC_STATUS); 459 if ((v & ACC_CODEC_STATUS_STS_NEW) && 460 (ACC_CODEC_ADDR2REG(v) == reg)) 461 break; 462 463 delay(10); 464 } 465 466 if (i < 0) { 467 aprint_error_dev(&sc->sc_dev, "codec read timeout\n"); 468 return 1; 469 } 470 471 #ifdef GCSCAUDIO_CODEC_DEBUG 472 aprint_error_dev(&sc->sc_dev, "codec read: reg=0x%02x, val=0x%04x\n", 473 reg, v & ACC_CODEC_STATUS_STS_DATA_MASK); 474 #endif 475 476 *val = v; 477 return 0; 478 } 479 480 static int 481 gcscaudio_open(void *arg, int flags) 482 { 483 struct gcscaudio_softc *sc; 484 485 sc = (struct gcscaudio_softc *)arg; 486 sc->codec_if->vtbl->lock(sc->codec_if); 487 return 0; 488 } 489 490 static void 491 gcscaudio_close(void *arg) 492 { 493 struct gcscaudio_softc *sc; 494 495 sc = (struct gcscaudio_softc *)arg; 496 sc->codec_if->vtbl->unlock(sc->codec_if); 497 } 498 499 static int 500 gcscaudio_query_encoding(void *arg, struct audio_encoding *fp) 501 { 502 struct gcscaudio_softc *sc; 503 504 sc = (struct gcscaudio_softc *)arg; 505 return auconv_query_encoding(sc->sc_encodings, fp); 506 } 507 508 static int 509 gcscaudio_set_params_ch(struct gcscaudio_softc *sc, 510 struct gcscaudio_softc_ch *ch, int mode, 511 audio_params_t *p, stream_filter_list_t *fil) 512 { 513 int error, idx; 514 515 if ((p->sample_rate < 8000) || (p->sample_rate > 48000)) 516 return EINVAL; 517 518 if (p->precision != 8 && p->precision != 16) 519 return EINVAL; 520 521 if ((idx = auconv_set_converter(sc->sc_formats, sc->sc_nformats, 522 mode, p, TRUE, fil)) < 0) 523 return EINVAL; 524 525 if (fil->req_size > 0) 526 p = &fil->filters[0].param; 527 528 if (mode == AUMODE_PLAY) { 529 if (!AC97_IS_FIXED_RATE(sc->codec_if)) { 530 /* setup rate of DAC/ADC */ 531 if ((error = sc->codec_if->vtbl->set_rate(sc->codec_if, 532 AC97_REG_PCM_LR_ADC_RATE, &p->sample_rate)) != 0) 533 return error; 534 535 /* additional rate of DAC for Surround */ 536 if ((p->channels >= 4) && 537 (error = sc->codec_if->vtbl->set_rate(sc->codec_if, 538 AC97_REG_PCM_SURR_DAC_RATE, &p->sample_rate)) != 0) 539 return error; 540 541 /* additional rate of DAC for LowFrequencyEffect */ 542 if ((p->channels == 6) && 543 (error = sc->codec_if->vtbl->set_rate(sc->codec_if, 544 AC97_REG_PCM_LFE_DAC_RATE, &p->sample_rate)) != 0) 545 return error; 546 } 547 } 548 549 if (mode == AUMODE_RECORD) { 550 if (!AC97_IS_FIXED_RATE(sc->codec_if)) { 551 /* setup rate of DAC/ADC */ 552 if ((error = sc->codec_if->vtbl->set_rate(sc->codec_if, 553 AC97_REG_PCM_FRONT_DAC_RATE, &p->sample_rate)) != 0) 554 return error; 555 } 556 } 557 558 ch->ch_params = *p; 559 return 0; 560 } 561 562 static int 563 gcscaudio_set_params(void *arg, int setmode, int usemode, 564 audio_params_t *play, audio_params_t *rec, 565 stream_filter_list_t *pfil, stream_filter_list_t *rfil) 566 { 567 struct gcscaudio_softc *sc; 568 int error; 569 570 sc = (struct gcscaudio_softc *)arg; 571 572 if (setmode & AUMODE_PLAY) { 573 if ((error = gcscaudio_set_params_ch(sc, &sc->sc_play, 574 AUMODE_PLAY, play, pfil)) != 0) 575 return error; 576 } 577 if (setmode & AUMODE_RECORD) { 578 if ((error = gcscaudio_set_params_ch(sc, &sc->sc_rec, 579 AUMODE_RECORD, rec, rfil)) != 0) 580 return error; 581 } 582 583 return 0; 584 } 585 586 static int 587 gcscaudio_round_blocksize(void *arg, int blk, int mode, 588 const audio_params_t *param) 589 { 590 blk &= -4; 591 if (blk > GCSCAUDIO_PRD_SIZE_MAX) 592 blk = GCSCAUDIO_PRD_SIZE_MAX; 593 594 return blk; 595 } 596 597 static int 598 gcscaudio_halt_output(void *arg) 599 { 600 struct gcscaudio_softc *sc; 601 602 sc = (struct gcscaudio_softc *)arg; 603 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM0_CMD, 604 ACC_BMx_CMD_BM_CTL_DISABLE); 605 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM4_CMD, 606 ACC_BMx_CMD_BM_CTL_DISABLE); 607 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM6_CMD, 608 ACC_BMx_CMD_BM_CTL_DISABLE); 609 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM7_CMD, 610 ACC_BMx_CMD_BM_CTL_DISABLE); 611 sc->sc_play.ch_intr = NULL; 612 613 /* channel splitter */ 614 sc->sc_mch_splitter = NULL; 615 if (sc->sc_mch_split_buf) 616 gcscaudio_free(sc, sc->sc_mch_split_buf, sc->sc_mch_split_size); 617 sc->sc_mch_split_buf = NULL; 618 619 return 0; 620 } 621 622 static int 623 gcscaudio_halt_input(void *arg) 624 { 625 struct gcscaudio_softc *sc; 626 627 sc = (struct gcscaudio_softc *)arg; 628 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM1_CMD, 629 ACC_BMx_CMD_BM_CTL_DISABLE); 630 sc->sc_rec.ch_intr = NULL; 631 return 0; 632 } 633 634 static int 635 gcscaudio_getdev(void *addr, struct audio_device *retp) 636 { 637 *retp = gcscaudio_device; 638 return 0; 639 } 640 641 static int 642 gcscaudio_set_port(void *addr, mixer_ctrl_t *cp) 643 { 644 struct gcscaudio_softc *sc; 645 646 sc = addr; 647 return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp); 648 } 649 650 static int 651 gcscaudio_get_port(void *addr, mixer_ctrl_t *cp) 652 { 653 struct gcscaudio_softc *sc; 654 655 sc = addr; 656 return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp); 657 } 658 659 static int 660 gcscaudio_query_devinfo(void *addr, mixer_devinfo_t *dip) 661 { 662 struct gcscaudio_softc *sc; 663 664 sc = addr; 665 return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip); 666 } 667 668 static void * 669 gcscaudio_malloc(void *arg, int direction, size_t size) 670 { 671 struct gcscaudio_softc *sc; 672 struct gcscaudio_dma *p; 673 int error; 674 675 sc = (struct gcscaudio_softc *)arg; 676 677 p = kmem_alloc(sizeof(*p), KM_SLEEP); 678 if (p == NULL) 679 return NULL; 680 p->size = size; 681 682 error = gcscaudio_allocate_dma(sc, size, &p->addr, 683 p->segs, sizeof(p->segs)/sizeof(p->segs[0]), &p->nseg, &p->map); 684 if (error) { 685 kmem_free(p, sizeof(*p)); 686 return NULL; 687 } 688 689 LIST_INSERT_HEAD(&sc->sc_dmalist, p, list); 690 return p->addr; 691 } 692 693 static void 694 gcscaudio_free(void *arg, void *ptr, size_t size) 695 { 696 struct gcscaudio_softc *sc; 697 struct gcscaudio_dma *p; 698 699 sc = (struct gcscaudio_softc *)arg; 700 701 LIST_FOREACH(p, &sc->sc_dmalist, list) { 702 if (p->addr == ptr) { 703 bus_dmamap_unload(sc->sc_dmat, p->map); 704 bus_dmamap_destroy(sc->sc_dmat, p->map); 705 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 706 bus_dmamem_free(sc->sc_dmat, p->segs, p->nseg); 707 708 LIST_REMOVE(p, list); 709 kmem_free(p, sizeof(*p)); 710 break; 711 } 712 } 713 } 714 715 static paddr_t 716 gcscaudio_mappage(void *arg, void *mem, off_t off, int prot) 717 { 718 struct gcscaudio_softc *sc; 719 struct gcscaudio_dma *p; 720 721 if (off < 0) 722 return -1; 723 724 sc = (struct gcscaudio_softc *)arg; 725 LIST_FOREACH(p, &sc->sc_dmalist, list) { 726 if (p->addr == mem) { 727 return bus_dmamem_mmap(sc->sc_dmat, p->segs, p->nseg, 728 off, prot, BUS_DMA_WAITOK); 729 } 730 } 731 732 return -1; 733 } 734 735 static size_t 736 gcscaudio_round_buffersize(void *addr, int direction, size_t size) 737 { 738 if (size > GCSCAUDIO_BUFSIZE_MAX) 739 size = GCSCAUDIO_BUFSIZE_MAX; 740 741 return size; 742 } 743 744 static int 745 gcscaudio_get_props(void *addr) 746 { 747 struct gcscaudio_softc *sc; 748 int props; 749 750 sc = (struct gcscaudio_softc *)addr; 751 props = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX; 752 /* 753 * Even if the codec is fixed-rate, set_param() succeeds for any sample 754 * rate because of aurateconv. Applications can't know what rate the 755 * device can process in the case of mmap(). 756 */ 757 if (!AC97_IS_FIXED_RATE(sc->codec_if)) 758 props |= AUDIO_PROP_MMAP; 759 return props; 760 } 761 762 static int 763 build_prdtables(struct gcscaudio_softc *sc, int prdidx, 764 void *addr, size_t size, int blksize, int blklen, int blkoff) 765 { 766 struct gcscaudio_dma *p; 767 struct acc_prd *prdp; 768 bus_addr_t paddr; 769 int i; 770 771 /* get physical address of start */ 772 paddr = (bus_addr_t)0; 773 LIST_FOREACH(p, &sc->sc_dmalist, list) { 774 if (p->addr == addr) { 775 paddr = p->map->dm_segs[0].ds_addr; 776 break; 777 } 778 } 779 if (!paddr) { 780 aprint_error_dev(&sc->sc_dev, 781 "bad addr %p\n", addr); 782 return EINVAL; 783 } 784 785 #define PRDADDR(prdidx,idx) \ 786 (sc->sc_prd.p_prdmap->dm_segs[0].ds_addr) + sizeof(struct acc_prd) * \ 787 (((prdidx) * GCSCAUDIO_NPRDTABLE) + (idx)) 788 789 /* 790 * build PRD table 791 * prdtbl[] = <PRD0>, <PRD1>, <PRD2>, ..., <PRDn>, <jmp to PRD0> 792 */ 793 prdp = sc->sc_prd.p_prdtables->prdtbl[prdidx]; 794 for (i = 0; size > 0; size -= blksize, i++) { 795 prdp[i].address = paddr + blksize * i + blkoff; 796 prdp[i].ctrlsize = 797 (size < blklen ? size : blklen) | ACC_BMx_PRD_CTRL_EOP; 798 } 799 prdp[i].address = PRDADDR(prdidx, 0); 800 prdp[i].ctrlsize = ACC_BMx_PRD_CTRL_JMP; 801 802 bus_dmamap_sync(sc->sc_dmat, sc->sc_prd.p_prdmap, 0, 803 sizeof(struct acc_prd) * i, BUS_DMASYNC_PREWRITE); 804 805 return 0; 806 } 807 808 static void 809 split_buffer_4ch(void *dst, void *src, int size, int blksize) 810 { 811 int left, i; 812 uint16_t *s, *d; 813 814 /* 815 * src[blk0]: L,R,SL,SR,L,R,SL,SR,L,R,SL,SR,.... 816 * src[blk1]: L,R,SL,SR,L,R,SL,SR,L,R,SL,SR,.... 817 * src[blk2]: L,R,SL,SR,L,R,SL,SR,L,R,SL,SR,.... 818 * : 819 * 820 * rearrange to 821 * 822 * src[blk0]: L,R,L,R,L,R,L,R,.. 823 * src[blk1]: L,R,L,R,L,R,L,R,.. 824 * src[blk2]: L,R,L,R,L,R,L,R,.. 825 * : 826 * dst[blk0]: SL,SR,SL,SR,SL,SR,SL,SR,.. 827 * dst[blk1]: SL,SR,SL,SR,SL,SR,SL,SR,.. 828 * dst[blk2]: SL,SR,SL,SR,SL,SR,SL,SR,.. 829 * : 830 */ 831 for (left = size; left > 0; left -= blksize) { 832 s = (uint16_t *)src; 833 d = (uint16_t *)dst; 834 for (i = 0; i < blksize / sizeof(uint16_t) / 4; i++) { 835 /* L,R,SL,SR -> SL,SR */ 836 s++; 837 s++; 838 *d++ = *s++; 839 *d++ = *s++; 840 } 841 842 s = (uint16_t *)src; 843 d = (uint16_t *)src; 844 for (i = 0; i < blksize / sizeof(uint16_t) / 2 / 2; i++) { 845 /* L,R,SL,SR -> L,R */ 846 *d++ = *s++; 847 *d++ = *s++; 848 s++; 849 s++; 850 } 851 852 src = (char *)src + blksize; 853 dst = (char *)dst + blksize; 854 } 855 } 856 857 static void 858 split_buffer_6ch(void *dst, void *src, int size, int blksize) 859 { 860 int left, i; 861 uint16_t *s, *d, *dc, *dl; 862 863 /* 864 * by default, treat as WAV style 5.1ch order 865 * 5.1ch(WAV): L R C LFE SL SR 866 * 5.1ch(AAC): C L R SL SR LFE 867 * : 868 */ 869 870 /* 871 * src[blk0]: L,R,C,LFE,SL,SR,L,R,C,LFE,SL,SR,... 872 * src[blk1]: L,R,C,LFE,SL,SR,L,R,C,LFE,SL,SR,... 873 * src[blk2]: L,R,C,LFE,SL,SR,L,R,C,LFE,SL,SR,... 874 * : 875 * src[N-1] : L,R,C,LFE,SL,SR,L,R,C,LFE,SL,SR,... 876 * 877 * rearrange to 878 * 879 * src[blk0]: L,R,L,R,.. 880 * src[blk1]: L,R,L,R,.. 881 * src[blk2]: L,R,L,R,.. 882 * : 883 * 884 * dst[blk0]: SL,SR,SL,SR,.. 885 * dst[blk1]: SL,SR,SL,SR,.. 886 * dst[blk2]: SL,SR,SL,SR,.. 887 * : 888 * 889 * dst[N/2+0]: C,C,C,.. 890 * dst[N/2+1]: C,C,C,.. 891 * : 892 * 893 * dst[N/2+N/4+0]: LFE,LFE,LFE,.. 894 * dst[N/2+N/4+1]: LFE,LFE,LFE,.. 895 * : 896 */ 897 898 for (left = size; left > 0; left -= blksize) { 899 s = (uint16_t *)src; 900 d = (uint16_t *)dst; 901 dc = (uint16_t *)((char *)dst + blksize / 2); 902 dl = (uint16_t *)((char *)dst + blksize / 2 + blksize / 4); 903 for (i = 0; i < blksize / sizeof(uint16_t) / 6; i++) { 904 #ifdef GCSCAUDIO_5_1CH_AAC_ORDER 905 /* 906 * AAC: [C,L,R,SL,SR,LFE] 907 * => [SL,SR] 908 * => [C] 909 * => [LFE] 910 */ 911 *dc++ = s[0]; /* C */ 912 *dl++ = s[5]; /* LFE */ 913 *d++ = s[3]; /* SL */ 914 *d++ = s[4]; /* SR */ 915 #else 916 /* 917 * WAV: [L,R,C,LFE,SL,SR] 918 * => [SL,SR] 919 * => [C] 920 * => [LFE] 921 */ 922 *dc++ = s[2]; /* C */ 923 *dl++ = s[3]; /* LFE */ 924 *d++ = s[4]; /* SL */ 925 *d++ = s[5]; /* SR */ 926 #endif 927 s += 6; 928 } 929 930 s = (uint16_t *)src; 931 d = (uint16_t *)src; 932 for (i = 0; i < blksize / sizeof(uint16_t) / 2 / 2; i++) { 933 #ifdef GCSCAUDIO_5_1CH_AAC_ORDER 934 /* AAC: [C,L,R,SL,SR,LFE] => [L,R] */ 935 *d++ = s[1]; 936 *d++ = s[2]; 937 #else 938 /* WAV: [L,R,C,LFE,SL,SR] => [L,R] */ 939 *d++ = s[0]; 940 *d++ = s[1]; 941 #endif 942 s += 6; 943 } 944 945 src = (char *)src + blksize; 946 dst = (char *)dst + blksize; 947 } 948 } 949 950 static void 951 channel_splitter(struct gcscaudio_softc *sc) 952 { 953 int splitsize, left; 954 void *src, *dst; 955 956 if (sc->sc_mch_splitter == NULL) 957 return; 958 959 left = sc->sc_mch_split_size - sc->sc_mch_split_off; 960 splitsize = sc->sc_mch_split_blksize; 961 if (left < splitsize) 962 splitsize = left; 963 964 src = (char *)sc->sc_mch_split_start + sc->sc_mch_split_off; 965 dst = (char *)sc->sc_mch_split_buf + sc->sc_mch_split_off; 966 967 sc->sc_mch_splitter(dst, src, splitsize, sc->sc_mch_split_blksize); 968 969 sc->sc_mch_split_off += sc->sc_mch_split_blksize; 970 if (sc->sc_mch_split_off >= sc->sc_mch_split_size) 971 sc->sc_mch_split_off = 0; 972 } 973 974 static int 975 gcscaudio_trigger_output(void *addr, void *start, void *end, int blksize, 976 void (*intr)(void *), void *arg, 977 const audio_params_t *param) 978 { 979 struct gcscaudio_softc *sc; 980 size_t size; 981 982 sc = (struct gcscaudio_softc *)addr; 983 sc->sc_play.ch_intr = intr; 984 sc->sc_play.ch_intr_arg = arg; 985 size = (char *)end - (char *)start; 986 987 switch (sc->sc_play.ch_params.channels) { 988 case 2: 989 if (build_prdtables(sc, PRD_TABLE_FRONT, start, size, blksize, 990 blksize, 0)) 991 return EINVAL; 992 993 if (!AC97_IS_4CH(sc->codec_if)) { 994 /* 995 * output 2ch PCM to FRONT.LR(BM0) 996 * 997 * 2ch: L,R,L,R,L,R,L,R,... => BM0: L,R,L,R,L,R,L,R,... 998 * 999 */ 1000 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM0_PRD, 1001 PRDADDR(PRD_TABLE_FRONT, 0)); 1002 1003 /* start DMA transfer */ 1004 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM0_CMD, 1005 ACC_BMx_CMD_WRITE | 1006 ACC_BMx_CMD_BYTE_ORD_EL | 1007 ACC_BMx_CMD_BM_CTL_ENABLE); 1008 } else { 1009 /* 1010 * output same PCM to FRONT.LR(BM0) and SURROUND.LR(BM6). 1011 * CENTER(BM4) and LFE(BM7) doesn't sound. 1012 * 1013 * 2ch: L,R,L,R,L,R,L,R,... => BM0: L,R,L,R,L,R,L,R,... 1014 * BM6: (same of BM0) 1015 * BM4: none 1016 * BM7: none 1017 */ 1018 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM0_PRD, 1019 PRDADDR(PRD_TABLE_FRONT, 0)); 1020 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM6_PRD, 1021 PRDADDR(PRD_TABLE_FRONT, 0)); 1022 1023 /* start DMA transfer */ 1024 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM0_CMD, 1025 ACC_BMx_CMD_WRITE | 1026 ACC_BMx_CMD_BYTE_ORD_EL | 1027 ACC_BMx_CMD_BM_CTL_ENABLE); 1028 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM6_CMD, 1029 ACC_BMx_CMD_WRITE | 1030 ACC_BMx_CMD_BYTE_ORD_EL | 1031 ACC_BMx_CMD_BM_CTL_ENABLE); 1032 } 1033 break; 1034 case 4: 1035 /* 1036 * output 4ch PCM split to FRONT.LR(BM0) and SURROUND.LR(BM6). 1037 * CENTER(BM4) and LFE(BM7) doesn't sound. 1038 * 1039 * rearrange ordered channel to continuous per channel 1040 * 1041 * 4ch: L,R,SL,SR,L,R,SL,SR,... => BM0: L,R,L,R,... 1042 * BM6: SL,SR,SL,SR,... 1043 * BM4: none 1044 * BM7: none 1045 */ 1046 if (sc->sc_mch_split_buf) 1047 gcscaudio_free(sc, sc->sc_mch_split_buf, 1048 sc->sc_mch_split_size); 1049 1050 if ((sc->sc_mch_split_buf = gcscaudio_malloc(sc, AUMODE_PLAY, 1051 size)) == NULL) 1052 return ENOMEM; 1053 1054 /* 1055 * 1st and 2nd blocks are split immediately. 1056 * Other blocks will be split synchronous with intr. 1057 */ 1058 split_buffer_4ch(sc->sc_mch_split_buf, start, blksize * 2, 1059 blksize); 1060 1061 sc->sc_mch_split_start = start; 1062 sc->sc_mch_split_size = size; 1063 sc->sc_mch_split_blksize = blksize; 1064 sc->sc_mch_split_off = (blksize * 2) % size; 1065 sc->sc_mch_splitter = split_buffer_4ch; /* split function */ 1066 1067 if (build_prdtables(sc, PRD_TABLE_FRONT, start, size, blksize, 1068 blksize / 2, 0)) 1069 return EINVAL; 1070 if (build_prdtables(sc, PRD_TABLE_SURR, sc->sc_mch_split_buf, 1071 size, blksize, blksize / 2, 0)) 1072 return EINVAL; 1073 1074 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM0_PRD, 1075 PRDADDR(PRD_TABLE_FRONT, 0)); 1076 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM6_PRD, 1077 PRDADDR(PRD_TABLE_SURR, 0)); 1078 1079 /* start DMA transfer */ 1080 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM0_CMD, 1081 ACC_BMx_CMD_WRITE | 1082 ACC_BMx_CMD_BYTE_ORD_EL | 1083 ACC_BMx_CMD_BM_CTL_ENABLE); 1084 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM6_CMD, 1085 ACC_BMx_CMD_WRITE | 1086 ACC_BMx_CMD_BYTE_ORD_EL | 1087 ACC_BMx_CMD_BM_CTL_ENABLE); 1088 break; 1089 case 6: 1090 /* 1091 * output 6ch PCM split to 1092 * FRONT.LR(BM0), SURROUND.LR(BM6), CENTER(BM4) and LFE(BM7) 1093 * 1094 * rearrange ordered channel to continuous per channel 1095 * 1096 * 5.1ch: L,R,C,LFE,SL,SR,... => BM0: L,R,... 1097 * BM4: C,... 1098 * BM6: SL,SR,... 1099 * BM7: LFE,... 1100 * 1101 */ 1102 if (sc->sc_mch_split_buf) 1103 gcscaudio_free(sc, sc->sc_mch_split_buf, 1104 sc->sc_mch_split_size); 1105 1106 if ((sc->sc_mch_split_buf = gcscaudio_malloc(sc, AUMODE_PLAY, 1107 size)) == NULL) 1108 return ENOMEM; 1109 1110 /* 1111 * 1st and 2nd blocks are split immediately. 1112 * Other block will be split synchronous with intr. 1113 */ 1114 split_buffer_6ch(sc->sc_mch_split_buf, start, blksize * 2, 1115 blksize); 1116 1117 sc->sc_mch_split_start = start; 1118 sc->sc_mch_split_size = size; 1119 sc->sc_mch_split_blksize = blksize; 1120 sc->sc_mch_split_off = (blksize * 2) % size; 1121 sc->sc_mch_splitter = split_buffer_6ch; /* split function */ 1122 1123 if (build_prdtables(sc, PRD_TABLE_FRONT, start, size, blksize, 1124 blksize / 3, 0)) 1125 return EINVAL; 1126 if (build_prdtables(sc, PRD_TABLE_CENTER, sc->sc_mch_split_buf, 1127 size, blksize, blksize / 3, blksize / 2)) 1128 return EINVAL; 1129 if (build_prdtables(sc, PRD_TABLE_SURR, sc->sc_mch_split_buf, 1130 size, blksize, blksize / 3, 0)) 1131 return EINVAL; 1132 if (build_prdtables(sc, PRD_TABLE_LFE, sc->sc_mch_split_buf, 1133 size, blksize, blksize / 3, blksize / 2 + blksize / 4)) 1134 return EINVAL; 1135 1136 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM0_PRD, 1137 PRDADDR(PRD_TABLE_FRONT, 0)); 1138 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM4_PRD, 1139 PRDADDR(PRD_TABLE_CENTER, 0)); 1140 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM6_PRD, 1141 PRDADDR(PRD_TABLE_SURR, 0)); 1142 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM7_PRD, 1143 PRDADDR(PRD_TABLE_LFE, 0)); 1144 1145 /* start DMA transfer */ 1146 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM0_CMD, 1147 ACC_BMx_CMD_WRITE | ACC_BMx_CMD_BYTE_ORD_EL | 1148 ACC_BMx_CMD_BM_CTL_ENABLE); 1149 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM4_CMD, 1150 ACC_BMx_CMD_WRITE | ACC_BMx_CMD_BYTE_ORD_EL | 1151 ACC_BMx_CMD_BM_CTL_ENABLE); 1152 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM6_CMD, 1153 ACC_BMx_CMD_WRITE | ACC_BMx_CMD_BYTE_ORD_EL | 1154 ACC_BMx_CMD_BM_CTL_ENABLE); 1155 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM7_CMD, 1156 ACC_BMx_CMD_WRITE | ACC_BMx_CMD_BYTE_ORD_EL | 1157 ACC_BMx_CMD_BM_CTL_ENABLE); 1158 break; 1159 } 1160 1161 return 0; 1162 } 1163 1164 static int 1165 gcscaudio_trigger_input(void *addr, void *start, void *end, int blksize, 1166 void (*intr)(void *), void *arg, 1167 const audio_params_t *param) 1168 { 1169 struct gcscaudio_softc *sc; 1170 size_t size; 1171 1172 sc = (struct gcscaudio_softc *)addr; 1173 sc->sc_rec.ch_intr = intr; 1174 sc->sc_rec.ch_intr_arg = arg; 1175 size = (char *)end - (char *)start; 1176 1177 if (build_prdtables(sc, PRD_TABLE_REC, start, size, blksize, blksize, 0)) 1178 return EINVAL; 1179 1180 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM1_PRD, 1181 PRDADDR(PRD_TABLE_REC, 0)); 1182 1183 /* start transfer */ 1184 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM1_CMD, 1185 ACC_BMx_CMD_READ | 1186 ACC_BMx_CMD_BYTE_ORD_EL | 1187 ACC_BMx_CMD_BM_CTL_ENABLE); 1188 1189 return 0; 1190 } 1191 1192 static void 1193 gcscaudio_get_locks(void *arg, kmutex_t **intr, kmutex_t **thread) 1194 { 1195 struct gcscaudio_softc *sc; 1196 1197 sc = (struct gcscaudio_softc *)arg; 1198 1199 *intr = &sc->sc_intr_lock; 1200 *thread = &sc->sc_lock; 1201 } 1202 1203 static int 1204 gcscaudio_intr(void *arg) 1205 { 1206 struct gcscaudio_softc *sc; 1207 uint16_t intr; 1208 uint8_t bmstat; 1209 int nintr; 1210 1211 nintr = 0; 1212 sc = (struct gcscaudio_softc *)arg; 1213 1214 mutex_spin_enter(&sc->sc_intr_lock); 1215 1216 intr = bus_space_read_2(sc->sc_iot, sc->sc_ioh, ACC_IRQ_STATUS); 1217 if (intr == 0) 1218 goto done; 1219 1220 /* Front output */ 1221 if (intr & ACC_IRQ_STATUS_BM0_IRQ_STS) { 1222 bmstat = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ACC_BM0_STATUS); 1223 if (bmstat & ACC_BMx_STATUS_BM_EOP_ERR) 1224 aprint_normal_dev(&sc->sc_dev, "BM0: Bus Master Error\n"); 1225 if (!(bmstat & ACC_BMx_STATUS_EOP)) 1226 aprint_normal_dev(&sc->sc_dev, "BM0: NO End of Page?\n"); 1227 1228 if (sc->sc_play.ch_intr) { 1229 sc->sc_play.ch_intr(sc->sc_play.ch_intr_arg); 1230 channel_splitter(sc); 1231 } 1232 nintr++; 1233 } 1234 1235 /* Center output */ 1236 if (intr & ACC_IRQ_STATUS_BM4_IRQ_STS) { 1237 bmstat = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ACC_BM4_STATUS); 1238 if (bmstat & ACC_BMx_STATUS_BM_EOP_ERR) 1239 aprint_normal_dev(&sc->sc_dev, "BM4: Bus Master Error\n"); 1240 if (!(bmstat & ACC_BMx_STATUS_EOP)) 1241 aprint_normal_dev(&sc->sc_dev, "BM4: NO End of Page?\n"); 1242 1243 nintr++; 1244 } 1245 1246 /* Surround output */ 1247 if (intr & ACC_IRQ_STATUS_BM6_IRQ_STS) { 1248 bmstat = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ACC_BM6_STATUS); 1249 if (bmstat & ACC_BMx_STATUS_BM_EOP_ERR) 1250 aprint_normal_dev(&sc->sc_dev, "BM6: Bus Master Error\n"); 1251 if (!(bmstat & ACC_BMx_STATUS_EOP)) 1252 aprint_normal_dev(&sc->sc_dev, "BM6: NO End of Page?\n"); 1253 1254 nintr++; 1255 } 1256 1257 /* LowFrequencyEffect output */ 1258 if (intr & ACC_IRQ_STATUS_BM7_IRQ_STS) { 1259 bmstat = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ACC_BM7_STATUS); 1260 if (bmstat & ACC_BMx_STATUS_BM_EOP_ERR) 1261 aprint_normal_dev(&sc->sc_dev, "BM7: Bus Master Error\n"); 1262 if (!(bmstat & ACC_BMx_STATUS_EOP)) 1263 aprint_normal_dev(&sc->sc_dev, "BM7: NO End of Page?\n"); 1264 1265 nintr++; 1266 } 1267 1268 /* record */ 1269 if (intr & ACC_IRQ_STATUS_BM1_IRQ_STS) { 1270 bmstat = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ACC_BM1_STATUS); 1271 if (bmstat & ACC_BMx_STATUS_BM_EOP_ERR) 1272 aprint_normal_dev(&sc->sc_dev, "BM1: Bus Master Error\n"); 1273 if (!(bmstat & ACC_BMx_STATUS_EOP)) 1274 aprint_normal_dev(&sc->sc_dev, "BM1: NO End of Page?\n"); 1275 1276 if (sc->sc_rec.ch_intr) { 1277 sc->sc_rec.ch_intr(sc->sc_rec.ch_intr_arg); 1278 } 1279 nintr++; 1280 } 1281 1282 #ifdef GCSCAUDIO_DEBUG 1283 if (intr & ACC_IRQ_STATUS_IRQ_STS) 1284 aprint_normal_dev(&sc->sc_dev, "Codec GPIO IRQ Status\n"); 1285 if (intr & ACC_IRQ_STATUS_WU_IRQ_STS) 1286 aprint_normal_dev(&sc->sc_dev, "Codec GPIO Wakeup IRQ Status\n"); 1287 if (intr & ACC_IRQ_STATUS_BM2_IRQ_STS) 1288 aprint_normal_dev(&sc->sc_dev, "Audio Bus Master 2 IRQ Status\n"); 1289 if (intr & ACC_IRQ_STATUS_BM3_IRQ_STS) 1290 aprint_normal_dev(&sc->sc_dev, "Audio Bus Master 3 IRQ Status\n"); 1291 if (intr & ACC_IRQ_STATUS_BM5_IRQ_STS) 1292 aprint_normal_dev(&sc->sc_dev, "Audio Bus Master 5 IRQ Status\n"); 1293 #endif 1294 1295 done: 1296 mutex_spin_exit(&sc->sc_intr_lock); 1297 1298 return nintr ? 1 : 0; 1299 } 1300 1301 static bool 1302 gcscaudio_resume(device_t dv, const pmf_qual_t *qual) 1303 { 1304 struct gcscaudio_softc *sc = device_private(dv); 1305 1306 gcscaudio_reset_codec(sc); 1307 DELAY(1000); 1308 (sc->codec_if->vtbl->restore_ports)(sc->codec_if); 1309 1310 return true; 1311 } 1312 1313 static int 1314 gcscaudio_allocate_dma(struct gcscaudio_softc *sc, size_t size, void **addrp, 1315 bus_dma_segment_t *seglist, int nseg, int *rsegp, 1316 bus_dmamap_t *mapp) 1317 { 1318 int error; 1319 1320 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, seglist, 1321 nseg, rsegp, BUS_DMA_WAITOK)) != 0) { 1322 aprint_error_dev(&sc->sc_dev, 1323 "unable to allocate DMA buffer, error=%d\n", error); 1324 goto fail_alloc; 1325 } 1326 1327 if ((error = bus_dmamem_map(sc->sc_dmat, seglist, nseg, size, addrp, 1328 BUS_DMA_WAITOK | BUS_DMA_COHERENT)) != 0) { 1329 aprint_error_dev(&sc->sc_dev, 1330 "unable to map DMA buffer, error=%d\n", 1331 error); 1332 goto fail_map; 1333 } 1334 1335 if ((error = bus_dmamap_create(sc->sc_dmat, size, nseg, size, 0, 1336 BUS_DMA_WAITOK, mapp)) != 0) { 1337 aprint_error_dev(&sc->sc_dev, 1338 "unable to create DMA map, error=%d\n", error); 1339 goto fail_create; 1340 } 1341 1342 if ((error = bus_dmamap_load(sc->sc_dmat, *mapp, *addrp, size, NULL, 1343 BUS_DMA_WAITOK)) != 0) { 1344 aprint_error_dev(&sc->sc_dev, 1345 "unable to load DMA map, error=%d\n", error); 1346 goto fail_load; 1347 } 1348 1349 return 0; 1350 1351 fail_load: 1352 bus_dmamap_destroy(sc->sc_dmat, *mapp); 1353 fail_create: 1354 bus_dmamem_unmap(sc->sc_dmat, *addrp, size); 1355 fail_map: 1356 bus_dmamem_free(sc->sc_dmat, seglist, nseg); 1357 fail_alloc: 1358 return error; 1359 } 1360
Indexes created Wed Oct 22 00:09:40 GMT 2025