gcscaudio.c revision 1.10
1 /* $NetBSD: gcscaudio.c,v 1.10 2011/11/25 12:31:55 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 1.10 2011/11/25 12:31:55 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 .get_locks = gcscaudio_get_locks, 216 }; 217 218 static const struct audio_format gcscaudio_formats_2ch = { 219 NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 220 2, AUFMT_STEREO, 0, {8000, 48000} 221 }; 222 223 static const struct audio_format gcscaudio_formats_4ch = { 224 NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 225 4, AUFMT_SURROUND4, 0, {8000, 48000} 226 }; 227 228 static const struct audio_format gcscaudio_formats_6ch = { 229 NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 230 6, AUFMT_DOLBY_5_1, 0, {8000, 48000} 231 }; 232 233 static int 234 gcscaudio_match(device_t parent, cfdata_t match, void *aux) 235 { 236 struct pci_attach_args *pa; 237 238 pa = (struct pci_attach_args *)aux; 239 if ((PCI_VENDOR(pa->pa_id) == PCI_VENDOR_AMD) && 240 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_AMD_CS5536_AUDIO)) 241 return 1; 242 243 return 0; 244 } 245 246 static int 247 gcscaudio_append_formats(struct gcscaudio_softc *sc, 248 const struct audio_format *format) 249 { 250 if (sc->sc_nformats >= GCSCAUDIO_MAXFORMATS) { 251 aprint_error_dev(&sc->sc_dev, "too many formats\n"); 252 return EINVAL; 253 } 254 sc->sc_formats[sc->sc_nformats++] = *format; 255 return 0; 256 } 257 258 static void 259 gcscaudio_attach(device_t parent, device_t self, void *aux) 260 { 261 struct gcscaudio_softc *sc; 262 struct pci_attach_args *pa; 263 const char *intrstr; 264 pci_intr_handle_t ih; 265 int rc, i; 266 267 sc = device_private(self); 268 269 aprint_naive(": Audio controller\n"); 270 271 pa = aux; 272 sc->sc_pc = pa->pa_pc; 273 sc->sc_pt = pa->pa_tag; 274 sc->sc_dmat = pa->pa_dmat; 275 LIST_INIT(&sc->sc_dmalist); 276 sc->sc_mch_split_buf = NULL; 277 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE); 278 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO); 279 280 aprint_normal(": AMD Geode CS5536 Audio\n"); 281 282 if (pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0, 283 &sc->sc_iot, &sc->sc_ioh, NULL, &sc->sc_ios)) { 284 aprint_error_dev(&sc->sc_dev, "can't map i/o space\n"); 285 return; 286 } 287 288 if (pci_intr_map(pa, &ih)) { 289 aprint_error_dev(&sc->sc_dev, "couldn't map interrupt\n"); 290 goto attach_failure_unmap; 291 } 292 intrstr = pci_intr_string(sc->sc_pc, ih); 293 294 sc->sc_ih = pci_intr_establish(sc->sc_pc, ih, IPL_AUDIO, 295 gcscaudio_intr, sc); 296 if (sc->sc_ih == NULL) { 297 aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt"); 298 if (intrstr != NULL) 299 aprint_error(" at %s", intrstr); 300 aprint_error("\n"); 301 goto attach_failure_unmap; 302 } 303 304 aprint_normal_dev(&sc->sc_dev, "interrupting at %s\n", intrstr); 305 306 307 if (gcscaudio_allocate_dma(sc, sizeof(*sc->sc_prd.p_prdtables), 308 (void **)&(sc->sc_prd.p_prdtables), sc->sc_prd.p_prdsegs, 1, 309 &(sc->sc_prd.p_prdnseg), &(sc->sc_prd.p_prdmap)) != 0) 310 goto attach_failure_intr; 311 312 sc->host_if.arg = sc; 313 sc->host_if.attach = gcscaudio_attach_codec; 314 sc->host_if.read = gcscaudio_read_codec; 315 sc->host_if.write = gcscaudio_write_codec; 316 sc->host_if.reset = gcscaudio_reset_codec; 317 sc->host_if.spdif_event = gcscaudio_spdif_event_codec; 318 319 if ((rc = ac97_attach(&sc->host_if, self, &sc->sc_lock)) != 0) { 320 aprint_error_dev(&sc->sc_dev, 321 "can't attach codec (error=%d)\n", rc); 322 goto attach_failure_intr; 323 } 324 325 if (!pmf_device_register(self, NULL, gcscaudio_resume)) 326 aprint_error_dev(self, "couldn't establish power handler\n"); 327 328 329 sc->sc_nformats = 0; 330 gcscaudio_append_formats(sc, &gcscaudio_formats_2ch); 331 332 mutex_enter(&sc->sc_lock); 333 if (AC97_IS_4CH(sc->codec_if)) 334 gcscaudio_append_formats(sc, &gcscaudio_formats_4ch); 335 if (AC97_IS_6CH(sc->codec_if)) 336 gcscaudio_append_formats(sc, &gcscaudio_formats_6ch); 337 if (AC97_IS_FIXED_RATE(sc->codec_if)) { 338 for (i = 0; i < sc->sc_nformats; i++) { 339 sc->sc_formats[i].frequency_type = 1; 340 sc->sc_formats[i].frequency[0] = 48000; 341 } 342 } 343 mutex_exit(&sc->sc_lock); 344 345 if ((rc = auconv_create_encodings(sc->sc_formats, sc->sc_nformats, 346 &sc->sc_encodings)) != 0) { 347 aprint_error_dev(self, 348 "auconv_create_encoding: error=%d\n", rc); 349 goto attach_failure_codec; 350 } 351 352 audio_attach_mi(&gcscaudio_hw_if, sc, &sc->sc_dev); 353 sc->codec_if->vtbl->unlock(sc->codec_if); 354 return; 355 356 attach_failure_codec: 357 sc->codec_if->vtbl->detach(sc->codec_if); 358 attach_failure_intr: 359 pci_intr_disestablish(sc->sc_pc, sc->sc_ih); 360 attach_failure_unmap: 361 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 362 return; 363 } 364 365 static int 366 gcscaudio_attach_codec(void *arg, struct ac97_codec_if *codec_if) 367 { 368 struct gcscaudio_softc *sc; 369 370 sc = (struct gcscaudio_softc *)arg; 371 sc->codec_if = codec_if; 372 return 0; 373 } 374 375 static int 376 gcscaudio_reset_codec(void *arg) 377 { 378 struct gcscaudio_softc *sc; 379 sc = (struct gcscaudio_softc *)arg; 380 381 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_CODEC_CNTL, 382 ACC_CODEC_CNTL_LNK_WRM_RST | 383 ACC_CODEC_CNTL_CMD_NEW); 384 385 if (gcscaudio_wait_ready_codec(sc, "reset timeout\n")) 386 return 1; 387 388 return 0; 389 } 390 391 static void 392 gcscaudio_spdif_event_codec(void *arg, bool flag) 393 { 394 struct gcscaudio_softc *sc; 395 396 sc = (struct gcscaudio_softc *)arg; 397 sc->sc_spdif = flag; 398 } 399 400 static int 401 gcscaudio_wait_ready_codec(struct gcscaudio_softc *sc, const char *timeout_msg) 402 { 403 int i; 404 405 #define GCSCAUDIO_WAIT_READY_CODEC_TIMEOUT 500 406 for (i = GCSCAUDIO_WAIT_READY_CODEC_TIMEOUT; (i >= 0) && 407 (bus_space_read_4(sc->sc_iot, sc->sc_ioh, ACC_CODEC_CNTL) & 408 ACC_CODEC_CNTL_CMD_NEW); i--) 409 delay(1); 410 411 if (i < 0) { 412 aprint_error_dev(&sc->sc_dev, "%s", timeout_msg); 413 return 1; 414 } 415 416 return 0; 417 } 418 419 static int 420 gcscaudio_write_codec(void *arg, uint8_t reg, uint16_t val) 421 { 422 struct gcscaudio_softc *sc; 423 424 sc = (struct gcscaudio_softc *)arg; 425 426 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_CODEC_CNTL, 427 ACC_CODEC_CNTL_WRITE_CMD | 428 ACC_CODEC_CNTL_CMD_NEW | 429 ACC_CODEC_REG2ADDR(reg) | 430 (val & ACC_CODEC_CNTL_CMD_DATA_MASK)); 431 432 if (gcscaudio_wait_ready_codec(sc, "codec write timeout\n")) 433 return 1; 434 435 #ifdef GCSCAUDIO_CODEC_DEBUG 436 aprint_error_dev(&sc->sc_dev, "codec write: reg=0x%02x, val=0x%04x\n", 437 reg, val); 438 #endif 439 440 return 0; 441 } 442 443 static int 444 gcscaudio_read_codec(void *arg, uint8_t reg, uint16_t *val) 445 { 446 struct gcscaudio_softc *sc; 447 uint32_t v; 448 int i; 449 450 sc = (struct gcscaudio_softc *)arg; 451 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_CODEC_CNTL, 452 ACC_CODEC_CNTL_READ_CMD | ACC_CODEC_CNTL_CMD_NEW | 453 ACC_CODEC_REG2ADDR(reg)); 454 455 if (gcscaudio_wait_ready_codec(sc, "codec write timeout for reading")) 456 return 1; 457 458 #define GCSCAUDIO_READ_CODEC_TIMEOUT 50 459 for (i = GCSCAUDIO_READ_CODEC_TIMEOUT; i >= 0; i--) { 460 v = bus_space_read_4(sc->sc_iot, sc->sc_ioh, ACC_CODEC_STATUS); 461 if ((v & ACC_CODEC_STATUS_STS_NEW) && 462 (ACC_CODEC_ADDR2REG(v) == reg)) 463 break; 464 465 delay(10); 466 } 467 468 if (i < 0) { 469 aprint_error_dev(&sc->sc_dev, "codec read timeout\n"); 470 return 1; 471 } 472 473 #ifdef GCSCAUDIO_CODEC_DEBUG 474 aprint_error_dev(&sc->sc_dev, "codec read: reg=0x%02x, val=0x%04x\n", 475 reg, v & ACC_CODEC_STATUS_STS_DATA_MASK); 476 #endif 477 478 *val = v; 479 return 0; 480 } 481 482 static int 483 gcscaudio_open(void *arg, int flags) 484 { 485 struct gcscaudio_softc *sc; 486 487 sc = (struct gcscaudio_softc *)arg; 488 sc->codec_if->vtbl->lock(sc->codec_if); 489 return 0; 490 } 491 492 static void 493 gcscaudio_close(void *arg) 494 { 495 struct gcscaudio_softc *sc; 496 497 sc = (struct gcscaudio_softc *)arg; 498 sc->codec_if->vtbl->unlock(sc->codec_if); 499 } 500 501 static int 502 gcscaudio_query_encoding(void *arg, struct audio_encoding *fp) 503 { 504 struct gcscaudio_softc *sc; 505 506 sc = (struct gcscaudio_softc *)arg; 507 return auconv_query_encoding(sc->sc_encodings, fp); 508 } 509 510 static int 511 gcscaudio_set_params_ch(struct gcscaudio_softc *sc, 512 struct gcscaudio_softc_ch *ch, int mode, 513 audio_params_t *p, stream_filter_list_t *fil) 514 { 515 int error, idx; 516 517 if ((p->sample_rate < 8000) || (p->sample_rate > 48000)) 518 return EINVAL; 519 520 if (p->precision != 8 && p->precision != 16) 521 return EINVAL; 522 523 if ((idx = auconv_set_converter(sc->sc_formats, sc->sc_nformats, 524 mode, p, TRUE, fil)) < 0) 525 return EINVAL; 526 527 if (fil->req_size > 0) 528 p = &fil->filters[0].param; 529 530 if (mode == AUMODE_PLAY) { 531 if (!AC97_IS_FIXED_RATE(sc->codec_if)) { 532 /* setup rate of DAC/ADC */ 533 if ((error = sc->codec_if->vtbl->set_rate(sc->codec_if, 534 AC97_REG_PCM_LR_ADC_RATE, &p->sample_rate)) != 0) 535 return error; 536 537 /* additional rate of DAC for Surround */ 538 if ((p->channels >= 4) && 539 (error = sc->codec_if->vtbl->set_rate(sc->codec_if, 540 AC97_REG_PCM_SURR_DAC_RATE, &p->sample_rate)) != 0) 541 return error; 542 543 /* additional rate of DAC for LowFrequencyEffect */ 544 if ((p->channels == 6) && 545 (error = sc->codec_if->vtbl->set_rate(sc->codec_if, 546 AC97_REG_PCM_LFE_DAC_RATE, &p->sample_rate)) != 0) 547 return error; 548 } 549 } 550 551 if (mode == AUMODE_RECORD) { 552 if (!AC97_IS_FIXED_RATE(sc->codec_if)) { 553 /* setup rate of DAC/ADC */ 554 if ((error = sc->codec_if->vtbl->set_rate(sc->codec_if, 555 AC97_REG_PCM_FRONT_DAC_RATE, &p->sample_rate)) != 0) 556 return error; 557 } 558 } 559 560 ch->ch_params = *p; 561 return 0; 562 } 563 564 static int 565 gcscaudio_set_params(void *arg, int setmode, int usemode, 566 audio_params_t *play, audio_params_t *rec, 567 stream_filter_list_t *pfil, stream_filter_list_t *rfil) 568 { 569 struct gcscaudio_softc *sc; 570 int error; 571 572 sc = (struct gcscaudio_softc *)arg; 573 574 if (setmode & AUMODE_PLAY) { 575 if ((error = gcscaudio_set_params_ch(sc, &sc->sc_play, 576 AUMODE_PLAY, play, pfil)) != 0) 577 return error; 578 } 579 if (setmode & AUMODE_RECORD) { 580 if ((error = gcscaudio_set_params_ch(sc, &sc->sc_rec, 581 AUMODE_RECORD, rec, rfil)) != 0) 582 return error; 583 } 584 585 return 0; 586 } 587 588 static int 589 gcscaudio_round_blocksize(void *arg, int blk, int mode, 590 const audio_params_t *param) 591 { 592 blk &= -4; 593 if (blk > GCSCAUDIO_PRD_SIZE_MAX) 594 blk = GCSCAUDIO_PRD_SIZE_MAX; 595 596 return blk; 597 } 598 599 static int 600 gcscaudio_halt_output(void *arg) 601 { 602 struct gcscaudio_softc *sc; 603 604 sc = (struct gcscaudio_softc *)arg; 605 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM0_CMD, 606 ACC_BMx_CMD_BM_CTL_DISABLE); 607 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM4_CMD, 608 ACC_BMx_CMD_BM_CTL_DISABLE); 609 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM6_CMD, 610 ACC_BMx_CMD_BM_CTL_DISABLE); 611 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM7_CMD, 612 ACC_BMx_CMD_BM_CTL_DISABLE); 613 sc->sc_play.ch_intr = NULL; 614 615 /* channel splitter */ 616 sc->sc_mch_splitter = NULL; 617 if (sc->sc_mch_split_buf) 618 gcscaudio_free(sc, sc->sc_mch_split_buf, sc->sc_mch_split_size); 619 sc->sc_mch_split_buf = NULL; 620 621 return 0; 622 } 623 624 static int 625 gcscaudio_halt_input(void *arg) 626 { 627 struct gcscaudio_softc *sc; 628 629 sc = (struct gcscaudio_softc *)arg; 630 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM1_CMD, 631 ACC_BMx_CMD_BM_CTL_DISABLE); 632 sc->sc_rec.ch_intr = NULL; 633 return 0; 634 } 635 636 static int 637 gcscaudio_getdev(void *addr, struct audio_device *retp) 638 { 639 *retp = gcscaudio_device; 640 return 0; 641 } 642 643 static int 644 gcscaudio_set_port(void *addr, mixer_ctrl_t *cp) 645 { 646 struct gcscaudio_softc *sc; 647 648 sc = addr; 649 return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp); 650 } 651 652 static int 653 gcscaudio_get_port(void *addr, mixer_ctrl_t *cp) 654 { 655 struct gcscaudio_softc *sc; 656 657 sc = addr; 658 return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp); 659 } 660 661 static int 662 gcscaudio_query_devinfo(void *addr, mixer_devinfo_t *dip) 663 { 664 struct gcscaudio_softc *sc; 665 666 sc = addr; 667 return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip); 668 } 669 670 static void * 671 gcscaudio_malloc(void *arg, int direction, size_t size) 672 { 673 struct gcscaudio_softc *sc; 674 struct gcscaudio_dma *p; 675 int error; 676 677 sc = (struct gcscaudio_softc *)arg; 678 679 p = kmem_alloc(sizeof(*p), KM_SLEEP); 680 if (p == NULL) 681 return NULL; 682 p->size = size; 683 684 error = gcscaudio_allocate_dma(sc, size, &p->addr, 685 p->segs, sizeof(p->segs)/sizeof(p->segs[0]), &p->nseg, &p->map); 686 if (error) { 687 kmem_free(p, sizeof(*p)); 688 return NULL; 689 } 690 691 LIST_INSERT_HEAD(&sc->sc_dmalist, p, list); 692 return p->addr; 693 } 694 695 static void 696 gcscaudio_free(void *arg, void *ptr, size_t size) 697 { 698 struct gcscaudio_softc *sc; 699 struct gcscaudio_dma *p; 700 701 sc = (struct gcscaudio_softc *)arg; 702 703 LIST_FOREACH(p, &sc->sc_dmalist, list) { 704 if (p->addr == ptr) { 705 bus_dmamap_unload(sc->sc_dmat, p->map); 706 bus_dmamap_destroy(sc->sc_dmat, p->map); 707 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 708 bus_dmamem_free(sc->sc_dmat, p->segs, p->nseg); 709 710 LIST_REMOVE(p, list); 711 kmem_free(p, sizeof(*p)); 712 break; 713 } 714 } 715 } 716 717 static paddr_t 718 gcscaudio_mappage(void *arg, void *mem, off_t off, int prot) 719 { 720 struct gcscaudio_softc *sc; 721 struct gcscaudio_dma *p; 722 723 if (off < 0) 724 return -1; 725 726 sc = (struct gcscaudio_softc *)arg; 727 LIST_FOREACH(p, &sc->sc_dmalist, list) { 728 if (p->addr == mem) { 729 return bus_dmamem_mmap(sc->sc_dmat, p->segs, p->nseg, 730 off, prot, BUS_DMA_WAITOK); 731 } 732 } 733 734 return -1; 735 } 736 737 static size_t 738 gcscaudio_round_buffersize(void *addr, int direction, size_t size) 739 { 740 if (size > GCSCAUDIO_BUFSIZE_MAX) 741 size = GCSCAUDIO_BUFSIZE_MAX; 742 743 return size; 744 } 745 746 static int 747 gcscaudio_get_props(void *addr) 748 { 749 struct gcscaudio_softc *sc; 750 int props; 751 752 sc = (struct gcscaudio_softc *)addr; 753 props = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX; 754 /* 755 * Even if the codec is fixed-rate, set_param() succeeds for any sample 756 * rate because of aurateconv. Applications can't know what rate the 757 * device can process in the case of mmap(). 758 */ 759 if (!AC97_IS_FIXED_RATE(sc->codec_if)) 760 props |= AUDIO_PROP_MMAP; 761 return props; 762 } 763 764 static int 765 build_prdtables(struct gcscaudio_softc *sc, int prdidx, 766 void *addr, size_t size, int blksize, int blklen, int blkoff) 767 { 768 struct gcscaudio_dma *p; 769 struct acc_prd *prdp; 770 bus_addr_t paddr; 771 int i; 772 773 /* get physical address of start */ 774 paddr = (bus_addr_t)0; 775 LIST_FOREACH(p, &sc->sc_dmalist, list) { 776 if (p->addr == addr) { 777 paddr = p->map->dm_segs[0].ds_addr; 778 break; 779 } 780 } 781 if (!paddr) { 782 aprint_error_dev(&sc->sc_dev, 783 "bad addr %p\n", addr); 784 return EINVAL; 785 } 786 787 #define PRDADDR(prdidx,idx) \ 788 (sc->sc_prd.p_prdmap->dm_segs[0].ds_addr) + sizeof(struct acc_prd) * \ 789 (((prdidx) * GCSCAUDIO_NPRDTABLE) + (idx)) 790 791 /* 792 * build PRD table 793 * prdtbl[] = <PRD0>, <PRD1>, <PRD2>, ..., <PRDn>, <jmp to PRD0> 794 */ 795 prdp = sc->sc_prd.p_prdtables->prdtbl[prdidx]; 796 for (i = 0; size > 0; size -= blksize, i++) { 797 prdp[i].address = paddr + blksize * i + blkoff; 798 prdp[i].ctrlsize = 799 (size < blklen ? size : blklen) | ACC_BMx_PRD_CTRL_EOP; 800 } 801 prdp[i].address = PRDADDR(prdidx, 0); 802 prdp[i].ctrlsize = ACC_BMx_PRD_CTRL_JMP; 803 804 bus_dmamap_sync(sc->sc_dmat, sc->sc_prd.p_prdmap, 0, 805 sizeof(struct acc_prd) * i, BUS_DMASYNC_PREWRITE); 806 807 return 0; 808 } 809 810 static void 811 split_buffer_4ch(void *dst, void *src, int size, int blksize) 812 { 813 int left, i; 814 uint16_t *s, *d; 815 816 /* 817 * src[blk0]: L,R,SL,SR,L,R,SL,SR,L,R,SL,SR,.... 818 * src[blk1]: L,R,SL,SR,L,R,SL,SR,L,R,SL,SR,.... 819 * src[blk2]: L,R,SL,SR,L,R,SL,SR,L,R,SL,SR,.... 820 * : 821 * 822 * rearrange to 823 * 824 * src[blk0]: L,R,L,R,L,R,L,R,.. 825 * src[blk1]: L,R,L,R,L,R,L,R,.. 826 * src[blk2]: L,R,L,R,L,R,L,R,.. 827 * : 828 * dst[blk0]: SL,SR,SL,SR,SL,SR,SL,SR,.. 829 * dst[blk1]: SL,SR,SL,SR,SL,SR,SL,SR,.. 830 * dst[blk2]: SL,SR,SL,SR,SL,SR,SL,SR,.. 831 * : 832 */ 833 for (left = size; left > 0; left -= blksize) { 834 s = (uint16_t *)src; 835 d = (uint16_t *)dst; 836 for (i = 0; i < blksize / sizeof(uint16_t) / 4; i++) { 837 /* L,R,SL,SR -> SL,SR */ 838 s++; 839 s++; 840 *d++ = *s++; 841 *d++ = *s++; 842 } 843 844 s = (uint16_t *)src; 845 d = (uint16_t *)src; 846 for (i = 0; i < blksize / sizeof(uint16_t) / 2 / 2; i++) { 847 /* L,R,SL,SR -> L,R */ 848 *d++ = *s++; 849 *d++ = *s++; 850 s++; 851 s++; 852 } 853 854 src = (char *)src + blksize; 855 dst = (char *)dst + blksize; 856 } 857 } 858 859 static void 860 split_buffer_6ch(void *dst, void *src, int size, int blksize) 861 { 862 int left, i; 863 uint16_t *s, *d, *dc, *dl; 864 865 /* 866 * by default, treat as WAV style 5.1ch order 867 * 5.1ch(WAV): L R C LFE SL SR 868 * 5.1ch(AAC): C L R SL SR LFE 869 * : 870 */ 871 872 /* 873 * src[blk0]: L,R,C,LFE,SL,SR,L,R,C,LFE,SL,SR,... 874 * src[blk1]: L,R,C,LFE,SL,SR,L,R,C,LFE,SL,SR,... 875 * src[blk2]: L,R,C,LFE,SL,SR,L,R,C,LFE,SL,SR,... 876 * : 877 * src[N-1] : L,R,C,LFE,SL,SR,L,R,C,LFE,SL,SR,... 878 * 879 * rearrange to 880 * 881 * src[blk0]: L,R,L,R,.. 882 * src[blk1]: L,R,L,R,.. 883 * src[blk2]: L,R,L,R,.. 884 * : 885 * 886 * dst[blk0]: SL,SR,SL,SR,.. 887 * dst[blk1]: SL,SR,SL,SR,.. 888 * dst[blk2]: SL,SR,SL,SR,.. 889 * : 890 * 891 * dst[N/2+0]: C,C,C,.. 892 * dst[N/2+1]: C,C,C,.. 893 * : 894 * 895 * dst[N/2+N/4+0]: LFE,LFE,LFE,.. 896 * dst[N/2+N/4+1]: LFE,LFE,LFE,.. 897 * : 898 */ 899 900 for (left = size; left > 0; left -= blksize) { 901 s = (uint16_t *)src; 902 d = (uint16_t *)dst; 903 dc = (uint16_t *)((char *)dst + blksize / 2); 904 dl = (uint16_t *)((char *)dst + blksize / 2 + blksize / 4); 905 for (i = 0; i < blksize / sizeof(uint16_t) / 6; i++) { 906 #ifdef GCSCAUDIO_5_1CH_AAC_ORDER 907 /* 908 * AAC: [C,L,R,SL,SR,LFE] 909 * => [SL,SR] 910 * => [C] 911 * => [LFE] 912 */ 913 *dc++ = s[0]; /* C */ 914 *dl++ = s[5]; /* LFE */ 915 *d++ = s[3]; /* SL */ 916 *d++ = s[4]; /* SR */ 917 #else 918 /* 919 * WAV: [L,R,C,LFE,SL,SR] 920 * => [SL,SR] 921 * => [C] 922 * => [LFE] 923 */ 924 *dc++ = s[2]; /* C */ 925 *dl++ = s[3]; /* LFE */ 926 *d++ = s[4]; /* SL */ 927 *d++ = s[5]; /* SR */ 928 #endif 929 s += 6; 930 } 931 932 s = (uint16_t *)src; 933 d = (uint16_t *)src; 934 for (i = 0; i < blksize / sizeof(uint16_t) / 2 / 2; i++) { 935 #ifdef GCSCAUDIO_5_1CH_AAC_ORDER 936 /* AAC: [C,L,R,SL,SR,LFE] => [L,R] */ 937 *d++ = s[1]; 938 *d++ = s[2]; 939 #else 940 /* WAV: [L,R,C,LFE,SL,SR] => [L,R] */ 941 *d++ = s[0]; 942 *d++ = s[1]; 943 #endif 944 s += 6; 945 } 946 947 src = (char *)src + blksize; 948 dst = (char *)dst + blksize; 949 } 950 } 951 952 static void 953 channel_splitter(struct gcscaudio_softc *sc) 954 { 955 int splitsize, left; 956 void *src, *dst; 957 958 if (sc->sc_mch_splitter == NULL) 959 return; 960 961 left = sc->sc_mch_split_size - sc->sc_mch_split_off; 962 splitsize = sc->sc_mch_split_blksize; 963 if (left < splitsize) 964 splitsize = left; 965 966 src = (char *)sc->sc_mch_split_start + sc->sc_mch_split_off; 967 dst = (char *)sc->sc_mch_split_buf + sc->sc_mch_split_off; 968 969 sc->sc_mch_splitter(dst, src, splitsize, sc->sc_mch_split_blksize); 970 971 sc->sc_mch_split_off += sc->sc_mch_split_blksize; 972 if (sc->sc_mch_split_off >= sc->sc_mch_split_size) 973 sc->sc_mch_split_off = 0; 974 } 975 976 static int 977 gcscaudio_trigger_output(void *addr, void *start, void *end, int blksize, 978 void (*intr)(void *), void *arg, 979 const audio_params_t *param) 980 { 981 struct gcscaudio_softc *sc; 982 size_t size; 983 984 sc = (struct gcscaudio_softc *)addr; 985 sc->sc_play.ch_intr = intr; 986 sc->sc_play.ch_intr_arg = arg; 987 size = (char *)end - (char *)start; 988 989 switch (sc->sc_play.ch_params.channels) { 990 case 2: 991 if (build_prdtables(sc, PRD_TABLE_FRONT, start, size, blksize, 992 blksize, 0)) 993 return EINVAL; 994 995 if (!AC97_IS_4CH(sc->codec_if)) { 996 /* 997 * output 2ch PCM to FRONT.LR(BM0) 998 * 999 * 2ch: L,R,L,R,L,R,L,R,... => BM0: L,R,L,R,L,R,L,R,... 1000 * 1001 */ 1002 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM0_PRD, 1003 PRDADDR(PRD_TABLE_FRONT, 0)); 1004 1005 /* start DMA transfer */ 1006 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM0_CMD, 1007 ACC_BMx_CMD_WRITE | 1008 ACC_BMx_CMD_BYTE_ORD_EL | 1009 ACC_BMx_CMD_BM_CTL_ENABLE); 1010 } else { 1011 /* 1012 * output same PCM to FRONT.LR(BM0) and SURROUND.LR(BM6). 1013 * CENTER(BM4) and LFE(BM7) doesn't sound. 1014 * 1015 * 2ch: L,R,L,R,L,R,L,R,... => BM0: L,R,L,R,L,R,L,R,... 1016 * BM6: (same of BM0) 1017 * BM4: none 1018 * BM7: none 1019 */ 1020 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM0_PRD, 1021 PRDADDR(PRD_TABLE_FRONT, 0)); 1022 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM6_PRD, 1023 PRDADDR(PRD_TABLE_FRONT, 0)); 1024 1025 /* start DMA transfer */ 1026 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM0_CMD, 1027 ACC_BMx_CMD_WRITE | 1028 ACC_BMx_CMD_BYTE_ORD_EL | 1029 ACC_BMx_CMD_BM_CTL_ENABLE); 1030 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM6_CMD, 1031 ACC_BMx_CMD_WRITE | 1032 ACC_BMx_CMD_BYTE_ORD_EL | 1033 ACC_BMx_CMD_BM_CTL_ENABLE); 1034 } 1035 break; 1036 case 4: 1037 /* 1038 * output 4ch PCM split to FRONT.LR(BM0) and SURROUND.LR(BM6). 1039 * CENTER(BM4) and LFE(BM7) doesn't sound. 1040 * 1041 * rearrange ordered channel to continuous per channel 1042 * 1043 * 4ch: L,R,SL,SR,L,R,SL,SR,... => BM0: L,R,L,R,... 1044 * BM6: SL,SR,SL,SR,... 1045 * BM4: none 1046 * BM7: none 1047 */ 1048 if (sc->sc_mch_split_buf) 1049 gcscaudio_free(sc, sc->sc_mch_split_buf, 1050 sc->sc_mch_split_size); 1051 1052 if ((sc->sc_mch_split_buf = gcscaudio_malloc(sc, AUMODE_PLAY, 1053 size)) == NULL) 1054 return ENOMEM; 1055 1056 /* 1057 * 1st and 2nd blocks are split immediately. 1058 * Other blocks will be split synchronous with intr. 1059 */ 1060 split_buffer_4ch(sc->sc_mch_split_buf, start, blksize * 2, 1061 blksize); 1062 1063 sc->sc_mch_split_start = start; 1064 sc->sc_mch_split_size = size; 1065 sc->sc_mch_split_blksize = blksize; 1066 sc->sc_mch_split_off = (blksize * 2) % size; 1067 sc->sc_mch_splitter = split_buffer_4ch; /* split function */ 1068 1069 if (build_prdtables(sc, PRD_TABLE_FRONT, start, size, blksize, 1070 blksize / 2, 0)) 1071 return EINVAL; 1072 if (build_prdtables(sc, PRD_TABLE_SURR, sc->sc_mch_split_buf, 1073 size, blksize, blksize / 2, 0)) 1074 return EINVAL; 1075 1076 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM0_PRD, 1077 PRDADDR(PRD_TABLE_FRONT, 0)); 1078 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM6_PRD, 1079 PRDADDR(PRD_TABLE_SURR, 0)); 1080 1081 /* start DMA transfer */ 1082 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM0_CMD, 1083 ACC_BMx_CMD_WRITE | 1084 ACC_BMx_CMD_BYTE_ORD_EL | 1085 ACC_BMx_CMD_BM_CTL_ENABLE); 1086 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM6_CMD, 1087 ACC_BMx_CMD_WRITE | 1088 ACC_BMx_CMD_BYTE_ORD_EL | 1089 ACC_BMx_CMD_BM_CTL_ENABLE); 1090 break; 1091 case 6: 1092 /* 1093 * output 6ch PCM split to 1094 * FRONT.LR(BM0), SURROUND.LR(BM6), CENTER(BM4) and LFE(BM7) 1095 * 1096 * rearrange ordered channel to continuous per channel 1097 * 1098 * 5.1ch: L,R,C,LFE,SL,SR,... => BM0: L,R,... 1099 * BM4: C,... 1100 * BM6: SL,SR,... 1101 * BM7: LFE,... 1102 * 1103 */ 1104 if (sc->sc_mch_split_buf) 1105 gcscaudio_free(sc, sc->sc_mch_split_buf, 1106 sc->sc_mch_split_size); 1107 1108 if ((sc->sc_mch_split_buf = gcscaudio_malloc(sc, AUMODE_PLAY, 1109 size)) == NULL) 1110 return ENOMEM; 1111 1112 /* 1113 * 1st and 2nd blocks are split immediately. 1114 * Other block will be split synchronous with intr. 1115 */ 1116 split_buffer_6ch(sc->sc_mch_split_buf, start, blksize * 2, 1117 blksize); 1118 1119 sc->sc_mch_split_start = start; 1120 sc->sc_mch_split_size = size; 1121 sc->sc_mch_split_blksize = blksize; 1122 sc->sc_mch_split_off = (blksize * 2) % size; 1123 sc->sc_mch_splitter = split_buffer_6ch; /* split function */ 1124 1125 if (build_prdtables(sc, PRD_TABLE_FRONT, start, size, blksize, 1126 blksize / 3, 0)) 1127 return EINVAL; 1128 if (build_prdtables(sc, PRD_TABLE_CENTER, sc->sc_mch_split_buf, 1129 size, blksize, blksize / 3, blksize / 2)) 1130 return EINVAL; 1131 if (build_prdtables(sc, PRD_TABLE_SURR, sc->sc_mch_split_buf, 1132 size, blksize, blksize / 3, 0)) 1133 return EINVAL; 1134 if (build_prdtables(sc, PRD_TABLE_LFE, sc->sc_mch_split_buf, 1135 size, blksize, blksize / 3, blksize / 2 + blksize / 4)) 1136 return EINVAL; 1137 1138 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM0_PRD, 1139 PRDADDR(PRD_TABLE_FRONT, 0)); 1140 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM4_PRD, 1141 PRDADDR(PRD_TABLE_CENTER, 0)); 1142 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM6_PRD, 1143 PRDADDR(PRD_TABLE_SURR, 0)); 1144 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM7_PRD, 1145 PRDADDR(PRD_TABLE_LFE, 0)); 1146 1147 /* start DMA transfer */ 1148 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM0_CMD, 1149 ACC_BMx_CMD_WRITE | ACC_BMx_CMD_BYTE_ORD_EL | 1150 ACC_BMx_CMD_BM_CTL_ENABLE); 1151 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM4_CMD, 1152 ACC_BMx_CMD_WRITE | ACC_BMx_CMD_BYTE_ORD_EL | 1153 ACC_BMx_CMD_BM_CTL_ENABLE); 1154 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM6_CMD, 1155 ACC_BMx_CMD_WRITE | ACC_BMx_CMD_BYTE_ORD_EL | 1156 ACC_BMx_CMD_BM_CTL_ENABLE); 1157 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM7_CMD, 1158 ACC_BMx_CMD_WRITE | ACC_BMx_CMD_BYTE_ORD_EL | 1159 ACC_BMx_CMD_BM_CTL_ENABLE); 1160 break; 1161 } 1162 1163 return 0; 1164 } 1165 1166 static int 1167 gcscaudio_trigger_input(void *addr, void *start, void *end, int blksize, 1168 void (*intr)(void *), void *arg, 1169 const audio_params_t *param) 1170 { 1171 struct gcscaudio_softc *sc; 1172 size_t size; 1173 1174 sc = (struct gcscaudio_softc *)addr; 1175 sc->sc_rec.ch_intr = intr; 1176 sc->sc_rec.ch_intr_arg = arg; 1177 size = (char *)end - (char *)start; 1178 1179 if (build_prdtables(sc, PRD_TABLE_REC, start, size, blksize, blksize, 0)) 1180 return EINVAL; 1181 1182 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM1_PRD, 1183 PRDADDR(PRD_TABLE_REC, 0)); 1184 1185 /* start transfer */ 1186 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM1_CMD, 1187 ACC_BMx_CMD_READ | 1188 ACC_BMx_CMD_BYTE_ORD_EL | 1189 ACC_BMx_CMD_BM_CTL_ENABLE); 1190 1191 return 0; 1192 } 1193 1194 static void 1195 gcscaudio_get_locks(void *arg, kmutex_t **intr, kmutex_t **thread) 1196 { 1197 struct gcscaudio_softc *sc; 1198 1199 sc = (struct gcscaudio_softc *)arg; 1200 1201 *intr = &sc->sc_intr_lock; 1202 *thread = &sc->sc_lock; 1203 } 1204 1205 static int 1206 gcscaudio_intr(void *arg) 1207 { 1208 struct gcscaudio_softc *sc; 1209 uint16_t intr; 1210 uint8_t bmstat; 1211 int nintr; 1212 1213 nintr = 0; 1214 sc = (struct gcscaudio_softc *)arg; 1215 1216 mutex_spin_enter(&sc->sc_intr_lock); 1217 1218 intr = bus_space_read_2(sc->sc_iot, sc->sc_ioh, ACC_IRQ_STATUS); 1219 if (intr == 0) 1220 goto done; 1221 1222 /* Front output */ 1223 if (intr & ACC_IRQ_STATUS_BM0_IRQ_STS) { 1224 bmstat = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ACC_BM0_STATUS); 1225 if (bmstat & ACC_BMx_STATUS_BM_EOP_ERR) 1226 aprint_normal_dev(&sc->sc_dev, "BM0: Bus Master Error\n"); 1227 if (!(bmstat & ACC_BMx_STATUS_EOP)) 1228 aprint_normal_dev(&sc->sc_dev, "BM0: NO End of Page?\n"); 1229 1230 if (sc->sc_play.ch_intr) { 1231 sc->sc_play.ch_intr(sc->sc_play.ch_intr_arg); 1232 channel_splitter(sc); 1233 } 1234 nintr++; 1235 } 1236 1237 /* Center output */ 1238 if (intr & ACC_IRQ_STATUS_BM4_IRQ_STS) { 1239 bmstat = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ACC_BM4_STATUS); 1240 if (bmstat & ACC_BMx_STATUS_BM_EOP_ERR) 1241 aprint_normal_dev(&sc->sc_dev, "BM4: Bus Master Error\n"); 1242 if (!(bmstat & ACC_BMx_STATUS_EOP)) 1243 aprint_normal_dev(&sc->sc_dev, "BM4: NO End of Page?\n"); 1244 1245 nintr++; 1246 } 1247 1248 /* Surround output */ 1249 if (intr & ACC_IRQ_STATUS_BM6_IRQ_STS) { 1250 bmstat = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ACC_BM6_STATUS); 1251 if (bmstat & ACC_BMx_STATUS_BM_EOP_ERR) 1252 aprint_normal_dev(&sc->sc_dev, "BM6: Bus Master Error\n"); 1253 if (!(bmstat & ACC_BMx_STATUS_EOP)) 1254 aprint_normal_dev(&sc->sc_dev, "BM6: NO End of Page?\n"); 1255 1256 nintr++; 1257 } 1258 1259 /* LowFrequencyEffect output */ 1260 if (intr & ACC_IRQ_STATUS_BM7_IRQ_STS) { 1261 bmstat = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ACC_BM7_STATUS); 1262 if (bmstat & ACC_BMx_STATUS_BM_EOP_ERR) 1263 aprint_normal_dev(&sc->sc_dev, "BM7: Bus Master Error\n"); 1264 if (!(bmstat & ACC_BMx_STATUS_EOP)) 1265 aprint_normal_dev(&sc->sc_dev, "BM7: NO End of Page?\n"); 1266 1267 nintr++; 1268 } 1269 1270 /* record */ 1271 if (intr & ACC_IRQ_STATUS_BM1_IRQ_STS) { 1272 bmstat = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ACC_BM1_STATUS); 1273 if (bmstat & ACC_BMx_STATUS_BM_EOP_ERR) 1274 aprint_normal_dev(&sc->sc_dev, "BM1: Bus Master Error\n"); 1275 if (!(bmstat & ACC_BMx_STATUS_EOP)) 1276 aprint_normal_dev(&sc->sc_dev, "BM1: NO End of Page?\n"); 1277 1278 if (sc->sc_rec.ch_intr) { 1279 sc->sc_rec.ch_intr(sc->sc_rec.ch_intr_arg); 1280 } 1281 nintr++; 1282 } 1283 1284 #ifdef GCSCAUDIO_DEBUG 1285 if (intr & ACC_IRQ_STATUS_IRQ_STS) 1286 aprint_normal_dev(&sc->sc_dev, "Codec GPIO IRQ Status\n"); 1287 if (intr & ACC_IRQ_STATUS_WU_IRQ_STS) 1288 aprint_normal_dev(&sc->sc_dev, "Codec GPIO Wakeup IRQ Status\n"); 1289 if (intr & ACC_IRQ_STATUS_BM2_IRQ_STS) 1290 aprint_normal_dev(&sc->sc_dev, "Audio Bus Master 2 IRQ Status\n"); 1291 if (intr & ACC_IRQ_STATUS_BM3_IRQ_STS) 1292 aprint_normal_dev(&sc->sc_dev, "Audio Bus Master 3 IRQ Status\n"); 1293 if (intr & ACC_IRQ_STATUS_BM5_IRQ_STS) 1294 aprint_normal_dev(&sc->sc_dev, "Audio Bus Master 5 IRQ Status\n"); 1295 #endif 1296 1297 done: 1298 mutex_spin_exit(&sc->sc_intr_lock); 1299 1300 return nintr ? 1 : 0; 1301 } 1302 1303 static bool 1304 gcscaudio_resume(device_t dv, const pmf_qual_t *qual) 1305 { 1306 struct gcscaudio_softc *sc = device_private(dv); 1307 1308 gcscaudio_reset_codec(sc); 1309 DELAY(1000); 1310 (sc->codec_if->vtbl->restore_ports)(sc->codec_if); 1311 1312 return true; 1313 } 1314 1315 static int 1316 gcscaudio_allocate_dma(struct gcscaudio_softc *sc, size_t size, void **addrp, 1317 bus_dma_segment_t *seglist, int nseg, int *rsegp, 1318 bus_dmamap_t *mapp) 1319 { 1320 int error; 1321 1322 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, seglist, 1323 nseg, rsegp, BUS_DMA_WAITOK)) != 0) { 1324 aprint_error_dev(&sc->sc_dev, 1325 "unable to allocate DMA buffer, error=%d\n", error); 1326 goto fail_alloc; 1327 } 1328 1329 if ((error = bus_dmamem_map(sc->sc_dmat, seglist, nseg, size, addrp, 1330 BUS_DMA_WAITOK | BUS_DMA_COHERENT)) != 0) { 1331 aprint_error_dev(&sc->sc_dev, 1332 "unable to map DMA buffer, error=%d\n", 1333 error); 1334 goto fail_map; 1335 } 1336 1337 if ((error = bus_dmamap_create(sc->sc_dmat, size, nseg, size, 0, 1338 BUS_DMA_WAITOK, mapp)) != 0) { 1339 aprint_error_dev(&sc->sc_dev, 1340 "unable to create DMA map, error=%d\n", error); 1341 goto fail_create; 1342 } 1343 1344 if ((error = bus_dmamap_load(sc->sc_dmat, *mapp, *addrp, size, NULL, 1345 BUS_DMA_WAITOK)) != 0) { 1346 aprint_error_dev(&sc->sc_dev, 1347 "unable to load DMA map, error=%d\n", error); 1348 goto fail_load; 1349 } 1350 1351 return 0; 1352 1353 fail_load: 1354 bus_dmamap_destroy(sc->sc_dmat, *mapp); 1355 fail_create: 1356 bus_dmamem_unmap(sc->sc_dmat, *addrp, size); 1357 fail_map: 1358 bus_dmamem_free(sc->sc_dmat, seglist, nseg); 1359 fail_alloc: 1360 return error; 1361 } 1362
Indexes created Tue Sep 30 20:09:53 GMT 2025