1 /* $NetBSD: fms.c,v 1.50 2024/01/08 18:37:24 chs Exp $ */ 2 3 /*- 4 * Copyright (c) 1999, 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Witold J. Wnuk. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Forte Media FM801 Audio Device Driver 34 */ 35 36 #include <sys/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: fms.c,v 1.50 2024/01/08 18:37:24 chs Exp $"); 38 39 #include "mpu.h" 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/kernel.h> 44 #include <sys/kmem.h> 45 #include <sys/device.h> 46 #include <sys/audioio.h> 47 48 #include <sys/bus.h> 49 #include <sys/cpu.h> 50 51 #include <dev/pci/pcidevs.h> 52 #include <dev/pci/pcivar.h> 53 54 #include <dev/audio/audio_if.h> 55 56 #include <dev/ic/ac97var.h> 57 #include <dev/ic/mpuvar.h> 58 59 #include <dev/pci/fmsvar.h> 60 61 62 struct fms_dma { 63 struct fms_dma *next; 64 void *addr; 65 size_t size; 66 bus_dmamap_t map; 67 bus_dma_segment_t seg; 68 }; 69 70 71 72 static int fms_match(device_t, cfdata_t, void *); 73 static void fms_attach(device_t, device_t, void *); 74 static int fms_intr(void *); 75 76 static int fms_query_format(void *, audio_format_query_t *); 77 static int fms_set_format(void *, int, 78 const audio_params_t *, const audio_params_t *, 79 audio_filter_reg_t *, audio_filter_reg_t *); 80 static int fms_round_blocksize(void *, int, int, const audio_params_t *); 81 static int fms_halt_output(void *); 82 static int fms_halt_input(void *); 83 static int fms_getdev(void *, struct audio_device *); 84 static int fms_set_port(void *, mixer_ctrl_t *); 85 static int fms_get_port(void *, mixer_ctrl_t *); 86 static int fms_query_devinfo(void *, mixer_devinfo_t *); 87 static void *fms_malloc(void *, int, size_t); 88 static void fms_free(void *, void *, size_t); 89 static int fms_get_props(void *); 90 static int fms_trigger_output(void *, void *, void *, int, 91 void (*)(void *), void *, 92 const audio_params_t *); 93 static int fms_trigger_input(void *, void *, void *, int, 94 void (*)(void *), void *, 95 const audio_params_t *); 96 static void fms_get_locks(void *, kmutex_t **, kmutex_t **); 97 98 CFATTACH_DECL_NEW(fms, sizeof (struct fms_softc), 99 fms_match, fms_attach, NULL, NULL); 100 101 static struct audio_device fms_device = { 102 "Forte Media 801", 103 "1.0", 104 "fms" 105 }; 106 107 /* 108 * The frequency list in this format is also referred from fms_rate2index(). 109 * So don't rearrange or delete entries. 110 */ 111 static const struct audio_format fms_formats[] = { 112 { 113 .mode = AUMODE_PLAY | AUMODE_RECORD, 114 .encoding = AUDIO_ENCODING_SLINEAR_LE, 115 .validbits = 16, 116 .precision = 16, 117 .channels = 2, 118 .channel_mask = AUFMT_STEREO, 119 .frequency_type = 11, 120 .frequency = { 5500, 8000, 9600, 11025, 16000, 19200, 121 22050, 32000, 38400, 44100, 48000}, 122 }, 123 }; 124 #define FMS_NFORMATS __arraycount(fms_formats) 125 126 127 static const struct audio_hw_if fms_hw_if = { 128 .query_format = fms_query_format, 129 .set_format = fms_set_format, 130 .round_blocksize = fms_round_blocksize, 131 .halt_output = fms_halt_output, 132 .halt_input = fms_halt_input, 133 .getdev = fms_getdev, 134 .set_port = fms_set_port, 135 .get_port = fms_get_port, 136 .query_devinfo = fms_query_devinfo, 137 .allocm = fms_malloc, 138 .freem = fms_free, 139 .get_props = fms_get_props, 140 .trigger_output = fms_trigger_output, 141 .trigger_input = fms_trigger_input, 142 .get_locks = fms_get_locks, 143 }; 144 145 static int fms_attach_codec(void *, struct ac97_codec_if *); 146 static int fms_read_codec(void *, uint8_t, uint16_t *); 147 static int fms_write_codec(void *, uint8_t, uint16_t); 148 static int fms_reset_codec(void *); 149 static int fms_rate2index(u_int); 150 151 #define FM_PCM_VOLUME 0x00 152 #define FM_FM_VOLUME 0x02 153 #define FM_I2S_VOLUME 0x04 154 #define FM_RECORD_SOURCE 0x06 155 156 #define FM_PLAY_CTL 0x08 157 #define FM_PLAY_RATE_MASK 0x0f00 158 #define FM_PLAY_BUF1_LAST 0x0001 159 #define FM_PLAY_BUF2_LAST 0x0002 160 #define FM_PLAY_START 0x0020 161 #define FM_PLAY_PAUSE 0x0040 162 #define FM_PLAY_STOPNOW 0x0080 163 #define FM_PLAY_16BIT 0x4000 164 #define FM_PLAY_STEREO 0x8000 165 166 #define FM_PLAY_DMALEN 0x0a 167 #define FM_PLAY_DMABUF1 0x0c 168 #define FM_PLAY_DMABUF2 0x10 169 170 171 #define FM_REC_CTL 0x14 172 #define FM_REC_RATE_MASK 0x0f00 173 #define FM_REC_BUF1_LAST 0x0001 174 #define FM_REC_BUF2_LAST 0x0002 175 #define FM_REC_START 0x0020 176 #define FM_REC_PAUSE 0x0040 177 #define FM_REC_STOPNOW 0x0080 178 #define FM_REC_16BIT 0x4000 179 #define FM_REC_STEREO 0x8000 180 181 182 #define FM_REC_DMALEN 0x16 183 #define FM_REC_DMABUF1 0x18 184 #define FM_REC_DMABUF2 0x1c 185 186 #define FM_CODEC_CTL 0x22 187 #define FM_VOLUME 0x26 188 #define FM_VOLUME_MUTE 0x8000 189 190 #define FM_CODEC_CMD 0x2a 191 #define FM_CODEC_CMD_READ 0x0080 192 #define FM_CODEC_CMD_VALID 0x0100 193 #define FM_CODEC_CMD_BUSY 0x0200 194 195 #define FM_CODEC_DATA 0x2c 196 197 #define FM_IO_CTL 0x52 198 #define FM_CARD_CTL 0x54 199 200 #define FM_INTMASK 0x56 201 #define FM_INTMASK_PLAY 0x0001 202 #define FM_INTMASK_REC 0x0002 203 #define FM_INTMASK_VOL 0x0040 204 #define FM_INTMASK_MPU 0x0080 205 206 #define FM_INTSTATUS 0x5a 207 #define FM_INTSTATUS_PLAY 0x0100 208 #define FM_INTSTATUS_REC 0x0200 209 #define FM_INTSTATUS_VOL 0x4000 210 #define FM_INTSTATUS_MPU 0x8000 211 212 213 static int 214 fms_match(device_t parent, cfdata_t match, void *aux) 215 { 216 struct pci_attach_args *pa; 217 218 pa = (struct pci_attach_args *)aux; 219 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_FORTEMEDIA) 220 return 0; 221 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_FORTEMEDIA_FM801) 222 return 0; 223 224 return 1; 225 } 226 227 static void 228 fms_attach(device_t parent, device_t self, void *aux) 229 { 230 struct pci_attach_args *pa; 231 struct fms_softc *sc; 232 struct audio_attach_args aa; 233 const char *intrstr; 234 pci_chipset_tag_t pc; 235 pcitag_t pt; 236 pci_intr_handle_t ih; 237 uint16_t k1; 238 char intrbuf[PCI_INTRSTR_LEN]; 239 240 pa = aux; 241 sc = device_private(self); 242 sc->sc_dev = self; 243 intrstr = NULL; 244 pc = pa->pa_pc; 245 pt = pa->pa_tag; 246 aprint_naive(": Audio controller\n"); 247 aprint_normal(": Forte Media FM-801\n"); 248 249 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot, 250 &sc->sc_ioh, &sc->sc_ioaddr, &sc->sc_iosize)) { 251 aprint_error_dev(sc->sc_dev, "can't map i/o space\n"); 252 return; 253 } 254 if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x30, 2, 255 &sc->sc_mpu_ioh)) 256 panic("fms_attach: can't get mpu subregion handle"); 257 if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x68, 4, 258 &sc->sc_opl_ioh)) 259 panic("fms_attach: can't get opl subregion handle"); 260 261 if (pci_intr_map(pa, &ih)) { 262 aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n"); 263 return; 264 } 265 intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf)); 266 267 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE); 268 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO); 269 270 sc->sc_ih = pci_intr_establish_xname(pc, ih, IPL_AUDIO, fms_intr, sc, 271 device_xname(self)); 272 if (sc->sc_ih == NULL) { 273 aprint_error_dev(sc->sc_dev, "couldn't establish interrupt"); 274 if (intrstr != NULL) 275 aprint_error(" at %s", intrstr); 276 aprint_error("\n"); 277 mutex_destroy(&sc->sc_lock); 278 mutex_destroy(&sc->sc_intr_lock); 279 return; 280 } 281 282 sc->sc_dmat = pa->pa_dmat; 283 284 aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr); 285 286 /* Disable legacy audio (SBPro compatibility) */ 287 pci_conf_write(pc, pt, 0x40, 0); 288 289 /* Reset codec and AC'97 */ 290 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020); 291 delay(2); /* > 1us according to AC'97 documentation */ 292 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000); 293 delay(1); /* > 168.2ns according to AC'97 documentation */ 294 295 /* Set up volume */ 296 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PCM_VOLUME, 0x0808); 297 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_FM_VOLUME, 0x0808); 298 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_I2S_VOLUME, 0x0808); 299 300 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_RECORD_SOURCE, 0x0000); 301 302 /* Unmask playback, record and mpu interrupts, mask the rest */ 303 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTMASK); 304 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTMASK, 305 (k1 & ~(FM_INTMASK_PLAY | FM_INTMASK_REC | FM_INTMASK_MPU)) | 306 FM_INTMASK_VOL); 307 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS, 308 FM_INTSTATUS_PLAY | FM_INTSTATUS_REC | FM_INTSTATUS_MPU | 309 FM_INTSTATUS_VOL); 310 311 sc->host_if.arg = sc; 312 sc->host_if.attach = fms_attach_codec; 313 sc->host_if.read = fms_read_codec; 314 sc->host_if.write = fms_write_codec; 315 sc->host_if.reset = fms_reset_codec; 316 317 if (ac97_attach(&sc->host_if, self, &sc->sc_lock) != 0) { 318 mutex_destroy(&sc->sc_intr_lock); 319 mutex_destroy(&sc->sc_lock); 320 return; 321 } 322 323 audio_attach_mi(&fms_hw_if, sc, sc->sc_dev); 324 325 aa.type = AUDIODEV_TYPE_OPL; 326 aa.hwif = NULL; 327 aa.hdl = NULL; 328 config_found(sc->sc_dev, &aa, audioprint, CFARGS(.iattr = "fms")); 329 330 aa.type = AUDIODEV_TYPE_MPU; 331 aa.hwif = NULL; 332 aa.hdl = NULL; 333 sc->sc_mpu_dev = config_found(sc->sc_dev, &aa, audioprint, 334 CFARGS(.iattr = "fms")); 335 } 336 337 /* 338 * Each AC-link frame takes 20.8us, data should be ready in next frame, 339 * we allow more than two. 340 */ 341 #define TIMO 50 342 static int 343 fms_read_codec(void *addr, uint8_t reg, uint16_t *val) 344 { 345 struct fms_softc *sc; 346 int i; 347 348 sc = addr; 349 /* Poll until codec is ready */ 350 for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh, 351 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++) 352 delay(1); 353 if (i >= TIMO) { 354 printf("fms: codec busy\n"); 355 return 1; 356 } 357 358 /* Write register index, read access */ 359 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD, 360 reg | FM_CODEC_CMD_READ); 361 362 /* Poll until we have valid data */ 363 for (i = 0; i < TIMO && !(bus_space_read_2(sc->sc_iot, sc->sc_ioh, 364 FM_CODEC_CMD) & FM_CODEC_CMD_VALID); i++) 365 delay(1); 366 if (i >= TIMO) { 367 printf("fms: no data from codec\n"); 368 return 1; 369 } 370 371 /* Read data */ 372 *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA); 373 return 0; 374 } 375 376 static int 377 fms_write_codec(void *addr, uint8_t reg, uint16_t val) 378 { 379 struct fms_softc *sc = addr; 380 int i; 381 382 /* Poll until codec is ready */ 383 for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh, 384 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++) 385 delay(1); 386 if (i >= TIMO) { 387 printf("fms: codec busy\n"); 388 return 1; 389 } 390 391 /* Write data */ 392 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA, val); 393 /* Write index register, write access */ 394 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD, reg); 395 return 0; 396 } 397 #undef TIMO 398 399 static int 400 fms_attach_codec(void *addr, struct ac97_codec_if *cif) 401 { 402 struct fms_softc *sc; 403 404 sc = addr; 405 sc->codec_if = cif; 406 return 0; 407 } 408 409 /* Cold Reset */ 410 static int 411 fms_reset_codec(void *addr) 412 { 413 struct fms_softc *sc; 414 415 sc = addr; 416 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020); 417 delay(2); 418 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000); 419 delay(1); 420 return 0; 421 } 422 423 static int 424 fms_intr(void *arg) 425 { 426 struct fms_softc *sc = arg; 427 #if NMPU > 0 428 struct mpu_softc *sc_mpu = device_private(sc->sc_mpu_dev); 429 #endif 430 uint16_t istat; 431 432 mutex_spin_enter(&sc->sc_intr_lock); 433 434 istat = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS); 435 436 if (istat & FM_INTSTATUS_PLAY) { 437 if ((sc->sc_play_nextblk += sc->sc_play_blksize) >= 438 sc->sc_play_end) 439 sc->sc_play_nextblk = sc->sc_play_start; 440 441 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 442 sc->sc_play_flip++ & 1 ? 443 FM_PLAY_DMABUF2 : FM_PLAY_DMABUF1, sc->sc_play_nextblk); 444 445 if (sc->sc_pintr) 446 sc->sc_pintr(sc->sc_parg); 447 else 448 printf("unexpected play intr\n"); 449 } 450 451 if (istat & FM_INTSTATUS_REC) { 452 if ((sc->sc_rec_nextblk += sc->sc_rec_blksize) >= 453 sc->sc_rec_end) 454 sc->sc_rec_nextblk = sc->sc_rec_start; 455 456 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 457 sc->sc_rec_flip++ & 1 ? 458 FM_REC_DMABUF2 : FM_REC_DMABUF1, sc->sc_rec_nextblk); 459 460 if (sc->sc_rintr) 461 sc->sc_rintr(sc->sc_rarg); 462 else 463 printf("unexpected rec intr\n"); 464 } 465 466 #if NMPU > 0 467 if (istat & FM_INTSTATUS_MPU) 468 mpu_intr(sc_mpu); 469 #endif 470 471 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS, 472 istat & (FM_INTSTATUS_PLAY | FM_INTSTATUS_REC)); 473 474 mutex_spin_exit(&sc->sc_intr_lock); 475 476 return 1; 477 } 478 479 static int 480 fms_query_format(void *addr, audio_format_query_t *afp) 481 { 482 483 return audio_query_format(fms_formats, FMS_NFORMATS, afp); 484 } 485 486 /* Return index number of sample_rate */ 487 static int 488 fms_rate2index(u_int sample_rate) 489 { 490 int i; 491 492 for (i = 0; i < fms_formats[0].frequency_type; i++) { 493 if (sample_rate == fms_formats[0].frequency[i]) 494 return i; 495 } 496 497 /* NOTREACHED */ 498 panic("fms_format.frequency mismatch?\n"); 499 } 500 501 static int 502 fms_set_format(void *addr, int setmode, 503 const audio_params_t *play, const audio_params_t *rec, 504 audio_filter_reg_t *pfil, audio_filter_reg_t *rfil) 505 { 506 struct fms_softc *sc; 507 508 sc = addr; 509 if (setmode & AUMODE_PLAY) { 510 sc->sc_play_reg = fms_rate2index(play->sample_rate) << 8; 511 sc->sc_play_reg |= FM_PLAY_STEREO; 512 sc->sc_play_reg |= FM_PLAY_16BIT; 513 } 514 515 if (setmode & AUMODE_RECORD) { 516 sc->sc_rec_reg = fms_rate2index(rec->sample_rate) << 8; 517 sc->sc_rec_reg |= FM_REC_STEREO; 518 sc->sc_rec_reg |= FM_REC_16BIT; 519 } 520 521 return 0; 522 } 523 524 static int 525 fms_round_blocksize(void *addr, int blk, int mode, 526 const audio_params_t *param) 527 { 528 529 return blk & ~0xf; 530 } 531 532 static int 533 fms_halt_output(void *addr) 534 { 535 struct fms_softc *sc; 536 uint16_t k1; 537 538 sc = addr; 539 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL); 540 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL, 541 (k1 & ~(FM_PLAY_STOPNOW | FM_PLAY_START)) | 542 FM_PLAY_BUF1_LAST | FM_PLAY_BUF2_LAST); 543 544 return 0; 545 } 546 547 static int 548 fms_halt_input(void *addr) 549 { 550 struct fms_softc *sc; 551 uint16_t k1; 552 553 sc = addr; 554 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL); 555 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL, 556 (k1 & ~(FM_REC_STOPNOW | FM_REC_START)) | 557 FM_REC_BUF1_LAST | FM_REC_BUF2_LAST); 558 559 return 0; 560 } 561 562 static int 563 fms_getdev(void *addr, struct audio_device *retp) 564 { 565 566 *retp = fms_device; 567 return 0; 568 } 569 570 static int 571 fms_set_port(void *addr, mixer_ctrl_t *cp) 572 { 573 struct fms_softc *sc; 574 575 sc = addr; 576 return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp); 577 } 578 579 static int 580 fms_get_port(void *addr, mixer_ctrl_t *cp) 581 { 582 struct fms_softc *sc; 583 584 sc = addr; 585 return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp); 586 } 587 588 static void * 589 fms_malloc(void *addr, int direction, size_t size) 590 { 591 struct fms_softc *sc; 592 struct fms_dma *p; 593 int error; 594 int rseg; 595 596 sc = addr; 597 p = kmem_alloc(sizeof(*p), KM_SLEEP); 598 p->size = size; 599 600 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg, 601 1, &rseg, BUS_DMA_WAITOK)) != 0) { 602 aprint_error_dev(sc->sc_dev, "unable to allocate DMA, error = %d\n", error); 603 goto fail_alloc; 604 } 605 606 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr, 607 BUS_DMA_WAITOK | BUS_DMA_COHERENT)) != 0) { 608 aprint_error_dev(sc->sc_dev, "unable to map DMA, error = %d\n", 609 error); 610 goto fail_map; 611 } 612 613 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 614 BUS_DMA_WAITOK, &p->map)) != 0) { 615 aprint_error_dev(sc->sc_dev, "unable to create DMA map, error = %d\n", 616 error); 617 goto fail_create; 618 } 619 620 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL, 621 BUS_DMA_WAITOK)) != 0) { 622 aprint_error_dev(sc->sc_dev, "unable to load DMA map, error = %d\n", 623 error); 624 goto fail_load; 625 } 626 627 p->next = sc->sc_dmas; 628 sc->sc_dmas = p; 629 630 return p->addr; 631 632 633 fail_load: 634 bus_dmamap_destroy(sc->sc_dmat, p->map); 635 fail_create: 636 bus_dmamem_unmap(sc->sc_dmat, p->addr, size); 637 fail_map: 638 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 639 fail_alloc: 640 kmem_free(p, sizeof(*p)); 641 return NULL; 642 } 643 644 static void 645 fms_free(void *addr, void *ptr, size_t size) 646 { 647 struct fms_softc *sc; 648 struct fms_dma **pp, *p; 649 650 sc = addr; 651 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next) 652 if (p->addr == ptr) { 653 bus_dmamap_unload(sc->sc_dmat, p->map); 654 bus_dmamap_destroy(sc->sc_dmat, p->map); 655 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 656 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 657 658 *pp = p->next; 659 kmem_free(p, sizeof(*p)); 660 return; 661 } 662 663 panic("fms_free: trying to free unallocated memory"); 664 } 665 666 static int 667 fms_get_props(void *addr) 668 { 669 670 return AUDIO_PROP_PLAYBACK | AUDIO_PROP_CAPTURE | 671 AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX; 672 } 673 674 static int 675 fms_query_devinfo(void *addr, mixer_devinfo_t *dip) 676 { 677 struct fms_softc *sc; 678 679 sc = addr; 680 return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip); 681 } 682 683 static int 684 fms_trigger_output(void *addr, void *start, void *end, int blksize, 685 void (*intr)(void *), void *arg, const audio_params_t *param) 686 { 687 struct fms_softc *sc; 688 struct fms_dma *p; 689 690 sc = addr; 691 sc->sc_pintr = intr; 692 sc->sc_parg = arg; 693 694 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 695 continue; 696 697 if (p == NULL) 698 panic("fms_trigger_output: request with bad start " 699 "address (%p)", start); 700 701 sc->sc_play_start = p->map->dm_segs[0].ds_addr; 702 sc->sc_play_end = sc->sc_play_start + ((char *)end - (char *)start); 703 sc->sc_play_blksize = blksize; 704 sc->sc_play_nextblk = sc->sc_play_start + sc->sc_play_blksize; 705 sc->sc_play_flip = 0; 706 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMALEN, blksize - 1); 707 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF1, 708 sc->sc_play_start); 709 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF2, 710 sc->sc_play_nextblk); 711 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL, 712 FM_PLAY_START | FM_PLAY_STOPNOW | sc->sc_play_reg); 713 return 0; 714 } 715 716 717 static int 718 fms_trigger_input(void *addr, void *start, void *end, int blksize, 719 void (*intr)(void *), void *arg, const audio_params_t *param) 720 { 721 struct fms_softc *sc; 722 struct fms_dma *p; 723 724 sc = addr; 725 sc->sc_rintr = intr; 726 sc->sc_rarg = arg; 727 728 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 729 continue; 730 731 if (p == NULL) 732 panic("fms_trigger_input: request with bad start " 733 "address (%p)", start); 734 735 sc->sc_rec_start = p->map->dm_segs[0].ds_addr; 736 sc->sc_rec_end = sc->sc_rec_start + ((char *)end - (char *)start); 737 sc->sc_rec_blksize = blksize; 738 sc->sc_rec_nextblk = sc->sc_rec_start + sc->sc_rec_blksize; 739 sc->sc_rec_flip = 0; 740 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_DMALEN, blksize - 1); 741 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF1, 742 sc->sc_rec_start); 743 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF2, 744 sc->sc_rec_nextblk); 745 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL, 746 FM_REC_START | FM_REC_STOPNOW | sc->sc_rec_reg); 747 return 0; 748 } 749 750 static void 751 fms_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread) 752 { 753 struct fms_softc *sc; 754 755 sc = addr; 756 *intr = &sc->sc_intr_lock; 757 *thread = &sc->sc_lock; 758 } 759
Indexes created Tue Sep 23 21:09:50 GMT 2025