fms.c revision 1.38
1 /* $NetBSD: fms.c,v 1.38 2010/11/13 13:52:05 uebayasi Exp $ */ 2 3 /*- 4 * Copyright (c) 1999 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 1.38 2010/11/13 13:52:05 uebayasi 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/malloc.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_if.h> 55 #include <dev/mulaw.h> 56 #include <dev/auconv.h> 57 58 #include <dev/ic/ac97var.h> 59 #include <dev/ic/mpuvar.h> 60 61 #include <dev/pci/fmsvar.h> 62 63 64 struct fms_dma { 65 struct fms_dma *next; 66 void *addr; 67 size_t size; 68 bus_dmamap_t map; 69 bus_dma_segment_t seg; 70 }; 71 72 73 74 static int fms_match(device_t, cfdata_t, void *); 75 static void fms_attach(device_t, device_t, void *); 76 static int fms_intr(void *); 77 78 static int fms_query_encoding(void *, struct audio_encoding *); 79 static int fms_set_params(void *, int, int, audio_params_t *, 80 audio_params_t *, stream_filter_list_t *, 81 stream_filter_list_t *); 82 static int fms_round_blocksize(void *, int, int, const audio_params_t *); 83 static int fms_halt_output(void *); 84 static int fms_halt_input(void *); 85 static int fms_getdev(void *, struct audio_device *); 86 static int fms_set_port(void *, mixer_ctrl_t *); 87 static int fms_get_port(void *, mixer_ctrl_t *); 88 static int fms_query_devinfo(void *, mixer_devinfo_t *); 89 static void *fms_malloc(void *, int, size_t, struct malloc_type *, int); 90 static void fms_free(void *, void *, struct malloc_type *); 91 static size_t fms_round_buffersize(void *, int, size_t); 92 static paddr_t fms_mappage(void *, void *, off_t, int); 93 static int fms_get_props(void *); 94 static int fms_trigger_output(void *, void *, void *, int, 95 void (*)(void *), void *, 96 const audio_params_t *); 97 static int fms_trigger_input(void *, void *, void *, int, 98 void (*)(void *), void *, 99 const audio_params_t *); 100 101 CFATTACH_DECL(fms, sizeof (struct fms_softc), 102 fms_match, fms_attach, NULL, NULL); 103 104 static struct audio_device fms_device = { 105 "Forte Media 801", 106 "1.0", 107 "fms" 108 }; 109 110 111 static const struct audio_hw_if fms_hw_if = { 112 NULL, /* open */ 113 NULL, /* close */ 114 NULL, 115 fms_query_encoding, 116 fms_set_params, 117 fms_round_blocksize, 118 NULL, 119 NULL, 120 NULL, 121 NULL, 122 NULL, 123 fms_halt_output, 124 fms_halt_input, 125 NULL, 126 fms_getdev, 127 NULL, 128 fms_set_port, 129 fms_get_port, 130 fms_query_devinfo, 131 fms_malloc, 132 fms_free, 133 fms_round_buffersize, 134 fms_mappage, 135 fms_get_props, 136 fms_trigger_output, 137 fms_trigger_input, 138 NULL, 139 NULL, 140 }; 141 142 static int fms_attach_codec(void *, struct ac97_codec_if *); 143 static int fms_read_codec(void *, uint8_t, uint16_t *); 144 static int fms_write_codec(void *, uint8_t, uint16_t); 145 static int fms_reset_codec(void *); 146 147 #define FM_PCM_VOLUME 0x00 148 #define FM_FM_VOLUME 0x02 149 #define FM_I2S_VOLUME 0x04 150 #define FM_RECORD_SOURCE 0x06 151 152 #define FM_PLAY_CTL 0x08 153 #define FM_PLAY_RATE_MASK 0x0f00 154 #define FM_PLAY_BUF1_LAST 0x0001 155 #define FM_PLAY_BUF2_LAST 0x0002 156 #define FM_PLAY_START 0x0020 157 #define FM_PLAY_PAUSE 0x0040 158 #define FM_PLAY_STOPNOW 0x0080 159 #define FM_PLAY_16BIT 0x4000 160 #define FM_PLAY_STEREO 0x8000 161 162 #define FM_PLAY_DMALEN 0x0a 163 #define FM_PLAY_DMABUF1 0x0c 164 #define FM_PLAY_DMABUF2 0x10 165 166 167 #define FM_REC_CTL 0x14 168 #define FM_REC_RATE_MASK 0x0f00 169 #define FM_REC_BUF1_LAST 0x0001 170 #define FM_REC_BUF2_LAST 0x0002 171 #define FM_REC_START 0x0020 172 #define FM_REC_PAUSE 0x0040 173 #define FM_REC_STOPNOW 0x0080 174 #define FM_REC_16BIT 0x4000 175 #define FM_REC_STEREO 0x8000 176 177 178 #define FM_REC_DMALEN 0x16 179 #define FM_REC_DMABUF1 0x18 180 #define FM_REC_DMABUF2 0x1c 181 182 #define FM_CODEC_CTL 0x22 183 #define FM_VOLUME 0x26 184 #define FM_VOLUME_MUTE 0x8000 185 186 #define FM_CODEC_CMD 0x2a 187 #define FM_CODEC_CMD_READ 0x0080 188 #define FM_CODEC_CMD_VALID 0x0100 189 #define FM_CODEC_CMD_BUSY 0x0200 190 191 #define FM_CODEC_DATA 0x2c 192 193 #define FM_IO_CTL 0x52 194 #define FM_CARD_CTL 0x54 195 196 #define FM_INTMASK 0x56 197 #define FM_INTMASK_PLAY 0x0001 198 #define FM_INTMASK_REC 0x0002 199 #define FM_INTMASK_VOL 0x0040 200 #define FM_INTMASK_MPU 0x0080 201 202 #define FM_INTSTATUS 0x5a 203 #define FM_INTSTATUS_PLAY 0x0100 204 #define FM_INTSTATUS_REC 0x0200 205 #define FM_INTSTATUS_VOL 0x4000 206 #define FM_INTSTATUS_MPU 0x8000 207 208 209 static int 210 fms_match(device_t parent, cfdata_t match, void *aux) 211 { 212 struct pci_attach_args *pa; 213 214 pa = (struct pci_attach_args *)aux; 215 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_FORTEMEDIA) 216 return 0; 217 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_FORTEMEDIA_FM801) 218 return 0; 219 220 return 1; 221 } 222 223 static void 224 fms_attach(device_t parent, device_t self, void *aux) 225 { 226 struct pci_attach_args *pa; 227 struct fms_softc *sc; 228 struct audio_attach_args aa; 229 const char *intrstr; 230 pci_chipset_tag_t pc; 231 pcitag_t pt; 232 pci_intr_handle_t ih; 233 uint16_t k1; 234 235 pa = aux; 236 sc = device_private(self); 237 intrstr = NULL; 238 pc = pa->pa_pc; 239 pt = pa->pa_tag; 240 aprint_naive(": Audio controller\n"); 241 aprint_normal(": Forte Media FM-801\n"); 242 243 if (pci_intr_map(pa, &ih)) { 244 aprint_error_dev(&sc->sc_dev, "couldn't map interrupt\n"); 245 return; 246 } 247 intrstr = pci_intr_string(pc, ih); 248 249 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, fms_intr, sc); 250 if (sc->sc_ih == NULL) { 251 aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt"); 252 if (intrstr != NULL) 253 aprint_error(" at %s", intrstr); 254 aprint_error("\n"); 255 return; 256 } 257 258 sc->sc_dmat = pa->pa_dmat; 259 260 aprint_normal_dev(&sc->sc_dev, "interrupting at %s\n", intrstr); 261 262 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot, 263 &sc->sc_ioh, &sc->sc_ioaddr, &sc->sc_iosize)) { 264 aprint_error_dev(&sc->sc_dev, "can't map i/o space\n"); 265 return; 266 } 267 268 if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x30, 2, 269 &sc->sc_mpu_ioh)) 270 panic("fms_attach: can't get mpu subregion handle"); 271 272 if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x68, 4, 273 &sc->sc_opl_ioh)) 274 panic("fms_attach: can't get opl subregion handle"); 275 276 /* Disable legacy audio (SBPro compatibility) */ 277 pci_conf_write(pc, pt, 0x40, 0); 278 279 /* Reset codec and AC'97 */ 280 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020); 281 delay(2); /* > 1us according to AC'97 documentation */ 282 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000); 283 delay(1); /* > 168.2ns according to AC'97 documentation */ 284 285 /* Set up volume */ 286 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PCM_VOLUME, 0x0808); 287 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_FM_VOLUME, 0x0808); 288 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_I2S_VOLUME, 0x0808); 289 290 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_RECORD_SOURCE, 0x0000); 291 292 /* Unmask playback, record and mpu interrupts, mask the rest */ 293 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTMASK); 294 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTMASK, 295 (k1 & ~(FM_INTMASK_PLAY | FM_INTMASK_REC | FM_INTMASK_MPU)) | 296 FM_INTMASK_VOL); 297 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS, 298 FM_INTSTATUS_PLAY | FM_INTSTATUS_REC | FM_INTSTATUS_MPU | 299 FM_INTSTATUS_VOL); 300 301 sc->host_if.arg = sc; 302 sc->host_if.attach = fms_attach_codec; 303 sc->host_if.read = fms_read_codec; 304 sc->host_if.write = fms_write_codec; 305 sc->host_if.reset = fms_reset_codec; 306 307 if (ac97_attach(&sc->host_if, self) != 0) 308 return; 309 310 audio_attach_mi(&fms_hw_if, sc, &sc->sc_dev); 311 312 aa.type = AUDIODEV_TYPE_OPL; 313 aa.hwif = NULL; 314 aa.hdl = NULL; 315 config_found(&sc->sc_dev, &aa, audioprint); 316 317 aa.type = AUDIODEV_TYPE_MPU; 318 aa.hwif = NULL; 319 aa.hdl = NULL; 320 sc->sc_mpu_dev = config_found(&sc->sc_dev, &aa, audioprint); 321 } 322 323 /* 324 * Each AC-link frame takes 20.8us, data should be ready in next frame, 325 * we allow more than two. 326 */ 327 #define TIMO 50 328 static int 329 fms_read_codec(void *addr, uint8_t reg, uint16_t *val) 330 { 331 struct fms_softc *sc; 332 int i; 333 334 sc = addr; 335 /* Poll until codec is ready */ 336 for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh, 337 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++) 338 delay(1); 339 if (i >= TIMO) { 340 printf("fms: codec busy\n"); 341 return 1; 342 } 343 344 /* Write register index, read access */ 345 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD, 346 reg | FM_CODEC_CMD_READ); 347 348 /* Poll until we have valid data */ 349 for (i = 0; i < TIMO && !(bus_space_read_2(sc->sc_iot, sc->sc_ioh, 350 FM_CODEC_CMD) & FM_CODEC_CMD_VALID); i++) 351 delay(1); 352 if (i >= TIMO) { 353 printf("fms: no data from codec\n"); 354 return 1; 355 } 356 357 /* Read data */ 358 *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA); 359 return 0; 360 } 361 362 static int 363 fms_write_codec(void *addr, uint8_t reg, uint16_t val) 364 { 365 struct fms_softc *sc = addr; 366 int i; 367 368 /* Poll until codec is ready */ 369 for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh, 370 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++) 371 delay(1); 372 if (i >= TIMO) { 373 printf("fms: codec busy\n"); 374 return 1; 375 } 376 377 /* Write data */ 378 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA, val); 379 /* Write index register, write access */ 380 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD, reg); 381 return 0; 382 } 383 #undef TIMO 384 385 static int 386 fms_attach_codec(void *addr, struct ac97_codec_if *cif) 387 { 388 struct fms_softc *sc; 389 390 sc = addr; 391 sc->codec_if = cif; 392 return 0; 393 } 394 395 /* Cold Reset */ 396 static int 397 fms_reset_codec(void *addr) 398 { 399 struct fms_softc *sc; 400 401 sc = addr; 402 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020); 403 delay(2); 404 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000); 405 delay(1); 406 return 0; 407 } 408 409 static int 410 fms_intr(void *arg) 411 { 412 struct fms_softc *sc = arg; 413 #if NMPU > 0 414 struct mpu_softc *sc_mpu = device_private(sc->sc_mpu_dev); 415 #endif 416 uint16_t istat; 417 418 istat = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS); 419 420 if (istat & FM_INTSTATUS_PLAY) { 421 if ((sc->sc_play_nextblk += sc->sc_play_blksize) >= 422 sc->sc_play_end) 423 sc->sc_play_nextblk = sc->sc_play_start; 424 425 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 426 sc->sc_play_flip++ & 1 ? 427 FM_PLAY_DMABUF2 : FM_PLAY_DMABUF1, sc->sc_play_nextblk); 428 429 if (sc->sc_pintr) 430 sc->sc_pintr(sc->sc_parg); 431 else 432 printf("unexpected play intr\n"); 433 } 434 435 if (istat & FM_INTSTATUS_REC) { 436 if ((sc->sc_rec_nextblk += sc->sc_rec_blksize) >= 437 sc->sc_rec_end) 438 sc->sc_rec_nextblk = sc->sc_rec_start; 439 440 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 441 sc->sc_rec_flip++ & 1 ? 442 FM_REC_DMABUF2 : FM_REC_DMABUF1, sc->sc_rec_nextblk); 443 444 if (sc->sc_rintr) 445 sc->sc_rintr(sc->sc_rarg); 446 else 447 printf("unexpected rec intr\n"); 448 } 449 450 #if NMPU > 0 451 if (istat & FM_INTSTATUS_MPU) 452 mpu_intr(sc_mpu); 453 #endif 454 455 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS, 456 istat & (FM_INTSTATUS_PLAY | FM_INTSTATUS_REC)); 457 458 return 1; 459 } 460 461 static int 462 fms_query_encoding(void *addr, struct audio_encoding *fp) 463 { 464 465 switch (fp->index) { 466 case 0: 467 strcpy(fp->name, AudioEmulaw); 468 fp->encoding = AUDIO_ENCODING_ULAW; 469 fp->precision = 8; 470 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 471 return 0; 472 case 1: 473 strcpy(fp->name, AudioEslinear_le); 474 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 475 fp->precision = 16; 476 fp->flags = 0; 477 return 0; 478 case 2: 479 strcpy(fp->name, AudioEulinear); 480 fp->encoding = AUDIO_ENCODING_ULINEAR; 481 fp->precision = 8; 482 fp->flags = 0; 483 return 0; 484 case 3: 485 strcpy(fp->name, AudioEalaw); 486 fp->encoding = AUDIO_ENCODING_ALAW; 487 fp->precision = 8; 488 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 489 return 0; 490 case 4: 491 strcpy(fp->name, AudioEulinear_le); 492 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 493 fp->precision = 16; 494 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 495 return 0; 496 case 5: 497 strcpy(fp->name, AudioEslinear); 498 fp->encoding = AUDIO_ENCODING_SLINEAR; 499 fp->precision = 8; 500 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 501 return 0; 502 case 6: 503 strcpy(fp->name, AudioEulinear_be); 504 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 505 fp->precision = 16; 506 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 507 return 0; 508 case 7: 509 strcpy(fp->name, AudioEslinear_be); 510 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 511 fp->precision = 16; 512 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 513 return 0; 514 default: 515 return EINVAL; 516 } 517 } 518 519 /* 520 * Range below -limit- is set to -rate- 521 * What a pity FM801 does not have 24000 522 * 24000 -> 22050 sounds rather poor 523 */ 524 static struct { 525 int limit; 526 int rate; 527 } const fms_rates[11] = { 528 { 6600, 5500 }, 529 { 8750, 8000 }, 530 { 10250, 9600 }, 531 { 13200, 11025 }, 532 { 17500, 16000 }, 533 { 20500, 19200 }, 534 { 26500, 22050 }, 535 { 35000, 32000 }, 536 { 41000, 38400 }, 537 { 46000, 44100 }, 538 { 48000, 48000 }, 539 /* anything above -> 48000 */ 540 }; 541 542 #define FMS_NFORMATS 4 543 static const struct audio_format fms_formats[FMS_NFORMATS] = { 544 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 545 2, AUFMT_STEREO, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050, 546 32000, 38400, 44100, 48000}}, 547 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 548 1, AUFMT_MONAURAL, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050, 549 32000, 38400, 44100, 48000}}, 550 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8, 551 2, AUFMT_STEREO, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050, 552 32000, 38400, 44100, 48000}}, 553 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8, 554 1, AUFMT_MONAURAL, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050, 555 32000, 38400, 44100, 48000}}, 556 }; 557 558 static int 559 fms_set_params(void *addr, int setmode, int usemode, 560 audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil, 561 stream_filter_list_t *rfil) 562 { 563 struct fms_softc *sc; 564 int i, index; 565 566 sc = addr; 567 if (setmode & AUMODE_PLAY) { 568 for (i = 0; i < 10 && play->sample_rate > fms_rates[i].limit; 569 i++) 570 continue; 571 play->sample_rate = fms_rates[i].rate; 572 index = auconv_set_converter(fms_formats, FMS_NFORMATS, 573 AUMODE_PLAY, play, FALSE, pfil); 574 if (index < 0) 575 return EINVAL; 576 sc->sc_play_reg = i << 8; 577 if (fms_formats[index].channels == 2) 578 sc->sc_play_reg |= FM_PLAY_STEREO; 579 if (fms_formats[index].precision == 16) 580 sc->sc_play_reg |= FM_PLAY_16BIT; 581 } 582 583 if (setmode & AUMODE_RECORD) { 584 for (i = 0; i < 10 && rec->sample_rate > fms_rates[i].limit; 585 i++) 586 continue; 587 rec->sample_rate = fms_rates[i].rate; 588 index = auconv_set_converter(fms_formats, FMS_NFORMATS, 589 AUMODE_RECORD, rec, FALSE, rfil); 590 if (index < 0) 591 return EINVAL; 592 sc->sc_rec_reg = i << 8; 593 if (fms_formats[index].channels == 2) 594 sc->sc_rec_reg |= FM_REC_STEREO; 595 if (fms_formats[index].precision == 16) 596 sc->sc_rec_reg |= FM_REC_16BIT; 597 } 598 599 return 0; 600 } 601 602 static int 603 fms_round_blocksize(void *addr, int blk, int mode, 604 const audio_params_t *param) 605 { 606 607 return blk & ~0xf; 608 } 609 610 static int 611 fms_halt_output(void *addr) 612 { 613 struct fms_softc *sc; 614 uint16_t k1; 615 616 sc = addr; 617 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL); 618 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL, 619 (k1 & ~(FM_PLAY_STOPNOW | FM_PLAY_START)) | 620 FM_PLAY_BUF1_LAST | FM_PLAY_BUF2_LAST); 621 622 return 0; 623 } 624 625 static int 626 fms_halt_input(void *addr) 627 { 628 struct fms_softc *sc; 629 uint16_t k1; 630 631 sc = addr; 632 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL); 633 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL, 634 (k1 & ~(FM_REC_STOPNOW | FM_REC_START)) | 635 FM_REC_BUF1_LAST | FM_REC_BUF2_LAST); 636 637 return 0; 638 } 639 640 static int 641 fms_getdev(void *addr, struct audio_device *retp) 642 { 643 644 *retp = fms_device; 645 return 0; 646 } 647 648 static int 649 fms_set_port(void *addr, mixer_ctrl_t *cp) 650 { 651 struct fms_softc *sc; 652 653 sc = addr; 654 return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp); 655 } 656 657 static int 658 fms_get_port(void *addr, mixer_ctrl_t *cp) 659 { 660 struct fms_softc *sc; 661 662 sc = addr; 663 return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp); 664 } 665 666 static void * 667 fms_malloc(void *addr, int direction, size_t size, 668 struct malloc_type *pool, int flags) 669 { 670 struct fms_softc *sc; 671 struct fms_dma *p; 672 int error; 673 int rseg; 674 675 sc = addr; 676 p = malloc(sizeof(*p), pool, flags); 677 if (p == NULL) 678 return NULL; 679 680 p->size = size; 681 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg, 682 1, &rseg, BUS_DMA_NOWAIT)) != 0) { 683 aprint_error_dev(&sc->sc_dev, "unable to allocate DMA, error = %d\n", error); 684 goto fail_alloc; 685 } 686 687 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr, 688 BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) { 689 aprint_error_dev(&sc->sc_dev, "unable to map DMA, error = %d\n", 690 error); 691 goto fail_map; 692 } 693 694 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 695 BUS_DMA_NOWAIT, &p->map)) != 0) { 696 aprint_error_dev(&sc->sc_dev, "unable to create DMA map, error = %d\n", 697 error); 698 goto fail_create; 699 } 700 701 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL, 702 BUS_DMA_NOWAIT)) != 0) { 703 aprint_error_dev(&sc->sc_dev, "unable to load DMA map, error = %d\n", 704 error); 705 goto fail_load; 706 } 707 708 p->next = sc->sc_dmas; 709 sc->sc_dmas = p; 710 711 return p->addr; 712 713 714 fail_load: 715 bus_dmamap_destroy(sc->sc_dmat, p->map); 716 fail_create: 717 bus_dmamem_unmap(sc->sc_dmat, p->addr, size); 718 fail_map: 719 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 720 fail_alloc: 721 free(p, pool); 722 return NULL; 723 } 724 725 static void 726 fms_free(void *addr, void *ptr, struct malloc_type *pool) 727 { 728 struct fms_softc *sc; 729 struct fms_dma **pp, *p; 730 731 sc = addr; 732 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next) 733 if (p->addr == ptr) { 734 bus_dmamap_unload(sc->sc_dmat, p->map); 735 bus_dmamap_destroy(sc->sc_dmat, p->map); 736 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 737 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 738 739 *pp = p->next; 740 free(p, pool); 741 return; 742 } 743 744 panic("fms_free: trying to free unallocated memory"); 745 } 746 747 static size_t 748 fms_round_buffersize(void *addr, int direction, size_t size) 749 { 750 751 return size; 752 } 753 754 static paddr_t 755 fms_mappage(void *addr, void *mem, off_t off, int prot) 756 { 757 struct fms_softc *sc; 758 struct fms_dma *p; 759 760 sc = addr; 761 if (off < 0) 762 return -1; 763 764 for (p = sc->sc_dmas; p && p->addr != mem; p = p->next) 765 continue; 766 if (p == NULL) 767 return -1; 768 769 return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot, 770 BUS_DMA_WAITOK); 771 } 772 773 static int 774 fms_get_props(void *addr) 775 { 776 return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | 777 AUDIO_PROP_FULLDUPLEX; 778 } 779 780 static int 781 fms_query_devinfo(void *addr, mixer_devinfo_t *dip) 782 { 783 struct fms_softc *sc; 784 785 sc = addr; 786 return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip); 787 } 788 789 static int 790 fms_trigger_output(void *addr, void *start, void *end, int blksize, 791 void (*intr)(void *), void *arg, const audio_params_t *param) 792 { 793 struct fms_softc *sc; 794 struct fms_dma *p; 795 796 sc = addr; 797 sc->sc_pintr = intr; 798 sc->sc_parg = arg; 799 800 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 801 continue; 802 803 if (p == NULL) 804 panic("fms_trigger_output: request with bad start " 805 "address (%p)", start); 806 807 sc->sc_play_start = p->map->dm_segs[0].ds_addr; 808 sc->sc_play_end = sc->sc_play_start + ((char *)end - (char *)start); 809 sc->sc_play_blksize = blksize; 810 sc->sc_play_nextblk = sc->sc_play_start + sc->sc_play_blksize; 811 sc->sc_play_flip = 0; 812 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMALEN, blksize - 1); 813 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF1, 814 sc->sc_play_start); 815 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF2, 816 sc->sc_play_nextblk); 817 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL, 818 FM_PLAY_START | FM_PLAY_STOPNOW | sc->sc_play_reg); 819 return 0; 820 } 821 822 823 static int 824 fms_trigger_input(void *addr, void *start, void *end, int blksize, 825 void (*intr)(void *), void *arg, const audio_params_t *param) 826 { 827 struct fms_softc *sc; 828 struct fms_dma *p; 829 830 sc = addr; 831 sc->sc_rintr = intr; 832 sc->sc_rarg = arg; 833 834 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 835 continue; 836 837 if (p == NULL) 838 panic("fms_trigger_input: request with bad start " 839 "address (%p)", start); 840 841 sc->sc_rec_start = p->map->dm_segs[0].ds_addr; 842 sc->sc_rec_end = sc->sc_rec_start + ((char *)end - (char *)start); 843 sc->sc_rec_blksize = blksize; 844 sc->sc_rec_nextblk = sc->sc_rec_start + sc->sc_rec_blksize; 845 sc->sc_rec_flip = 0; 846 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_DMALEN, blksize - 1); 847 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF1, 848 sc->sc_rec_start); 849 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF2, 850 sc->sc_rec_nextblk); 851 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL, 852 FM_REC_START | FM_REC_STOPNOW | sc->sc_rec_reg); 853 return 0; 854 } 855
Indexes created Sun Oct 12 09:09:55 GMT 2025