fms.c revision 1.36
1 /* $NetBSD: fms.c,v 1.36 2009/05/12 08:23:00 cegger 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 1.36 2009/05/12 08:23:00 cegger 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 <uvm/uvm_extern.h> 49 50 #include <sys/bus.h> 51 #include <sys/cpu.h> 52 53 #include <dev/pci/pcidevs.h> 54 #include <dev/pci/pcivar.h> 55 56 #include <dev/audio_if.h> 57 #include <dev/mulaw.h> 58 #include <dev/auconv.h> 59 60 #include <dev/ic/ac97var.h> 61 #include <dev/ic/mpuvar.h> 62 63 #include <dev/pci/fmsvar.h> 64 65 66 struct fms_dma { 67 struct fms_dma *next; 68 void *addr; 69 size_t size; 70 bus_dmamap_t map; 71 bus_dma_segment_t seg; 72 }; 73 74 75 76 static int fms_match(device_t, cfdata_t, void *); 77 static void fms_attach(device_t, device_t, void *); 78 static int fms_intr(void *); 79 80 static int fms_query_encoding(void *, struct audio_encoding *); 81 static int fms_set_params(void *, int, int, audio_params_t *, 82 audio_params_t *, stream_filter_list_t *, 83 stream_filter_list_t *); 84 static int fms_round_blocksize(void *, int, int, const audio_params_t *); 85 static int fms_halt_output(void *); 86 static int fms_halt_input(void *); 87 static int fms_getdev(void *, struct audio_device *); 88 static int fms_set_port(void *, mixer_ctrl_t *); 89 static int fms_get_port(void *, mixer_ctrl_t *); 90 static int fms_query_devinfo(void *, mixer_devinfo_t *); 91 static void *fms_malloc(void *, int, size_t, struct malloc_type *, int); 92 static void fms_free(void *, void *, struct malloc_type *); 93 static size_t fms_round_buffersize(void *, int, size_t); 94 static paddr_t fms_mappage(void *, void *, off_t, int); 95 static int fms_get_props(void *); 96 static int fms_trigger_output(void *, void *, void *, int, 97 void (*)(void *), void *, 98 const audio_params_t *); 99 static int fms_trigger_input(void *, void *, void *, int, 100 void (*)(void *), void *, 101 const audio_params_t *); 102 103 CFATTACH_DECL(fms, sizeof (struct fms_softc), 104 fms_match, fms_attach, NULL, NULL); 105 106 static struct audio_device fms_device = { 107 "Forte Media 801", 108 "1.0", 109 "fms" 110 }; 111 112 113 static const struct audio_hw_if fms_hw_if = { 114 NULL, /* open */ 115 NULL, /* close */ 116 NULL, 117 fms_query_encoding, 118 fms_set_params, 119 fms_round_blocksize, 120 NULL, 121 NULL, 122 NULL, 123 NULL, 124 NULL, 125 fms_halt_output, 126 fms_halt_input, 127 NULL, 128 fms_getdev, 129 NULL, 130 fms_set_port, 131 fms_get_port, 132 fms_query_devinfo, 133 fms_malloc, 134 fms_free, 135 fms_round_buffersize, 136 fms_mappage, 137 fms_get_props, 138 fms_trigger_output, 139 fms_trigger_input, 140 NULL, 141 NULL, 142 }; 143 144 static int fms_attach_codec(void *, struct ac97_codec_if *); 145 static int fms_read_codec(void *, uint8_t, uint16_t *); 146 static int fms_write_codec(void *, uint8_t, uint16_t); 147 static int fms_reset_codec(void *); 148 149 #define FM_PCM_VOLUME 0x00 150 #define FM_FM_VOLUME 0x02 151 #define FM_I2S_VOLUME 0x04 152 #define FM_RECORD_SOURCE 0x06 153 154 #define FM_PLAY_CTL 0x08 155 #define FM_PLAY_RATE_MASK 0x0f00 156 #define FM_PLAY_BUF1_LAST 0x0001 157 #define FM_PLAY_BUF2_LAST 0x0002 158 #define FM_PLAY_START 0x0020 159 #define FM_PLAY_PAUSE 0x0040 160 #define FM_PLAY_STOPNOW 0x0080 161 #define FM_PLAY_16BIT 0x4000 162 #define FM_PLAY_STEREO 0x8000 163 164 #define FM_PLAY_DMALEN 0x0a 165 #define FM_PLAY_DMABUF1 0x0c 166 #define FM_PLAY_DMABUF2 0x10 167 168 169 #define FM_REC_CTL 0x14 170 #define FM_REC_RATE_MASK 0x0f00 171 #define FM_REC_BUF1_LAST 0x0001 172 #define FM_REC_BUF2_LAST 0x0002 173 #define FM_REC_START 0x0020 174 #define FM_REC_PAUSE 0x0040 175 #define FM_REC_STOPNOW 0x0080 176 #define FM_REC_16BIT 0x4000 177 #define FM_REC_STEREO 0x8000 178 179 180 #define FM_REC_DMALEN 0x16 181 #define FM_REC_DMABUF1 0x18 182 #define FM_REC_DMABUF2 0x1c 183 184 #define FM_CODEC_CTL 0x22 185 #define FM_VOLUME 0x26 186 #define FM_VOLUME_MUTE 0x8000 187 188 #define FM_CODEC_CMD 0x2a 189 #define FM_CODEC_CMD_READ 0x0080 190 #define FM_CODEC_CMD_VALID 0x0100 191 #define FM_CODEC_CMD_BUSY 0x0200 192 193 #define FM_CODEC_DATA 0x2c 194 195 #define FM_IO_CTL 0x52 196 #define FM_CARD_CTL 0x54 197 198 #define FM_INTMASK 0x56 199 #define FM_INTMASK_PLAY 0x0001 200 #define FM_INTMASK_REC 0x0002 201 #define FM_INTMASK_VOL 0x0040 202 #define FM_INTMASK_MPU 0x0080 203 204 #define FM_INTSTATUS 0x5a 205 #define FM_INTSTATUS_PLAY 0x0100 206 #define FM_INTSTATUS_REC 0x0200 207 #define FM_INTSTATUS_VOL 0x4000 208 #define FM_INTSTATUS_MPU 0x8000 209 210 211 static int 212 fms_match(device_t parent, cfdata_t match, void *aux) 213 { 214 struct pci_attach_args *pa; 215 216 pa = (struct pci_attach_args *)aux; 217 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_FORTEMEDIA) 218 return 0; 219 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_FORTEMEDIA_FM801) 220 return 0; 221 222 return 1; 223 } 224 225 static void 226 fms_attach(device_t parent, device_t self, void *aux) 227 { 228 struct pci_attach_args *pa; 229 struct fms_softc *sc; 230 struct audio_attach_args aa; 231 const char *intrstr; 232 pci_chipset_tag_t pc; 233 pcitag_t pt; 234 pci_intr_handle_t ih; 235 uint16_t k1; 236 237 pa = aux; 238 sc = device_private(self); 239 intrstr = NULL; 240 pc = pa->pa_pc; 241 pt = pa->pa_tag; 242 aprint_naive(": Audio controller\n"); 243 aprint_normal(": Forte Media FM-801\n"); 244 245 if (pci_intr_map(pa, &ih)) { 246 aprint_error_dev(&sc->sc_dev, "couldn't map interrupt\n"); 247 return; 248 } 249 intrstr = pci_intr_string(pc, ih); 250 251 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, fms_intr, sc); 252 if (sc->sc_ih == NULL) { 253 aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt"); 254 if (intrstr != NULL) 255 aprint_normal(" at %s", intrstr); 256 aprint_normal("\n"); 257 return; 258 } 259 260 sc->sc_dmat = pa->pa_dmat; 261 262 aprint_normal_dev(&sc->sc_dev, "interrupting at %s\n", intrstr); 263 264 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot, 265 &sc->sc_ioh, &sc->sc_ioaddr, &sc->sc_iosize)) { 266 aprint_error_dev(&sc->sc_dev, "can't map i/o space\n"); 267 return; 268 } 269 270 if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x30, 2, 271 &sc->sc_mpu_ioh)) 272 panic("fms_attach: can't get mpu subregion handle"); 273 274 if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x68, 4, 275 &sc->sc_opl_ioh)) 276 panic("fms_attach: can't get opl subregion handle"); 277 278 /* Disable legacy audio (SBPro compatibility) */ 279 pci_conf_write(pc, pt, 0x40, 0); 280 281 /* Reset codec and AC'97 */ 282 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020); 283 delay(2); /* > 1us according to AC'97 documentation */ 284 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000); 285 delay(1); /* > 168.2ns according to AC'97 documentation */ 286 287 /* Set up volume */ 288 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PCM_VOLUME, 0x0808); 289 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_FM_VOLUME, 0x0808); 290 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_I2S_VOLUME, 0x0808); 291 292 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_RECORD_SOURCE, 0x0000); 293 294 /* Unmask playback, record and mpu interrupts, mask the rest */ 295 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTMASK); 296 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTMASK, 297 (k1 & ~(FM_INTMASK_PLAY | FM_INTMASK_REC | FM_INTMASK_MPU)) | 298 FM_INTMASK_VOL); 299 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS, 300 FM_INTSTATUS_PLAY | FM_INTSTATUS_REC | FM_INTSTATUS_MPU | 301 FM_INTSTATUS_VOL); 302 303 sc->host_if.arg = sc; 304 sc->host_if.attach = fms_attach_codec; 305 sc->host_if.read = fms_read_codec; 306 sc->host_if.write = fms_write_codec; 307 sc->host_if.reset = fms_reset_codec; 308 309 if (ac97_attach(&sc->host_if, self) != 0) 310 return; 311 312 audio_attach_mi(&fms_hw_if, sc, &sc->sc_dev); 313 314 aa.type = AUDIODEV_TYPE_OPL; 315 aa.hwif = NULL; 316 aa.hdl = NULL; 317 config_found(&sc->sc_dev, &aa, audioprint); 318 319 aa.type = AUDIODEV_TYPE_MPU; 320 aa.hwif = NULL; 321 aa.hdl = NULL; 322 sc->sc_mpu_dev = config_found(&sc->sc_dev, &aa, audioprint); 323 } 324 325 /* 326 * Each AC-link frame takes 20.8us, data should be ready in next frame, 327 * we allow more than two. 328 */ 329 #define TIMO 50 330 static int 331 fms_read_codec(void *addr, uint8_t reg, uint16_t *val) 332 { 333 struct fms_softc *sc; 334 int i; 335 336 sc = addr; 337 /* Poll until codec is ready */ 338 for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh, 339 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++) 340 delay(1); 341 if (i >= TIMO) { 342 printf("fms: codec busy\n"); 343 return 1; 344 } 345 346 /* Write register index, read access */ 347 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD, 348 reg | FM_CODEC_CMD_READ); 349 350 /* Poll until we have valid data */ 351 for (i = 0; i < TIMO && !(bus_space_read_2(sc->sc_iot, sc->sc_ioh, 352 FM_CODEC_CMD) & FM_CODEC_CMD_VALID); i++) 353 delay(1); 354 if (i >= TIMO) { 355 printf("fms: no data from codec\n"); 356 return 1; 357 } 358 359 /* Read data */ 360 *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA); 361 return 0; 362 } 363 364 static int 365 fms_write_codec(void *addr, uint8_t reg, uint16_t val) 366 { 367 struct fms_softc *sc = addr; 368 int i; 369 370 /* Poll until codec is ready */ 371 for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh, 372 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++) 373 delay(1); 374 if (i >= TIMO) { 375 printf("fms: codec busy\n"); 376 return 1; 377 } 378 379 /* Write data */ 380 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA, val); 381 /* Write index register, write access */ 382 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD, reg); 383 return 0; 384 } 385 #undef TIMO 386 387 static int 388 fms_attach_codec(void *addr, struct ac97_codec_if *cif) 389 { 390 struct fms_softc *sc; 391 392 sc = addr; 393 sc->codec_if = cif; 394 return 0; 395 } 396 397 /* Cold Reset */ 398 static int 399 fms_reset_codec(void *addr) 400 { 401 struct fms_softc *sc; 402 403 sc = addr; 404 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020); 405 delay(2); 406 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000); 407 delay(1); 408 return 0; 409 } 410 411 static int 412 fms_intr(void *arg) 413 { 414 struct fms_softc *sc = arg; 415 #if NMPU > 0 416 struct mpu_softc *sc_mpu = device_private(sc->sc_mpu_dev); 417 #endif 418 uint16_t istat; 419 420 istat = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS); 421 422 if (istat & FM_INTSTATUS_PLAY) { 423 if ((sc->sc_play_nextblk += sc->sc_play_blksize) >= 424 sc->sc_play_end) 425 sc->sc_play_nextblk = sc->sc_play_start; 426 427 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 428 sc->sc_play_flip++ & 1 ? 429 FM_PLAY_DMABUF2 : FM_PLAY_DMABUF1, sc->sc_play_nextblk); 430 431 if (sc->sc_pintr) 432 sc->sc_pintr(sc->sc_parg); 433 else 434 printf("unexpected play intr\n"); 435 } 436 437 if (istat & FM_INTSTATUS_REC) { 438 if ((sc->sc_rec_nextblk += sc->sc_rec_blksize) >= 439 sc->sc_rec_end) 440 sc->sc_rec_nextblk = sc->sc_rec_start; 441 442 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 443 sc->sc_rec_flip++ & 1 ? 444 FM_REC_DMABUF2 : FM_REC_DMABUF1, sc->sc_rec_nextblk); 445 446 if (sc->sc_rintr) 447 sc->sc_rintr(sc->sc_rarg); 448 else 449 printf("unexpected rec intr\n"); 450 } 451 452 #if NMPU > 0 453 if (istat & FM_INTSTATUS_MPU) 454 mpu_intr(sc_mpu); 455 #endif 456 457 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS, 458 istat & (FM_INTSTATUS_PLAY | FM_INTSTATUS_REC)); 459 460 return 1; 461 } 462 463 static int 464 fms_query_encoding(void *addr, struct audio_encoding *fp) 465 { 466 467 switch (fp->index) { 468 case 0: 469 strcpy(fp->name, AudioEmulaw); 470 fp->encoding = AUDIO_ENCODING_ULAW; 471 fp->precision = 8; 472 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 473 return 0; 474 case 1: 475 strcpy(fp->name, AudioEslinear_le); 476 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 477 fp->precision = 16; 478 fp->flags = 0; 479 return 0; 480 case 2: 481 strcpy(fp->name, AudioEulinear); 482 fp->encoding = AUDIO_ENCODING_ULINEAR; 483 fp->precision = 8; 484 fp->flags = 0; 485 return 0; 486 case 3: 487 strcpy(fp->name, AudioEalaw); 488 fp->encoding = AUDIO_ENCODING_ALAW; 489 fp->precision = 8; 490 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 491 return 0; 492 case 4: 493 strcpy(fp->name, AudioEulinear_le); 494 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 495 fp->precision = 16; 496 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 497 return 0; 498 case 5: 499 strcpy(fp->name, AudioEslinear); 500 fp->encoding = AUDIO_ENCODING_SLINEAR; 501 fp->precision = 8; 502 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 503 return 0; 504 case 6: 505 strcpy(fp->name, AudioEulinear_be); 506 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 507 fp->precision = 16; 508 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 509 return 0; 510 case 7: 511 strcpy(fp->name, AudioEslinear_be); 512 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 513 fp->precision = 16; 514 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 515 return 0; 516 default: 517 return EINVAL; 518 } 519 } 520 521 /* 522 * Range below -limit- is set to -rate- 523 * What a pity FM801 does not have 24000 524 * 24000 -> 22050 sounds rather poor 525 */ 526 static struct { 527 int limit; 528 int rate; 529 } const fms_rates[11] = { 530 { 6600, 5500 }, 531 { 8750, 8000 }, 532 { 10250, 9600 }, 533 { 13200, 11025 }, 534 { 17500, 16000 }, 535 { 20500, 19200 }, 536 { 26500, 22050 }, 537 { 35000, 32000 }, 538 { 41000, 38400 }, 539 { 46000, 44100 }, 540 { 48000, 48000 }, 541 /* anything above -> 48000 */ 542 }; 543 544 #define FMS_NFORMATS 4 545 static const struct audio_format fms_formats[FMS_NFORMATS] = { 546 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 547 2, AUFMT_STEREO, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050, 548 32000, 38400, 44100, 48000}}, 549 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 550 1, AUFMT_MONAURAL, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050, 551 32000, 38400, 44100, 48000}}, 552 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8, 553 2, AUFMT_STEREO, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050, 554 32000, 38400, 44100, 48000}}, 555 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8, 556 1, AUFMT_MONAURAL, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050, 557 32000, 38400, 44100, 48000}}, 558 }; 559 560 static int 561 fms_set_params(void *addr, int setmode, int usemode, 562 audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil, 563 stream_filter_list_t *rfil) 564 { 565 struct fms_softc *sc; 566 int i, index; 567 568 sc = addr; 569 if (setmode & AUMODE_PLAY) { 570 for (i = 0; i < 10 && play->sample_rate > fms_rates[i].limit; 571 i++) 572 continue; 573 play->sample_rate = fms_rates[i].rate; 574 index = auconv_set_converter(fms_formats, FMS_NFORMATS, 575 AUMODE_PLAY, play, FALSE, pfil); 576 if (index < 0) 577 return EINVAL; 578 sc->sc_play_reg = i << 8; 579 if (fms_formats[index].channels == 2) 580 sc->sc_play_reg |= FM_PLAY_STEREO; 581 if (fms_formats[index].precision == 16) 582 sc->sc_play_reg |= FM_PLAY_16BIT; 583 } 584 585 if (setmode & AUMODE_RECORD) { 586 for (i = 0; i < 10 && rec->sample_rate > fms_rates[i].limit; 587 i++) 588 continue; 589 rec->sample_rate = fms_rates[i].rate; 590 index = auconv_set_converter(fms_formats, FMS_NFORMATS, 591 AUMODE_RECORD, rec, FALSE, rfil); 592 if (index < 0) 593 return EINVAL; 594 sc->sc_rec_reg = i << 8; 595 if (fms_formats[index].channels == 2) 596 sc->sc_rec_reg |= FM_REC_STEREO; 597 if (fms_formats[index].precision == 16) 598 sc->sc_rec_reg |= FM_REC_16BIT; 599 } 600 601 return 0; 602 } 603 604 static int 605 fms_round_blocksize(void *addr, int blk, int mode, 606 const audio_params_t *param) 607 { 608 609 return blk & ~0xf; 610 } 611 612 static int 613 fms_halt_output(void *addr) 614 { 615 struct fms_softc *sc; 616 uint16_t k1; 617 618 sc = addr; 619 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL); 620 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL, 621 (k1 & ~(FM_PLAY_STOPNOW | FM_PLAY_START)) | 622 FM_PLAY_BUF1_LAST | FM_PLAY_BUF2_LAST); 623 624 return 0; 625 } 626 627 static int 628 fms_halt_input(void *addr) 629 { 630 struct fms_softc *sc; 631 uint16_t k1; 632 633 sc = addr; 634 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL); 635 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL, 636 (k1 & ~(FM_REC_STOPNOW | FM_REC_START)) | 637 FM_REC_BUF1_LAST | FM_REC_BUF2_LAST); 638 639 return 0; 640 } 641 642 static int 643 fms_getdev(void *addr, struct audio_device *retp) 644 { 645 646 *retp = fms_device; 647 return 0; 648 } 649 650 static int 651 fms_set_port(void *addr, mixer_ctrl_t *cp) 652 { 653 struct fms_softc *sc; 654 655 sc = addr; 656 return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp); 657 } 658 659 static int 660 fms_get_port(void *addr, mixer_ctrl_t *cp) 661 { 662 struct fms_softc *sc; 663 664 sc = addr; 665 return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp); 666 } 667 668 static void * 669 fms_malloc(void *addr, int direction, size_t size, 670 struct malloc_type *pool, int flags) 671 { 672 struct fms_softc *sc; 673 struct fms_dma *p; 674 int error; 675 int rseg; 676 677 sc = addr; 678 p = malloc(sizeof(*p), pool, flags); 679 if (p == NULL) 680 return NULL; 681 682 p->size = size; 683 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg, 684 1, &rseg, BUS_DMA_NOWAIT)) != 0) { 685 aprint_error_dev(&sc->sc_dev, "unable to allocate DMA, error = %d\n", error); 686 goto fail_alloc; 687 } 688 689 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr, 690 BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) { 691 aprint_error_dev(&sc->sc_dev, "unable to map DMA, error = %d\n", 692 error); 693 goto fail_map; 694 } 695 696 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 697 BUS_DMA_NOWAIT, &p->map)) != 0) { 698 aprint_error_dev(&sc->sc_dev, "unable to create DMA map, error = %d\n", 699 error); 700 goto fail_create; 701 } 702 703 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL, 704 BUS_DMA_NOWAIT)) != 0) { 705 aprint_error_dev(&sc->sc_dev, "unable to load DMA map, error = %d\n", 706 error); 707 goto fail_load; 708 } 709 710 p->next = sc->sc_dmas; 711 sc->sc_dmas = p; 712 713 return p->addr; 714 715 716 fail_load: 717 bus_dmamap_destroy(sc->sc_dmat, p->map); 718 fail_create: 719 bus_dmamem_unmap(sc->sc_dmat, p->addr, size); 720 fail_map: 721 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 722 fail_alloc: 723 free(p, pool); 724 return NULL; 725 } 726 727 static void 728 fms_free(void *addr, void *ptr, struct malloc_type *pool) 729 { 730 struct fms_softc *sc; 731 struct fms_dma **pp, *p; 732 733 sc = addr; 734 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next) 735 if (p->addr == ptr) { 736 bus_dmamap_unload(sc->sc_dmat, p->map); 737 bus_dmamap_destroy(sc->sc_dmat, p->map); 738 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 739 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 740 741 *pp = p->next; 742 free(p, pool); 743 return; 744 } 745 746 panic("fms_free: trying to free unallocated memory"); 747 } 748 749 static size_t 750 fms_round_buffersize(void *addr, int direction, size_t size) 751 { 752 753 return size; 754 } 755 756 static paddr_t 757 fms_mappage(void *addr, void *mem, off_t off, int prot) 758 { 759 struct fms_softc *sc; 760 struct fms_dma *p; 761 762 sc = addr; 763 if (off < 0) 764 return -1; 765 766 for (p = sc->sc_dmas; p && p->addr != mem; p = p->next) 767 continue; 768 if (p == NULL) 769 return -1; 770 771 return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot, 772 BUS_DMA_WAITOK); 773 } 774 775 static int 776 fms_get_props(void *addr) 777 { 778 return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | 779 AUDIO_PROP_FULLDUPLEX; 780 } 781 782 static int 783 fms_query_devinfo(void *addr, mixer_devinfo_t *dip) 784 { 785 struct fms_softc *sc; 786 787 sc = addr; 788 return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip); 789 } 790 791 static int 792 fms_trigger_output(void *addr, void *start, void *end, int blksize, 793 void (*intr)(void *), void *arg, const audio_params_t *param) 794 { 795 struct fms_softc *sc; 796 struct fms_dma *p; 797 798 sc = addr; 799 sc->sc_pintr = intr; 800 sc->sc_parg = arg; 801 802 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 803 continue; 804 805 if (p == NULL) 806 panic("fms_trigger_output: request with bad start " 807 "address (%p)", start); 808 809 sc->sc_play_start = p->map->dm_segs[0].ds_addr; 810 sc->sc_play_end = sc->sc_play_start + ((char *)end - (char *)start); 811 sc->sc_play_blksize = blksize; 812 sc->sc_play_nextblk = sc->sc_play_start + sc->sc_play_blksize; 813 sc->sc_play_flip = 0; 814 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMALEN, blksize - 1); 815 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF1, 816 sc->sc_play_start); 817 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF2, 818 sc->sc_play_nextblk); 819 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL, 820 FM_PLAY_START | FM_PLAY_STOPNOW | sc->sc_play_reg); 821 return 0; 822 } 823 824 825 static int 826 fms_trigger_input(void *addr, void *start, void *end, int blksize, 827 void (*intr)(void *), void *arg, const audio_params_t *param) 828 { 829 struct fms_softc *sc; 830 struct fms_dma *p; 831 832 sc = addr; 833 sc->sc_rintr = intr; 834 sc->sc_rarg = arg; 835 836 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 837 continue; 838 839 if (p == NULL) 840 panic("fms_trigger_input: request with bad start " 841 "address (%p)", start); 842 843 sc->sc_rec_start = p->map->dm_segs[0].ds_addr; 844 sc->sc_rec_end = sc->sc_rec_start + ((char *)end - (char *)start); 845 sc->sc_rec_blksize = blksize; 846 sc->sc_rec_nextblk = sc->sc_rec_start + sc->sc_rec_blksize; 847 sc->sc_rec_flip = 0; 848 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_DMALEN, blksize - 1); 849 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF1, 850 sc->sc_rec_start); 851 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF2, 852 sc->sc_rec_nextblk); 853 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL, 854 FM_REC_START | FM_REC_STOPNOW | sc->sc_rec_reg); 855 return 0; 856 } 857
Indexes created Tue Sep 23 21:09:50 GMT 2025