fms.c revision 1.25
1 /* $NetBSD: fms.c,v 1.25 2005/12/11 12:22:49 christos 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Forte Media FM801 Audio Device Driver 41 */ 42 43 #include <sys/cdefs.h> 44 __KERNEL_RCSID(0, "$NetBSD: fms.c,v 1.25 2005/12/11 12:22:49 christos Exp $"); 45 46 #include "mpu.h" 47 48 #include <sys/param.h> 49 #include <sys/systm.h> 50 #include <sys/kernel.h> 51 #include <sys/malloc.h> 52 #include <sys/device.h> 53 #include <sys/audioio.h> 54 55 #include <uvm/uvm_extern.h> 56 57 #include <machine/bus.h> 58 #include <machine/cpu.h> 59 60 #include <dev/pci/pcidevs.h> 61 #include <dev/pci/pcivar.h> 62 63 #include <dev/audio_if.h> 64 #include <dev/mulaw.h> 65 #include <dev/auconv.h> 66 67 #include <dev/ic/ac97var.h> 68 #include <dev/ic/mpuvar.h> 69 70 #include <dev/pci/fmsvar.h> 71 72 73 struct fms_dma { 74 struct fms_dma *next; 75 caddr_t addr; 76 size_t size; 77 bus_dmamap_t map; 78 bus_dma_segment_t seg; 79 }; 80 81 82 83 static int fms_match(struct device *, struct cfdata *, void *); 84 static void fms_attach(struct device *, struct device *, void *); 85 static int fms_intr(void *); 86 87 static int fms_query_encoding(void *, struct audio_encoding *); 88 static int fms_set_params(void *, int, int, audio_params_t *, 89 audio_params_t *, stream_filter_list_t *, 90 stream_filter_list_t *); 91 static int fms_round_blocksize(void *, int, int, const audio_params_t *); 92 static int fms_halt_output(void *); 93 static int fms_halt_input(void *); 94 static int fms_getdev(void *, struct audio_device *); 95 static int fms_set_port(void *, mixer_ctrl_t *); 96 static int fms_get_port(void *, mixer_ctrl_t *); 97 static int fms_query_devinfo(void *, mixer_devinfo_t *); 98 static void *fms_malloc(void *, int, size_t, struct malloc_type *, int); 99 static void fms_free(void *, void *, struct malloc_type *); 100 static size_t fms_round_buffersize(void *, int, size_t); 101 static paddr_t fms_mappage(void *, void *, off_t, int); 102 static int fms_get_props(void *); 103 static int fms_trigger_output(void *, void *, void *, int, 104 void (*)(void *), void *, 105 const audio_params_t *); 106 static int fms_trigger_input(void *, void *, void *, int, 107 void (*)(void *), void *, 108 const audio_params_t *); 109 110 CFATTACH_DECL(fms, sizeof (struct fms_softc), 111 fms_match, fms_attach, NULL, NULL); 112 113 static struct audio_device fms_device = { 114 "Forte Media 801", 115 "1.0", 116 "fms" 117 }; 118 119 120 static const struct audio_hw_if fms_hw_if = { 121 NULL, /* open */ 122 NULL, /* close */ 123 NULL, 124 fms_query_encoding, 125 fms_set_params, 126 fms_round_blocksize, 127 NULL, 128 NULL, 129 NULL, 130 NULL, 131 NULL, 132 fms_halt_output, 133 fms_halt_input, 134 NULL, 135 fms_getdev, 136 NULL, 137 fms_set_port, 138 fms_get_port, 139 fms_query_devinfo, 140 fms_malloc, 141 fms_free, 142 fms_round_buffersize, 143 fms_mappage, 144 fms_get_props, 145 fms_trigger_output, 146 fms_trigger_input, 147 NULL, 148 }; 149 150 static int fms_attach_codec(void *, struct ac97_codec_if *); 151 static int fms_read_codec(void *, uint8_t, uint16_t *); 152 static int fms_write_codec(void *, uint8_t, uint16_t); 153 static int fms_reset_codec(void *); 154 155 #define FM_PCM_VOLUME 0x00 156 #define FM_FM_VOLUME 0x02 157 #define FM_I2S_VOLUME 0x04 158 #define FM_RECORD_SOURCE 0x06 159 160 #define FM_PLAY_CTL 0x08 161 #define FM_PLAY_RATE_MASK 0x0f00 162 #define FM_PLAY_BUF1_LAST 0x0001 163 #define FM_PLAY_BUF2_LAST 0x0002 164 #define FM_PLAY_START 0x0020 165 #define FM_PLAY_PAUSE 0x0040 166 #define FM_PLAY_STOPNOW 0x0080 167 #define FM_PLAY_16BIT 0x4000 168 #define FM_PLAY_STEREO 0x8000 169 170 #define FM_PLAY_DMALEN 0x0a 171 #define FM_PLAY_DMABUF1 0x0c 172 #define FM_PLAY_DMABUF2 0x10 173 174 175 #define FM_REC_CTL 0x14 176 #define FM_REC_RATE_MASK 0x0f00 177 #define FM_REC_BUF1_LAST 0x0001 178 #define FM_REC_BUF2_LAST 0x0002 179 #define FM_REC_START 0x0020 180 #define FM_REC_PAUSE 0x0040 181 #define FM_REC_STOPNOW 0x0080 182 #define FM_REC_16BIT 0x4000 183 #define FM_REC_STEREO 0x8000 184 185 186 #define FM_REC_DMALEN 0x16 187 #define FM_REC_DMABUF1 0x18 188 #define FM_REC_DMABUF2 0x1c 189 190 #define FM_CODEC_CTL 0x22 191 #define FM_VOLUME 0x26 192 #define FM_VOLUME_MUTE 0x8000 193 194 #define FM_CODEC_CMD 0x2a 195 #define FM_CODEC_CMD_READ 0x0080 196 #define FM_CODEC_CMD_VALID 0x0100 197 #define FM_CODEC_CMD_BUSY 0x0200 198 199 #define FM_CODEC_DATA 0x2c 200 201 #define FM_IO_CTL 0x52 202 #define FM_CARD_CTL 0x54 203 204 #define FM_INTMASK 0x56 205 #define FM_INTMASK_PLAY 0x0001 206 #define FM_INTMASK_REC 0x0002 207 #define FM_INTMASK_VOL 0x0040 208 #define FM_INTMASK_MPU 0x0080 209 210 #define FM_INTSTATUS 0x5a 211 #define FM_INTSTATUS_PLAY 0x0100 212 #define FM_INTSTATUS_REC 0x0200 213 #define FM_INTSTATUS_VOL 0x4000 214 #define FM_INTSTATUS_MPU 0x8000 215 216 217 static int 218 fms_match(struct device *parent, struct cfdata *match, void *aux) 219 { 220 struct pci_attach_args *pa; 221 222 pa = (struct pci_attach_args *)aux; 223 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_FORTEMEDIA) 224 return 0; 225 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_FORTEMEDIA_FM801) 226 return 0; 227 228 return 1; 229 } 230 231 static void 232 fms_attach(struct device *parent, struct device *self, void *aux) 233 { 234 struct pci_attach_args *pa; 235 struct fms_softc *sc; 236 struct audio_attach_args aa; 237 const char *intrstr; 238 pci_chipset_tag_t pc; 239 pcitag_t pt; 240 pci_intr_handle_t ih; 241 uint16_t k1; 242 243 pa = aux; 244 sc = (struct fms_softc *)self; 245 intrstr = NULL; 246 pc = pa->pa_pc; 247 pt = pa->pa_tag; 248 aprint_naive(": Audio controller\n"); 249 aprint_normal(": Forte Media FM-801\n"); 250 251 if (pci_intr_map(pa, &ih)) { 252 aprint_error("%s: couldn't map interrupt\n", 253 sc->sc_dev.dv_xname); 254 return; 255 } 256 intrstr = pci_intr_string(pc, ih); 257 258 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, fms_intr, sc); 259 if (sc->sc_ih == NULL) { 260 aprint_error("%s: couldn't establish interrupt", 261 sc->sc_dev.dv_xname); 262 if (intrstr != NULL) 263 aprint_normal(" at %s", intrstr); 264 aprint_normal("\n"); 265 return; 266 } 267 268 sc->sc_dmat = pa->pa_dmat; 269 270 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 271 272 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot, 273 &sc->sc_ioh, &sc->sc_ioaddr, &sc->sc_iosize)) { 274 aprint_error("%s: can't map i/o space\n", sc->sc_dev.dv_xname); 275 return; 276 } 277 278 if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x30, 2, 279 &sc->sc_mpu_ioh)) 280 panic("fms_attach: can't get mpu subregion handle"); 281 282 if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x68, 4, 283 &sc->sc_opl_ioh)) 284 panic("fms_attach: can't get opl subregion handle"); 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) != 0) 318 return; 319 320 audio_attach_mi(&fms_hw_if, sc, &sc->sc_dev); 321 322 aa.type = AUDIODEV_TYPE_OPL; 323 aa.hwif = NULL; 324 aa.hdl = NULL; 325 config_found(&sc->sc_dev, &aa, audioprint); 326 327 aa.type = AUDIODEV_TYPE_MPU; 328 aa.hwif = NULL; 329 aa.hdl = NULL; 330 sc->sc_mpu_dev = config_found(&sc->sc_dev, &aa, audioprint); 331 } 332 333 /* 334 * Each AC-link frame takes 20.8us, data should be ready in next frame, 335 * we allow more than two. 336 */ 337 #define TIMO 50 338 static int 339 fms_read_codec(void *addr, uint8_t reg, uint16_t *val) 340 { 341 struct fms_softc *sc; 342 int i; 343 344 sc = addr; 345 /* Poll until codec is ready */ 346 for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh, 347 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++) 348 delay(1); 349 if (i >= TIMO) { 350 printf("fms: codec busy\n"); 351 return 1; 352 } 353 354 /* Write register index, read access */ 355 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD, 356 reg | FM_CODEC_CMD_READ); 357 358 /* Poll until we have valid data */ 359 for (i = 0; i < TIMO && !(bus_space_read_2(sc->sc_iot, sc->sc_ioh, 360 FM_CODEC_CMD) & FM_CODEC_CMD_VALID); i++) 361 delay(1); 362 if (i >= TIMO) { 363 printf("fms: no data from codec\n"); 364 return 1; 365 } 366 367 /* Read data */ 368 *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA); 369 return 0; 370 } 371 372 static int 373 fms_write_codec(void *addr, uint8_t reg, uint16_t val) 374 { 375 struct fms_softc *sc = addr; 376 int i; 377 378 /* Poll until codec is ready */ 379 for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh, 380 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++) 381 delay(1); 382 if (i >= TIMO) { 383 printf("fms: codec busy\n"); 384 return 1; 385 } 386 387 /* Write data */ 388 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA, val); 389 /* Write index register, write access */ 390 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD, reg); 391 return 0; 392 } 393 #undef TIMO 394 395 static int 396 fms_attach_codec(void *addr, struct ac97_codec_if *cif) 397 { 398 struct fms_softc *sc; 399 400 sc = addr; 401 sc->codec_if = cif; 402 return 0; 403 } 404 405 /* Cold Reset */ 406 static int 407 fms_reset_codec(void *addr) 408 { 409 struct fms_softc *sc; 410 411 sc = addr; 412 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020); 413 delay(2); 414 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000); 415 delay(1); 416 return 0; 417 } 418 419 static int 420 fms_intr(void *arg) 421 { 422 struct fms_softc *sc; 423 uint16_t istat; 424 425 sc = arg; 426 istat = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS); 427 428 if (istat & FM_INTSTATUS_PLAY) { 429 if ((sc->sc_play_nextblk += sc->sc_play_blksize) >= 430 sc->sc_play_end) 431 sc->sc_play_nextblk = sc->sc_play_start; 432 433 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 434 sc->sc_play_flip++ & 1 ? 435 FM_PLAY_DMABUF2 : FM_PLAY_DMABUF1, sc->sc_play_nextblk); 436 437 if (sc->sc_pintr) 438 sc->sc_pintr(sc->sc_parg); 439 else 440 printf("unexpected play intr\n"); 441 } 442 443 if (istat & FM_INTSTATUS_REC) { 444 if ((sc->sc_rec_nextblk += sc->sc_rec_blksize) >= 445 sc->sc_rec_end) 446 sc->sc_rec_nextblk = sc->sc_rec_start; 447 448 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 449 sc->sc_rec_flip++ & 1 ? 450 FM_REC_DMABUF2 : FM_REC_DMABUF1, sc->sc_rec_nextblk); 451 452 if (sc->sc_rintr) 453 sc->sc_rintr(sc->sc_rarg); 454 else 455 printf("unexpected rec intr\n"); 456 } 457 458 #if NMPU > 0 459 if (istat & FM_INTSTATUS_MPU) 460 mpu_intr(sc->sc_mpu_dev); 461 #endif 462 463 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS, 464 istat & (FM_INTSTATUS_PLAY | FM_INTSTATUS_REC)); 465 466 return 1; 467 } 468 469 static int 470 fms_query_encoding(void *addr, struct audio_encoding *fp) 471 { 472 473 switch (fp->index) { 474 case 0: 475 strcpy(fp->name, AudioEmulaw); 476 fp->encoding = AUDIO_ENCODING_ULAW; 477 fp->precision = 8; 478 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 479 return 0; 480 case 1: 481 strcpy(fp->name, AudioEslinear_le); 482 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 483 fp->precision = 16; 484 fp->flags = 0; 485 return 0; 486 case 2: 487 strcpy(fp->name, AudioEulinear); 488 fp->encoding = AUDIO_ENCODING_ULINEAR; 489 fp->precision = 8; 490 fp->flags = 0; 491 return 0; 492 case 3: 493 strcpy(fp->name, AudioEalaw); 494 fp->encoding = AUDIO_ENCODING_ALAW; 495 fp->precision = 8; 496 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 497 return 0; 498 case 4: 499 strcpy(fp->name, AudioEulinear_le); 500 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 501 fp->precision = 16; 502 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 503 return 0; 504 case 5: 505 strcpy(fp->name, AudioEslinear); 506 fp->encoding = AUDIO_ENCODING_SLINEAR; 507 fp->precision = 8; 508 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 509 return 0; 510 case 6: 511 strcpy(fp->name, AudioEulinear_be); 512 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 513 fp->precision = 16; 514 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 515 return 0; 516 case 7: 517 strcpy(fp->name, AudioEslinear_be); 518 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 519 fp->precision = 16; 520 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 521 return 0; 522 default: 523 return EINVAL; 524 } 525 } 526 527 /* 528 * Range below -limit- is set to -rate- 529 * What a pity FM801 does not have 24000 530 * 24000 -> 22050 sounds rather poor 531 */ 532 struct { 533 int limit; 534 int rate; 535 } static const fms_rates[11] = { 536 { 6600, 5500 }, 537 { 8750, 8000 }, 538 { 10250, 9600 }, 539 { 13200, 11025 }, 540 { 17500, 16000 }, 541 { 20500, 19200 }, 542 { 26500, 22050 }, 543 { 35000, 32000 }, 544 { 41000, 38400 }, 545 { 46000, 44100 }, 546 { 48000, 48000 }, 547 /* anything above -> 48000 */ 548 }; 549 550 #define FMS_NFORMATS 4 551 static const struct audio_format fms_formats[FMS_NFORMATS] = { 552 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 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_SLINEAR_LE, 16, 16, 556 1, AUFMT_MONAURAL, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050, 557 32000, 38400, 44100, 48000}}, 558 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8, 559 2, AUFMT_STEREO, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050, 560 32000, 38400, 44100, 48000}}, 561 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8, 562 1, AUFMT_MONAURAL, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050, 563 32000, 38400, 44100, 48000}}, 564 }; 565 566 static int 567 fms_set_params(void *addr, int setmode, int usemode, 568 audio_params_t *play, audio_params_t *rec, 569 stream_filter_list_t *pfil, stream_filter_list_t *rfil) 570 { 571 struct fms_softc *sc; 572 int i, index; 573 574 sc = addr; 575 if (setmode & AUMODE_PLAY) { 576 for (i = 0; i < 10 && play->sample_rate > fms_rates[i].limit; 577 i++) 578 continue; 579 play->sample_rate = fms_rates[i].rate; 580 index = auconv_set_converter(fms_formats, FMS_NFORMATS, 581 AUMODE_PLAY, play, FALSE, pfil); 582 if (index < 0) 583 return EINVAL; 584 sc->sc_play_reg = i << 8; 585 if (fms_formats[index].channels == 2) 586 sc->sc_play_reg |= FM_PLAY_STEREO; 587 if (fms_formats[index].precision == 16) 588 sc->sc_play_reg |= FM_PLAY_16BIT; 589 } 590 591 if (setmode & AUMODE_RECORD) { 592 for (i = 0; i < 10 && rec->sample_rate > fms_rates[i].limit; 593 i++) 594 continue; 595 rec->sample_rate = fms_rates[i].rate; 596 index = auconv_set_converter(fms_formats, FMS_NFORMATS, 597 AUMODE_RECORD, rec, FALSE, rfil); 598 if (index < 0) 599 return EINVAL; 600 sc->sc_rec_reg = i << 8; 601 if (fms_formats[index].channels == 2) 602 sc->sc_rec_reg |= FM_REC_STEREO; 603 if (fms_formats[index].precision == 16) 604 sc->sc_rec_reg |= FM_REC_16BIT; 605 } 606 607 return 0; 608 } 609 610 static int 611 fms_round_blocksize(void *addr, int blk, int mode, const audio_params_t *param) 612 { 613 614 return blk & ~0xf; 615 } 616 617 static int 618 fms_halt_output(void *addr) 619 { 620 struct fms_softc *sc; 621 uint16_t k1; 622 623 sc = addr; 624 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL); 625 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL, 626 (k1 & ~(FM_PLAY_STOPNOW | FM_PLAY_START)) | 627 FM_PLAY_BUF1_LAST | FM_PLAY_BUF2_LAST); 628 629 return 0; 630 } 631 632 static int 633 fms_halt_input(void *addr) 634 { 635 struct fms_softc *sc; 636 uint16_t k1; 637 638 sc = addr; 639 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL); 640 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL, 641 (k1 & ~(FM_REC_STOPNOW | FM_REC_START)) | 642 FM_REC_BUF1_LAST | FM_REC_BUF2_LAST); 643 644 return 0; 645 } 646 647 static int 648 fms_getdev(void *addr, struct audio_device *retp) 649 { 650 651 *retp = fms_device; 652 return 0; 653 } 654 655 static int 656 fms_set_port(void *addr, mixer_ctrl_t *cp) 657 { 658 struct fms_softc *sc; 659 660 sc = addr; 661 return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp); 662 } 663 664 static int 665 fms_get_port(void *addr, mixer_ctrl_t *cp) 666 { 667 struct fms_softc *sc; 668 669 sc = addr; 670 return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp); 671 } 672 673 static void * 674 fms_malloc(void *addr, int direction, size_t size, 675 struct malloc_type *pool, int flags) 676 { 677 struct fms_softc *sc; 678 struct fms_dma *p; 679 int error; 680 int rseg; 681 682 sc = addr; 683 p = malloc(sizeof(*p), pool, flags); 684 if (p == NULL) 685 return NULL; 686 687 p->size = size; 688 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg, 689 1, &rseg, BUS_DMA_NOWAIT)) != 0) { 690 printf("%s: unable to allocate DMA, error = %d\n", 691 sc->sc_dev.dv_xname, error); 692 goto fail_alloc; 693 } 694 695 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr, 696 BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) { 697 printf("%s: unable to map DMA, error = %d\n", 698 sc->sc_dev.dv_xname, error); 699 goto fail_map; 700 } 701 702 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 703 BUS_DMA_NOWAIT, &p->map)) != 0) { 704 printf("%s: unable to create DMA map, error = %d\n", 705 sc->sc_dev.dv_xname, error); 706 goto fail_create; 707 } 708 709 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL, 710 BUS_DMA_NOWAIT)) != 0) { 711 printf("%s: unable to load DMA map, error = %d\n", 712 sc->sc_dev.dv_xname, error); 713 goto fail_load; 714 } 715 716 p->next = sc->sc_dmas; 717 sc->sc_dmas = p; 718 719 return p->addr; 720 721 722 fail_load: 723 bus_dmamap_destroy(sc->sc_dmat, p->map); 724 fail_create: 725 bus_dmamem_unmap(sc->sc_dmat, p->addr, size); 726 fail_map: 727 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 728 fail_alloc: 729 free(p, pool); 730 return NULL; 731 } 732 733 static void 734 fms_free(void *addr, void *ptr, struct malloc_type *pool) 735 { 736 struct fms_softc *sc; 737 struct fms_dma **pp, *p; 738 739 sc = addr; 740 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next) 741 if (p->addr == ptr) { 742 bus_dmamap_unload(sc->sc_dmat, p->map); 743 bus_dmamap_destroy(sc->sc_dmat, p->map); 744 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 745 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 746 747 *pp = p->next; 748 free(p, pool); 749 return; 750 } 751 752 panic("fms_free: trying to free unallocated memory"); 753 } 754 755 static size_t 756 fms_round_buffersize(void *addr, int direction, size_t size) 757 { 758 759 return size; 760 } 761 762 static paddr_t 763 fms_mappage(void *addr, void *mem, off_t off, int prot) 764 { 765 struct fms_softc *sc; 766 struct fms_dma *p; 767 768 sc = addr; 769 if (off < 0) 770 return -1; 771 772 for (p = sc->sc_dmas; p && p->addr != mem; p = p->next) 773 continue; 774 if (p == NULL) 775 return -1; 776 777 return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot, 778 BUS_DMA_WAITOK); 779 } 780 781 static int 782 fms_get_props(void *addr) 783 { 784 return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | 785 AUDIO_PROP_FULLDUPLEX; 786 } 787 788 static int 789 fms_query_devinfo(void *addr, mixer_devinfo_t *dip) 790 { 791 struct fms_softc *sc; 792 793 sc = addr; 794 return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip); 795 } 796 797 static int 798 fms_trigger_output(void *addr, void *start, void *end, int blksize, 799 void (*intr)(void *), void *arg, 800 const audio_params_t *param) 801 { 802 struct fms_softc *sc; 803 struct fms_dma *p; 804 805 sc = addr; 806 sc->sc_pintr = intr; 807 sc->sc_parg = arg; 808 809 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 810 continue; 811 812 if (p == NULL) 813 panic("fms_trigger_output: request with bad start " 814 "address (%p)", start); 815 816 sc->sc_play_start = p->map->dm_segs[0].ds_addr; 817 sc->sc_play_end = sc->sc_play_start + ((char *)end - (char *)start); 818 sc->sc_play_blksize = blksize; 819 sc->sc_play_nextblk = sc->sc_play_start + sc->sc_play_blksize; 820 sc->sc_play_flip = 0; 821 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMALEN, blksize - 1); 822 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF1, 823 sc->sc_play_start); 824 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF2, 825 sc->sc_play_nextblk); 826 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL, 827 FM_PLAY_START | FM_PLAY_STOPNOW | sc->sc_play_reg); 828 return 0; 829 } 830 831 832 static int 833 fms_trigger_input(void *addr, void *start, void *end, int blksize, 834 void (*intr)(void *), void *arg, const audio_params_t *param) 835 { 836 struct fms_softc *sc; 837 struct fms_dma *p; 838 839 sc = addr; 840 sc->sc_rintr = intr; 841 sc->sc_rarg = arg; 842 843 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 844 continue; 845 846 if (p == NULL) 847 panic("fms_trigger_input: request with bad start " 848 "address (%p)", start); 849 850 sc->sc_rec_start = p->map->dm_segs[0].ds_addr; 851 sc->sc_rec_end = sc->sc_rec_start + ((char *)end - (char *)start); 852 sc->sc_rec_blksize = blksize; 853 sc->sc_rec_nextblk = sc->sc_rec_start + sc->sc_rec_blksize; 854 sc->sc_rec_flip = 0; 855 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_DMALEN, blksize - 1); 856 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF1, 857 sc->sc_rec_start); 858 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF2, 859 sc->sc_rec_nextblk); 860 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL, 861 FM_REC_START | FM_REC_STOPNOW | sc->sc_rec_reg); 862 return 0; 863 } 864
Indexes created Sun Oct 12 09:09:55 GMT 2025