fms.c revision 1.30.16.2
1 /* $NetBSD: fms.c,v 1.30.16.2 2008/06/02 13:23:38 mjf 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 1.30.16.2 2008/06/02 13:23:38 mjf 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(struct device *, struct cfdata *, void *); 77 static void fms_attach(struct device *, struct device *, 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(struct device *parent, struct cfdata *match, 213 void *aux) 214 { 215 struct pci_attach_args *pa; 216 217 pa = (struct pci_attach_args *)aux; 218 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_FORTEMEDIA) 219 return 0; 220 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_FORTEMEDIA_FM801) 221 return 0; 222 223 return 1; 224 } 225 226 static void 227 fms_attach(struct device *parent, struct device *self, void *aux) 228 { 229 struct pci_attach_args *pa; 230 struct fms_softc *sc; 231 struct audio_attach_args aa; 232 const char *intrstr; 233 pci_chipset_tag_t pc; 234 pcitag_t pt; 235 pci_intr_handle_t ih; 236 uint16_t k1; 237 238 pa = aux; 239 sc = (struct fms_softc *)self; 240 intrstr = NULL; 241 pc = pa->pa_pc; 242 pt = pa->pa_tag; 243 aprint_naive(": Audio controller\n"); 244 aprint_normal(": Forte Media FM-801\n"); 245 246 if (pci_intr_map(pa, &ih)) { 247 aprint_error_dev(&sc->sc_dev, "couldn't map interrupt\n"); 248 return; 249 } 250 intrstr = pci_intr_string(pc, ih); 251 252 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, fms_intr, sc); 253 if (sc->sc_ih == NULL) { 254 aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt"); 255 if (intrstr != NULL) 256 aprint_normal(" at %s", intrstr); 257 aprint_normal("\n"); 258 return; 259 } 260 261 sc->sc_dmat = pa->pa_dmat; 262 263 aprint_normal_dev(&sc->sc_dev, "interrupting at %s\n", intrstr); 264 265 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot, 266 &sc->sc_ioh, &sc->sc_ioaddr, &sc->sc_iosize)) { 267 aprint_error_dev(&sc->sc_dev, "can't map i/o space\n"); 268 return; 269 } 270 271 if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x30, 2, 272 &sc->sc_mpu_ioh)) 273 panic("fms_attach: can't get mpu subregion handle"); 274 275 if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0x68, 4, 276 &sc->sc_opl_ioh)) 277 panic("fms_attach: can't get opl subregion handle"); 278 279 /* Disable legacy audio (SBPro compatibility) */ 280 pci_conf_write(pc, pt, 0x40, 0); 281 282 /* Reset codec and AC'97 */ 283 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020); 284 delay(2); /* > 1us according to AC'97 documentation */ 285 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000); 286 delay(1); /* > 168.2ns according to AC'97 documentation */ 287 288 /* Set up volume */ 289 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PCM_VOLUME, 0x0808); 290 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_FM_VOLUME, 0x0808); 291 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_I2S_VOLUME, 0x0808); 292 293 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_RECORD_SOURCE, 0x0000); 294 295 /* Unmask playback, record and mpu interrupts, mask the rest */ 296 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTMASK); 297 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTMASK, 298 (k1 & ~(FM_INTMASK_PLAY | FM_INTMASK_REC | FM_INTMASK_MPU)) | 299 FM_INTMASK_VOL); 300 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS, 301 FM_INTSTATUS_PLAY | FM_INTSTATUS_REC | FM_INTSTATUS_MPU | 302 FM_INTSTATUS_VOL); 303 304 sc->host_if.arg = sc; 305 sc->host_if.attach = fms_attach_codec; 306 sc->host_if.read = fms_read_codec; 307 sc->host_if.write = fms_write_codec; 308 sc->host_if.reset = fms_reset_codec; 309 310 if (ac97_attach(&sc->host_if, self) != 0) 311 return; 312 313 audio_attach_mi(&fms_hw_if, sc, &sc->sc_dev); 314 315 aa.type = AUDIODEV_TYPE_OPL; 316 aa.hwif = NULL; 317 aa.hdl = NULL; 318 config_found(&sc->sc_dev, &aa, audioprint); 319 320 aa.type = AUDIODEV_TYPE_MPU; 321 aa.hwif = NULL; 322 aa.hdl = NULL; 323 sc->sc_mpu_dev = config_found(&sc->sc_dev, &aa, audioprint); 324 } 325 326 /* 327 * Each AC-link frame takes 20.8us, data should be ready in next frame, 328 * we allow more than two. 329 */ 330 #define TIMO 50 331 static int 332 fms_read_codec(void *addr, uint8_t reg, uint16_t *val) 333 { 334 struct fms_softc *sc; 335 int i; 336 337 sc = addr; 338 /* Poll until codec is ready */ 339 for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh, 340 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++) 341 delay(1); 342 if (i >= TIMO) { 343 printf("fms: codec busy\n"); 344 return 1; 345 } 346 347 /* Write register index, read access */ 348 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD, 349 reg | FM_CODEC_CMD_READ); 350 351 /* Poll until we have valid data */ 352 for (i = 0; i < TIMO && !(bus_space_read_2(sc->sc_iot, sc->sc_ioh, 353 FM_CODEC_CMD) & FM_CODEC_CMD_VALID); i++) 354 delay(1); 355 if (i >= TIMO) { 356 printf("fms: no data from codec\n"); 357 return 1; 358 } 359 360 /* Read data */ 361 *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA); 362 return 0; 363 } 364 365 static int 366 fms_write_codec(void *addr, uint8_t reg, uint16_t val) 367 { 368 struct fms_softc *sc = addr; 369 int i; 370 371 /* Poll until codec is ready */ 372 for (i = 0; i < TIMO && bus_space_read_2(sc->sc_iot, sc->sc_ioh, 373 FM_CODEC_CMD) & FM_CODEC_CMD_BUSY; i++) 374 delay(1); 375 if (i >= TIMO) { 376 printf("fms: codec busy\n"); 377 return 1; 378 } 379 380 /* Write data */ 381 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_DATA, val); 382 /* Write index register, write access */ 383 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CMD, reg); 384 return 0; 385 } 386 #undef TIMO 387 388 static int 389 fms_attach_codec(void *addr, struct ac97_codec_if *cif) 390 { 391 struct fms_softc *sc; 392 393 sc = addr; 394 sc->codec_if = cif; 395 return 0; 396 } 397 398 /* Cold Reset */ 399 static int 400 fms_reset_codec(void *addr) 401 { 402 struct fms_softc *sc; 403 404 sc = addr; 405 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0020); 406 delay(2); 407 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_CODEC_CTL, 0x0000); 408 delay(1); 409 return 0; 410 } 411 412 static int 413 fms_intr(void *arg) 414 { 415 struct fms_softc *sc = arg; 416 #if NMPU > 0 417 struct mpu_softc *sc_mpu = device_private(sc->sc_mpu_dev); 418 #endif 419 uint16_t istat; 420 421 istat = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS); 422 423 if (istat & FM_INTSTATUS_PLAY) { 424 if ((sc->sc_play_nextblk += sc->sc_play_blksize) >= 425 sc->sc_play_end) 426 sc->sc_play_nextblk = sc->sc_play_start; 427 428 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 429 sc->sc_play_flip++ & 1 ? 430 FM_PLAY_DMABUF2 : FM_PLAY_DMABUF1, sc->sc_play_nextblk); 431 432 if (sc->sc_pintr) 433 sc->sc_pintr(sc->sc_parg); 434 else 435 printf("unexpected play intr\n"); 436 } 437 438 if (istat & FM_INTSTATUS_REC) { 439 if ((sc->sc_rec_nextblk += sc->sc_rec_blksize) >= 440 sc->sc_rec_end) 441 sc->sc_rec_nextblk = sc->sc_rec_start; 442 443 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 444 sc->sc_rec_flip++ & 1 ? 445 FM_REC_DMABUF2 : FM_REC_DMABUF1, sc->sc_rec_nextblk); 446 447 if (sc->sc_rintr) 448 sc->sc_rintr(sc->sc_rarg); 449 else 450 printf("unexpected rec intr\n"); 451 } 452 453 #if NMPU > 0 454 if (istat & FM_INTSTATUS_MPU) 455 mpu_intr(sc_mpu); 456 #endif 457 458 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_INTSTATUS, 459 istat & (FM_INTSTATUS_PLAY | FM_INTSTATUS_REC)); 460 461 return 1; 462 } 463 464 static int 465 fms_query_encoding(void *addr, struct audio_encoding *fp) 466 { 467 468 switch (fp->index) { 469 case 0: 470 strcpy(fp->name, AudioEmulaw); 471 fp->encoding = AUDIO_ENCODING_ULAW; 472 fp->precision = 8; 473 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 474 return 0; 475 case 1: 476 strcpy(fp->name, AudioEslinear_le); 477 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 478 fp->precision = 16; 479 fp->flags = 0; 480 return 0; 481 case 2: 482 strcpy(fp->name, AudioEulinear); 483 fp->encoding = AUDIO_ENCODING_ULINEAR; 484 fp->precision = 8; 485 fp->flags = 0; 486 return 0; 487 case 3: 488 strcpy(fp->name, AudioEalaw); 489 fp->encoding = AUDIO_ENCODING_ALAW; 490 fp->precision = 8; 491 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 492 return 0; 493 case 4: 494 strcpy(fp->name, AudioEulinear_le); 495 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 496 fp->precision = 16; 497 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 498 return 0; 499 case 5: 500 strcpy(fp->name, AudioEslinear); 501 fp->encoding = AUDIO_ENCODING_SLINEAR; 502 fp->precision = 8; 503 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 504 return 0; 505 case 6: 506 strcpy(fp->name, AudioEulinear_be); 507 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 508 fp->precision = 16; 509 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 510 return 0; 511 case 7: 512 strcpy(fp->name, AudioEslinear_be); 513 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 514 fp->precision = 16; 515 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 516 return 0; 517 default: 518 return EINVAL; 519 } 520 } 521 522 /* 523 * Range below -limit- is set to -rate- 524 * What a pity FM801 does not have 24000 525 * 24000 -> 22050 sounds rather poor 526 */ 527 static struct { 528 int limit; 529 int rate; 530 } const fms_rates[11] = { 531 { 6600, 5500 }, 532 { 8750, 8000 }, 533 { 10250, 9600 }, 534 { 13200, 11025 }, 535 { 17500, 16000 }, 536 { 20500, 19200 }, 537 { 26500, 22050 }, 538 { 35000, 32000 }, 539 { 41000, 38400 }, 540 { 46000, 44100 }, 541 { 48000, 48000 }, 542 /* anything above -> 48000 */ 543 }; 544 545 #define FMS_NFORMATS 4 546 static const struct audio_format fms_formats[FMS_NFORMATS] = { 547 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 548 2, AUFMT_STEREO, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050, 549 32000, 38400, 44100, 48000}}, 550 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 551 1, AUFMT_MONAURAL, 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 2, AUFMT_STEREO, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050, 555 32000, 38400, 44100, 48000}}, 556 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8, 557 1, AUFMT_MONAURAL, 11, {5500, 8000, 9600, 11025, 16000, 19200, 22050, 558 32000, 38400, 44100, 48000}}, 559 }; 560 561 static int 562 fms_set_params(void *addr, int setmode, int usemode, 563 audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil, 564 stream_filter_list_t *rfil) 565 { 566 struct fms_softc *sc; 567 int i, index; 568 569 sc = addr; 570 if (setmode & AUMODE_PLAY) { 571 for (i = 0; i < 10 && play->sample_rate > fms_rates[i].limit; 572 i++) 573 continue; 574 play->sample_rate = fms_rates[i].rate; 575 index = auconv_set_converter(fms_formats, FMS_NFORMATS, 576 AUMODE_PLAY, play, FALSE, pfil); 577 if (index < 0) 578 return EINVAL; 579 sc->sc_play_reg = i << 8; 580 if (fms_formats[index].channels == 2) 581 sc->sc_play_reg |= FM_PLAY_STEREO; 582 if (fms_formats[index].precision == 16) 583 sc->sc_play_reg |= FM_PLAY_16BIT; 584 } 585 586 if (setmode & AUMODE_RECORD) { 587 for (i = 0; i < 10 && rec->sample_rate > fms_rates[i].limit; 588 i++) 589 continue; 590 rec->sample_rate = fms_rates[i].rate; 591 index = auconv_set_converter(fms_formats, FMS_NFORMATS, 592 AUMODE_RECORD, rec, FALSE, rfil); 593 if (index < 0) 594 return EINVAL; 595 sc->sc_rec_reg = i << 8; 596 if (fms_formats[index].channels == 2) 597 sc->sc_rec_reg |= FM_REC_STEREO; 598 if (fms_formats[index].precision == 16) 599 sc->sc_rec_reg |= FM_REC_16BIT; 600 } 601 602 return 0; 603 } 604 605 static int 606 fms_round_blocksize(void *addr, int blk, int mode, 607 const audio_params_t *param) 608 { 609 610 return blk & ~0xf; 611 } 612 613 static int 614 fms_halt_output(void *addr) 615 { 616 struct fms_softc *sc; 617 uint16_t k1; 618 619 sc = addr; 620 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL); 621 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL, 622 (k1 & ~(FM_PLAY_STOPNOW | FM_PLAY_START)) | 623 FM_PLAY_BUF1_LAST | FM_PLAY_BUF2_LAST); 624 625 return 0; 626 } 627 628 static int 629 fms_halt_input(void *addr) 630 { 631 struct fms_softc *sc; 632 uint16_t k1; 633 634 sc = addr; 635 k1 = bus_space_read_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL); 636 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL, 637 (k1 & ~(FM_REC_STOPNOW | FM_REC_START)) | 638 FM_REC_BUF1_LAST | FM_REC_BUF2_LAST); 639 640 return 0; 641 } 642 643 static int 644 fms_getdev(void *addr, struct audio_device *retp) 645 { 646 647 *retp = fms_device; 648 return 0; 649 } 650 651 static int 652 fms_set_port(void *addr, mixer_ctrl_t *cp) 653 { 654 struct fms_softc *sc; 655 656 sc = addr; 657 return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp); 658 } 659 660 static int 661 fms_get_port(void *addr, mixer_ctrl_t *cp) 662 { 663 struct fms_softc *sc; 664 665 sc = addr; 666 return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp); 667 } 668 669 static void * 670 fms_malloc(void *addr, int direction, size_t size, 671 struct malloc_type *pool, int flags) 672 { 673 struct fms_softc *sc; 674 struct fms_dma *p; 675 int error; 676 int rseg; 677 678 sc = addr; 679 p = malloc(sizeof(*p), pool, flags); 680 if (p == NULL) 681 return NULL; 682 683 p->size = size; 684 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg, 685 1, &rseg, BUS_DMA_NOWAIT)) != 0) { 686 aprint_error_dev(&sc->sc_dev, "unable to allocate DMA, error = %d\n", error); 687 goto fail_alloc; 688 } 689 690 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr, 691 BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) { 692 aprint_error_dev(&sc->sc_dev, "unable to map DMA, error = %d\n", 693 error); 694 goto fail_map; 695 } 696 697 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 698 BUS_DMA_NOWAIT, &p->map)) != 0) { 699 aprint_error_dev(&sc->sc_dev, "unable to create DMA map, error = %d\n", 700 error); 701 goto fail_create; 702 } 703 704 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL, 705 BUS_DMA_NOWAIT)) != 0) { 706 aprint_error_dev(&sc->sc_dev, "unable to load DMA map, error = %d\n", 707 error); 708 goto fail_load; 709 } 710 711 p->next = sc->sc_dmas; 712 sc->sc_dmas = p; 713 714 return p->addr; 715 716 717 fail_load: 718 bus_dmamap_destroy(sc->sc_dmat, p->map); 719 fail_create: 720 bus_dmamem_unmap(sc->sc_dmat, p->addr, size); 721 fail_map: 722 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 723 fail_alloc: 724 free(p, pool); 725 return NULL; 726 } 727 728 static void 729 fms_free(void *addr, void *ptr, struct malloc_type *pool) 730 { 731 struct fms_softc *sc; 732 struct fms_dma **pp, *p; 733 734 sc = addr; 735 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next) 736 if (p->addr == ptr) { 737 bus_dmamap_unload(sc->sc_dmat, p->map); 738 bus_dmamap_destroy(sc->sc_dmat, p->map); 739 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 740 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 741 742 *pp = p->next; 743 free(p, pool); 744 return; 745 } 746 747 panic("fms_free: trying to free unallocated memory"); 748 } 749 750 static size_t 751 fms_round_buffersize(void *addr, int direction, size_t size) 752 { 753 754 return size; 755 } 756 757 static paddr_t 758 fms_mappage(void *addr, void *mem, off_t off, int prot) 759 { 760 struct fms_softc *sc; 761 struct fms_dma *p; 762 763 sc = addr; 764 if (off < 0) 765 return -1; 766 767 for (p = sc->sc_dmas; p && p->addr != mem; p = p->next) 768 continue; 769 if (p == NULL) 770 return -1; 771 772 return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot, 773 BUS_DMA_WAITOK); 774 } 775 776 static int 777 fms_get_props(void *addr) 778 { 779 return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | 780 AUDIO_PROP_FULLDUPLEX; 781 } 782 783 static int 784 fms_query_devinfo(void *addr, mixer_devinfo_t *dip) 785 { 786 struct fms_softc *sc; 787 788 sc = addr; 789 return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip); 790 } 791 792 static int 793 fms_trigger_output(void *addr, void *start, void *end, int blksize, 794 void (*intr)(void *), void *arg, const audio_params_t *param) 795 { 796 struct fms_softc *sc; 797 struct fms_dma *p; 798 799 sc = addr; 800 sc->sc_pintr = intr; 801 sc->sc_parg = arg; 802 803 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 804 continue; 805 806 if (p == NULL) 807 panic("fms_trigger_output: request with bad start " 808 "address (%p)", start); 809 810 sc->sc_play_start = p->map->dm_segs[0].ds_addr; 811 sc->sc_play_end = sc->sc_play_start + ((char *)end - (char *)start); 812 sc->sc_play_blksize = blksize; 813 sc->sc_play_nextblk = sc->sc_play_start + sc->sc_play_blksize; 814 sc->sc_play_flip = 0; 815 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMALEN, blksize - 1); 816 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF1, 817 sc->sc_play_start); 818 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_PLAY_DMABUF2, 819 sc->sc_play_nextblk); 820 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_PLAY_CTL, 821 FM_PLAY_START | FM_PLAY_STOPNOW | sc->sc_play_reg); 822 return 0; 823 } 824 825 826 static int 827 fms_trigger_input(void *addr, void *start, void *end, int blksize, 828 void (*intr)(void *), void *arg, const audio_params_t *param) 829 { 830 struct fms_softc *sc; 831 struct fms_dma *p; 832 833 sc = addr; 834 sc->sc_rintr = intr; 835 sc->sc_rarg = arg; 836 837 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 838 continue; 839 840 if (p == NULL) 841 panic("fms_trigger_input: request with bad start " 842 "address (%p)", start); 843 844 sc->sc_rec_start = p->map->dm_segs[0].ds_addr; 845 sc->sc_rec_end = sc->sc_rec_start + ((char *)end - (char *)start); 846 sc->sc_rec_blksize = blksize; 847 sc->sc_rec_nextblk = sc->sc_rec_start + sc->sc_rec_blksize; 848 sc->sc_rec_flip = 0; 849 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_DMALEN, blksize - 1); 850 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF1, 851 sc->sc_rec_start); 852 bus_space_write_4(sc->sc_iot, sc->sc_ioh, FM_REC_DMABUF2, 853 sc->sc_rec_nextblk); 854 bus_space_write_2(sc->sc_iot, sc->sc_ioh, FM_REC_CTL, 855 FM_REC_START | FM_REC_STOPNOW | sc->sc_rec_reg); 856 return 0; 857 } 858
Indexes created Sun Oct 12 09:09:55 GMT 2025