vs.c revision 1.1
1 /* $NetBSD: vs.c,v 1.1 2001/05/02 13:00:20 minoura Exp $ */ 2 3 /* 4 * Copyright (c) 2001 Tetsuya Isaki. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Tetsuya Isaki. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 25 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 27 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 28 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 /* 34 * VS - OKI MSM6258 ADPCM voice synthesizer device driver. 35 */ 36 37 #include "audio.h" 38 #include "vs.h" 39 #if NAUDIO > 0 && NVS > 0 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/device.h> 44 45 #include <sys/audioio.h> 46 #include <dev/audio_if.h> 47 48 #include <machine/bus.h> 49 #include <machine/cpu.h> 50 51 #include <dev/ic/msm6258var.h> 52 53 #include <arch/x68k/dev/dmacvar.h> 54 #include <arch/x68k/dev/intiovar.h> 55 #include <arch/x68k/dev/opmreg.h> 56 57 #include <arch/x68k/dev/vsvar.h> 58 59 #ifdef VS_DEBUG 60 #define DPRINTF(x) printf x 61 #ifdef AUDIO_DEBUG 62 extern int audiodebug; 63 #endif 64 #else 65 #define DPRINTF(x) 66 #endif 67 68 static int vs_match __P((struct device *, struct cfdata *, void *)); 69 static void vs_attach __P((struct device *, struct device *, void *)); 70 71 static int vs_dmaintr __P((void *)); 72 static int vs_dmaerrintr __P((void *)); 73 74 /* MI audio layer interface */ 75 static int vs_open __P((void *, int)); 76 static void vs_close __P((void *)); 77 static int vs_query_encoding __P((void *, struct audio_encoding *)); 78 static int vs_set_params __P((void *, int, int, struct audio_params *, 79 struct audio_params *)); 80 static int vs_init_output __P((void *, void *, int)); 81 static int vs_init_input __P((void *, void *, int)); 82 static int vs_trigger_output __P((void *, void *, void *, int, 83 void (*)(void *), void *, 84 struct audio_params *)); 85 static int vs_trigger_input __P((void *, void *, void *, int, 86 void (*)(void *), void *, 87 struct audio_params *)); 88 static int vs_halt_output __P((void *)); 89 static int vs_halt_input __P((void *)); 90 static int vs_allocmem __P((struct vs_softc *, size_t, size_t, size_t, int, 91 struct vs_dma *)); 92 static void vs_freemem __P((struct vs_dma *)); 93 static int vs_getdev __P((void *, struct audio_device *)); 94 static int vs_set_port __P((void *, mixer_ctrl_t *)); 95 static int vs_get_port __P((void *, mixer_ctrl_t *)); 96 static int vs_query_devinfo __P((void *, mixer_devinfo_t *)); 97 static void *vs_allocm __P((void *, int, size_t, int, int)); 98 static void vs_freem __P((void *, void *, int)); 99 static size_t vs_round_buffersize __P((void *, int, size_t)); 100 static int vs_get_props __P((void *)); 101 102 /* lower functions */ 103 static u_long vs_round_sr(u_long); 104 static void vs_set_sr(struct vs_softc *sc, u_long); 105 static inline void vs_set_po(struct vs_softc *sc, u_long); 106 static int adpcm_estimindex[]; 107 static int adpcm_estim[]; 108 static u_char adpcm_estimindex_correct[]; 109 static inline u_char pcm2adpcm_step __P((short, short *, signed char *)); 110 static void vs_ulinear8_to_adpcm __P((void *, u_char *, int)); 111 static void vs_mulaw_to_adpcm __P((void *, u_char *, int)); 112 113 extern struct cfdata vs_cd; 114 115 struct cfattach vs_ca = { 116 sizeof(struct vs_softc), vs_match, vs_attach 117 }; 118 119 static struct audio_hw_if vs_hw_if = { 120 vs_open, 121 vs_close, 122 NULL, /* drain */ 123 124 vs_query_encoding, 125 vs_set_params, 126 NULL, /* round_blocksize */ 127 NULL, /* commit_settings */ 128 129 NULL, /* init_output */ 130 NULL, /* init_input */ 131 NULL, /* start_output */ 132 NULL, /* start_input */ 133 134 vs_halt_output, 135 vs_halt_input, 136 NULL, /* speaker_ctl */ 137 138 vs_getdev, 139 NULL, /* setfd */ 140 141 vs_set_port, 142 vs_get_port, 143 vs_query_devinfo, 144 145 vs_allocm, 146 vs_freem, 147 vs_round_buffersize, 148 NULL, /* mappage */ 149 150 vs_get_props, 151 152 vs_trigger_output, 153 vs_trigger_input, 154 }; 155 156 static struct audio_device vs_device = { 157 "OKI MSM6258", 158 "", 159 "vs" 160 }; 161 162 struct { 163 u_long low; 164 u_long rate; 165 u_char clk; 166 u_char den; 167 } vs_l2r[] = { 168 { 13021, VS_RATE_15K, VS_CLK_8MHZ, VS_SRATE_512 }, 169 { 9115, VS_RATE_10K, VS_CLK_8MHZ, VS_SRATE_768 }, 170 { 6510, VS_RATE_7K, VS_CLK_8MHZ, VS_SRATE_1024}, 171 { 4557, VS_RATE_5K, VS_CLK_4MHZ, VS_SRATE_768 }, 172 { 0, VS_RATE_3K, VS_CLK_4MHZ, VS_SRATE_1024} 173 }; 174 175 176 static int 177 vs_match(struct device *parent, struct cfdata *cf, void *aux) 178 { 179 struct intio_attach_args *ia = aux; 180 181 if (strcmp(ia->ia_name, "vs") || cf->cf_unit > 0) 182 return 0; 183 184 if (ia->ia_addr == INTIOCF_ADDR_DEFAULT) 185 ia->ia_addr = VS_ADDR; 186 if (ia->ia_dma == INTIOCF_DMA_DEFAULT) 187 ia->ia_dma = VS_DMA; 188 if (ia->ia_dmaintr == INTIOCF_DMAINTR_DEFAULT) 189 ia->ia_dmaintr = VS_DMAINTR; 190 191 /* fixed parameters */ 192 if (ia->ia_addr != VS_ADDR) 193 return 0; 194 if (ia->ia_dma != VS_DMA) 195 return 0; 196 if (ia->ia_dmaintr != VS_DMAINTR) 197 return 0; 198 199 #ifdef AUDIO_DEBUG 200 audiodebug = 2; 201 #endif 202 203 return 1; 204 } 205 206 static void 207 vs_attach(struct device *parent, struct device *self, void *aux) 208 { 209 struct vs_softc *sc = (struct vs_softc *)self; 210 bus_space_tag_t iot; 211 bus_space_handle_t ioh; 212 struct intio_attach_args *ia = aux; 213 214 printf("\n"); 215 216 /* Re-map the I/O space */ 217 iot = ia->ia_bst; 218 bus_space_map(iot, ia->ia_addr, 0x2000, BUS_SPACE_MAP_SHIFTED, &ioh); 219 220 /* Initialize sc */ 221 sc->sc_iot = iot; 222 sc->sc_ioh = ioh; 223 sc->sc_hw_if = &vs_hw_if; 224 sc->sc_addr = (caddr_t) ia->ia_addr; 225 sc->sc_dmas = NULL; 226 227 /* Initialize codec */ 228 sc->sc_codec = msm6258_codec_init(); 229 if (sc->sc_codec == NULL) { 230 printf ("Could not init codec\n"); 231 return; 232 } 233 234 /* XXX */ 235 bus_space_map(iot, PPI_ADDR, PPI_MAPSIZE, BUS_SPACE_MAP_SHIFTED, 236 &sc->sc_ppi); 237 238 /* Initialize DMAC */ 239 sc->sc_dmat = ia->ia_dmat; 240 sc->sc_dma_ch = dmac_alloc_channel(parent, ia->ia_dma, "vs", 241 ia->ia_dmaintr, vs_dmaintr, sc, 242 ia->ia_dmaintr+1, vs_dmaerrintr, sc); 243 244 printf("%s: MSM6258V ADPCM voice synthesizer\n", sc->sc_dev.dv_xname); 245 246 audio_attach_mi(&vs_hw_if, sc, &sc->sc_dev); 247 } 248 249 /* 250 * vs interrupt handler 251 */ 252 static int 253 vs_dmaintr(void *hdl) 254 { 255 struct vs_softc *sc = hdl; 256 257 DPRINTF(("vs_dmaintr\n")); 258 259 if (sc->sc_pintr) { 260 /* start next transfer */ 261 sc->sc_current.dmap += sc->sc_current.rawblk; 262 if (sc->sc_current.dmap + sc->sc_current.rawblk 263 > sc->sc_current.bufsize) 264 sc->sc_current.dmap -= sc->sc_current.bufsize; 265 dmac_start_xfer_offset (sc->sc_dma_ch->ch_softc, 266 sc->sc_current.xfer, 267 sc->sc_current.dmap, 268 sc->sc_current.hwblk); 269 sc->sc_pintr(sc->sc_parg); 270 } else if (sc->sc_rintr) { 271 /* start next transfer */ 272 sc->sc_current.dmap += sc->sc_current.rawblk; 273 if (sc->sc_current.dmap + sc->sc_current.rawblk 274 >= sc->sc_current.bufsize) 275 dmac_start_xfer_offset (sc->sc_dma_ch->ch_softc, 276 sc->sc_current.xfer, 277 sc->sc_current.dmap, 278 sc->sc_current.hwblk); 279 sc->sc_rintr(sc->sc_rarg); 280 } else { 281 printf ("vs_dmaintr: spurious interrupt\n"); 282 } 283 284 return 1; 285 } 286 287 static int 288 vs_dmaerrintr(void *hdl) 289 { 290 struct vs_softc *sc = hdl; 291 292 DPRINTF(("%s: DMA transfer error.\n", sc->sc_dev.dv_xname)); 293 /* XXX */ 294 vs_dmaintr(hdl); 295 296 return 1; 297 } 298 299 300 /* 301 * audio MD layer interfaces 302 */ 303 304 static int 305 vs_open(void *hdl, int flags) 306 { 307 struct vs_softc *sc = hdl; 308 309 DPRINTF(("%s: open: flags=%d\n", sc->sc_dev.dv_xname, flags)); 310 311 sc->sc_pintr = NULL; 312 sc->sc_rintr = NULL; 313 314 return 0; 315 } 316 317 static void 318 vs_close(void *hdl) 319 { 320 DPRINTF(("vs_close\n")); 321 } 322 323 static int 324 vs_query_encoding(void *hdl, struct audio_encoding *fp) 325 { 326 DPRINTF(("vs_query_encoding\n")); 327 switch (fp->index) { 328 case 0: 329 strcpy(fp->name, AudioEmulaw); 330 fp->encoding = AUDIO_ENCODING_ULAW; 331 fp->precision = 8; 332 fp->flags = 0; 333 break; 334 case 1: 335 strcpy(fp->name, AudioEulinear); 336 fp->encoding = AUDIO_ENCODING_ULINEAR; 337 fp->precision = 8; 338 fp->flags = 0; 339 break; 340 case 2: 341 strcpy(fp->name, AudioEadpcm); 342 fp->encoding = AUDIO_ENCODING_ADPCM; 343 fp->precision = 4; 344 fp->flags = 0; 345 break; 346 default: 347 return EINVAL; 348 } 349 return 0; 350 } 351 352 static u_long 353 vs_round_sr(u_long rate) 354 { 355 int i; 356 for (i = 0; i < 5; i++) { 357 if (rate >= vs_l2r[i].low) 358 return vs_l2r[i].rate; 359 } 360 /*NOTREACHED*/ 361 } 362 363 static int 364 vs_set_params(void *hdl, int setmode, int usemode, 365 struct audio_params *play, struct audio_params *rec) 366 { 367 struct vs_softc *sc = hdl; 368 struct audio_params *p; 369 int mode; 370 371 DPRINTF(("vs_set_params: setmode=%d, usemode=%d\n", setmode, usemode)); 372 373 sc->sc_current.pdenom = 1; 374 /* set first record info, then play info */ 375 for (mode = AUMODE_RECORD; mode != -1; 376 mode = (mode == AUMODE_RECORD) ? AUMODE_PLAY : -1) { 377 if ((setmode & mode) == 0) 378 continue; 379 380 p = (mode == AUMODE_PLAY) ? play : rec; 381 382 if (p->channels != 1) 383 return (EINVAL); 384 385 p->sample_rate = vs_round_sr(p->sample_rate); 386 387 p->sw_code = NULL; 388 p->factor = 1; 389 switch (p->encoding) { 390 case AUDIO_ENCODING_ULAW: 391 if (p->precision != 8) 392 return EINVAL; 393 if (mode == AUMODE_PLAY) { 394 p->sw_code = msm6258_mulaw_to_adpcm; 395 sc->sc_current.pdenom = 2; 396 } else { 397 p->sw_code = msm6258_adpcm_to_mulaw; 398 p->factor = 2; 399 } 400 break; 401 case AUDIO_ENCODING_ULINEAR_LE: 402 case AUDIO_ENCODING_ULINEAR_BE: 403 if (p->precision != 8) 404 return EINVAL; 405 if (mode == AUMODE_PLAY) { 406 p->sw_code = msm6258_ulinear8_to_adpcm; 407 sc->sc_current.pdenom = 2; 408 } else { 409 p->sw_code = msm6258_adpcm_to_ulinear8; 410 p->factor = 2; 411 } 412 break; 413 case AUDIO_ENCODING_ADPCM: 414 if (p->precision != 4) 415 return EINVAL; 416 p->sw_code = NULL; 417 break; 418 default: 419 DPRINTF(("vs_set_params: mode=%d, encoding=%d\n", 420 mode, p->encoding)); 421 return (EINVAL); 422 } 423 } 424 425 return 0; 426 } 427 428 static void 429 vs_set_sr(struct vs_softc *sc, u_long rate) 430 { 431 int i; 432 for (i = 0; i < 5; i++) { 433 if (rate >= vs_l2r[i].low) { 434 bus_space_write_1(sc->sc_iot, sc->sc_ppi, PPI_PORTC, 435 (bus_space_read_1 (sc->sc_iot, 436 sc->sc_ppi, 437 PPI_PORTC) & 0xf0) 438 | vs_l2r[i].den); 439 adpcm_chgclk(vs_l2r[i].clk); 440 return; 441 } 442 } 443 /*NOTREACHED*/ 444 } 445 446 static inline void 447 vs_set_po(struct vs_softc *sc, u_long po) 448 { 449 bus_space_write_1(sc->sc_iot, sc->sc_ppi, PPI_PORTC, 450 (bus_space_read_1(sc->sc_iot, sc->sc_ppi, PPI_PORTC) 451 & 0xfc) | po); 452 } 453 454 static int 455 vs_trigger_output(void *hdl, void *start, void *end, int bsize, 456 void (*intr)(void *), void *arg, 457 struct audio_params *p) 458 { 459 struct vs_softc *sc = hdl; 460 struct vs_dma *vd; 461 struct dmac_dma_xfer *xf; 462 struct dmac_channel_stat *chan = sc->sc_dma_ch; 463 464 DPRINTF(("vs_trigger_output\n")); 465 DPRINTF(("trigger_output: start=%p, bsize=%d, intr=%p, arg=%p\n", 466 start, bsize, intr, arg)); 467 468 sc->sc_pintr = intr; 469 sc->sc_parg = arg; 470 sc->sc_current.rawblk = bsize; 471 sc->sc_current.hwblk = bsize / sc->sc_current.pdenom;; 472 sc->sc_current.bufsize = (char*)end - (char*)start; 473 sc->sc_current.dmap = 0; 474 475 /* Find DMA buffer. */ 476 for (vd = sc->sc_dmas; vd != NULL && KVADDR(vd) != start; 477 vd = vd->vd_next) 478 ; 479 if (vd == NULL) { 480 printf("%s: trigger_output: bad addr %p\n", 481 sc->sc_dev.dv_xname, start); 482 return (EINVAL); 483 } 484 485 vs_set_sr(sc, p->sample_rate); 486 vs_set_po(sc, VS_PANOUT_LR); 487 xf = dmac_alloc_xfer (chan, sc->sc_dmat, vd->vd_map); 488 sc->sc_current.xfer = xf; 489 chan->ch_dcr = (DMAC_DCR_XRM_CSWOH | DMAC_DCR_OTYP_EASYNC | 490 DMAC_DCR_OPS_8BIT); 491 chan->ch_ocr = DMAC_OCR_REQG_EXTERNAL; 492 xf->dx_ocr = DMAC_OCR_DIR_MTD; 493 xf->dx_scr = DMAC_SCR_MAC_COUNT_UP | DMAC_SCR_DAC_NO_COUNT; 494 xf->dx_device = sc->sc_addr + MSM6258_DATA*2 + 1; 495 if (sc->sc_current.pdenom == 2) 496 chan->ch_ocr |= DMAC_OCR_SIZE_BYTE_NOPACK; 497 dmac_load_xfer (chan->ch_softc, xf); 498 dmac_start_xfer_offset (chan->ch_softc, xf, 0, sc->sc_current.hwblk); 499 bus_space_write_1 (sc->sc_iot, sc->sc_ioh, MSM6258_STAT, 2); 500 501 return 0; 502 } 503 504 static int 505 vs_trigger_input(void *hdl, void *start, void *end, int bsize, 506 void (*intr)(void *), void *arg, 507 struct audio_params *p) 508 { 509 struct vs_softc *sc = hdl; 510 struct vs_dma *vd; 511 512 DPRINTF(("vs_trigger_input\n")); 513 DPRINTF(("trigger_input: start=%p, bsize=%d, intr=%p, arg=%p\n", 514 start, bsize, intr, arg)); 515 516 sc->sc_rintr = intr; 517 sc->sc_rarg = arg; 518 sc->sc_current.rawblk = bsize; 519 sc->sc_current.hwblk = bsize; 520 sc->sc_current.bufsize = (char*)end - (char*)start; 521 sc->sc_current.dmap = 0; 522 523 /* Find DMA buffer. */ 524 for (vd = sc->sc_dmas; vd != NULL && KVADDR(vd) != start; 525 vd = vd->vd_next) 526 ; 527 if (vd == NULL) { 528 printf("%s: trigger_output: bad addr %p\n", 529 sc->sc_dev.dv_xname, start); 530 return (EINVAL); 531 } 532 533 vs_set_sr(sc, p->sample_rate); 534 sc->sc_current.xfer 535 = dmac_prepare_xfer (sc->sc_dma_ch, sc->sc_dmat, vd->vd_map, 536 DMAC_OCR_DIR_DTM, 537 DMAC_SCR_MAC_COUNT_UP | DMAC_SCR_DAC_NO_COUNT, 538 sc->sc_addr + MSM6258_DATA*2); 539 dmac_start_xfer_offset (sc->sc_dma_ch->ch_softc, sc->sc_current.xfer, 540 0, sc->sc_current.hwblk); 541 bus_space_write_1 (sc->sc_iot, sc->sc_ioh, MSM6258_STAT, 4); 542 543 return 0; 544 } 545 546 static int 547 vs_halt_output(void *hdl) 548 { 549 struct vs_softc *sc = hdl; 550 551 DPRINTF(("vs_halt_output\n")); 552 553 /* stop ADPCM play */ 554 dmac_abort_xfer(sc->sc_dma_ch->ch_softc, sc->sc_current.xfer); 555 bus_space_write_1 (sc->sc_iot, sc->sc_ioh, MSM6258_STAT, 1); 556 557 DPRINTF(("vs_halt_output: csr=%x,cer=%x\n", dmac->csr, dmac->cer)); 558 return 0; 559 } 560 561 static int 562 vs_halt_input(void *hdl) 563 { 564 struct vs_softc *sc = hdl; 565 566 DPRINTF(("vs_halt_input\n")); 567 568 /* stop ADPCM recoding */ 569 dmac_abort_xfer(sc->sc_dma_ch->ch_softc, sc->sc_current.xfer); 570 bus_space_write_1 (sc->sc_iot, sc->sc_ioh, MSM6258_STAT, 1); 571 572 return 0; 573 } 574 575 static int 576 vs_allocmem(sc, size, align, boundary, flags, vd) 577 struct vs_softc *sc; 578 size_t size; 579 size_t align; 580 size_t boundary; 581 int flags; 582 struct vs_dma *vd; 583 { 584 int error, wait; 585 586 #ifdef DIAGNOSTIC 587 if (size > DMAC_MAXSEGSZ) 588 panic ("vs_allocmem: maximum size exceeded, %d", (int) size); 589 #endif 590 591 wait = (flags & M_NOWAIT) ? BUS_DMA_NOWAIT : BUS_DMA_WAITOK; 592 vd->vd_size = size; 593 594 error = bus_dmamem_alloc(vd->vd_dmat, vd->vd_size, align, boundary, 595 vd->vd_segs, 596 sizeof (vd->vd_segs) / sizeof (vd->vd_segs[0]), 597 &vd->vd_nsegs, wait); 598 if (error) 599 goto out; 600 601 error = bus_dmamem_map(vd->vd_dmat, vd->vd_segs, vd->vd_nsegs, 602 vd->vd_size, &vd->vd_addr, 603 wait | BUS_DMA_COHERENT); 604 if (error) 605 goto free; 606 607 error = bus_dmamap_create(vd->vd_dmat, vd->vd_size, 1, DMAC_MAXSEGSZ, 608 0, wait, &vd->vd_map); 609 if (error) 610 goto unmap; 611 612 error = bus_dmamap_load(vd->vd_dmat, vd->vd_map, vd->vd_addr, 613 vd->vd_size, NULL, wait); 614 if (error) 615 goto destroy; 616 617 return (0); 618 619 destroy: 620 bus_dmamap_destroy(vd->vd_dmat, vd->vd_map); 621 unmap: 622 bus_dmamem_unmap(vd->vd_dmat, vd->vd_addr, vd->vd_size); 623 free: 624 bus_dmamem_free(vd->vd_dmat, vd->vd_segs, vd->vd_nsegs); 625 out: 626 return (error); 627 } 628 629 static void 630 vs_freemem(vd) 631 struct vs_dma *vd; 632 { 633 634 bus_dmamap_unload(vd->vd_dmat, vd->vd_map); 635 bus_dmamap_destroy(vd->vd_dmat, vd->vd_map); 636 bus_dmamem_unmap(vd->vd_dmat, vd->vd_addr, vd->vd_size); 637 bus_dmamem_free(vd->vd_dmat, vd->vd_segs, vd->vd_nsegs); 638 } 639 640 static int 641 vs_getdev(void *hdl, struct audio_device *retp) 642 { 643 DPRINTF(("vs_getdev\n")); 644 645 *retp = vs_device; 646 return 0; 647 } 648 649 static int 650 vs_set_port(void *hdl, mixer_ctrl_t *cp) 651 { 652 DPRINTF(("vs_set_port\n")); 653 return 0; 654 } 655 656 static int 657 vs_get_port(void *hdl, mixer_ctrl_t *cp) 658 { 659 DPRINTF(("vs_get_port\n")); 660 return 0; 661 } 662 663 static int 664 vs_query_devinfo(void *hdl, mixer_devinfo_t *mi) 665 { 666 DPRINTF(("vs_query_devinfo\n")); 667 switch (mi->index) { 668 default: 669 return EINVAL; 670 } 671 return 0; 672 } 673 674 static void * 675 vs_allocm(hdl, direction, size, type, flags) 676 void *hdl; 677 int direction; 678 size_t size; 679 int type, flags; 680 { 681 struct vs_softc *sc = hdl; 682 struct vs_dma *vd; 683 int error; 684 685 if ((vd = malloc(size, type, flags)) == NULL) 686 return (NULL); 687 688 vd->vd_dmat = sc->sc_dmat; 689 690 error = vs_allocmem(sc, size, 32, 0, flags, vd); 691 if (error) { 692 free(vd, type); 693 return (NULL); 694 } 695 vd->vd_next = sc->sc_dmas; 696 sc->sc_dmas = vd; 697 698 return (KVADDR(vd)); 699 } 700 701 static void 702 vs_freem(hdl, addr, type) 703 void *hdl; 704 void *addr; 705 int type; 706 { 707 struct vs_softc *sc = hdl; 708 struct vs_dma *p, **pp; 709 710 for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->vd_next) { 711 if (KVADDR(p) == addr) { 712 vs_freemem(p); 713 *pp = p->vd_next; 714 free(p, type); 715 return; 716 } 717 } 718 } 719 720 static size_t 721 vs_round_buffersize(void *hdl, int direction, size_t bufsize) 722 { 723 if (bufsize > DMAC_MAXSEGSZ) 724 bufsize = DMAC_MAXSEGSZ; 725 726 return bufsize; 727 } 728 729 #if 0 730 paddr_t 731 vs_mappage(addr, mem, off, prot) 732 void *addr; 733 void *mem; 734 off_t off; 735 int prot; 736 { 737 struct vs_softc *sc = addr; 738 struct vs_dma *p; 739 740 if (off < 0) 741 return (-1); 742 for (p = sc->sc_dmas; p != NULL && KVADDR(p) != mem; 743 p = p->vd_next) 744 ; 745 if (p == NULL) { 746 printf("%s: mappage: bad addr %p\n", 747 sc->sc_dev.dv_xname, start); 748 return (-1); 749 } 750 751 return (bus_dmamem_mmap(sc->sc_dmat, p->vd_segs, p->vd_nsegs, 752 off, prot, BUS_DMA_WAITOK)); 753 } 754 #endif 755 756 static int 757 vs_get_props(void *hdl) 758 { 759 DPRINTF(("vs_get_props\n")); 760 return 0 /* | dependent | half duplex | no mmap */; 761 } 762 #endif /* NAUDIO > 0 && NVS > 0*/ 763
Indexes created Tue Sep 30 11:09:46 GMT 2025