sb16.c revision 54888
1/* 2 * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk> 3 * Copyright 1997,1998 Luigi Rizzo. 4 * 5 * Derived from files in the Voxware 3.5 distribution, 6 * Copyright by Hannu Savolainen 1994, under the same copyright 7 * conditions. 8 * All rights reserved. 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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $FreeBSD: head/sys/dev/sound/isa/sb16.c 54888 1999-12-20 14:57:46Z cg $ 32 */ 33 34#include <dev/sound/pcm/sound.h> 35 36#include "sbc.h" 37 38#define __SB_MIXER_C__ /* XXX warning... */ 39#include <dev/sound/isa/sb.h> 40#include <dev/sound/chip.h> 41 42/* channel interface */ 43static void *sbchan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir); 44static int sbchan_setdir(void *data, int dir); 45static int sbchan_setformat(void *data, u_int32_t format); 46static int sbchan_setspeed(void *data, u_int32_t speed); 47static int sbchan_setblocksize(void *data, u_int32_t blocksize); 48static int sbchan_trigger(void *data, int go); 49static int sbchan_getptr(void *data); 50static pcmchan_caps *sbchan_getcaps(void *data); 51 52/* channel interface for ESS */ 53#ifdef notyet 54static void *esschan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir); 55#endif 56static int esschan_setdir(void *data, int dir); 57static int esschan_setformat(void *data, u_int32_t format); 58static int esschan_setspeed(void *data, u_int32_t speed); 59static int esschan_setblocksize(void *data, u_int32_t blocksize); 60static int esschan_trigger(void *data, int go); 61static int esschan_getptr(void *data); 62static pcmchan_caps *esschan_getcaps(void *data); 63 64static pcmchan_caps sb_playcaps = { 65 4000, 22050, 66 AFMT_U8, 67 AFMT_U8 68}; 69 70static pcmchan_caps sb_reccaps = { 71 4000, 13000, 72 AFMT_U8, 73 AFMT_U8 74}; 75 76static pcmchan_caps sbpro_playcaps = { 77 4000, 45000, 78 AFMT_STEREO | AFMT_U8, 79 AFMT_STEREO | AFMT_U8 80}; 81 82static pcmchan_caps sbpro_reccaps = { 83 4000, 15000, 84 AFMT_STEREO | AFMT_U8, 85 AFMT_STEREO | AFMT_U8 86}; 87 88static pcmchan_caps sb16_hcaps = { 89 5000, 45000, 90 AFMT_STEREO | AFMT_S16_LE, 91 AFMT_STEREO | AFMT_S16_LE 92}; 93 94static pcmchan_caps sb16_lcaps = { 95 5000, 45000, 96 AFMT_STEREO | AFMT_U8, 97 AFMT_STEREO | AFMT_U8 98}; 99 100static pcmchan_caps sb16x_caps = { 101 5000, 49000, 102 AFMT_STEREO | AFMT_U8 | AFMT_S16_LE, 103 AFMT_STEREO | AFMT_S16_LE 104}; 105 106static pcmchan_caps ess_playcaps = { 107 5000, 49000, 108 AFMT_STEREO | AFMT_U8 | AFMT_S16_LE, 109 AFMT_STEREO | AFMT_S16_LE 110}; 111 112static pcmchan_caps ess_reccaps = { 113 5000, 49000, 114 AFMT_STEREO | AFMT_U8 | AFMT_S16_LE, 115 AFMT_STEREO | AFMT_S16_LE 116}; 117 118static pcm_channel sb_chantemplate = { 119 sbchan_init, 120 sbchan_setdir, 121 sbchan_setformat, 122 sbchan_setspeed, 123 sbchan_setblocksize, 124 sbchan_trigger, 125 sbchan_getptr, 126 sbchan_getcaps, 127}; 128 129static pcm_channel ess_chantemplate = { 130 sbchan_init, 131 esschan_setdir, 132 esschan_setformat, 133 esschan_setspeed, 134 esschan_setblocksize, 135 esschan_trigger, 136 esschan_getptr, 137 esschan_getcaps, 138}; 139#define PLAIN_SB16(x) ((((x)->bd_flags) & (BD_F_SB16|BD_F_SB16X)) == BD_F_SB16) 140 141struct sb_info; 142 143struct sb_chinfo { 144 struct sb_info *parent; 145 pcm_channel *channel; 146 snd_dbuf *buffer; 147 int dir; 148 u_int32_t fmt; 149 int ess_dma_started; 150}; 151 152struct sb_info { 153 struct resource *io_base; /* I/O address for the board */ 154 struct resource *irq; 155 struct resource *drq1; 156 struct resource *drq2; 157 bus_dma_tag_t parent_dmat; 158 159 int bd_id; 160 u_long bd_flags; /* board-specific flags */ 161 struct sb_chinfo pch, rch; 162}; 163 164static int sb_rd(struct sb_info *sb, int reg); 165static void sb_wr(struct sb_info *sb, int reg, u_int8_t val); 166static int sb_dspready(struct sb_info *sb); 167static int sb_cmd(struct sb_info *sb, u_char val); 168static int sb_cmd1(struct sb_info *sb, u_char cmd, int val); 169static int sb_cmd2(struct sb_info *sb, u_char cmd, int val); 170static u_int sb_get_byte(struct sb_info *sb); 171static void sb_setmixer(struct sb_info *sb, u_int port, u_int value); 172static int sb_getmixer(struct sb_info *sb, u_int port); 173static int sb_reset_dsp(struct sb_info *sb); 174 175static void sb_intr(void *arg); 176static int sb_format(struct sb_chinfo *ch, u_int32_t format); 177static int sb_speed(struct sb_chinfo *ch, int speed); 178static int sb_start(struct sb_chinfo *ch); 179static int sb_stop(struct sb_chinfo *ch); 180 181static int ess_write(struct sb_info *sb, u_char reg, int val); 182static int ess_read(struct sb_info *sb, u_char reg); 183static void ess_intr(void *arg); 184static int ess_format(struct sb_chinfo *ch, u_int32_t format); 185static int ess_speed(struct sb_chinfo *ch, int speed); 186static int ess_start(struct sb_chinfo *ch); 187static int ess_stop(struct sb_chinfo *ch); 188static int ess_abort(struct sb_chinfo *ch); 189 190static int sbmix_init(snd_mixer *m); 191static int sbmix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right); 192static int sbmix_setrecsrc(snd_mixer *m, u_int32_t src); 193 194static snd_mixer sb_mixer = { 195 "SoundBlaster mixer", 196 sbmix_init, 197 sbmix_set, 198 sbmix_setrecsrc, 199}; 200 201static devclass_t pcm_devclass; 202 203/* 204 * Common code for the midi and pcm functions 205 * 206 * sb_cmd write a single byte to the CMD port. 207 * sb_cmd1 write a CMD + 1 byte arg 208 * sb_cmd2 write a CMD + 2 byte arg 209 * sb_get_byte returns a single byte from the DSP data port 210 * 211 * ess_write is actually sb_cmd1 212 * ess_read access ext. regs via sb_cmd(0xc0, reg) followed by sb_get_byte 213 */ 214 215static int 216port_rd(struct resource *port, int off) 217{ 218 return bus_space_read_1(rman_get_bustag(port), 219 rman_get_bushandle(port), 220 off); 221} 222 223static void 224port_wr(struct resource *port, int off, u_int8_t data) 225{ 226 return bus_space_write_1(rman_get_bustag(port), 227 rman_get_bushandle(port), 228 off, data); 229} 230 231static int 232sb_rd(struct sb_info *sb, int reg) 233{ 234 return port_rd(sb->io_base, reg); 235} 236 237static void 238sb_wr(struct sb_info *sb, int reg, u_int8_t val) 239{ 240 port_wr(sb->io_base, reg, val); 241} 242 243static int 244sb_dspready(struct sb_info *sb) 245{ 246 return ((sb_rd(sb, SBDSP_STATUS) & 0x80) == 0); 247} 248 249static int 250sb_dspwr(struct sb_info *sb, u_char val) 251{ 252 int i; 253 254 for (i = 0; i < 1000; i++) { 255 if (sb_dspready(sb)) { 256 sb_wr(sb, SBDSP_CMD, val); 257 return 1; 258 } 259 if (i > 10) DELAY((i > 100)? 1000 : 10); 260 } 261 printf("sb_dspwr(0x%02x) timed out.\n", val); 262 return 0; 263} 264 265static int 266sb_cmd(struct sb_info *sb, u_char val) 267{ 268#if 0 269 printf("sb_cmd: %x\n", val); 270#endif 271 return sb_dspwr(sb, val); 272} 273 274static int 275sb_cmd1(struct sb_info *sb, u_char cmd, int val) 276{ 277#if 0 278 printf("sb_cmd1: %x, %x\n", cmd, val); 279#endif 280 if (sb_dspwr(sb, cmd)) { 281 return sb_dspwr(sb, val & 0xff); 282 } else return 0; 283} 284 285static int 286sb_cmd2(struct sb_info *sb, u_char cmd, int val) 287{ 288#if 0 289 printf("sb_cmd2: %x, %x\n", cmd, val); 290#endif 291 if (sb_dspwr(sb, cmd)) { 292 return sb_dspwr(sb, val & 0xff) && 293 sb_dspwr(sb, (val >> 8) & 0xff); 294 } else return 0; 295} 296 297/* 298 * in the SB, there is a set of indirect "mixer" registers with 299 * address at offset 4, data at offset 5 300 */ 301static void 302sb_setmixer(struct sb_info *sb, u_int port, u_int value) 303{ 304 u_long flags; 305 306 flags = spltty(); 307 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 308 DELAY(10); 309 sb_wr(sb, SB_MIX_DATA, (u_char) (value & 0xff)); 310 DELAY(10); 311 splx(flags); 312} 313 314static int 315sb_getmixer(struct sb_info *sb, u_int port) 316{ 317 int val; 318 u_long flags; 319 320 flags = spltty(); 321 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 322 DELAY(10); 323 val = sb_rd(sb, SB_MIX_DATA); 324 DELAY(10); 325 splx(flags); 326 327 return val; 328} 329 330static u_int 331sb_get_byte(struct sb_info *sb) 332{ 333 int i; 334 335 for (i = 1000; i > 0; i--) { 336 if (sb_rd(sb, DSP_DATA_AVAIL) & 0x80) 337 return sb_rd(sb, DSP_READ); 338 else 339 DELAY(20); 340 } 341 return 0xffff; 342} 343 344static int 345ess_write(struct sb_info *sb, u_char reg, int val) 346{ 347 return sb_cmd1(sb, reg, val); 348} 349 350static int 351ess_read(struct sb_info *sb, u_char reg) 352{ 353 return (sb_cmd(sb, 0xc0) && sb_cmd(sb, reg))? sb_get_byte(sb) : 0xffff; 354} 355 356static int 357sb_reset_dsp(struct sb_info *sb) 358{ 359 sb_wr(sb, SBDSP_RST, 3); 360 DELAY(100); 361 sb_wr(sb, SBDSP_RST, 0); 362 if (sb_get_byte(sb) != 0xAA) { 363 DEB(printf("sb_reset_dsp 0x%lx failed\n", 364 rman_get_start(d->io_base))); 365 return ENXIO; /* Sorry */ 366 } 367 if (sb->bd_flags & BD_F_ESS) sb_cmd(sb, 0xc6); 368 return 0; 369} 370 371static void 372sb_release_resources(struct sb_info *sb, device_t dev) 373{ 374 /* should we bus_teardown_intr here? */ 375 if (sb->irq) { 376 bus_release_resource(dev, SYS_RES_IRQ, 0, sb->irq); 377 sb->irq = 0; 378 } 379 if (sb->drq1) { 380 bus_release_resource(dev, SYS_RES_DRQ, 0, sb->drq1); 381 sb->drq1 = 0; 382 } 383 if (sb->drq2) { 384 bus_release_resource(dev, SYS_RES_DRQ, 1, sb->drq2); 385 sb->drq2 = 0; 386 } 387 if (sb->io_base) { 388 bus_release_resource(dev, SYS_RES_IOPORT, 0, sb->io_base); 389 sb->io_base = 0; 390 } 391 free(sb, M_DEVBUF); 392} 393 394static int 395sb_alloc_resources(struct sb_info *sb, device_t dev) 396{ 397 int rid; 398 399 rid = 0; 400 if (!sb->io_base) 401 sb->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT, 402 &rid, 0, ~0, 1, 403 RF_ACTIVE); 404 rid = 0; 405 if (!sb->irq) 406 sb->irq = bus_alloc_resource(dev, SYS_RES_IRQ, 407 &rid, 0, ~0, 1, 408 RF_ACTIVE); 409 rid = 0; 410 if (!sb->drq1) 411 sb->drq1 = bus_alloc_resource(dev, SYS_RES_DRQ, 412 &rid, 0, ~0, 1, 413 RF_ACTIVE); 414 rid = 1; 415 if (!sb->drq2 && !(sb->bd_flags & BD_F_ESS)) 416 sb->drq2 = bus_alloc_resource(dev, SYS_RES_DRQ, 417 &rid, 0, ~0, 1, 418 RF_ACTIVE); 419 420 if (sb->io_base && sb->drq1 && sb->irq) { 421 isa_dma_acquire(rman_get_start(sb->drq1)); 422 isa_dmainit(rman_get_start(sb->drq1), DSP_BUFFSIZE); 423 424 if (sb->drq2) { 425 isa_dma_acquire(rman_get_start(sb->drq2)); 426 isa_dmainit(rman_get_start(sb->drq2), DSP_BUFFSIZE); 427 } 428 429 return 0; 430 } else return ENXIO; 431} 432 433static void 434sb16_swap(void *v, int dir) 435{ 436 struct sb_info *sb = v; 437 int pb = sb->pch.buffer->dl; 438 int rb = sb->rch.buffer->dl; 439 int pc = sb->pch.buffer->chan; 440 int rc = sb->rch.buffer->chan; 441 int swp = 0; 442 443 if (!pb && !rb) { 444 if (dir == PCMDIR_PLAY && pc < 4) swp = 1; 445 else if (dir == PCMDIR_REC && rc < 4) swp = 1; 446 if (sb->bd_flags & BD_F_SB16X) swp = !swp; 447 if (swp) { 448 int t; 449 450 t = sb->pch.buffer->chan; 451 sb->pch.buffer->chan = sb->rch.buffer->chan; 452 sb->rch.buffer->chan = t; 453 sb->pch.buffer->dir = B_WRITE; 454 sb->rch.buffer->dir = B_READ; 455 } 456 } 457} 458 459static int 460sb_doattach(device_t dev, struct sb_info *sb) 461{ 462 snddev_info *d = device_get_softc(dev); 463 void *ih; 464 char status[SND_STATUSLEN]; 465 466 if (sb_alloc_resources(sb, dev)) goto no; 467 if (sb_reset_dsp(sb)) goto no; 468 mixer_init(d, &sb_mixer, sb); 469 470 if (sb->bd_flags & BD_F_ESS) 471 bus_setup_intr(dev, sb->irq, INTR_TYPE_TTY, ess_intr, sb, &ih); 472 else 473 bus_setup_intr(dev, sb->irq, INTR_TYPE_TTY, sb_intr, sb, &ih); 474 if ((sb->bd_flags & BD_F_SB16) && !(sb->bd_flags & BD_F_SB16X)) 475 pcm_setswap(dev, sb16_swap); 476 if (!sb->drq2) 477 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX); 478 479 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0, 480 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT, 481 /*highaddr*/BUS_SPACE_MAXADDR, 482 /*filter*/NULL, /*filterarg*/NULL, 483 /*maxsize*/DSP_BUFFSIZE, /*nsegments*/1, 484 /*maxsegz*/0x3ffff, 485 /*flags*/0, &sb->parent_dmat) != 0) { 486 device_printf(dev, "unable to create dma tag\n"); 487 goto no; 488 } 489 490 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld", 491 rman_get_start(sb->io_base), rman_get_start(sb->irq), 492 rman_get_start(sb->drq1)); 493 if (sb->drq2) snprintf(status + strlen(status), SND_STATUSLEN - strlen(status), 494 ":%ld", rman_get_start(sb->drq2)); 495 496 if (pcm_register(dev, sb, 1, 1)) goto no; 497 if (sb->bd_flags & BD_F_ESS) { 498 pcm_addchan(dev, PCMDIR_REC, &ess_chantemplate, sb); 499 pcm_addchan(dev, PCMDIR_PLAY, &ess_chantemplate, sb); 500 } else { 501 pcm_addchan(dev, PCMDIR_REC, &sb_chantemplate, sb); 502 pcm_addchan(dev, PCMDIR_PLAY, &sb_chantemplate, sb); 503 } 504 pcm_setstatus(dev, status); 505 506 return 0; 507 508no: 509 sb_release_resources(sb, dev); 510 return ENXIO; 511} 512 513static void 514sb_intr(void *arg) 515{ 516 struct sb_info *sb = (struct sb_info *)arg; 517 int reason = 3, c; 518 519 /* 520 * SB < 4.0 is half duplex and has only 1 bit for int source, 521 * so we fake it. SB 4.x (SB16) has the int source in a separate 522 * register. 523 * The Vibra16X has separate flags for 8 and 16 bit transfers, but 524 * I have no idea how to tell capture from playback interrupts... 525 */ 526 if (sb->bd_flags & BD_F_SB16) { 527 c = sb_getmixer(sb, IRQ_STAT); 528 /* this tells us if the source is 8-bit or 16-bit dma. We 529 * have to check the io channel to map it to read or write... 530 */ 531 reason = 0; 532 if (c & 1) { /* 8-bit dma */ 533 if (sb->pch.fmt & AFMT_U8) reason |= 1; 534 if (sb->rch.fmt & AFMT_U8) reason |= 2; 535 } 536 if (c & 2) { /* 16-bit dma */ 537 if (sb->pch.fmt & AFMT_S16_LE) reason |= 1; 538 if (sb->rch.fmt & AFMT_S16_LE) reason |= 2; 539 } 540 } else c = 1; 541#if 0 542 printf("sb_intr: reason=%d c=0x%x\n", reason, c); 543#endif 544 if ((reason & 1) && (sb->pch.buffer->dl > 0)) 545 chn_intr(sb->pch.channel); 546 if ((reason & 2) && (sb->rch.buffer->dl > 0)) 547 chn_intr(sb->rch.channel); 548 if (c & 1) sb_rd(sb, DSP_DATA_AVAIL); /* 8-bit int ack */ 549 if (c & 2) sb_rd(sb, DSP_DATA_AVL16); /* 16-bit int ack */ 550} 551 552static void 553ess_intr(void *arg) 554{ 555 struct sb_info *sb = (struct sb_info *)arg; 556 sb_rd(sb, DSP_DATA_AVAIL); /* int ack */ 557#ifdef notyet 558 /* 559 * XXX 560 * for full-duplex mode: 561 * should read port 0x6 to identify where interrupt came from. 562 */ 563#endif 564 /* 565 * We are transferring data in DSP normal mode, 566 * so clear the dl to indicate the DMA is stopped. 567 */ 568 if (sb->pch.buffer->dl > 0) { 569 sb->pch.buffer->dl = -1; 570 chn_intr(sb->pch.channel); 571 } 572 if (sb->rch.buffer->dl > 0) { 573 sb->rch.buffer->dl = -1; 574 chn_intr(sb->rch.channel); 575 } 576} 577 578static int 579sb_format(struct sb_chinfo *ch, u_int32_t format) 580{ 581 ch->fmt = format; 582 return 0; 583} 584 585static int 586sb_speed(struct sb_chinfo *ch, int speed) 587{ 588 struct sb_info *sb = ch->parent; 589 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; 590 int stereo = (ch->fmt & AFMT_STEREO)? 1 : 0; 591 592 if (sb->bd_flags & BD_F_SB16) { 593 RANGE(speed, 5000, 45000); 594 sb_cmd(sb, 0x42 - play); 595 sb_cmd(sb, speed >> 8); 596 sb_cmd(sb, speed & 0xff); 597 } else { 598 u_char tconst; 599 int max_speed = 45000, tmp; 600 u_long flags; 601 602 /* here enforce speed limitations - max 22050 on sb 1.x*/ 603 if (sb->bd_id <= 0x200) max_speed = 22050; 604 605 /* 606 * SB models earlier than SB Pro have low limit for the 607 * input rate. Note that this is only for input, but since 608 * we do not support separate values for rec & play.... 609 */ 610 if (!play) { 611 if (sb->bd_id <= 0x200) max_speed = 13000; 612 else if (sb->bd_id < 0x300) max_speed = 15000; 613 } 614 RANGE(speed, 4000, max_speed); 615 if (stereo) speed <<= 1; 616 617 /* 618 * Now the speed should be valid. Compute the value to be 619 * programmed into the board. 620 */ 621 if (speed > 22050) { /* High speed mode on 2.01/3.xx */ 622 tconst = (u_char) 623 ((65536 - ((256000000 + speed / 2) / speed)) 624 >> 8); 625 sb->bd_flags |= BD_F_HISPEED; 626 tmp = 65536 - (tconst << 8); 627 speed = (256000000 + tmp / 2) / tmp; 628 } else { 629 sb->bd_flags &= ~BD_F_HISPEED; 630 tconst = (256 - ((1000000 + speed / 2) / speed)) & 0xff; 631 tmp = 256 - tconst; 632 speed = (1000000 + tmp / 2) / tmp; 633 } 634 flags = spltty(); 635 sb_cmd1(sb, 0x40, tconst); /* set time constant */ 636 splx(flags); 637 if (stereo) speed >>= 1; 638 } 639 return speed; 640} 641 642static int 643sb_start(struct sb_chinfo *ch) 644{ 645 struct sb_info *sb = ch->parent; 646 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; 647 int b16 = (ch->fmt & AFMT_S16_LE)? 1 : 0; 648 int stereo = (ch->fmt & AFMT_STEREO)? 1 : 0; 649 int l = ch->buffer->dl; 650 int dh = ch->buffer->chan > 3; 651 u_char i1, i2; 652 653 if (b16 || dh) l >>= 1; 654 l--; 655 if (play) sb_cmd(sb, DSP_CMD_SPKON); 656 if (sb->bd_flags & BD_F_SB16) { 657 i1 = DSP_F16_AUTO | DSP_F16_FIFO_ON | 658 (play? DSP_F16_DAC : DSP_F16_ADC); 659 i1 |= (b16 || dh)? DSP_DMA16 : DSP_DMA8; 660 i2 = (stereo? DSP_F16_STEREO : 0) | (b16? DSP_F16_SIGNED : 0); 661 sb_cmd(sb, i1); 662 sb_cmd2(sb, i2, l); 663 } else { 664 if (sb->bd_flags & BD_F_HISPEED) i1 = play? 0x90 : 0x98; 665 else i1 = play? 0x1c : 0x2c; 666 sb_setmixer(sb, 0x0e, stereo? 2 : 0); 667 /* an ESS extension -- they can do 16 bits */ 668 if (b16) i1 |= 1; 669 sb_cmd2(sb, 0x48, l); 670 sb_cmd(sb, i1); 671 } 672 sb->bd_flags |= BD_F_DMARUN << b16; 673 return 0; 674} 675 676static int 677sb_stop(struct sb_chinfo *ch) 678{ 679 struct sb_info *sb = ch->parent; 680 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; 681 int b16 = (ch->fmt & AFMT_S16_LE)? 1 : 0; 682 683 if (sb->bd_flags & BD_F_HISPEED) sb_reset_dsp(sb); 684 else { 685 sb_cmd(sb, b16? DSP_CMD_DMAPAUSE_16 : DSP_CMD_DMAPAUSE_8); 686 /* 687 * The above seems to have the undocumented side effect of 688 * blocking the other side as well. If the other 689 * channel was active (SB16) I have to re-enable it :( 690 */ 691 if (sb->bd_flags & (BD_F_DMARUN << (1 - b16))) 692 sb_cmd(sb, b16? 0xd4 : 0xd6 ); 693 } 694 if (play) sb_cmd(sb, DSP_CMD_SPKOFF); /* speaker off */ 695 sb->bd_flags &= ~(BD_F_DMARUN << b16); 696 return 0; 697} 698 699/* utility functions for ESS */ 700static int 701ess_format(struct sb_chinfo *ch, u_int32_t format) 702{ 703 struct sb_info *sb = ch->parent; 704 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; 705 int b16 = (format & AFMT_S16_LE)? 1 : 0; 706 int stereo = (format & AFMT_STEREO)? 1 : 0; 707 u_char c; 708 ch->fmt = format; 709 sb_reset_dsp(sb); 710 /* auto-init DMA mode */ 711 ess_write(sb, 0xb8, play ? 0x04 : 0x0e); 712 /* mono/stereo */ 713 c = (ess_read(sb, 0xa8) & ~0x03) | 1; 714 if (!stereo) c++; 715 ess_write(sb, 0xa8, c); 716 /* demand mode, 4 bytes/xfer */ 717 ess_write(sb, 0xb9, 2); 718 /* setup dac/adc */ 719 if (play) ess_write(sb, 0xb6, b16? 0x00 : 0x80); 720 ess_write(sb, 0xb7, 0x51 | (b16? 0x20 : 0x00)); 721 ess_write(sb, 0xb7, 0x98 + (b16? 0x24 : 0x00) + (stereo? 0x00 : 0x38)); 722 /* irq/drq control */ 723 ess_write(sb, 0xb1, (ess_read(sb, 0xb1) & 0x0f) | 0x50); 724 ess_write(sb, 0xb2, (ess_read(sb, 0xb2) & 0x0f) | 0x50); 725 return 0; 726} 727 728static int 729ess_speed(struct sb_chinfo *ch, int speed) 730{ 731 struct sb_info *sb = ch->parent; 732 int t; 733 RANGE (speed, 5000, 49000); 734 if (speed > 22000) { 735 t = (795500 + speed / 2) / speed; 736 speed = (795500 + t / 2) / t; 737 t = (256 - t ) | 0x80; 738 } else { 739 t = (397700 + speed / 2) / speed; 740 speed = (397700 + t / 2) / t; 741 t = 128 - t; 742 } 743 ess_write(sb, 0xa1, t); /* set time constant */ 744#if 0 745 d->play_speed = d->rec_speed = speed; 746 speed = (speed * 9 ) / 20; 747#endif 748 t = 256 - 7160000 / ((speed * 9 / 20) * 82); 749 ess_write(sb, 0xa2, t); 750 return speed; 751} 752 753static int 754ess_start(struct sb_chinfo *ch) 755{ 756 struct sb_info *sb = ch->parent; 757 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; 758 short c = - ch->buffer->dl; 759 u_char c1; 760 /* 761 * clear bit 0 of register B8h 762 */ 763#if 1 764 c1 = play ? 0x04 : 0x0e; 765 ess_write(sb, 0xb8, c1++); 766#else 767 c1 = ess_read(sb, 0xb8) & 0xfe; 768 ess_write(sb, 0xb8, c1++); 769#endif 770 /* 771 * update ESS Transfer Count Register 772 */ 773 ess_write(sb, 0xa4, (u_char)((u_short)c & 0xff)); 774 ess_write(sb, 0xa5, (u_char)(((u_short)c >> 8) & 0xff)); 775 /* 776 * set bit 0 of register B8h 777 */ 778 ess_write(sb, 0xb8, c1); 779 if (play) 780 sb_cmd(sb, DSP_CMD_SPKON); 781 return 0; 782} 783 784static int 785ess_stop(struct sb_chinfo *ch) 786{ 787 struct sb_info *sb = ch->parent; 788 /* 789 * no need to send a stop command if the DMA has already stopped. 790 */ 791 if (ch->buffer->dl > 0) { 792 sb_cmd(sb, DSP_CMD_DMAPAUSE_8); /* pause dma. */ 793 } 794 return 0; 795} 796 797static int 798ess_abort(struct sb_chinfo *ch) 799{ 800 struct sb_info *sb = ch->parent; 801 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; 802 if (play) sb_cmd(sb, DSP_CMD_SPKOFF); /* speaker off */ 803 sb_reset_dsp(sb); 804 ess_format(ch, ch->fmt); 805 ess_speed(ch, ch->channel->speed); 806 return 0; 807} 808 809/* channel interface */ 810static void * 811sbchan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir) 812{ 813 struct sb_info *sb = devinfo; 814 struct sb_chinfo *ch = (dir == PCMDIR_PLAY)? &sb->pch : &sb->rch; 815 int dch, dl, dh; 816 817 ch->parent = sb; 818 ch->channel = c; 819 ch->buffer = b; 820 ch->buffer->bufsize = DSP_BUFFSIZE; 821 if (chn_allocbuf(ch->buffer, sb->parent_dmat) == -1) return NULL; 822 dch = (dir == PCMDIR_PLAY)? 1 : 0; 823 if (sb->bd_flags & BD_F_SB16X) dch = !dch; 824 dl = rman_get_start(sb->drq1); 825 if (sb->drq2) dh = rman_get_start(sb->drq2); else dh = dl; 826 ch->buffer->chan = dch? dh : dl; 827 return ch; 828} 829 830static int 831sbchan_setdir(void *data, int dir) 832{ 833 struct sb_chinfo *ch = data; 834 ch->dir = dir; 835 return 0; 836} 837 838static int 839sbchan_setformat(void *data, u_int32_t format) 840{ 841 struct sb_chinfo *ch = data; 842 sb_format(ch, format); 843 return 0; 844} 845 846static int 847sbchan_setspeed(void *data, u_int32_t speed) 848{ 849 struct sb_chinfo *ch = data; 850 return sb_speed(ch, speed); 851} 852 853static int 854sbchan_setblocksize(void *data, u_int32_t blocksize) 855{ 856 return blocksize; 857} 858 859static int 860sbchan_trigger(void *data, int go) 861{ 862 struct sb_chinfo *ch = data; 863 buf_isadma(ch->buffer, go); 864 if (go == PCMTRIG_START) sb_start(ch); else sb_stop(ch); 865 return 0; 866} 867 868static int 869sbchan_getptr(void *data) 870{ 871 struct sb_chinfo *ch = data; 872 return buf_isadmaptr(ch->buffer); 873} 874 875static pcmchan_caps * 876sbchan_getcaps(void *data) 877{ 878 struct sb_chinfo *ch = data; 879 int p = (ch->dir == PCMDIR_PLAY)? 1 : 0; 880 if (ch->parent->bd_id < 0x300) 881 return p? &sb_playcaps : &sb_reccaps; 882 else if (ch->parent->bd_id < 0x400) 883 return p? &sbpro_playcaps : &sbpro_reccaps; 884 else if (ch->parent->bd_flags & BD_F_SB16X) 885 return &sb16x_caps; 886 else 887 return (ch->buffer->chan >= 4)? &sb16_hcaps : &sb16_lcaps; 888} 889/* channel interface for ESS18xx */ 890#ifdef notyet 891static void * 892esschan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir) 893{ 894 /* the same as sbchan_init()? */ 895} 896#endif 897 898static int 899esschan_setdir(void *data, int dir) 900{ 901 struct sb_chinfo *ch = data; 902 ch->dir = dir; 903 return 0; 904} 905 906static int 907esschan_setformat(void *data, u_int32_t format) 908{ 909 struct sb_chinfo *ch = data; 910 ess_format(ch, format); 911 return 0; 912} 913 914static int 915esschan_setspeed(void *data, u_int32_t speed) 916{ 917 struct sb_chinfo *ch = data; 918 return ess_speed(ch, speed); 919} 920 921static int 922esschan_setblocksize(void *data, u_int32_t blocksize) 923{ 924 return blocksize; 925} 926 927static int 928esschan_trigger(void *data, int go) 929{ 930 struct sb_chinfo *ch = data; 931 switch (go) { 932 case PCMTRIG_START: 933 if (!ch->ess_dma_started) 934 buf_isadma(ch->buffer, go); 935 ch->ess_dma_started = 1; 936 ess_start(ch); 937 break; 938 case PCMTRIG_STOP: 939 if (ch->buffer->dl >= 0) { 940 buf_isadma(ch->buffer, go); 941 ch->ess_dma_started = 0; 942 ess_stop(ch); 943 } 944 break; 945 case PCMTRIG_ABORT: 946 default: 947 ch->ess_dma_started = 0; 948 ess_abort(ch); 949 buf_isadma(ch->buffer, go); 950 break; 951 } 952 return 0; 953} 954 955static int 956esschan_getptr(void *data) 957{ 958 struct sb_chinfo *ch = data; 959 return buf_isadmaptr(ch->buffer); 960} 961 962static pcmchan_caps * 963esschan_getcaps(void *data) 964{ 965 struct sb_chinfo *ch = data; 966 return (ch->dir == PCMDIR_PLAY)? &ess_playcaps : &ess_reccaps; 967} 968 969/************************************************************/ 970 971static int 972sbmix_init(snd_mixer *m) 973{ 974 struct sb_info *sb = mix_getdevinfo(m); 975 976 switch (sb->bd_flags & BD_F_MIX_MASK) { 977 case BD_F_MIX_CT1345: /* SB 3.0 has 1345 mixer */ 978 mix_setdevs(m, SBPRO_MIXER_DEVICES); 979 mix_setrecdevs(m, SBPRO_RECORDING_DEVICES); 980 sb_setmixer(sb, 0, 1); /* reset mixer */ 981 sb_setmixer(sb, MIC_VOL, 0x6); /* mic volume max */ 982 sb_setmixer(sb, RECORD_SRC, 0x0); /* mic source */ 983 sb_setmixer(sb, FM_VOL, 0x0); /* no midi */ 984 break; 985 986 case BD_F_MIX_CT1745: /* SB16 mixer ... */ 987 mix_setdevs(m, SB16_MIXER_DEVICES); 988 mix_setrecdevs(m, SB16_RECORDING_DEVICES); 989 sb_setmixer(sb, 0x3c, 0x1f); /* make all output active */ 990 sb_setmixer(sb, 0x3d, 0); /* make all inputs-l off */ 991 sb_setmixer(sb, 0x3e, 0); /* make all inputs-r off */ 992 } 993 return 0; 994} 995 996static int 997sbmix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right) 998{ 999 struct sb_info *sb = mix_getdevinfo(m); 1000 int regoffs; 1001 u_char val; 1002 mixer_tab *iomap; 1003 1004 switch (sb->bd_flags & BD_F_MIX_MASK) { 1005 case BD_F_MIX_CT1345: 1006 if (sb->bd_flags & BD_F_ESS) 1007 iomap = &ess_mix; 1008 else 1009 iomap = &sbpro_mix; 1010 break; 1011 1012 case BD_F_MIX_CT1745: 1013 iomap = &sb16_mix; 1014 break; 1015 1016 default: 1017 return -1; 1018 } 1019 1020 /* Change left channel */ 1021 regoffs = (*iomap)[dev][LEFT_CHN].regno; 1022 if (regoffs != 0) { 1023 val = sb_getmixer(sb, regoffs); 1024 change_bits(iomap, &val, dev, LEFT_CHN, left); 1025 sb_setmixer(sb, regoffs, val); 1026 } 1027 1028 /* Change right channel */ 1029 regoffs = (*iomap)[dev][RIGHT_CHN].regno; 1030 if (regoffs != 0) { 1031 val = sb_getmixer(sb, regoffs); /* Read the new one */ 1032 change_bits(iomap, &val, dev, RIGHT_CHN, right); 1033 sb_setmixer(sb, regoffs, val); 1034 } else 1035 right = left; 1036 1037 return left | (right << 8); 1038} 1039 1040static int 1041sbmix_setrecsrc(snd_mixer *m, u_int32_t src) 1042{ 1043 struct sb_info *sb = mix_getdevinfo(m); 1044 u_char recdev; 1045 1046 switch (sb->bd_flags & BD_F_MIX_MASK) { 1047 case BD_F_MIX_CT1345: 1048 if (src == SOUND_MASK_LINE) recdev = 0x06; 1049 else if (src == SOUND_MASK_CD) recdev = 0x02; 1050 else { /* default: mic */ 1051 src = SOUND_MASK_MIC; 1052 recdev = 0; 1053 } 1054 sb_setmixer(sb, RECORD_SRC, recdev | 1055 (sb_getmixer(sb, RECORD_SRC) & ~0x07)); 1056 break; 1057 1058 case BD_F_MIX_CT1745: /* sb16 */ 1059 recdev = 0; 1060 if (src & SOUND_MASK_MIC) recdev |= 0x01; /* mono mic */ 1061 if (src & SOUND_MASK_CD) recdev |= 0x06; /* l+r cd */ 1062 if (src & SOUND_MASK_LINE) recdev |= 0x18; /* l+r line */ 1063 if (src & SOUND_MASK_SYNTH) recdev |= 0x60; /* l+r midi */ 1064 sb_setmixer(sb, SB16_IMASK_L, recdev); 1065 sb_setmixer(sb, SB16_IMASK_R, recdev); 1066 /* 1067 * since the same volume controls apply to the input and 1068 * output sections, the best approach to have a consistent 1069 * behaviour among cards would be to disable the output path 1070 * on devices which are used to record. 1071 * However, since users like to have feedback, we only disable 1072 * the mic -- permanently. 1073 */ 1074 sb_setmixer(sb, SB16_OMASK, 0x1f & ~1); 1075 break; 1076 } 1077 return src; 1078} 1079 1080static int 1081sbsbc_probe(device_t dev) 1082{ 1083 char buf[64]; 1084 u_int32_t func, ver, r, f; 1085 1086 /* The parent device has already been probed. */ 1087 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func); 1088 if (func != SCF_PCM) 1089 return (ENXIO); 1090 1091 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver); 1092 f = (ver & 0xffff0000) >> 16; 1093 ver &= 0x0000ffff; 1094 snprintf(buf, sizeof buf, "SB DSP %d.%02d%s%s", ver >> 8, ver & 0xff, 1095 (f & BD_F_ESS)? " (ESS mode)" : "", 1096 (f & BD_F_SB16X)? " (ViBRA16X)" : ""); 1097 device_set_desc_copy(dev, buf); 1098 1099 return 0; 1100} 1101 1102static int 1103sbsbc_attach(device_t dev) 1104{ 1105 struct sb_info *sb; 1106 u_int32_t ver; 1107 1108 sb = (struct sb_info *)malloc(sizeof *sb, M_DEVBUF, M_NOWAIT); 1109 if (!sb) return ENXIO; 1110 bzero(sb, sizeof *sb); 1111 1112 BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver); 1113 sb->bd_id = ver & 0x0000ffff; 1114 sb->bd_flags = (ver & 0xffff0000) >> 16; 1115 1116 return sb_doattach(dev, sb); 1117} 1118 1119static device_method_t sbsbc_methods[] = { 1120 /* Device interface */ 1121 DEVMETHOD(device_probe, sbsbc_probe), 1122 DEVMETHOD(device_attach, sbsbc_attach), 1123 1124 { 0, 0 } 1125}; 1126 1127static driver_t sbsbc_driver = { 1128 "pcm", 1129 sbsbc_methods, 1130 sizeof(snddev_info), 1131}; 1132 1133DRIVER_MODULE(sbsbc, sbc, sbsbc_driver, pcm_devclass, 0, 0); 1134 1135 1136 1137