fm801.c revision 126695
1/* 2 * Copyright (c) 2000 Dmitry Dicky diwil@dataart.com 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS `AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <dev/sound/pcm/sound.h> 28#include <dev/sound/pcm/ac97.h> 29#include <dev/pci/pcireg.h> 30#include <dev/pci/pcivar.h> 31 32SND_DECLARE_FILE("$FreeBSD: head/sys/dev/sound/pci/fm801.c 126695 2004-03-06 15:52:42Z matk $"); 33 34#define PCI_VENDOR_FORTEMEDIA 0x1319 35#define PCI_DEVICE_FORTEMEDIA1 0x08011319 36#define PCI_DEVICE_FORTEMEDIA2 0x08021319 /* ??? have no idea what's this... */ 37 38#define FM_PCM_VOLUME 0x00 39#define FM_FM_VOLUME 0x02 40#define FM_I2S_VOLUME 0x04 41#define FM_RECORD_SOURCE 0x06 42 43#define FM_PLAY_CTL 0x08 44#define FM_PLAY_RATE_MASK 0x0f00 45#define FM_PLAY_BUF1_LAST 0x0001 46#define FM_PLAY_BUF2_LAST 0x0002 47#define FM_PLAY_START 0x0020 48#define FM_PLAY_PAUSE 0x0040 49#define FM_PLAY_STOPNOW 0x0080 50#define FM_PLAY_16BIT 0x4000 51#define FM_PLAY_STEREO 0x8000 52 53#define FM_PLAY_DMALEN 0x0a 54#define FM_PLAY_DMABUF1 0x0c 55#define FM_PLAY_DMABUF2 0x10 56 57 58#define FM_REC_CTL 0x14 59#define FM_REC_RATE_MASK 0x0f00 60#define FM_REC_BUF1_LAST 0x0001 61#define FM_REC_BUF2_LAST 0x0002 62#define FM_REC_START 0x0020 63#define FM_REC_PAUSE 0x0040 64#define FM_REC_STOPNOW 0x0080 65#define FM_REC_16BIT 0x4000 66#define FM_REC_STEREO 0x8000 67 68 69#define FM_REC_DMALEN 0x16 70#define FM_REC_DMABUF1 0x18 71#define FM_REC_DMABUF2 0x1c 72 73#define FM_CODEC_CTL 0x22 74#define FM_VOLUME 0x26 75#define FM_VOLUME_MUTE 0x8000 76 77#define FM_CODEC_CMD 0x2a 78#define FM_CODEC_CMD_READ 0x0080 79#define FM_CODEC_CMD_VALID 0x0100 80#define FM_CODEC_CMD_BUSY 0x0200 81 82#define FM_CODEC_DATA 0x2c 83 84#define FM_IO_CTL 0x52 85#define FM_CARD_CTL 0x54 86 87#define FM_INTMASK 0x56 88#define FM_INTMASK_PLAY 0x0001 89#define FM_INTMASK_REC 0x0002 90#define FM_INTMASK_VOL 0x0040 91#define FM_INTMASK_MPU 0x0080 92 93#define FM_INTSTATUS 0x5a 94#define FM_INTSTATUS_PLAY 0x0100 95#define FM_INTSTATUS_REC 0x0200 96#define FM_INTSTATUS_VOL 0x4000 97#define FM_INTSTATUS_MPU 0x8000 98 99#define FM801_DEFAULT_BUFSZ 4096 /* Other values do not work!!! */ 100 101/* debug purposes */ 102#define DPRINT if(0) printf 103 104/* 105static int fm801ch_setup(struct pcm_channel *c); 106*/ 107 108static u_int32_t fmts[] = { 109 AFMT_U8, 110 AFMT_STEREO | AFMT_U8, 111 AFMT_S16_LE, 112 AFMT_STEREO | AFMT_S16_LE, 113 0 114}; 115 116static struct pcmchan_caps fm801ch_caps = { 117 4000, 48000, 118 fmts, 0 119}; 120 121struct fm801_info; 122 123struct fm801_chinfo { 124 struct fm801_info *parent; 125 struct pcm_channel *channel; 126 struct snd_dbuf *buffer; 127 u_int32_t spd, dir, fmt; /* speed, direction, format */ 128 u_int32_t shift; 129}; 130 131struct fm801_info { 132 int type; 133 bus_space_tag_t st; 134 bus_space_handle_t sh; 135 bus_dma_tag_t parent_dmat; 136 137 device_t dev; 138 int num; 139 u_int32_t unit; 140 141 struct resource *reg, *irq; 142 int regtype, regid, irqid; 143 void *ih; 144 145 u_int32_t play_flip, 146 play_nextblk, 147 play_start, 148 play_blksize, 149 play_fmt, 150 play_shift, 151 play_size; 152 153 u_int32_t rec_flip, 154 rec_nextblk, 155 rec_start, 156 rec_blksize, 157 rec_fmt, 158 rec_shift, 159 rec_size; 160 161 unsigned int bufsz; 162 163 struct fm801_chinfo pch, rch; 164 165 device_t radio; 166}; 167 168/* Bus Read / Write routines */ 169static u_int32_t 170fm801_rd(struct fm801_info *fm801, int regno, int size) 171{ 172 switch(size) { 173 case 1: 174 return (bus_space_read_1(fm801->st, fm801->sh, regno)); 175 case 2: 176 return (bus_space_read_2(fm801->st, fm801->sh, regno)); 177 case 4: 178 return (bus_space_read_4(fm801->st, fm801->sh, regno)); 179 default: 180 return 0xffffffff; 181 } 182} 183 184static void 185fm801_wr(struct fm801_info *fm801, int regno, u_int32_t data, int size) 186{ 187 188 switch(size) { 189 case 1: 190 bus_space_write_1(fm801->st, fm801->sh, regno, data); 191 break; 192 case 2: 193 bus_space_write_2(fm801->st, fm801->sh, regno, data); 194 break; 195 case 4: 196 bus_space_write_4(fm801->st, fm801->sh, regno, data); 197 break; 198 } 199} 200 201/* -------------------------------------------------------------------- */ 202/* 203 * ac97 codec routines 204 */ 205#define TIMO 50 206static int 207fm801_rdcd(kobj_t obj, void *devinfo, int regno) 208{ 209 struct fm801_info *fm801 = (struct fm801_info *)devinfo; 210 int i; 211 212 for (i = 0; i < TIMO && fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_BUSY; i++) { 213 DELAY(10000); 214 DPRINT("fm801 rdcd: 1 - DELAY\n"); 215 } 216 if (i >= TIMO) { 217 printf("fm801 rdcd: codec busy\n"); 218 return 0; 219 } 220 221 fm801_wr(fm801,FM_CODEC_CMD, regno|FM_CODEC_CMD_READ,2); 222 223 for (i = 0; i < TIMO && !(fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_VALID); i++) 224 { 225 DELAY(10000); 226 DPRINT("fm801 rdcd: 2 - DELAY\n"); 227 } 228 if (i >= TIMO) { 229 printf("fm801 rdcd: write codec invalid\n"); 230 return 0; 231 } 232 233 return fm801_rd(fm801,FM_CODEC_DATA,2); 234} 235 236static int 237fm801_wrcd(kobj_t obj, void *devinfo, int regno, u_int32_t data) 238{ 239 struct fm801_info *fm801 = (struct fm801_info *)devinfo; 240 int i; 241 242 DPRINT("fm801_wrcd reg 0x%x val 0x%x\n",regno, data); 243/* 244 if(regno == AC97_REG_RECSEL) return; 245*/ 246 /* Poll until codec is ready */ 247 for (i = 0; i < TIMO && fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_BUSY; i++) { 248 DELAY(10000); 249 DPRINT("fm801 rdcd: 1 - DELAY\n"); 250 } 251 if (i >= TIMO) { 252 printf("fm801 wrcd: read codec busy\n"); 253 return -1; 254 } 255 256 fm801_wr(fm801,FM_CODEC_DATA,data, 2); 257 fm801_wr(fm801,FM_CODEC_CMD, regno,2); 258 259 /* wait until codec is ready */ 260 for (i = 0; i < TIMO && fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_BUSY; i++) { 261 DELAY(10000); 262 DPRINT("fm801 wrcd: 2 - DELAY\n"); 263 } 264 if (i >= TIMO) { 265 printf("fm801 wrcd: read codec busy\n"); 266 return -1; 267 } 268 DPRINT("fm801 wrcd release reg 0x%x val 0x%x\n",regno, data); 269 return 0; 270} 271 272static kobj_method_t fm801_ac97_methods[] = { 273 KOBJMETHOD(ac97_read, fm801_rdcd), 274 KOBJMETHOD(ac97_write, fm801_wrcd), 275 { 0, 0 } 276}; 277AC97_DECLARE(fm801_ac97); 278 279/* -------------------------------------------------------------------- */ 280 281/* 282 * The interrupt handler 283 */ 284static void 285fm801_intr(void *p) 286{ 287 struct fm801_info *fm801 = (struct fm801_info *)p; 288 u_int32_t intsrc = fm801_rd(fm801, FM_INTSTATUS, 2); 289 290 DPRINT("\nfm801_intr intsrc 0x%x ", intsrc); 291 292 if(intsrc & FM_INTSTATUS_PLAY) { 293 fm801->play_flip++; 294 if(fm801->play_flip & 1) { 295 fm801_wr(fm801, FM_PLAY_DMABUF1, fm801->play_start,4); 296 } else 297 fm801_wr(fm801, FM_PLAY_DMABUF2, fm801->play_nextblk,4); 298 chn_intr(fm801->pch.channel); 299 } 300 301 if(intsrc & FM_INTSTATUS_REC) { 302 fm801->rec_flip++; 303 if(fm801->rec_flip & 1) { 304 fm801_wr(fm801, FM_REC_DMABUF1, fm801->rec_start,4); 305 } else 306 fm801_wr(fm801, FM_REC_DMABUF2, fm801->rec_nextblk,4); 307 chn_intr(fm801->rch.channel); 308 } 309 310 if ( intsrc & FM_INTSTATUS_MPU ) { 311 /* This is a TODOish thing... */ 312 fm801_wr(fm801, FM_INTSTATUS, intsrc & FM_INTSTATUS_MPU,2); 313 } 314 315 if ( intsrc & FM_INTSTATUS_VOL ) { 316 /* This is a TODOish thing... */ 317 fm801_wr(fm801, FM_INTSTATUS, intsrc & FM_INTSTATUS_VOL,2); 318 } 319 320 DPRINT("fm801_intr clear\n\n"); 321 fm801_wr(fm801, FM_INTSTATUS, intsrc & (FM_INTSTATUS_PLAY | FM_INTSTATUS_REC), 2); 322} 323 324/* -------------------------------------------------------------------- */ 325/* channel interface */ 326static void * 327fm801ch_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir) 328{ 329 struct fm801_info *fm801 = (struct fm801_info *)devinfo; 330 struct fm801_chinfo *ch = (dir == PCMDIR_PLAY)? &fm801->pch : &fm801->rch; 331 332 DPRINT("fm801ch_init, direction = %d\n", dir); 333 ch->parent = fm801; 334 ch->channel = c; 335 ch->buffer = b; 336 ch->dir = dir; 337 if (sndbuf_alloc(ch->buffer, fm801->parent_dmat, fm801->bufsz) == -1) return NULL; 338 return (void *)ch; 339} 340 341static int 342fm801ch_setformat(kobj_t obj, void *data, u_int32_t format) 343{ 344 struct fm801_chinfo *ch = data; 345 struct fm801_info *fm801 = ch->parent; 346 347 DPRINT("fm801ch_setformat 0x%x : %s, %s, %s, %s\n", format, 348 (format & AFMT_STEREO)?"stereo":"mono", 349 (format & (AFMT_S16_LE | AFMT_S16_BE | AFMT_U16_LE | AFMT_U16_BE)) ? "16bit":"8bit", 350 (format & AFMT_SIGNED)? "signed":"unsigned", 351 (format & AFMT_BIGENDIAN)?"bigendiah":"littleendian" ); 352 353 if(ch->dir == PCMDIR_PLAY) { 354 fm801->play_fmt = (format & AFMT_STEREO)? FM_PLAY_STEREO : 0; 355 fm801->play_fmt |= (format & AFMT_16BIT) ? FM_PLAY_16BIT : 0; 356 return 0; 357 } 358 359 if(ch->dir == PCMDIR_REC ) { 360 fm801->rec_fmt = (format & AFMT_STEREO)? FM_REC_STEREO:0; 361 fm801->rec_fmt |= (format & AFMT_16BIT) ? FM_PLAY_16BIT : 0; 362 return 0; 363 } 364 365 return 0; 366} 367 368struct { 369 int limit; 370 int rate; 371} fm801_rates[11] = { 372 { 6600, 5500 }, 373 { 8750, 8000 }, 374 { 10250, 9600 }, 375 { 13200, 11025 }, 376 { 17500, 16000 }, 377 { 20500, 19200 }, 378 { 26500, 22050 }, 379 { 35000, 32000 }, 380 { 41000, 38400 }, 381 { 46000, 44100 }, 382 { 48000, 48000 }, 383/* anything above -> 48000 */ 384}; 385 386static int 387fm801ch_setspeed(kobj_t obj, void *data, u_int32_t speed) 388{ 389 struct fm801_chinfo *ch = data; 390 struct fm801_info *fm801 = ch->parent; 391 register int i; 392 393 394 for (i = 0; i < 10 && fm801_rates[i].limit <= speed; i++) ; 395 396 if(ch->dir == PCMDIR_PLAY) { 397 fm801->pch.spd = fm801_rates[i].rate; 398 fm801->play_shift = (i<<8); 399 fm801->play_shift &= FM_PLAY_RATE_MASK; 400 } 401 402 if(ch->dir == PCMDIR_REC ) { 403 fm801->rch.spd = fm801_rates[i].rate; 404 fm801->rec_shift = (i<<8); 405 fm801->rec_shift &= FM_REC_RATE_MASK; 406 } 407 408 ch->spd = fm801_rates[i].rate; 409 410 return fm801_rates[i].rate; 411} 412 413static int 414fm801ch_setblocksize(kobj_t obj, void *data, u_int32_t blocksize) 415{ 416 struct fm801_chinfo *ch = data; 417 struct fm801_info *fm801 = ch->parent; 418 419 if(ch->dir == PCMDIR_PLAY) { 420 if(fm801->play_flip) return fm801->play_blksize; 421 fm801->play_blksize = blocksize; 422 } 423 424 if(ch->dir == PCMDIR_REC) { 425 if(fm801->rec_flip) return fm801->rec_blksize; 426 fm801->rec_blksize = blocksize; 427 } 428 429 DPRINT("fm801ch_setblocksize %d (dir %d)\n",blocksize, ch->dir); 430 431 return blocksize; 432} 433 434static int 435fm801ch_trigger(kobj_t obj, void *data, int go) 436{ 437 struct fm801_chinfo *ch = data; 438 struct fm801_info *fm801 = ch->parent; 439 u_int32_t baseaddr = sndbuf_getbufaddr(ch->buffer); 440 u_int32_t k1; 441 442 DPRINT("fm801ch_trigger go %d , ", go); 443 444 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) { 445 return 0; 446 } 447 448 if (ch->dir == PCMDIR_PLAY) { 449 if (go == PCMTRIG_START) { 450 451 fm801->play_start = baseaddr; 452 fm801->play_nextblk = fm801->play_start + fm801->play_blksize; 453 fm801->play_flip = 0; 454 fm801_wr(fm801, FM_PLAY_DMALEN, fm801->play_blksize - 1, 2); 455 fm801_wr(fm801, FM_PLAY_DMABUF1,fm801->play_start,4); 456 fm801_wr(fm801, FM_PLAY_DMABUF2,fm801->play_nextblk,4); 457 fm801_wr(fm801, FM_PLAY_CTL, 458 FM_PLAY_START | FM_PLAY_STOPNOW | fm801->play_fmt | fm801->play_shift, 459 2 ); 460 } else { 461 fm801->play_flip = 0; 462 k1 = fm801_rd(fm801, FM_PLAY_CTL,2); 463 fm801_wr(fm801, FM_PLAY_CTL, 464 (k1 & ~(FM_PLAY_STOPNOW | FM_PLAY_START)) | 465 FM_PLAY_BUF1_LAST | FM_PLAY_BUF2_LAST, 2 ); 466 } 467 } else if(ch->dir == PCMDIR_REC) { 468 if (go == PCMTRIG_START) { 469 fm801->rec_start = baseaddr; 470 fm801->rec_nextblk = fm801->rec_start + fm801->rec_blksize; 471 fm801->rec_flip = 0; 472 fm801_wr(fm801, FM_REC_DMALEN, fm801->rec_blksize - 1, 2); 473 fm801_wr(fm801, FM_REC_DMABUF1,fm801->rec_start,4); 474 fm801_wr(fm801, FM_REC_DMABUF2,fm801->rec_nextblk,4); 475 fm801_wr(fm801, FM_REC_CTL, 476 FM_REC_START | FM_REC_STOPNOW | fm801->rec_fmt | fm801->rec_shift, 477 2 ); 478 } else { 479 fm801->rec_flip = 0; 480 k1 = fm801_rd(fm801, FM_REC_CTL,2); 481 fm801_wr(fm801, FM_REC_CTL, 482 (k1 & ~(FM_REC_STOPNOW | FM_REC_START)) | 483 FM_REC_BUF1_LAST | FM_REC_BUF2_LAST, 2); 484 } 485 } 486 487 return 0; 488} 489 490/* Almost ALSA copy */ 491static int 492fm801ch_getptr(kobj_t obj, void *data) 493{ 494 struct fm801_chinfo *ch = data; 495 struct fm801_info *fm801 = ch->parent; 496 int result = 0; 497 498 if (ch->dir == PCMDIR_PLAY) { 499 result = fm801_rd(fm801, 500 (fm801->play_flip&1) ? 501 FM_PLAY_DMABUF2:FM_PLAY_DMABUF1, 4) - fm801->play_start; 502 } 503 504 if (ch->dir == PCMDIR_REC) { 505 result = fm801_rd(fm801, 506 (fm801->rec_flip&1) ? 507 FM_REC_DMABUF2:FM_REC_DMABUF1, 4) - fm801->rec_start; 508 } 509 510 return result; 511} 512 513static struct pcmchan_caps * 514fm801ch_getcaps(kobj_t obj, void *data) 515{ 516 return &fm801ch_caps; 517} 518 519static kobj_method_t fm801ch_methods[] = { 520 KOBJMETHOD(channel_init, fm801ch_init), 521 KOBJMETHOD(channel_setformat, fm801ch_setformat), 522 KOBJMETHOD(channel_setspeed, fm801ch_setspeed), 523 KOBJMETHOD(channel_setblocksize, fm801ch_setblocksize), 524 KOBJMETHOD(channel_trigger, fm801ch_trigger), 525 KOBJMETHOD(channel_getptr, fm801ch_getptr), 526 KOBJMETHOD(channel_getcaps, fm801ch_getcaps), 527 { 0, 0 } 528}; 529CHANNEL_DECLARE(fm801ch); 530 531/* -------------------------------------------------------------------- */ 532 533/* 534 * Init routine is taken from an original NetBSD driver 535 */ 536static int 537fm801_init(struct fm801_info *fm801) 538{ 539 u_int32_t k1; 540 541 /* reset codec */ 542 fm801_wr(fm801, FM_CODEC_CTL, 0x0020,2); 543 DELAY(100000); 544 fm801_wr(fm801, FM_CODEC_CTL, 0x0000,2); 545 DELAY(100000); 546 547 fm801_wr(fm801, FM_PCM_VOLUME, 0x0808,2); 548 fm801_wr(fm801, FM_FM_VOLUME, 0x0808,2); 549 fm801_wr(fm801, FM_I2S_VOLUME, 0x0808,2); 550 fm801_wr(fm801, 0x40,0x107f,2); /* enable legacy audio */ 551 552 fm801_wr((void *)fm801, FM_RECORD_SOURCE, 0x0000,2); 553 554 /* Unmask playback, record and mpu interrupts, mask the rest */ 555 k1 = fm801_rd((void *)fm801, FM_INTMASK,2); 556 fm801_wr(fm801, FM_INTMASK, 557 (k1 & ~(FM_INTMASK_PLAY | FM_INTMASK_REC | FM_INTMASK_MPU)) | 558 FM_INTMASK_VOL,2); 559 fm801_wr(fm801, FM_INTSTATUS, 560 FM_INTSTATUS_PLAY | FM_INTSTATUS_REC | FM_INTSTATUS_MPU | 561 FM_INTSTATUS_VOL,2); 562 563 DPRINT("FM801 init Ok\n"); 564 return 0; 565} 566 567static int 568fm801_pci_attach(device_t dev) 569{ 570 u_int32_t data; 571 struct ac97_info *codec = 0; 572 struct fm801_info *fm801; 573 int i; 574 int mapped = 0; 575 char status[SND_STATUSLEN]; 576 577 if ((fm801 = (struct fm801_info *)malloc(sizeof(*fm801), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) { 578 device_printf(dev, "cannot allocate softc\n"); 579 return ENXIO; 580 } 581 582 fm801->type = pci_get_devid(dev); 583 584 data = pci_read_config(dev, PCIR_COMMAND, 2); 585 data |= (PCIM_CMD_PORTEN|PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN); 586 pci_write_config(dev, PCIR_COMMAND, data, 2); 587 data = pci_read_config(dev, PCIR_COMMAND, 2); 588 589 for (i = 0; (mapped == 0) && (i < PCI_MAXMAPS_0); i++) { 590 fm801->regid = PCIR_BAR(i); 591 fm801->regtype = SYS_RES_MEMORY; 592 fm801->reg = bus_alloc_resource(dev, fm801->regtype, &fm801->regid, 593 0, ~0, 1, RF_ACTIVE); 594 if(!fm801->reg) 595 { 596 fm801->regtype = SYS_RES_IOPORT; 597 fm801->reg = bus_alloc_resource(dev, fm801->regtype, &fm801->regid, 598 0, ~0, 1, RF_ACTIVE); 599 } 600 601 if(fm801->reg) { 602 fm801->st = rman_get_bustag(fm801->reg); 603 fm801->sh = rman_get_bushandle(fm801->reg); 604 mapped++; 605 } 606 } 607 608 if (mapped == 0) { 609 device_printf(dev, "unable to map register space\n"); 610 goto oops; 611 } 612 613 fm801->bufsz = pcm_getbuffersize(dev, 4096, FM801_DEFAULT_BUFSZ, 65536); 614 615 fm801_init(fm801); 616 617 codec = AC97_CREATE(dev, fm801, fm801_ac97); 618 if (codec == NULL) goto oops; 619 620 if (mixer_init(dev, ac97_getmixerclass(), codec) == -1) goto oops; 621 622 fm801->irqid = 0; 623 fm801->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &fm801->irqid, 624 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE); 625 if (!fm801->irq || snd_setup_intr(dev, fm801->irq, 0, fm801_intr, fm801, &fm801->ih)) { 626 device_printf(dev, "unable to map interrupt\n"); 627 goto oops; 628 } 629 630 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0, 631 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 632 /*highaddr*/BUS_SPACE_MAXADDR, 633 /*filter*/NULL, /*filterarg*/NULL, 634 /*maxsize*/fm801->bufsz, /*nsegments*/1, /*maxsegz*/0x3ffff, 635 /*flags*/0, /*lockfunc*/busdma_lock_mutex, 636 /*lockarg*/&Giant, &fm801->parent_dmat) != 0) { 637 device_printf(dev, "unable to create dma tag\n"); 638 goto oops; 639 } 640 641 snprintf(status, 64, "at %s 0x%lx irq %ld %s", 642 (fm801->regtype == SYS_RES_IOPORT)? "io" : "memory", 643 rman_get_start(fm801->reg), rman_get_start(fm801->irq),PCM_KLDSTRING(snd_fm801)); 644 645#define FM801_MAXPLAYCH 1 646 if (pcm_register(dev, fm801, FM801_MAXPLAYCH, 1)) goto oops; 647 pcm_addchan(dev, PCMDIR_PLAY, &fm801ch_class, fm801); 648 pcm_addchan(dev, PCMDIR_REC, &fm801ch_class, fm801); 649 pcm_setstatus(dev, status); 650 651 fm801->radio = device_add_child(dev, "radio", -1); 652 bus_generic_attach(dev); 653 654 return 0; 655 656oops: 657 if (codec) ac97_destroy(codec); 658 if (fm801->reg) bus_release_resource(dev, fm801->regtype, fm801->regid, fm801->reg); 659 if (fm801->ih) bus_teardown_intr(dev, fm801->irq, fm801->ih); 660 if (fm801->irq) bus_release_resource(dev, SYS_RES_IRQ, fm801->irqid, fm801->irq); 661 if (fm801->parent_dmat) bus_dma_tag_destroy(fm801->parent_dmat); 662 free(fm801, M_DEVBUF); 663 return ENXIO; 664} 665 666static int 667fm801_pci_detach(device_t dev) 668{ 669 int r; 670 struct fm801_info *fm801; 671 672 DPRINT("Forte Media FM801 detach\n"); 673 674 fm801 = pcm_getdevinfo(dev); 675 676 r = bus_generic_detach(dev); 677 if (r) 678 return r; 679 if (fm801->radio != NULL) { 680 r = device_delete_child(dev, fm801->radio); 681 if (r) 682 return r; 683 fm801->radio = NULL; 684 } 685 686 r = pcm_unregister(dev); 687 if (r) 688 return r; 689 690 bus_release_resource(dev, fm801->regtype, fm801->regid, fm801->reg); 691 bus_teardown_intr(dev, fm801->irq, fm801->ih); 692 bus_release_resource(dev, SYS_RES_IRQ, fm801->irqid, fm801->irq); 693 bus_dma_tag_destroy(fm801->parent_dmat); 694 free(fm801, M_DEVBUF); 695 return 0; 696} 697 698static int 699fm801_pci_probe( device_t dev ) 700{ 701 u_int32_t data; 702 int id, regtype, regid, result; 703 struct resource *reg; 704 bus_space_tag_t st; 705 bus_space_handle_t sh; 706 707 result = ENXIO; 708 709 if ((id = pci_get_devid(dev)) == PCI_DEVICE_FORTEMEDIA1 ) { 710 data = pci_read_config(dev, PCIR_COMMAND, 2); 711 data |= (PCIM_CMD_PORTEN|PCIM_CMD_BUSMASTEREN); 712 pci_write_config(dev, PCIR_COMMAND, data, 2); 713 data = pci_read_config(dev, PCIR_COMMAND, 2); 714 715 regid = PCIR_BAR(0); 716 regtype = SYS_RES_IOPORT; 717 reg = bus_alloc_resource(dev, regtype, ®id, 0, ~0, 1, 718 RF_ACTIVE); 719 720 if (reg == NULL) 721 return ENXIO; 722 723 st = rman_get_bustag(reg); 724 sh = rman_get_bushandle(reg); 725 /* 726 * XXX: quick check that device actually has sound capabilities. 727 * The problem is that some cards built around FM801 chip only 728 * have radio tuner onboard, but no sound capabilities. There 729 * is no "official" way to quickly check this, because all 730 * IDs are exactly the same. The only difference is 0x28 731 * device control register, described in FM801 specification 732 * as "SRC/Mixer Test Control/DFC Status", but without 733 * any more detailed explanation. According to specs, and 734 * available sample cards (SF256-PCP-R and SF256-PCS-R) its 735 * power-on value should be `0', while on AC97-less tuner 736 * card (SF64-PCR) it was 0x80. 737 */ 738 if (bus_space_read_1(st, sh, 0x28) == 0) { 739 device_set_desc(dev, 740 "Forte Media FM801 Audio Controller"); 741 result = 0; 742 } 743 744 bus_release_resource(dev, regtype, regid, reg); 745 } 746/* 747 if ((id = pci_get_devid(dev)) == PCI_DEVICE_FORTEMEDIA2 ) { 748 device_set_desc(dev, "Forte Media FM801 Joystick (Not Supported)"); 749 return ENXIO; 750 } 751*/ 752 return (result); 753} 754 755static struct resource * 756fm801_alloc_resource(device_t bus, device_t child, int type, int *rid, 757 u_long start, u_long end, u_long count, u_int flags) 758{ 759 struct fm801_info *fm801; 760 761 fm801 = pcm_getdevinfo(bus); 762 763 if (type == SYS_RES_IOPORT && *rid == PCIR_BAR(0)) 764 return (fm801->reg); 765 766 return (NULL); 767} 768 769static int 770fm801_release_resource(device_t bus, device_t child, int type, int rid, 771 struct resource *r) 772{ 773 return (0); 774} 775 776static device_method_t fm801_methods[] = { 777 /* Device interface */ 778 DEVMETHOD(device_probe, fm801_pci_probe), 779 DEVMETHOD(device_attach, fm801_pci_attach), 780 DEVMETHOD(device_detach, fm801_pci_detach), 781 DEVMETHOD(device_shutdown, bus_generic_shutdown), 782 DEVMETHOD(device_suspend, bus_generic_suspend), 783 DEVMETHOD(device_resume, bus_generic_resume), 784 785 /* Bus interface */ 786 DEVMETHOD(bus_print_child, bus_generic_print_child), 787 DEVMETHOD(bus_alloc_resource, fm801_alloc_resource), 788 DEVMETHOD(bus_release_resource, fm801_release_resource), 789 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 790 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 791 { 0, 0} 792}; 793 794static driver_t fm801_driver = { 795 "pcm", 796 fm801_methods, 797 PCM_SOFTC_SIZE, 798}; 799 800DRIVER_MODULE(snd_fm801, pci, fm801_driver, pcm_devclass, 0, 0); 801MODULE_DEPEND(snd_fm801, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER); 802MODULE_VERSION(snd_fm801, 1); 803