1 /* $OpenBSD: esa.c,v 1.15 2008/05/29 02:10:01 jakemsr Exp $ */ 2 /* $NetBSD: esa.c,v 1.12 2002/03/24 14:17:35 jmcneill Exp $ */ 3 4 /* 5 * Copyright (c) 2001, 2002 Jared D. McNeill <jmcneill@invisible.ca> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 /* 30 * Shamelessly stolen from NetBSD who based it on FreeBSD's who in turn 31 * based it on Linux's driver. What a wonderful world. 32 * 33 * 34 * ESS Allegro-1 / Maestro3 Audio Driver 35 * 36 * Based on the FreeBSD maestro3 driver and the NetBSD eap driver. 37 * Original driver by Don Kim. 38 * 39 * The list management code could possibly be written better, but what 40 * we have right now does the job nicely. Thanks to Zach Brown <zab@zabbo.net> 41 * and Andrew MacDonald <amac@epsilon.yi.org> for helping me debug the 42 * problems with the original list management code present in the Linux 43 * driver. 44 */ 45 46 #include <sys/types.h> 47 #include <sys/errno.h> 48 #include <sys/param.h> 49 #include <sys/systm.h> 50 #include <sys/malloc.h> 51 #include <sys/device.h> 52 #include <sys/conf.h> 53 #include <sys/exec.h> 54 #include <sys/selinfo.h> 55 #include <sys/audioio.h> 56 57 #include <machine/bus.h> 58 #include <machine/intr.h> 59 60 #include <dev/pci/pcidevs.h> 61 #include <dev/pci/pcivar.h> 62 63 #include <dev/audio_if.h> 64 #include <dev/mulaw.h> 65 #include <dev/auconv.h> 66 #include <dev/ic/ac97.h> 67 68 #include <dev/pci/esareg.h> 69 #include <dev/pci/esavar.h> 70 #include <dev/microcode/esa/esadsp.h> 71 72 #define PCI_CBIO 0x10 73 74 #define ESA_DAC_DATA 0x1100 75 76 enum { 77 ESS_ALLEGRO1, 78 ESS_MAESTRO3 79 }; 80 81 static struct esa_card_type { 82 u_int16_t pci_vendor_id; 83 u_int16_t pci_product_id; 84 int type; 85 int delay1, delay2; 86 } esa_card_types[] = { 87 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_ES1989, 88 ESS_ALLEGRO1, 50, 800 }, 89 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3, 90 ESS_MAESTRO3, 20, 500 }, 91 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3_2, 92 ESS_MAESTRO3, 20, 500 }, 93 { 0, 0, 0, 0, 0 } 94 }; 95 96 struct audio_device esa_device = { 97 "ESS Allegro", 98 "", 99 "esa" 100 }; 101 102 int esa_match(struct device *, void *, void *); 103 void esa_attach(struct device *, struct device *, void *); 104 int esa_detach(struct device *, int); 105 106 /* audio(9) functions */ 107 int esa_open(void *, int); 108 void esa_close(void *); 109 int esa_query_encoding(void *, struct audio_encoding *); 110 int esa_set_params(void *, int, int, struct audio_params *, 111 struct audio_params *); 112 void esa_get_default_params(void *, int, struct audio_params *); 113 int esa_round_blocksize(void *, int); 114 int esa_commit_settings(void *); 115 int esa_halt_output(void *); 116 int esa_halt_input(void *); 117 int esa_set_port(void *, mixer_ctrl_t *); 118 int esa_get_port(void *, mixer_ctrl_t *); 119 int esa_query_devinfo(void *, mixer_devinfo_t *); 120 void * esa_malloc(void *, int, size_t, int, int); 121 void esa_free(void *, void *, int); 122 int esa_getdev(void *, struct audio_device *); 123 size_t esa_round_buffersize(void *, int, size_t); 124 int esa_get_props(void *); 125 int esa_trigger_output(void *, void *, void *, int, 126 void (*)(void *), void *, 127 struct audio_params *); 128 int esa_trigger_input(void *, void *, void *, int, 129 void (*)(void *), void *, 130 struct audio_params *); 131 132 int esa_intr(void *); 133 int esa_allocmem(struct esa_softc *, size_t, size_t, 134 struct esa_dma *); 135 int esa_freemem(struct esa_softc *, struct esa_dma *); 136 paddr_t esa_mappage(void *addr, void *mem, off_t off, int prot); 137 138 /* Supporting subroutines */ 139 u_int16_t esa_read_assp(struct esa_softc *, u_int16_t, u_int16_t); 140 void esa_write_assp(struct esa_softc *, u_int16_t, u_int16_t, 141 u_int16_t); 142 int esa_init_codec(struct esa_softc *); 143 int esa_attach_codec(void *, struct ac97_codec_if *); 144 int esa_read_codec(void *, u_int8_t, u_int16_t *); 145 int esa_write_codec(void *, u_int8_t, u_int16_t); 146 void esa_reset_codec(void *); 147 enum ac97_host_flags esa_flags_codec(void *); 148 int esa_wait(struct esa_softc *); 149 int esa_init(struct esa_softc *); 150 void esa_config(struct esa_softc *); 151 u_int8_t esa_assp_halt(struct esa_softc *); 152 void esa_codec_reset(struct esa_softc *); 153 int esa_amp_enable(struct esa_softc *); 154 void esa_enable_interrupts(struct esa_softc *); 155 u_int32_t esa_get_pointer(struct esa_softc *, struct esa_channel *); 156 157 /* list management */ 158 int esa_add_list(struct esa_voice *, struct esa_list *, u_int16_t, 159 int); 160 void esa_remove_list(struct esa_voice *, struct esa_list *, int); 161 162 /* power management */ 163 void esa_powerhook(int, void *); 164 int esa_suspend(struct esa_softc *); 165 int esa_resume(struct esa_softc *); 166 167 static audio_encoding_t esa_encoding[] = { 168 { 0, AudioEulinear, AUDIO_ENCODING_ULINEAR, 8, 0 }, 169 { 1, AudioEmulaw, AUDIO_ENCODING_ULAW, 8, 170 AUDIO_ENCODINGFLAG_EMULATED }, 171 { 2, AudioEalaw, AUDIO_ENCODING_ALAW, 8, AUDIO_ENCODINGFLAG_EMULATED }, 172 { 3, AudioEslinear, AUDIO_ENCODING_SLINEAR, 8, 173 AUDIO_ENCODINGFLAG_EMULATED }, /* XXX: Are you sure? */ 174 { 4, AudioEslinear_le, AUDIO_ENCODING_SLINEAR_LE, 16, 0 }, 175 { 5, AudioEulinear_le, AUDIO_ENCODING_ULINEAR_LE, 16, 176 AUDIO_ENCODINGFLAG_EMULATED }, 177 { 6, AudioEslinear_be, AUDIO_ENCODING_SLINEAR_BE, 16, 178 AUDIO_ENCODINGFLAG_EMULATED }, 179 { 7, AudioEulinear_be, AUDIO_ENCODING_ULINEAR_BE, 16, 180 AUDIO_ENCODINGFLAG_EMULATED } 181 }; 182 183 #define ESA_NENCODINGS 8 184 185 struct audio_hw_if esa_hw_if = { 186 esa_open, 187 esa_close, 188 NULL, /* drain */ 189 esa_query_encoding, 190 esa_set_params, 191 esa_round_blocksize, 192 esa_commit_settings, 193 NULL, /* init_output */ 194 NULL, /* init_input */ 195 NULL, /* start_output */ 196 NULL, /* start_input */ 197 esa_halt_output, 198 esa_halt_input, 199 NULL, /* speaker_ctl */ 200 esa_getdev, 201 NULL, /* getfd */ 202 esa_set_port, 203 esa_get_port, 204 esa_query_devinfo, 205 esa_malloc, 206 esa_free, 207 esa_round_buffersize, 208 esa_mappage, 209 esa_get_props, 210 esa_trigger_output, 211 esa_trigger_input, 212 esa_get_default_params 213 }; 214 215 struct cfdriver esa_cd = { 216 NULL, "esa", DV_DULL 217 }; 218 219 struct cfattach esa_ca = { 220 sizeof(struct esa_softc), esa_match, esa_attach, 221 esa_detach, /*esa_activate*/ NULL 222 }; 223 224 /* 225 * audio(9) functions 226 */ 227 228 int 229 esa_open(void *hdl, int flags) 230 { 231 232 return (0); 233 } 234 235 void 236 esa_close(void *hdl) 237 { 238 239 return; 240 } 241 242 int 243 esa_query_encoding(void *hdl, struct audio_encoding *ae) 244 { 245 246 if (ae->index < 0 || ae->index >= ESA_NENCODINGS) 247 return (EINVAL); 248 *ae = esa_encoding[ae->index]; 249 250 return (0); 251 } 252 253 void 254 esa_get_default_params(void *addr, int mode, struct audio_params *params) 255 { 256 ac97_get_default_params(params); 257 } 258 259 int 260 esa_set_params(void *hdl, int setmode, int usemode, struct audio_params *play, 261 struct audio_params *rec) 262 { 263 struct esa_voice *vc = hdl; 264 //struct esa_softc *sc = (struct esa_softc *)vc->parent; 265 struct esa_channel *ch; 266 struct audio_params *p; 267 int mode; 268 269 for (mode = AUMODE_RECORD; mode != -1; 270 mode = (mode == AUMODE_RECORD) ? AUMODE_PLAY : -1) { 271 if ((setmode & mode) == 0) 272 continue; 273 274 switch (mode) { 275 case AUMODE_PLAY: 276 p = play; 277 ch = &vc->play; 278 break; 279 case AUMODE_RECORD: 280 p = rec; 281 ch = &vc->rec; 282 break; 283 } 284 285 if (p->sample_rate < ESA_MINRATE || 286 p->sample_rate > ESA_MAXRATE || 287 (p->precision != 8 && p->precision != 16) || 288 (p->channels < 1 || p->channels > 2)) 289 return (EINVAL); 290 291 p->factor = 1; 292 p->sw_code = 0; 293 294 switch(p->encoding) { 295 case AUDIO_ENCODING_SLINEAR_BE: 296 if (p->precision == 16) 297 p->sw_code = swap_bytes; 298 else 299 p->sw_code = change_sign8; 300 break; 301 case AUDIO_ENCODING_SLINEAR_LE: 302 if (p->precision != 16) 303 p->sw_code = change_sign8; 304 break; 305 case AUDIO_ENCODING_ULINEAR_BE: 306 if (p->precision == 16) { 307 if (mode == AUMODE_PLAY) 308 p->sw_code = 309 swap_bytes_change_sign16_le; 310 else 311 p->sw_code = 312 change_sign16_swap_bytes_le; 313 } 314 break; 315 case AUDIO_ENCODING_ULINEAR_LE: 316 if (p->precision == 16) 317 p->sw_code = change_sign16_le; 318 break; 319 case AUDIO_ENCODING_ULAW: 320 if (mode == AUMODE_PLAY) { 321 p->factor = 2; 322 p->sw_code = mulaw_to_slinear16_le; 323 } else 324 p->sw_code = ulinear8_to_mulaw; 325 break; 326 case AUDIO_ENCODING_ALAW: 327 if (mode == AUMODE_PLAY) { 328 p->factor = 2; 329 p->sw_code = alaw_to_slinear16_le; 330 } else 331 p->sw_code = ulinear8_to_alaw; 332 break; 333 default: 334 return (EINVAL); 335 } 336 337 ch->mode = *p; 338 } 339 340 return (0); 341 } 342 343 int 344 esa_commit_settings(void *hdl) 345 { 346 struct esa_voice *vc = hdl; 347 struct esa_softc *sc = (struct esa_softc *)vc->parent; 348 struct audio_params *p = &vc->play.mode; 349 struct audio_params *r = &vc->rec.mode; 350 u_int32_t data; 351 u_int32_t freq; 352 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 353 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 354 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 355 &~ 255; 356 357 /* playback */ 358 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * vc->index); 359 if (p->channels == 1) 360 data = 1; 361 else 362 data = 0; 363 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 364 vc->play.data_offset + ESA_SRC3_MODE_OFFSET, 365 data); 366 if (p->precision * p->factor == 8) 367 data = 1; 368 else 369 data = 0; 370 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 371 vc->play.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET, 372 data); 373 if ((freq = ((p->sample_rate << 15) + 24000) / 48000) != 0) { 374 freq--; 375 } 376 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 377 vc->play.data_offset + ESA_CDATA_FREQUENCY, freq); 378 379 /* recording */ 380 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * vc->index) + 381 (data_bytes / 2); 382 if (r->channels == 1) 383 data = 1; 384 else 385 data = 0; 386 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 387 vc->rec.data_offset + ESA_SRC3_MODE_OFFSET, 388 data); 389 if (r->precision * r->factor == 8) 390 data = 1; 391 else 392 data = 0; 393 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 394 vc->rec.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET, 395 data); 396 if ((freq = ((r->sample_rate << 15) + 24000) / 48000) != 0) { 397 freq--; 398 } 399 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 400 vc->rec.data_offset + ESA_CDATA_FREQUENCY, freq); 401 402 return (0); 403 }; 404 405 int 406 esa_round_blocksize(void *hdl, int bs) 407 { 408 struct esa_voice *vc = hdl; 409 410 /* 411 * Surely there has to be a better solution... 412 */ 413 vc->play.blksize = vc->rec.blksize = 4096; 414 415 return (vc->play.blksize); 416 } 417 418 int 419 esa_halt_output(void *hdl) 420 { 421 struct esa_voice *vc = hdl; 422 struct esa_softc *sc = (struct esa_softc *)vc->parent; 423 bus_space_tag_t iot = sc->sc_iot; 424 bus_space_handle_t ioh = sc->sc_ioh; 425 u_int16_t data; 426 427 if (vc->play.active == 0) 428 return (0); 429 430 vc->play.active = 0; 431 432 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 433 ESA_CDATA_INSTANCE_READY + vc->play.data_offset, 0); 434 435 sc->sc_ntimers--; 436 if (sc->sc_ntimers == 0) { 437 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 438 ESA_KDATA_TIMER_COUNT_RELOAD, 0); 439 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 440 ESA_KDATA_TIMER_COUNT_CURRENT, 0); 441 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 442 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 443 data & ~ESA_CLKRUN_GEN_ENABLE); 444 } 445 446 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 447 ESA_KDATA_MIXER_TASK_NUMBER, 448 sc->mixer_list.indexmap[vc->index]); 449 /* remove ourselves from the packed lists */ 450 esa_remove_list(vc, &sc->mixer_list, vc->index); 451 esa_remove_list(vc, &sc->dma_list, vc->index); 452 esa_remove_list(vc, &sc->msrc_list, vc->index); 453 454 return (0); 455 } 456 457 int 458 esa_halt_input(void *hdl) 459 { 460 struct esa_voice *vc = hdl; 461 struct esa_softc *sc = (struct esa_softc *)vc->parent; 462 bus_space_tag_t iot = sc->sc_iot; 463 bus_space_handle_t ioh = sc->sc_ioh; 464 u_int32_t data; 465 466 if (vc->rec.active == 0) 467 return (0); 468 469 vc->rec.active = 0; 470 471 sc->sc_ntimers--; 472 if (sc->sc_ntimers == 0) { 473 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 474 ESA_KDATA_TIMER_COUNT_RELOAD, 0); 475 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 476 ESA_KDATA_TIMER_COUNT_CURRENT, 0); 477 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 478 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 479 data & ~ESA_CLKRUN_GEN_ENABLE); 480 } 481 482 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, vc->rec.data_offset + 483 ESA_CDATA_INSTANCE_READY, 0); 484 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 485 0); 486 487 /* remove ourselves from the packed lists */ 488 esa_remove_list(vc, &sc->adc1_list, vc->index + ESA_NUM_VOICES); 489 esa_remove_list(vc, &sc->dma_list, vc->index + ESA_NUM_VOICES); 490 esa_remove_list(vc, &sc->msrc_list, vc->index + ESA_NUM_VOICES); 491 492 return (0); 493 } 494 495 void * 496 esa_malloc(void *hdl, int direction, size_t size, int type, int flags) 497 { 498 struct esa_voice *vc = hdl; 499 struct esa_softc *sc = (struct esa_softc *)vc->parent; 500 struct esa_dma *p; 501 int error; 502 503 p = malloc(sizeof(*p), type, flags); 504 if (!p) 505 return (0); 506 error = esa_allocmem(sc, size, 16, p); 507 if (error) { 508 free(p, type); 509 printf("%s: esa_malloc: not enough memory\n", 510 sc->sc_dev.dv_xname); 511 return (0); 512 } 513 p->next = vc->dma; 514 vc->dma = p; 515 516 return (KERNADDR(p)); 517 } 518 519 void 520 esa_free(void *hdl, void *addr, int type) 521 { 522 struct esa_voice *vc = hdl; 523 struct esa_softc *sc = (struct esa_softc *)vc->parent; 524 struct esa_dma *p; 525 struct esa_dma **pp; 526 527 for (pp = &vc->dma; (p = *pp) != NULL; pp = &p->next) 528 if (KERNADDR(p) == addr) { 529 esa_freemem(sc, p); 530 *pp = p->next; 531 free(p, type); 532 return; 533 } 534 } 535 536 int 537 esa_getdev(void *hdl, struct audio_device *ret) 538 { 539 540 *ret = esa_device; 541 542 return (0); 543 } 544 545 int 546 esa_set_port(void *hdl, mixer_ctrl_t *mc) 547 { 548 struct esa_voice *vc = hdl; 549 struct esa_softc *sc = (struct esa_softc *)vc->parent; 550 551 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, mc)); 552 } 553 554 int 555 esa_get_port(void *hdl, mixer_ctrl_t *mc) 556 { 557 struct esa_voice *vc = hdl; 558 struct esa_softc *sc = (struct esa_softc *)vc->parent; 559 560 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, mc)); 561 } 562 563 int 564 esa_query_devinfo(void *hdl, mixer_devinfo_t *di) 565 { 566 struct esa_voice *vc = hdl; 567 struct esa_softc *sc = (struct esa_softc *)vc->parent; 568 569 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, di)); 570 } 571 572 size_t 573 esa_round_buffersize(void *hdl, int direction, size_t bufsize) 574 { 575 struct esa_voice *vc = hdl; 576 577 /* 578 * We must be able to do better than this... 579 */ 580 vc->play.bufsize = vc->rec.bufsize = 65536; 581 582 return (vc->play.bufsize); 583 } 584 585 int 586 esa_get_props(void *hdl) 587 { 588 589 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX); 590 } 591 592 int 593 esa_trigger_output(void *hdl, void *start, void *end, int blksize, 594 void (*intr)(void *), void *intrarg, 595 struct audio_params *param) 596 { 597 struct esa_voice *vc = hdl; 598 struct esa_softc *sc = (struct esa_softc *)vc->parent; 599 struct esa_dma *p; 600 bus_space_tag_t iot = sc->sc_iot; 601 bus_space_handle_t ioh = sc->sc_ioh; 602 u_int32_t data; 603 u_int32_t bufaddr; 604 u_int32_t i; 605 size_t size; 606 607 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 608 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 609 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 610 &~ 255; 611 int dac_data = ESA_DAC_DATA + (data_bytes * vc->index); 612 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x20 * 2); 613 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x20 * 2); 614 int dsp_in_buf = dac_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 615 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 616 617 if (vc->play.active) 618 return (EINVAL); 619 620 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) 621 ; 622 if (!p) { 623 printf("%s: esa_trigger_output: bad addr %p\n", 624 sc->sc_dev.dv_xname, start); 625 return (EINVAL); 626 } 627 628 vc->play.active = 1; 629 vc->play.intr = intr; 630 vc->play.arg = intrarg; 631 vc->play.pos = 0; 632 vc->play.count = 0; 633 vc->play.buf = start; 634 size = (size_t)(((caddr_t)end - (caddr_t)start)); 635 bufaddr = DMAADDR(p); 636 vc->play.start = bufaddr; 637 638 #define LO(x) ((x) & 0x0000ffff) 639 #define HI(x) ((x) >> 16) 640 641 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 642 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 643 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 644 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 645 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 646 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 647 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 648 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 649 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 650 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 651 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 652 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 653 654 /* DSP buffers */ 655 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 656 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 657 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 658 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 659 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 660 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 661 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 662 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 663 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 664 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 665 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 666 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 667 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 668 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 669 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 670 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 671 672 /* Some per-client initializers */ 673 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 674 ESA_SRC3_DIRECTION_OFFSET + 12, dac_data + 40 + 8); 675 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 676 ESA_SRC3_DIRECTION_OFFSET + 19, 0x400 + ESA_MINISRC_COEF_LOC); 677 /* Enable or disable low-pass filter? (0xff if rate > 45000) */ 678 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 679 ESA_SRC3_DIRECTION_OFFSET + 22, 680 vc->play.mode.sample_rate > 45000 ? 0xff : 0); 681 /* Tell it which way DMA is going */ 682 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 683 ESA_CDATA_DMA_CONTROL, 684 ESA_DMACONTROL_AUTOREPEAT + ESA_DMAC_PAGE3_SELECTOR + 685 ESA_DMAC_BLOCKF_SELECTOR); 686 687 /* Set an armload of static initializers */ 688 for (i = 0; i < (sizeof(esa_playvals) / sizeof(esa_playvals[0])); i++) 689 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 690 esa_playvals[i].addr, esa_playvals[i].val); 691 692 /* Put us in the packed task lists */ 693 esa_add_list(vc, &sc->msrc_list, dac_data >> ESA_DP_SHIFT_COUNT, 694 vc->index); 695 esa_add_list(vc, &sc->dma_list, dac_data >> ESA_DP_SHIFT_COUNT, 696 vc->index); 697 esa_add_list(vc, &sc->mixer_list, dac_data >> ESA_DP_SHIFT_COUNT, 698 vc->index); 699 #undef LO 700 #undef HI 701 702 /* XXX */ 703 //esa_commit_settings(vc); 704 705 sc->sc_ntimers++; 706 707 if (sc->sc_ntimers == 1) { 708 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 709 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 710 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 711 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 712 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 713 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 714 data | ESA_CLKRUN_GEN_ENABLE); 715 } 716 717 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 718 ESA_CDATA_INSTANCE_READY, 1); 719 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 720 ESA_KDATA_MIXER_TASK_NUMBER, 721 sc->mixer_list.indexmap[vc->index]); 722 723 return (0); 724 } 725 726 int 727 esa_trigger_input(void *hdl, void *start, void *end, int blksize, 728 void (*intr)(void *), void *intrarg, 729 struct audio_params *param) 730 { 731 struct esa_voice *vc = hdl; 732 struct esa_softc *sc = (struct esa_softc *)vc->parent; 733 struct esa_dma *p; 734 bus_space_tag_t iot = sc->sc_iot; 735 bus_space_handle_t ioh = sc->sc_ioh; 736 u_int32_t data; 737 u_int32_t bufaddr; 738 u_int32_t i; 739 size_t size; 740 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 741 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 742 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 743 &~ 255; 744 int adc_data = ESA_DAC_DATA + (data_bytes * vc->index) + 745 (data_bytes / 2); 746 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x10 * 2); 747 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x10 * 2); 748 int dsp_in_buf = adc_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 749 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 750 vc->rec.data_offset = adc_data; 751 752 /* We only support 1 recording channel */ 753 if (vc->index > 0) 754 return (ENODEV); 755 756 if (vc->rec.active) 757 return (EINVAL); 758 759 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) 760 ; 761 if (!p) { 762 printf("%s: esa_trigger_input: bad addr %p\n", 763 sc->sc_dev.dv_xname, start); 764 return (EINVAL); 765 } 766 767 vc->rec.active = 1; 768 vc->rec.intr = intr; 769 vc->rec.arg = intrarg; 770 vc->rec.pos = 0; 771 vc->rec.count = 0; 772 vc->rec.buf = start; 773 size = (size_t)(((caddr_t)end - (caddr_t)start)); 774 bufaddr = DMAADDR(p); 775 vc->rec.start = bufaddr; 776 777 #define LO(x) ((x) & 0x0000ffff) 778 #define HI(x) ((x) >> 16) 779 780 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 781 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 782 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 783 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 784 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 785 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 786 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 787 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 788 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 789 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 790 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 791 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 792 793 /* DSP buffers */ 794 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 795 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 796 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 797 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 798 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 799 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 800 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 801 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 802 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 803 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 804 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 805 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 806 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 807 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 808 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 809 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 810 811 /* Some per-client initializers */ 812 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 813 ESA_SRC3_DIRECTION_OFFSET + 12, adc_data + 40 + 8); 814 /* Tell it which way DMA is going */ 815 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 816 ESA_CDATA_DMA_CONTROL, 817 ESA_DMACONTROL_DIRECTION + ESA_DMACONTROL_AUTOREPEAT + 818 ESA_DMAC_PAGE3_SELECTOR + ESA_DMAC_BLOCKF_SELECTOR); 819 820 /* Set an armload of static initializers */ 821 for (i = 0; i < (sizeof(esa_recvals) / sizeof(esa_recvals[0])); i++) 822 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 823 esa_recvals[i].addr, esa_recvals[i].val); 824 825 /* Put us in the packed task lists */ 826 esa_add_list(vc, &sc->adc1_list, adc_data >> ESA_DP_SHIFT_COUNT, 827 vc->index + ESA_NUM_VOICES); 828 esa_add_list(vc, &sc->msrc_list, adc_data >> ESA_DP_SHIFT_COUNT, 829 vc->index + ESA_NUM_VOICES); 830 esa_add_list(vc, &sc->dma_list, adc_data >> ESA_DP_SHIFT_COUNT, 831 vc->index + ESA_NUM_VOICES); 832 #undef LO 833 #undef HI 834 835 /* XXX */ 836 //esa_commit_settings(vc); 837 838 sc->sc_ntimers++; 839 if (sc->sc_ntimers == 1) { 840 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 841 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 842 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 843 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 844 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 845 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 846 data | ESA_CLKRUN_GEN_ENABLE); 847 } 848 849 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 850 ESA_CDATA_INSTANCE_READY, 1); 851 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 852 1); 853 854 return (0); 855 } 856 857 /* Interrupt handler */ 858 859 int 860 esa_intr(void *hdl) 861 { 862 struct esa_softc *sc = hdl; 863 struct esa_voice *vc; 864 bus_space_tag_t iot = sc->sc_iot; 865 bus_space_handle_t ioh = sc->sc_ioh; 866 u_int8_t status, ctl; 867 u_int32_t pos; 868 u_int32_t diff; 869 u_int32_t play_blksize, play_bufsize; 870 u_int32_t rec_blksize, rec_bufsize; 871 int i; 872 873 status = bus_space_read_1(iot, ioh, ESA_HOST_INT_STATUS); 874 if (status == 0xff) 875 return (0); 876 877 /* ack the interrupt */ 878 bus_space_write_1(iot, ioh, ESA_HOST_INT_STATUS, status); 879 880 if (status & ESA_HV_INT_PENDING) { 881 u_int8_t event; 882 883 printf("%s: hardware volume interrupt\n", sc->sc_dev.dv_xname); 884 event = bus_space_read_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER); 885 switch(event) { 886 case 0x99: 887 case 0xaa: 888 case 0x66: 889 case 0x88: 890 printf("%s: esa_intr: FIXME\n", sc->sc_dev.dv_xname); 891 break; 892 default: 893 printf("%s: unknown hwvol event 0x%02x\n", 894 sc->sc_dev.dv_xname, event); 895 break; 896 } 897 bus_space_write_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER, 0x88); 898 } 899 900 if (status & ESA_ASSP_INT_PENDING) { 901 ctl = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_B); 902 if (!(ctl & ESA_STOP_ASSP_CLOCK)) { 903 ctl = bus_space_read_1(iot, ioh, 904 ESA_ASSP_HOST_INT_STATUS); 905 if (ctl & ESA_DSP2HOST_REQ_TIMER) { 906 bus_space_write_1(iot, ioh, 907 ESA_ASSP_HOST_INT_STATUS, 908 ESA_DSP2HOST_REQ_TIMER); 909 for (i = 0; i < ESA_NUM_VOICES; i++) { 910 vc = &sc->voice[i]; 911 if (vc->play.active) { 912 play_blksize = vc->play.blksize; 913 play_bufsize = vc->play.bufsize; 914 pos = esa_get_pointer(sc, &vc->play) 915 % play_bufsize; 916 diff = (play_bufsize + pos - vc->play.pos) 917 % play_bufsize; 918 vc->play.pos = pos; 919 vc->play.count += diff; 920 while(vc->play.count >= play_blksize) { 921 vc->play.count -= play_blksize; 922 (*vc->play.intr)(vc->play.arg); 923 } 924 } 925 if (vc->rec.active) { 926 rec_blksize = vc->rec.blksize; 927 rec_bufsize = vc->rec.bufsize; 928 pos = esa_get_pointer(sc, &vc->rec) 929 % rec_bufsize; 930 diff = (rec_bufsize + pos - vc->rec.pos) 931 % rec_bufsize; 932 vc->rec.pos = pos; 933 vc->rec.count += diff; 934 while(vc->rec.count >= rec_blksize) { 935 vc->rec.count -= rec_blksize; 936 (*vc->rec.intr)(vc->rec.arg); 937 } 938 } 939 } 940 } 941 } 942 } 943 944 return (1); 945 } 946 947 int 948 esa_allocmem(struct esa_softc *sc, size_t size, size_t align, 949 struct esa_dma *p) 950 { 951 int error; 952 953 p->size = size; 954 error = bus_dmamem_alloc(sc->sc_dmat, p->size, align, 0, 955 p->segs, sizeof(p->segs) / sizeof(p->segs[0]), 956 &p->nsegs, BUS_DMA_NOWAIT); 957 if (error) 958 return (error); 959 960 error = bus_dmamem_map(sc->sc_dmat, p->segs, p->nsegs, p->size, 961 &p->addr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT); 962 if (error) 963 goto free; 964 965 error = bus_dmamap_create(sc->sc_dmat, p->size, 1, p->size, 0, 966 BUS_DMA_NOWAIT, &p->map); 967 if (error) 968 goto unmap; 969 970 error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, p->size, NULL, 971 BUS_DMA_NOWAIT); 972 if (error) 973 goto destroy; 974 975 return (0); 976 977 destroy: 978 bus_dmamap_destroy(sc->sc_dmat, p->map); 979 unmap: 980 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 981 free: 982 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 983 984 return (error); 985 } 986 987 int 988 esa_freemem(struct esa_softc *sc, struct esa_dma *p) 989 { 990 991 bus_dmamap_unload(sc->sc_dmat, p->map); 992 bus_dmamap_destroy(sc->sc_dmat, p->map); 993 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 994 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 995 996 return (0); 997 } 998 999 /* 1000 * Supporting Subroutines 1001 */ 1002 const struct pci_matchid esa_devices[] = { 1003 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_ES1989 }, 1004 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3 }, 1005 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3_2 }, 1006 }; 1007 1008 int 1009 esa_match(struct device *dev, void *match, void *aux) 1010 { 1011 return (pci_matchbyid((struct pci_attach_args *)aux, esa_devices, 1012 sizeof(esa_devices)/sizeof(esa_devices[0]))); 1013 } 1014 1015 void 1016 esa_attach(struct device *parent, struct device *self, void *aux) 1017 { 1018 struct esa_softc *sc = (struct esa_softc *)self; 1019 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 1020 pcitag_t tag = pa->pa_tag; 1021 pci_chipset_tag_t pc = pa->pa_pc; 1022 pci_intr_handle_t ih; 1023 struct esa_card_type *card; 1024 const char *intrstr; 1025 int i, len; 1026 1027 for (card = esa_card_types; card->pci_vendor_id; card++) 1028 if (PCI_VENDOR(pa->pa_id) == card->pci_vendor_id && 1029 PCI_PRODUCT(pa->pa_id) == card->pci_product_id) { 1030 sc->type = card->type; 1031 sc->delay1 = card->delay1; 1032 sc->delay2 = card->delay2; 1033 break; 1034 } 1035 1036 /* Map I/O register */ 1037 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 1038 &sc->sc_iot, &sc->sc_ioh, &sc->sc_iob, &sc->sc_ios, 0)) { 1039 printf(": can't map i/o space\n"); 1040 return; 1041 } 1042 1043 /* Initialize softc */ 1044 sc->sc_tag = tag; 1045 sc->sc_pct = pc; 1046 sc->sc_dmat = pa->pa_dmat; 1047 1048 /* Map and establish an interrupt */ 1049 if (pci_intr_map(pa, &ih)) { 1050 printf(": can't map interrupt\n"); 1051 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1052 return; 1053 } 1054 intrstr = pci_intr_string(pc, ih); 1055 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, esa_intr, self, 1056 sc->sc_dev.dv_xname); 1057 if (sc->sc_ih == NULL) { 1058 printf(": can't establish interrupt"); 1059 if (intrstr != NULL) 1060 printf(" at %s", intrstr); 1061 printf("\n"); 1062 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1063 return; 1064 } 1065 printf(": %s\n", intrstr); 1066 1067 /* Power up chip */ 1068 pci_set_powerstate(pc, tag, PCI_PMCSR_STATE_D0); 1069 1070 /* Init chip */ 1071 if (esa_init(sc) == -1) { 1072 printf("%s: esa_attach: unable to initialize the card\n", 1073 sc->sc_dev.dv_xname); 1074 pci_intr_disestablish(pc, sc->sc_ih); 1075 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1076 return; 1077 } 1078 1079 /* create suspend save area */ 1080 len = sizeof(u_int16_t) * (ESA_REV_B_CODE_MEMORY_LENGTH 1081 + ESA_REV_B_DATA_MEMORY_LENGTH + 1); 1082 sc->savemem = malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO); 1083 if (sc->savemem == NULL) { 1084 printf("%s: unable to allocate suspend buffer\n", 1085 sc->sc_dev.dv_xname); 1086 pci_intr_disestablish(pc, sc->sc_ih); 1087 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1088 return; 1089 } 1090 1091 /* 1092 * Every card I've seen has had their channels swapped with respect 1093 * to the mixer. Ie: 1094 * $ mixerctl -w outputs.master=0,191 1095 * Would result in the _right_ speaker being turned off. 1096 * 1097 * So, we will swap the left and right mixer channels to compensate 1098 * for this. 1099 */ 1100 sc->codec_flags |= AC97_HOST_SWAPPED_CHANNELS; 1101 sc->codec_flags |= AC97_HOST_DONT_READ; 1102 1103 /* Attach AC97 host interface */ 1104 sc->host_if.arg = self; 1105 sc->host_if.attach = esa_attach_codec; 1106 sc->host_if.read = esa_read_codec; 1107 sc->host_if.write = esa_write_codec; 1108 sc->host_if.reset = esa_reset_codec; 1109 sc->host_if.flags = esa_flags_codec; 1110 1111 if (ac97_attach(&sc->host_if) != 0) { 1112 pci_intr_disestablish(pc, sc->sc_ih); 1113 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1114 free(sc->savemem, M_DEVBUF); 1115 return; 1116 } 1117 1118 /* initialize list management structures */ 1119 sc->mixer_list.mem_addr = ESA_KDATA_MIXER_XFER0; 1120 sc->mixer_list.max = ESA_MAX_VIRTUAL_MIXER_CHANNELS; 1121 sc->adc1_list.mem_addr = ESA_KDATA_ADC1_XFER0; 1122 sc->adc1_list.max = ESA_MAX_VIRTUAL_ADC1_CHANNELS; 1123 sc->dma_list.mem_addr = ESA_KDATA_DMA_XFER0; 1124 sc->dma_list.max = ESA_MAX_VIRTUAL_DMA_CHANNELS; 1125 sc->msrc_list.mem_addr = ESA_KDATA_INSTANCE0_MINISRC; 1126 sc->msrc_list.max = ESA_MAX_INSTANCE_MINISRC; 1127 1128 /* initialize index maps */ 1129 for (i = 0; i < ESA_NUM_VOICES * 2; i++) { 1130 sc->mixer_list.indexmap[i] = -1; 1131 sc->msrc_list.indexmap[i] = -1; 1132 sc->dma_list.indexmap[i] = -1; 1133 sc->adc1_list.indexmap[i] = -1; 1134 } 1135 for (i = 0; i < ESA_NUM_VOICES; i++) { 1136 sc->voice[i].parent = (struct device *)sc; 1137 sc->voice[i].index = i; 1138 sc->sc_audiodev[i] = 1139 audio_attach_mi(&esa_hw_if, &sc->voice[i], &sc->sc_dev); 1140 } 1141 1142 sc->powerhook = powerhook_establish(esa_powerhook, sc); 1143 if (sc->powerhook == NULL) 1144 printf("%s: WARNING: unable to establish powerhook\n", 1145 sc->sc_dev.dv_xname); 1146 1147 return; 1148 } 1149 1150 int 1151 esa_detach(struct device *self, int flags) 1152 { 1153 struct esa_softc *sc = (struct esa_softc *)self; 1154 int i; 1155 1156 for (i = 0; i < ESA_NUM_VOICES; i++) { 1157 if (sc->sc_audiodev[i] != NULL) 1158 config_detach(sc->sc_audiodev[i], flags); 1159 } 1160 1161 if (sc->sc_ih != NULL) 1162 pci_intr_disestablish(sc->sc_pct, sc->sc_ih); 1163 if (sc->sc_ios) 1164 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1165 1166 free(sc->savemem, M_DEVBUF); 1167 1168 return (0); 1169 } 1170 1171 u_int16_t 1172 esa_read_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index) 1173 { 1174 u_int16_t data; 1175 bus_space_tag_t iot = sc->sc_iot; 1176 bus_space_handle_t ioh = sc->sc_ioh; 1177 1178 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1179 region & ESA_MEMTYPE_MASK); 1180 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1181 data = bus_space_read_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA); 1182 1183 return (data); 1184 } 1185 1186 void 1187 esa_write_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index, 1188 u_int16_t data) 1189 { 1190 bus_space_tag_t iot = sc->sc_iot; 1191 bus_space_handle_t ioh = sc->sc_ioh; 1192 1193 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1194 region & ESA_MEMTYPE_MASK); 1195 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1196 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA, data); 1197 1198 return; 1199 } 1200 1201 int 1202 esa_init_codec(struct esa_softc *sc) 1203 { 1204 bus_space_tag_t iot = sc->sc_iot; 1205 bus_space_handle_t ioh = sc->sc_ioh; 1206 u_int32_t data; 1207 1208 data = bus_space_read_1(iot, ioh, ESA_CODEC_COMMAND); 1209 1210 return ((data & 0x1) ? 0 : 1); 1211 } 1212 1213 int 1214 esa_attach_codec(void *aux, struct ac97_codec_if *codec_if) 1215 { 1216 struct esa_softc *sc = aux; 1217 1218 sc->codec_if = codec_if; 1219 1220 return (0); 1221 } 1222 1223 int 1224 esa_read_codec(void *aux, u_int8_t reg, u_int16_t *result) 1225 { 1226 struct esa_softc *sc = aux; 1227 bus_space_tag_t iot = sc->sc_iot; 1228 bus_space_handle_t ioh = sc->sc_ioh; 1229 1230 if (esa_wait(sc)) 1231 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1232 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, (reg & 0x7f) | 0x80); 1233 delay(50); 1234 if (esa_wait(sc)) 1235 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1236 *result = bus_space_read_2(iot, ioh, ESA_CODEC_DATA); 1237 1238 return (0); 1239 } 1240 1241 int 1242 esa_write_codec(void *aux, u_int8_t reg, u_int16_t data) 1243 { 1244 struct esa_softc *sc = aux; 1245 bus_space_tag_t iot = sc->sc_iot; 1246 bus_space_handle_t ioh = sc->sc_ioh; 1247 1248 if (esa_wait(sc)) { 1249 printf("%s: esa_write_codec: timed out\n", sc->sc_dev.dv_xname); 1250 return (-1); 1251 } 1252 bus_space_write_2(iot, ioh, ESA_CODEC_DATA, data); 1253 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, reg & 0x7f); 1254 delay(50); 1255 1256 return (0); 1257 } 1258 1259 void 1260 esa_reset_codec(void *aux) 1261 { 1262 1263 return; 1264 } 1265 1266 enum ac97_host_flags 1267 esa_flags_codec(void *aux) 1268 { 1269 struct esa_softc *sc = aux; 1270 1271 return (sc->codec_flags); 1272 } 1273 1274 int 1275 esa_wait(struct esa_softc *sc) 1276 { 1277 int i, val; 1278 bus_space_tag_t iot = sc->sc_iot; 1279 bus_space_handle_t ioh = sc->sc_ioh; 1280 1281 for (i = 0; i < 20; i++) { 1282 val = bus_space_read_1(iot, ioh, ESA_CODEC_STATUS); 1283 if ((val & 1) == 0) 1284 return (0); 1285 delay(2); 1286 } 1287 1288 return (-1); 1289 } 1290 1291 int 1292 esa_init(struct esa_softc *sc) 1293 { 1294 struct esa_voice *vc; 1295 bus_space_tag_t iot = sc->sc_iot; 1296 bus_space_handle_t ioh = sc->sc_ioh; 1297 pcitag_t tag = sc->sc_tag; 1298 pci_chipset_tag_t pc = sc->sc_pct; 1299 u_int32_t data, i, size; 1300 u_int8_t reset_state; 1301 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 1302 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 1303 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 1304 &~ 255; 1305 1306 /* Disable legacy emulation */ 1307 data = pci_conf_read(pc, tag, PCI_LEGACY_AUDIO_CTRL); 1308 data |= DISABLE_LEGACY; 1309 pci_conf_write(pc, tag, PCI_LEGACY_AUDIO_CTRL, data); 1310 1311 esa_config(sc); 1312 1313 reset_state = esa_assp_halt(sc); 1314 1315 esa_init_codec(sc); 1316 esa_codec_reset(sc); 1317 1318 /* Zero kernel and mixer data */ 1319 size = ESA_REV_B_DATA_MEMORY_UNIT_LENGTH * ESA_NUM_UNITS_KERNEL_DATA; 1320 for (i = 0; i < size / 2; i++) { 1321 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1322 ESA_KDATA_BASE_ADDR + i, 0); 1323 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1324 ESA_KDATA_BASE_ADDR2 + i, 0); 1325 } 1326 1327 /* Init DMA pointer */ 1328 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_CURRENT_DMA, 1329 ESA_KDATA_DMA_XFER0); 1330 1331 /* Write kernel code into memory */ 1332 size = sizeof(esa_assp_kernel_image); 1333 for (i = 0; i < size / 2; i++) 1334 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1335 ESA_REV_B_CODE_MEMORY_BEGIN + i, esa_assp_kernel_image[i]); 1336 1337 size = sizeof(esa_assp_minisrc_image); 1338 for (i = 0; i < size / 2; i++) 1339 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 0x400 + i, 1340 esa_assp_minisrc_image[i]); 1341 1342 /* Write the coefficients for the low pass filter */ 1343 size = sizeof(esa_minisrc_lpf_image); 1344 for (i = 0; i < size / 2; i++) 1345 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1346 0x400 + ESA_MINISRC_COEF_LOC + i, esa_minisrc_lpf_image[i]); 1347 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1348 0x400 + ESA_MINISRC_COEF_LOC + size, 0x8000); 1349 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TASK0, 0x400); 1350 /* Init the mixer number */ 1351 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1352 ESA_KDATA_MIXER_TASK_NUMBER, 0); 1353 /* Extreme kernel master volume */ 1354 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1355 ESA_KDATA_DAC_LEFT_VOLUME, ESA_ARB_VOLUME); 1356 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1357 ESA_KDATA_DAC_RIGHT_VOLUME, ESA_ARB_VOLUME); 1358 1359 if (esa_amp_enable(sc)) 1360 return (-1); 1361 1362 /* Zero entire DAC/ADC area */ 1363 for (i = 0x1100; i < 0x1c00; i++) 1364 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 0); 1365 1366 /* set some sane defaults */ 1367 for (i = 0; i < ESA_NUM_VOICES; i++) { 1368 vc = &sc->voice[i]; 1369 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * i); 1370 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * i * 2); 1371 } 1372 1373 esa_enable_interrupts(sc); 1374 1375 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1376 reset_state | ESA_REGB_ENABLE_RESET); 1377 1378 return (0); 1379 } 1380 1381 void 1382 esa_config(struct esa_softc *sc) 1383 { 1384 bus_space_tag_t iot = sc->sc_iot; 1385 bus_space_handle_t ioh = sc->sc_ioh; 1386 pcitag_t tag = sc->sc_tag; 1387 pci_chipset_tag_t pc = sc->sc_pct; 1388 u_int32_t data; 1389 1390 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1391 data &= ESA_REDUCED_DEBOUNCE; 1392 data |= ESA_PM_CTRL_ENABLE | ESA_CLK_DIV_BY_49 | ESA_USE_PCI_TIMING; 1393 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1394 1395 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RESET_ASSP); 1396 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1397 data &= ~ESA_INT_CLK_SELECT; 1398 if (sc->type == ESS_MAESTRO3) { 1399 data &= ~ESA_INT_CLK_MULT_ENABLE; 1400 data |= ESA_INT_CLK_SRC_NOT_PCI; 1401 } 1402 data &= ~(ESA_CLK_MULT_MODE_SELECT | ESA_CLK_MULT_MODE_SELECT_2); 1403 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1404 1405 if (sc->type == ESS_ALLEGRO1) { 1406 data = pci_conf_read(pc, tag, ESA_PCI_USER_CONFIG); 1407 data |= ESA_IN_CLK_12MHZ_SELECT; 1408 pci_conf_write(pc, tag, ESA_PCI_USER_CONFIG, data); 1409 } 1410 1411 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_A); 1412 data &= ~(ESA_DSP_CLK_36MHZ_SELECT | ESA_ASSP_CLK_49MHZ_SELECT); 1413 data |= ESA_ASSP_CLK_49MHZ_SELECT; /* XXX: Assumes 49MHz DSP */ 1414 data |= ESA_ASSP_0_WS_ENABLE; 1415 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_A, data); 1416 1417 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RUN_ASSP); 1418 1419 return; 1420 } 1421 1422 u_int8_t 1423 esa_assp_halt(struct esa_softc *sc) 1424 { 1425 bus_space_tag_t iot = sc->sc_iot; 1426 bus_space_handle_t ioh = sc->sc_ioh; 1427 u_int8_t data, reset_state; 1428 1429 data = bus_space_read_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B); 1430 reset_state = data & ~ESA_REGB_STOP_CLOCK; 1431 delay(10000); /* XXX use tsleep */ 1432 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1433 reset_state & ~ESA_REGB_ENABLE_RESET); 1434 delay(10000); /* XXX use tsleep */ 1435 1436 return (reset_state); 1437 } 1438 1439 void 1440 esa_codec_reset(struct esa_softc *sc) 1441 { 1442 bus_space_tag_t iot = sc->sc_iot; 1443 bus_space_handle_t ioh = sc->sc_ioh; 1444 u_int16_t data, dir; 1445 int retry = 0; 1446 1447 do { 1448 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1449 dir = data | 0x10; /* assuming pci bus master? */ 1450 1451 /* remote codec config */ 1452 data = bus_space_read_2(iot, ioh, ESA_RING_BUS_CTRL_B); 1453 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_B, 1454 data & ~ESA_SECOND_CODEC_ID_MASK); 1455 data = bus_space_read_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL); 1456 bus_space_write_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL, 1457 data & ~ESA_COMMAND_ADDR_OUT); 1458 data = bus_space_read_2(iot, ioh, ESA_SDO_IN_DEST_CTRL); 1459 bus_space_write_2(iot, ioh, ESA_SDO_IN_DEST_CTRL, 1460 data & ~ESA_STATUS_ADDR_IN); 1461 1462 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1463 ESA_IO_SRAM_ENABLE); 1464 delay(20); 1465 1466 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1467 dir & ~ESA_GPO_PRIMARY_AC97); 1468 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, 1469 ~ESA_GPO_PRIMARY_AC97); 1470 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 0); 1471 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1472 dir | ESA_GPO_PRIMARY_AC97); 1473 delay(sc->delay1 * 1000); 1474 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 1475 ESA_GPO_PRIMARY_AC97); 1476 delay(5); 1477 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1478 ESA_IO_SRAM_ENABLE | ESA_SERIAL_AC_LINK_ENABLE); 1479 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1480 delay(sc->delay2 * 1000); 1481 1482 esa_read_codec(sc, 0x7c, &data); 1483 if ((data == 0) || (data == 0xffff)) { 1484 retry++; 1485 if (retry > 3) { 1486 printf("%s: esa_codec_reset: failed\n", 1487 sc->sc_dev.dv_xname); 1488 break; 1489 } 1490 printf("%s: esa_codec_reset: retrying\n", 1491 sc->sc_dev.dv_xname); 1492 } else 1493 retry = 0; 1494 } while (retry); 1495 1496 return; 1497 } 1498 1499 int 1500 esa_amp_enable(struct esa_softc *sc) 1501 { 1502 bus_space_tag_t iot = sc->sc_iot; 1503 bus_space_handle_t ioh = sc->sc_ioh; 1504 u_int32_t gpo, polarity_port, polarity; 1505 u_int16_t data; 1506 1507 switch (sc->type) { 1508 case ESS_ALLEGRO1: 1509 polarity_port = 0x1800; 1510 break; 1511 case ESS_MAESTRO3: 1512 polarity_port = 0x1100; 1513 break; 1514 default: 1515 printf("%s: esa_amp_enable: Unknown chip type!!!\n", 1516 sc->sc_dev.dv_xname); 1517 return (1); 1518 } 1519 1520 gpo = (polarity_port >> 8) & 0x0f; 1521 polarity = polarity_port >> 12; 1522 polarity = !polarity; /* Enable */ 1523 polarity = polarity << gpo; 1524 gpo = 1 << gpo; 1525 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~gpo); 1526 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1527 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, data | gpo); 1528 data = ESA_GPO_SECONDARY_AC97 | ESA_GPO_PRIMARY_AC97 | polarity; 1529 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, data); 1530 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1531 1532 return (0); 1533 } 1534 1535 void 1536 esa_enable_interrupts(struct esa_softc *sc) 1537 { 1538 bus_space_tag_t iot = sc->sc_iot; 1539 bus_space_handle_t ioh = sc->sc_ioh; 1540 u_int8_t data; 1541 1542 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 1543 ESA_ASSP_INT_ENABLE | ESA_HV_INT_ENABLE); 1544 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_C); 1545 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 1546 data | ESA_ASSP_HOST_INT_ENABLE); 1547 } 1548 1549 /* 1550 * List management 1551 */ 1552 int 1553 esa_add_list(struct esa_voice *vc, struct esa_list *el, 1554 u_int16_t val, int index) 1555 { 1556 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1557 1558 el->indexmap[index] = el->currlen; 1559 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1560 el->mem_addr + el->currlen, 1561 val); 1562 1563 return (el->currlen++); 1564 } 1565 1566 void 1567 esa_remove_list(struct esa_voice *vc, struct esa_list *el, int index) 1568 { 1569 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1570 u_int16_t val; 1571 int lastindex = el->currlen - 1; 1572 int vindex = el->indexmap[index]; 1573 int i; 1574 1575 /* reset our virtual index */ 1576 el->indexmap[index] = -1; 1577 1578 if (vindex != lastindex) { 1579 val = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1580 el->mem_addr + lastindex); 1581 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1582 el->mem_addr + vindex, 1583 val); 1584 for (i = 0; i < ESA_NUM_VOICES * 2; i++) 1585 if (el->indexmap[i] == lastindex) 1586 break; 1587 if (i >= ESA_NUM_VOICES * 2) 1588 printf("%s: esa_remove_list: invalid task index\n", 1589 sc->sc_dev.dv_xname); 1590 else 1591 el->indexmap[i] = vindex; 1592 } 1593 1594 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1595 el->mem_addr + lastindex, 0); 1596 el->currlen--; 1597 1598 return; 1599 } 1600 1601 void 1602 esa_powerhook(int why, void *hdl) 1603 { 1604 struct esa_softc *sc = (struct esa_softc *)hdl; 1605 1606 switch (why) { 1607 case PWR_SUSPEND: 1608 case PWR_STANDBY: 1609 esa_suspend(sc); 1610 break; 1611 case PWR_RESUME: 1612 esa_resume(sc); 1613 (sc->codec_if->vtbl->restore_ports)(sc->codec_if); 1614 break; 1615 } 1616 } 1617 1618 int 1619 esa_suspend(struct esa_softc *sc) 1620 { 1621 bus_space_tag_t iot = sc->sc_iot; 1622 bus_space_handle_t ioh = sc->sc_ioh; 1623 int i, index; 1624 1625 index = 0; 1626 1627 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 0); 1628 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 0); 1629 1630 esa_assp_halt(sc); 1631 1632 /* Save ASSP state */ 1633 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1634 i++) 1635 sc->savemem[index++] = esa_read_assp(sc, 1636 ESA_MEMTYPE_INTERNAL_CODE, i); 1637 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1638 i++) 1639 sc->savemem[index++] = esa_read_assp(sc, 1640 ESA_MEMTYPE_INTERNAL_DATA, i); 1641 1642 pci_set_powerstate(sc->sc_pct, sc->sc_tag, PCI_PMCSR_STATE_D3); 1643 1644 return (0); 1645 } 1646 1647 int 1648 esa_resume(struct esa_softc *sc) { 1649 bus_space_tag_t iot = sc->sc_iot; 1650 bus_space_handle_t ioh = sc->sc_ioh; 1651 int i, index; 1652 u_int8_t reset_state; 1653 1654 index = 0; 1655 1656 pci_set_powerstate(sc->sc_pct, sc->sc_tag, PCI_PMCSR_STATE_D0); 1657 delay(10000); 1658 1659 esa_config(sc); 1660 1661 reset_state = esa_assp_halt(sc); 1662 1663 esa_codec_reset(sc); 1664 1665 /* restore ASSP */ 1666 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1667 i++) 1668 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, i, 1669 sc->savemem[index++]); 1670 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1671 i++) 1672 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 1673 sc->savemem[index++]); 1674 1675 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_ACTIVE, 0); 1676 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1677 reset_state | ESA_REGB_ENABLE_RESET); 1678 1679 esa_enable_interrupts(sc); 1680 esa_amp_enable(sc); 1681 1682 return (0); 1683 } 1684 1685 u_int32_t 1686 esa_get_pointer(struct esa_softc *sc, struct esa_channel *ch) 1687 { 1688 u_int16_t hi = 0, lo = 0; 1689 u_int32_t addr; 1690 int data_offset = ch->data_offset; 1691 1692 hi = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1693 ESA_CDATA_HOST_SRC_CURRENTH); 1694 lo = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1695 ESA_CDATA_HOST_SRC_CURRENTL); 1696 1697 addr = lo | ((u_int32_t)hi << 16); 1698 return (addr - ch->start); 1699 } 1700 1701 paddr_t 1702 esa_mappage(void *addr, void *mem, off_t off, int prot) 1703 { 1704 struct esa_voice *vc = addr; 1705 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1706 struct esa_dma *p; 1707 1708 if (off < 0) 1709 return (-1); 1710 for (p = vc->dma; p && KERNADDR(p) != mem; p = p->next) 1711 ; 1712 if (!p) 1713 return (-1); 1714 return (bus_dmamem_mmap(sc->sc_dmat, p->segs, p->nsegs, 1715 off, prot, BUS_DMA_WAITOK)); 1716 } 1717