esa.c revision 1.23
1/* $NetBSD: esa.c,v 1.23 2004/04/23 21:13:06 itojun Exp $ */ 2 3/* 4 * Copyright (c) 2001, 2002 Jared D. McNeill <jmcneill@invisible.ca> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 20 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 22 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28/* 29 * ESS Allegro-1 / Maestro3 Audio Driver 30 * 31 * Based on the FreeBSD maestro3 driver and the NetBSD eap driver. 32 * Original driver by Don Kim. 33 * 34 * The list management code could possibly be written better, but what 35 * we have right now does the job nicely. Thanks to Zach Brown <zab@zabbo.net> 36 * and Andrew MacDonald <amac@epsilon.yi.org> for helping me debug the 37 * problems with the original list management code present in the Linux 38 * driver. 39 */ 40 41#include <sys/cdefs.h> 42__KERNEL_RCSID(0, "$NetBSD: esa.c,v 1.23 2004/04/23 21:13:06 itojun Exp $"); 43 44#include <sys/types.h> 45#include <sys/errno.h> 46#include <sys/null.h> 47#include <sys/param.h> 48#include <sys/systm.h> 49#include <sys/malloc.h> 50#include <sys/device.h> 51#include <sys/conf.h> 52#include <sys/exec.h> 53#include <sys/select.h> 54#include <sys/audioio.h> 55 56#include <machine/bus.h> 57#include <machine/intr.h> 58 59#include <dev/pci/pcidevs.h> 60#include <dev/pci/pcivar.h> 61 62#include <dev/audio_if.h> 63#include <dev/mulaw.h> 64#include <dev/auconv.h> 65#include <dev/ic/ac97var.h> 66#include <dev/ic/ac97reg.h> 67 68#include <dev/pci/esareg.h> 69#include <dev/pci/esadsp.h> 70#include <dev/pci/esavar.h> 71 72#define PCI_CBIO 0x10 73 74#define ESA_DAC_DATA 0x1100 75 76enum { 77 ESS_ALLEGRO1, 78 ESS_MAESTRO3 79}; 80 81static 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_ALLEGRO1, 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 96struct audio_device esa_device = { 97 "ESS Allegro", 98 "", 99 "esa" 100}; 101 102int esa_match(struct device *, struct cfdata *, void *); 103void esa_attach(struct device *, struct device *, void *); 104int esa_detach(struct device *, int); 105 106/* audio(9) functions */ 107int esa_open(void *, int); 108void esa_close(void *); 109int esa_query_encoding(void *, struct audio_encoding *); 110int esa_set_params(void *, int, int, struct audio_params *, 111 struct audio_params *); 112int esa_round_blocksize(void *, int); 113int esa_commit_settings(void *); 114int esa_halt_output(void *); 115int esa_halt_input(void *); 116int esa_set_port(void *, mixer_ctrl_t *); 117int esa_get_port(void *, mixer_ctrl_t *); 118int esa_query_devinfo(void *, mixer_devinfo_t *); 119void * esa_malloc(void *, int, size_t, struct malloc_type *, int); 120void esa_free(void *, void *, struct malloc_type *); 121int esa_getdev(void *, struct audio_device *); 122size_t esa_round_buffersize(void *, int, size_t); 123int esa_get_props(void *); 124int esa_trigger_output(void *, void *, void *, int, 125 void (*)(void *), void *, 126 struct audio_params *); 127int esa_trigger_input(void *, void *, void *, int, 128 void (*)(void *), void *, 129 struct audio_params *); 130 131int esa_intr(void *); 132int esa_allocmem(struct esa_softc *, size_t, size_t, 133 struct esa_dma *); 134int esa_freemem(struct esa_softc *, struct esa_dma *); 135paddr_t esa_mappage(void *addr, void *mem, off_t off, int prot); 136 137/* Supporting subroutines */ 138u_int16_t esa_read_assp(struct esa_softc *, u_int16_t, u_int16_t); 139void esa_write_assp(struct esa_softc *, u_int16_t, u_int16_t, 140 u_int16_t); 141int esa_init_codec(struct esa_softc *); 142int esa_attach_codec(void *, struct ac97_codec_if *); 143int esa_read_codec(void *, u_int8_t, u_int16_t *); 144int esa_write_codec(void *, u_int8_t, u_int16_t); 145void esa_reset_codec(void *); 146enum ac97_host_flags esa_flags_codec(void *); 147int esa_wait(struct esa_softc *); 148int esa_init(struct esa_softc *); 149void esa_config(struct esa_softc *); 150u_int8_t esa_assp_halt(struct esa_softc *); 151void esa_codec_reset(struct esa_softc *); 152int esa_amp_enable(struct esa_softc *); 153void esa_enable_interrupts(struct esa_softc *); 154u_int32_t esa_get_pointer(struct esa_softc *, struct esa_channel *); 155 156/* list management */ 157int esa_add_list(struct esa_voice *, struct esa_list *, u_int16_t, 158 int); 159void esa_remove_list(struct esa_voice *, struct esa_list *, int); 160 161/* power management */ 162int esa_power(struct esa_softc *, int); 163void esa_powerhook(int, void *); 164int esa_suspend(struct esa_softc *); 165int esa_resume(struct esa_softc *); 166 167static 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 185struct 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}; 213 214CFATTACH_DECL(esa, sizeof(struct esa_softc), esa_match, esa_attach, 215 esa_detach, NULL); 216 217/* 218 * audio(9) functions 219 */ 220 221int 222esa_open(void *hdl, int flags) 223{ 224 225 return (0); 226} 227 228void 229esa_close(void *hdl) 230{ 231 232 return; 233} 234 235int 236esa_query_encoding(void *hdl, struct audio_encoding *ae) 237{ 238 239 if (ae->index < 0 || ae->index >= ESA_NENCODINGS) 240 return (EINVAL); 241 *ae = esa_encoding[ae->index]; 242 243 return (0); 244} 245 246int 247esa_set_params(void *hdl, int setmode, int usemode, struct audio_params *play, 248 struct audio_params *rec) 249{ 250 struct esa_voice *vc = hdl; 251 //struct esa_softc *sc = (struct esa_softc *)vc->parent; 252 struct esa_channel *ch; 253 struct audio_params *p; 254 int mode; 255 256 for (mode = AUMODE_RECORD; mode != -1; 257 mode = (mode == AUMODE_RECORD) ? AUMODE_PLAY : -1) { 258 if ((setmode & mode) == 0) 259 continue; 260 261 switch (mode) { 262 case AUMODE_PLAY: 263 p = play; 264 ch = &vc->play; 265 break; 266 case AUMODE_RECORD: 267 p = rec; 268 ch = &vc->rec; 269 break; 270 default: 271 return EINVAL; 272 } 273 274 if (p->sample_rate < ESA_MINRATE || 275 p->sample_rate > ESA_MAXRATE || 276 (p->precision != 8 && p->precision != 16) || 277 (p->channels < 1 && p->channels > 2)) 278 return (EINVAL); 279 280 p->factor = 1; 281 p->sw_code = 0; 282 283 switch(p->encoding) { 284 case AUDIO_ENCODING_SLINEAR_BE: 285 if (p->precision == 16) 286 p->sw_code = swap_bytes; 287 else 288 p->sw_code = change_sign8; 289 break; 290 case AUDIO_ENCODING_SLINEAR_LE: 291 if (p->precision != 16) 292 p->sw_code = change_sign8; 293 break; 294 case AUDIO_ENCODING_ULINEAR_BE: 295 if (p->precision == 16) { 296 if (mode == AUMODE_PLAY) 297 p->sw_code = 298 swap_bytes_change_sign16_le; 299 else 300 p->sw_code = 301 change_sign16_swap_bytes_le; 302 } 303 break; 304 case AUDIO_ENCODING_ULINEAR_LE: 305 if (p->precision == 16) 306 p->sw_code = change_sign16_le; 307 break; 308 case AUDIO_ENCODING_ULAW: 309 if (mode == AUMODE_PLAY) { 310 p->factor = 2; 311 p->sw_code = mulaw_to_slinear16_le; 312 } else 313 p->sw_code = ulinear8_to_mulaw; 314 break; 315 case AUDIO_ENCODING_ALAW: 316 if (mode == AUMODE_PLAY) { 317 p->factor = 2; 318 p->sw_code = alaw_to_slinear16_le; 319 } else 320 p->sw_code = ulinear8_to_alaw; 321 break; 322 default: 323 return (EINVAL); 324 } 325 326 ch->mode = *p; 327 } 328 329 return (0); 330} 331 332int 333esa_commit_settings(void *hdl) 334{ 335 struct esa_voice *vc = hdl; 336 struct esa_softc *sc = (struct esa_softc *)vc->parent; 337 struct audio_params *p = &vc->play.mode; 338 struct audio_params *r = &vc->rec.mode; 339 u_int32_t data; 340 u_int32_t freq; 341 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 342 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 343 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 344 &~ 255; 345 346 /* playback */ 347 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * vc->index); 348 if (p->channels == 1) 349 data = 1; 350 else 351 data = 0; 352 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 353 vc->play.data_offset + ESA_SRC3_MODE_OFFSET, 354 data); 355 if (p->precision * p->factor == 8) 356 data = 1; 357 else 358 data = 0; 359 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 360 vc->play.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET, 361 data); 362 if ((freq = ((p->sample_rate << 15) + 24000) / 48000) != 0) { 363 freq--; 364 } 365 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 366 vc->play.data_offset + ESA_CDATA_FREQUENCY, freq); 367 368 /* recording */ 369 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * vc->index) + 370 (data_bytes / 2); 371 if (r->channels == 1) 372 data = 1; 373 else 374 data = 0; 375 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 376 vc->rec.data_offset + ESA_SRC3_MODE_OFFSET, 377 data); 378 if (r->precision * r->factor == 8) 379 data = 1; 380 else 381 data = 0; 382 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 383 vc->rec.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET, 384 data); 385 if ((freq = ((r->sample_rate << 15) + 24000) / 48000) != 0) { 386 freq--; 387 } 388 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 389 vc->rec.data_offset + ESA_CDATA_FREQUENCY, freq); 390 391 return (0); 392}; 393 394int 395esa_round_blocksize(void *hdl, int bs) 396{ 397 struct esa_voice *vc = hdl; 398 399 /* 400 * Surely there has to be a better solution... 401 */ 402 vc->play.blksize = vc->rec.blksize = 4096; 403 404 return (vc->play.blksize); 405} 406 407int 408esa_halt_output(void *hdl) 409{ 410 struct esa_voice *vc = hdl; 411 struct esa_softc *sc = (struct esa_softc *)vc->parent; 412 bus_space_tag_t iot = sc->sc_iot; 413 bus_space_handle_t ioh = sc->sc_ioh; 414 u_int16_t data; 415 416 if (vc->play.active == 0) 417 return (0); 418 419 vc->play.active = 0; 420 421 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 422 ESA_CDATA_INSTANCE_READY + vc->play.data_offset, 0); 423 424 sc->sc_ntimers--; 425 if (sc->sc_ntimers == 0) { 426 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 427 ESA_KDATA_TIMER_COUNT_RELOAD, 0); 428 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 429 ESA_KDATA_TIMER_COUNT_CURRENT, 0); 430 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 431 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 432 data & ~ESA_CLKRUN_GEN_ENABLE); 433 } 434 435 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 436 ESA_KDATA_MIXER_TASK_NUMBER, 437 sc->mixer_list.indexmap[vc->index]); 438 /* remove ourselves from the packed lists */ 439 esa_remove_list(vc, &sc->mixer_list, vc->index); 440 esa_remove_list(vc, &sc->dma_list, vc->index); 441 esa_remove_list(vc, &sc->msrc_list, vc->index); 442 443 return (0); 444} 445 446int 447esa_halt_input(void *hdl) 448{ 449 struct esa_voice *vc = hdl; 450 struct esa_softc *sc = (struct esa_softc *)vc->parent; 451 bus_space_tag_t iot = sc->sc_iot; 452 bus_space_handle_t ioh = sc->sc_ioh; 453 u_int32_t data; 454 455 if (vc->rec.active == 0) 456 return (0); 457 458 vc->rec.active = 0; 459 460 sc->sc_ntimers--; 461 if (sc->sc_ntimers == 0) { 462 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 463 ESA_KDATA_TIMER_COUNT_RELOAD, 0); 464 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 465 ESA_KDATA_TIMER_COUNT_CURRENT, 0); 466 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 467 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 468 data & ~ESA_CLKRUN_GEN_ENABLE); 469 } 470 471 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, vc->rec.data_offset + 472 ESA_CDATA_INSTANCE_READY, 0); 473 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 474 0); 475 476 /* remove ourselves from the packed lists */ 477 esa_remove_list(vc, &sc->adc1_list, vc->index + ESA_NUM_VOICES); 478 esa_remove_list(vc, &sc->dma_list, vc->index + ESA_NUM_VOICES); 479 esa_remove_list(vc, &sc->msrc_list, vc->index + ESA_NUM_VOICES); 480 481 return (0); 482} 483 484void * 485esa_malloc(void *hdl, int direction, size_t size, struct malloc_type *type, 486 int flags) 487{ 488 struct esa_voice *vc = hdl; 489 struct esa_softc *sc = (struct esa_softc *)vc->parent; 490 struct esa_dma *p; 491 int error; 492 493 p = malloc(sizeof(*p), type, flags); 494 if (!p) 495 return (0); 496 error = esa_allocmem(sc, size, 16, p); 497 if (error) { 498 free(p, type); 499 printf("%s: esa_malloc: not enough memory\n", 500 sc->sc_dev.dv_xname); 501 return (0); 502 } 503 p->next = vc->dma; 504 vc->dma = p; 505 506 return (KERNADDR(p)); 507} 508 509void 510esa_free(void *hdl, void *addr, struct malloc_type *type) 511{ 512 struct esa_voice *vc = hdl; 513 struct esa_softc *sc = (struct esa_softc *)vc->parent; 514 struct esa_dma *p; 515 struct esa_dma **pp; 516 517 for (pp = &vc->dma; (p = *pp) != NULL; pp = &p->next) 518 if (KERNADDR(p) == addr) { 519 esa_freemem(sc, p); 520 *pp = p->next; 521 free(p, type); 522 return; 523 } 524} 525 526int 527esa_getdev(void *hdl, struct audio_device *ret) 528{ 529 530 *ret = esa_device; 531 532 return (0); 533} 534 535int 536esa_set_port(void *hdl, mixer_ctrl_t *mc) 537{ 538 struct esa_voice *vc = hdl; 539 struct esa_softc *sc = (struct esa_softc *)vc->parent; 540 541 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, mc)); 542} 543 544int 545esa_get_port(void *hdl, mixer_ctrl_t *mc) 546{ 547 struct esa_voice *vc = hdl; 548 struct esa_softc *sc = (struct esa_softc *)vc->parent; 549 550 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, mc)); 551} 552 553int 554esa_query_devinfo(void *hdl, mixer_devinfo_t *di) 555{ 556 struct esa_voice *vc = hdl; 557 struct esa_softc *sc = (struct esa_softc *)vc->parent; 558 559 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, di)); 560} 561 562size_t 563esa_round_buffersize(void *hdl, int direction, size_t bufsize) 564{ 565 struct esa_voice *vc = hdl; 566 567 /* 568 * We must be able to do better than this... 569 */ 570 vc->play.bufsize = vc->rec.bufsize = 65536; 571 572 return (vc->play.bufsize); 573} 574 575int 576esa_get_props(void *hdl) 577{ 578 579 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX); 580} 581 582int 583esa_trigger_output(void *hdl, void *start, void *end, int blksize, 584 void (*intr)(void *), void *intrarg, 585 struct audio_params *param) 586{ 587 struct esa_voice *vc = hdl; 588 struct esa_softc *sc = (struct esa_softc *)vc->parent; 589 struct esa_dma *p; 590 bus_space_tag_t iot = sc->sc_iot; 591 bus_space_handle_t ioh = sc->sc_ioh; 592 u_int32_t data; 593 u_int32_t bufaddr; 594 u_int32_t i; 595 size_t size; 596 597 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 598 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 599 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 600 &~ 255; 601 int dac_data = ESA_DAC_DATA + (data_bytes * vc->index); 602 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x20 * 2); 603 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x20 * 2); 604 int dsp_in_buf = dac_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 605 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 606 607 if (vc->play.active) 608 return (EINVAL); 609 610 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) 611 ; 612 if (!p) { 613 printf("%s: esa_trigger_output: bad addr %p\n", 614 sc->sc_dev.dv_xname, start); 615 return (EINVAL); 616 } 617 618 vc->play.active = 1; 619 vc->play.intr = intr; 620 vc->play.arg = intrarg; 621 vc->play.pos = 0; 622 vc->play.count = 0; 623 vc->play.buf = start; 624 size = (size_t)(((caddr_t)end - (caddr_t)start)); 625 bufaddr = DMAADDR(p); 626 vc->play.start = bufaddr; 627 628#define LO(x) ((x) & 0x0000ffff) 629#define HI(x) ((x) >> 16) 630 631 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 632 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 633 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 634 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 635 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 636 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 637 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 638 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 639 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 640 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 641 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 642 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 643 644 /* DSP buffers */ 645 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 646 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 647 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 648 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 649 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 650 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 651 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 652 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 653 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 654 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 655 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 656 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 657 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 658 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 659 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 660 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 661 662 /* Some per-client initializers */ 663 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 664 ESA_SRC3_DIRECTION_OFFSET + 12, dac_data + 40 + 8); 665 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 666 ESA_SRC3_DIRECTION_OFFSET + 19, 0x400 + ESA_MINISRC_COEF_LOC); 667 /* Enable or disable low-pass filter? (0xff if rate > 45000) */ 668 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 669 ESA_SRC3_DIRECTION_OFFSET + 22, 670 vc->play.mode.sample_rate > 45000 ? 0xff : 0); 671 /* Tell it which way DMA is going */ 672 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 673 ESA_CDATA_DMA_CONTROL, 674 ESA_DMACONTROL_AUTOREPEAT + ESA_DMAC_PAGE3_SELECTOR + 675 ESA_DMAC_BLOCKF_SELECTOR); 676 677 /* Set an armload of static initializers */ 678 for (i = 0; i < (sizeof(esa_playvals) / sizeof(esa_playvals[0])); i++) 679 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 680 esa_playvals[i].addr, esa_playvals[i].val); 681 682 /* Put us in the packed task lists */ 683 esa_add_list(vc, &sc->msrc_list, dac_data >> ESA_DP_SHIFT_COUNT, 684 vc->index); 685 esa_add_list(vc, &sc->dma_list, dac_data >> ESA_DP_SHIFT_COUNT, 686 vc->index); 687 esa_add_list(vc, &sc->mixer_list, dac_data >> ESA_DP_SHIFT_COUNT, 688 vc->index); 689#undef LO 690#undef HI 691 692 /* XXX */ 693 //esa_commit_settings(vc); 694 695 sc->sc_ntimers++; 696 697 if (sc->sc_ntimers == 1) { 698 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 699 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 700 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 701 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 702 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 703 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 704 data | ESA_CLKRUN_GEN_ENABLE); 705 } 706 707 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 708 ESA_CDATA_INSTANCE_READY, 1); 709 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 710 ESA_KDATA_MIXER_TASK_NUMBER, 711 sc->mixer_list.indexmap[vc->index]); 712 713 return (0); 714} 715 716int 717esa_trigger_input(void *hdl, void *start, void *end, int blksize, 718 void (*intr)(void *), void *intrarg, 719 struct audio_params *param) 720{ 721 struct esa_voice *vc = hdl; 722 struct esa_softc *sc = (struct esa_softc *)vc->parent; 723 struct esa_dma *p; 724 bus_space_tag_t iot = sc->sc_iot; 725 bus_space_handle_t ioh = sc->sc_ioh; 726 u_int32_t data; 727 u_int32_t bufaddr; 728 u_int32_t i; 729 size_t size; 730 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 731 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 732 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 733 &~ 255; 734 int adc_data = ESA_DAC_DATA + (data_bytes * vc->index) + 735 (data_bytes / 2); 736 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x10 * 2); 737 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x10 * 2); 738 int dsp_in_buf = adc_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 739 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 740 vc->rec.data_offset = adc_data; 741 742 /* We only support 1 recording channel */ 743 if (vc->index > 0) 744 return (ENODEV); 745 746 if (vc->rec.active) 747 return (EINVAL); 748 749 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) 750 ; 751 if (!p) { 752 printf("%s: esa_trigger_input: bad addr %p\n", 753 sc->sc_dev.dv_xname, start); 754 return (EINVAL); 755 } 756 757 vc->rec.active = 1; 758 vc->rec.intr = intr; 759 vc->rec.arg = intrarg; 760 vc->rec.pos = 0; 761 vc->rec.count = 0; 762 vc->rec.buf = start; 763 size = (size_t)(((caddr_t)end - (caddr_t)start)); 764 bufaddr = DMAADDR(p); 765 vc->rec.start = bufaddr; 766 767#define LO(x) ((x) & 0x0000ffff) 768#define HI(x) ((x) >> 16) 769 770 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 771 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 772 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 773 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 774 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 775 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 776 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 777 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 778 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 779 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 780 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 781 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 782 783 /* DSP buffers */ 784 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 785 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 786 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 787 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 788 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 789 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 790 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 791 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 792 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 793 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 794 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 795 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 796 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 797 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 798 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 799 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 800 801 /* Some per-client initializers */ 802 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 803 ESA_SRC3_DIRECTION_OFFSET + 12, adc_data + 40 + 8); 804 /* Tell it which way DMA is going */ 805 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 806 ESA_CDATA_DMA_CONTROL, 807 ESA_DMACONTROL_DIRECTION + ESA_DMACONTROL_AUTOREPEAT + 808 ESA_DMAC_PAGE3_SELECTOR + ESA_DMAC_BLOCKF_SELECTOR); 809 810 /* Set an armload of static initializers */ 811 for (i = 0; i < (sizeof(esa_recvals) / sizeof(esa_recvals[0])); i++) 812 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 813 esa_recvals[i].addr, esa_recvals[i].val); 814 815 /* Put us in the packed task lists */ 816 esa_add_list(vc, &sc->adc1_list, adc_data >> ESA_DP_SHIFT_COUNT, 817 vc->index + ESA_NUM_VOICES); 818 esa_add_list(vc, &sc->msrc_list, adc_data >> ESA_DP_SHIFT_COUNT, 819 vc->index + ESA_NUM_VOICES); 820 esa_add_list(vc, &sc->dma_list, adc_data >> ESA_DP_SHIFT_COUNT, 821 vc->index + ESA_NUM_VOICES); 822#undef LO 823#undef HI 824 825 /* XXX */ 826 //esa_commit_settings(vc); 827 828 sc->sc_ntimers++; 829 if (sc->sc_ntimers == 1) { 830 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 831 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 832 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 833 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 834 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 835 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 836 data | ESA_CLKRUN_GEN_ENABLE); 837 } 838 839 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 840 ESA_CDATA_INSTANCE_READY, 1); 841 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 842 1); 843 844 return (0); 845} 846 847/* Interrupt handler */ 848 849int 850esa_intr(void *hdl) 851{ 852 struct esa_softc *sc = hdl; 853 struct esa_voice *vc; 854 bus_space_tag_t iot = sc->sc_iot; 855 bus_space_handle_t ioh = sc->sc_ioh; 856 u_int8_t status, ctl; 857 u_int32_t pos; 858 u_int32_t diff; 859 u_int32_t play_blksize, play_bufsize; 860 u_int32_t rec_blksize, rec_bufsize; 861 int i; 862 863 status = bus_space_read_1(iot, ioh, ESA_HOST_INT_STATUS); 864 if (status == 0xff) 865 return (0); 866 867 /* ack the interrupt */ 868 bus_space_write_1(iot, ioh, ESA_HOST_INT_STATUS, status); 869 870 if (status & ESA_HV_INT_PENDING) { 871 u_int8_t event; 872 873 printf("%s: hardware volume interrupt\n", sc->sc_dev.dv_xname); 874 event = bus_space_read_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER); 875 switch(event) { 876 case 0x99: 877 case 0xaa: 878 case 0x66: 879 case 0x88: 880 printf("%s: esa_intr: FIXME\n", sc->sc_dev.dv_xname); 881 break; 882 default: 883 printf("%s: unknown hwvol event 0x%02x\n", 884 sc->sc_dev.dv_xname, event); 885 break; 886 } 887 bus_space_write_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER, 0x88); 888 } 889 890 if (status & ESA_ASSP_INT_PENDING) { 891 ctl = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_B); 892 if (!(ctl & ESA_STOP_ASSP_CLOCK)) { 893 ctl = bus_space_read_1(iot, ioh, 894 ESA_ASSP_HOST_INT_STATUS); 895 if (ctl & ESA_DSP2HOST_REQ_TIMER) { 896 bus_space_write_1(iot, ioh, 897 ESA_ASSP_HOST_INT_STATUS, 898 ESA_DSP2HOST_REQ_TIMER); 899 for (i = 0; i < ESA_NUM_VOICES; i++) { 900 vc = &sc->voice[i]; 901 if (vc->play.active) { 902 play_blksize = vc->play.blksize; 903 play_bufsize = vc->play.bufsize; 904 pos = esa_get_pointer(sc, &vc->play) 905 % play_bufsize; 906 diff = (play_bufsize + pos - vc->play.pos) 907 % play_bufsize; 908 vc->play.pos = pos; 909 vc->play.count += diff; 910 while(vc->play.count >= play_blksize) { 911 vc->play.count -= play_blksize; 912 (*vc->play.intr)(vc->play.arg); 913 } 914 } 915 if (vc->rec.active) { 916 rec_blksize = vc->rec.blksize; 917 rec_bufsize = vc->rec.bufsize; 918 pos = esa_get_pointer(sc, &vc->rec) 919 % rec_bufsize; 920 diff = (rec_bufsize + pos - vc->rec.pos) 921 % rec_bufsize; 922 vc->rec.pos = pos; 923 vc->rec.count += diff; 924 while(vc->rec.count >= rec_blksize) { 925 vc->rec.count -= rec_blksize; 926 (*vc->rec.intr)(vc->rec.arg); 927 } 928 } 929 } 930 } 931 } 932 } 933 934 return (1); 935} 936 937int 938esa_allocmem(struct esa_softc *sc, size_t size, size_t align, 939 struct esa_dma *p) 940{ 941 int error; 942 943 p->size = size; 944 error = bus_dmamem_alloc(sc->sc_dmat, p->size, align, 0, 945 p->segs, sizeof(p->segs) / sizeof(p->segs[0]), 946 &p->nsegs, BUS_DMA_NOWAIT); 947 if (error) 948 return (error); 949 950 error = bus_dmamem_map(sc->sc_dmat, p->segs, p->nsegs, p->size, 951 &p->addr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT); 952 if (error) 953 goto free; 954 955 error = bus_dmamap_create(sc->sc_dmat, p->size, 1, p->size, 0, 956 BUS_DMA_NOWAIT, &p->map); 957 if (error) 958 goto unmap; 959 960 error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, p->size, NULL, 961 BUS_DMA_NOWAIT); 962 if (error) 963 goto destroy; 964 965 return (0); 966 967destroy: 968 bus_dmamap_destroy(sc->sc_dmat, p->map); 969unmap: 970 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 971free: 972 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 973 974 return (error); 975} 976 977int 978esa_freemem(struct esa_softc *sc, struct esa_dma *p) 979{ 980 981 bus_dmamap_unload(sc->sc_dmat, p->map); 982 bus_dmamap_destroy(sc->sc_dmat, p->map); 983 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 984 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 985 986 return (0); 987} 988 989/* 990 * Supporting Subroutines 991 */ 992 993int 994esa_match(struct device *dev, struct cfdata *match, void *aux) 995{ 996 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 997 998 switch(PCI_VENDOR(pa->pa_id)) { 999 case PCI_VENDOR_ESSTECH: 1000 switch(PCI_PRODUCT(pa->pa_id)) { 1001 case PCI_PRODUCT_ESSTECH_ALLEGRO1: 1002 case PCI_PRODUCT_ESSTECH_MAESTRO3: 1003 case PCI_PRODUCT_ESSTECH_MAESTRO3_2: 1004 return (1); 1005 } 1006 } 1007 1008 return (0); 1009} 1010 1011void 1012esa_attach(struct device *parent, struct device *self, void *aux) 1013{ 1014 struct esa_softc *sc = (struct esa_softc *)self; 1015 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 1016 pcitag_t tag = pa->pa_tag; 1017 pci_chipset_tag_t pc = pa->pa_pc; 1018 pci_intr_handle_t ih; 1019 struct esa_card_type *card; 1020 const char *intrstr; 1021 u_int32_t data; 1022 char devinfo[256]; 1023 int revision, len; 1024 int i; 1025 1026 aprint_naive(": Audio controller\n"); 1027 1028 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo)); 1029 revision = PCI_REVISION(pa->pa_class); 1030 aprint_normal(": %s (rev. 0x%02x)\n", devinfo, revision); 1031 1032 for (card = esa_card_types; card->pci_vendor_id; card++) 1033 if (PCI_VENDOR(pa->pa_id) == card->pci_vendor_id && 1034 PCI_PRODUCT(pa->pa_id) == card->pci_product_id) { 1035 sc->type = card->type; 1036 sc->delay1 = card->delay1; 1037 sc->delay2 = card->delay2; 1038 break; 1039 } 1040 1041 data = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG); 1042 data |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE 1043 | PCI_COMMAND_MASTER_ENABLE); 1044 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, data); 1045 1046 /* Map I/O register */ 1047 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 1048 &sc->sc_iot, &sc->sc_ioh, &sc->sc_iob, &sc->sc_ios)) { 1049 aprint_error("%s: can't map i/o space\n", sc->sc_dev.dv_xname); 1050 return; 1051 } 1052 1053 /* Initialize softc */ 1054 sc->sc_tag = tag; 1055 sc->sc_pct = pc; 1056 sc->sc_dmat = pa->pa_dmat; 1057 1058 /* Map and establish an interrupt */ 1059 if (pci_intr_map(pa, &ih)) { 1060 aprint_error("%s: can't map interrupt\n", sc->sc_dev.dv_xname); 1061 return; 1062 } 1063 intrstr = pci_intr_string(pc, ih); 1064 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, esa_intr, self); 1065 if (sc->sc_ih == NULL) { 1066 aprint_error("%s: can't establish interrupt", 1067 sc->sc_dev.dv_xname); 1068 if (intrstr != NULL) 1069 aprint_normal(" at %s", intrstr); 1070 aprint_normal("\n"); 1071 return; 1072 } 1073 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 1074 1075 /* Power up chip */ 1076 esa_power(sc, PCI_PMCSR_STATE_D0); 1077 1078 /* Init chip */ 1079 if (esa_init(sc) == -1) { 1080 aprint_error("%s: esa_attach: unable to initialize the card\n", 1081 sc->sc_dev.dv_xname); 1082 return; 1083 } 1084 1085 /* create suspend save area */ 1086 len = sizeof(u_int16_t) * (ESA_REV_B_CODE_MEMORY_LENGTH 1087 + ESA_REV_B_DATA_MEMORY_LENGTH + 1); 1088 sc->savemem = (u_int16_t *)malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO); 1089 if (sc->savemem == NULL) { 1090 aprint_error("%s: unable to allocate suspend buffer\n", 1091 sc->sc_dev.dv_xname); 1092 return; 1093 } 1094 1095 /* 1096 * Every card I've seen has had their channels swapped with respect 1097 * to the mixer. Ie: 1098 * $ mixerctl -w outputs.master=0,191 1099 * Would result in the _right_ speaker being turned off. 1100 * 1101 * So, we will swap the left and right mixer channels to compensate 1102 * for this. 1103 */ 1104 sc->codec_flags = AC97_HOST_SWAPPED_CHANNELS; 1105 1106 /* Attach AC97 host interface */ 1107 sc->host_if.arg = self; 1108 sc->host_if.attach = esa_attach_codec; 1109 sc->host_if.read = esa_read_codec; 1110 sc->host_if.write = esa_write_codec; 1111 sc->host_if.reset = esa_reset_codec; 1112 sc->host_if.flags = esa_flags_codec; 1113 1114 if (ac97_attach(&sc->host_if) != 0) 1115 return; 1116 1117 /* initialize list management structures */ 1118 sc->mixer_list.mem_addr = ESA_KDATA_MIXER_XFER0; 1119 sc->mixer_list.max = ESA_MAX_VIRTUAL_MIXER_CHANNELS; 1120 sc->adc1_list.mem_addr = ESA_KDATA_ADC1_XFER0; 1121 sc->adc1_list.max = ESA_MAX_VIRTUAL_ADC1_CHANNELS; 1122 sc->dma_list.mem_addr = ESA_KDATA_DMA_XFER0; 1123 sc->dma_list.max = ESA_MAX_VIRTUAL_DMA_CHANNELS; 1124 sc->msrc_list.mem_addr = ESA_KDATA_INSTANCE0_MINISRC; 1125 sc->msrc_list.max = ESA_MAX_INSTANCE_MINISRC; 1126 1127 /* initialize index maps */ 1128 for (i = 0; i < ESA_NUM_VOICES * 2; i++) { 1129 sc->mixer_list.indexmap[i] = -1; 1130 sc->msrc_list.indexmap[i] = -1; 1131 sc->dma_list.indexmap[i] = -1; 1132 sc->adc1_list.indexmap[i] = -1; 1133 } 1134 for (i = 0; i < ESA_NUM_VOICES; i++) { 1135 sc->voice[i].parent = (struct device *)sc; 1136 sc->voice[i].index = i; 1137 sc->sc_audiodev[i] = 1138 audio_attach_mi(&esa_hw_if, &sc->voice[i], &sc->sc_dev); 1139 } 1140 1141 sc->powerhook = powerhook_establish(esa_powerhook, sc); 1142 if (sc->powerhook == NULL) 1143 aprint_error("%s: WARNING: unable to establish powerhook\n", 1144 sc->sc_dev.dv_xname); 1145 1146 return; 1147} 1148 1149int 1150esa_detach(struct device *self, int flags) 1151{ 1152 struct esa_softc *sc = (struct esa_softc *)self; 1153 int i; 1154 1155 for (i = 0; i < ESA_NUM_VOICES; i++) { 1156 if (sc->sc_audiodev[i] != NULL) 1157 config_detach(sc->sc_audiodev[i], flags); 1158 } 1159 1160 if (sc->sc_ih != NULL) 1161 pci_intr_disestablish(sc->sc_pct, sc->sc_ih); 1162 if (sc->sc_ios) 1163 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1164 1165 free(sc->savemem, M_DEVBUF); 1166 1167 return (0); 1168} 1169 1170u_int16_t 1171esa_read_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index) 1172{ 1173 u_int16_t data; 1174 bus_space_tag_t iot = sc->sc_iot; 1175 bus_space_handle_t ioh = sc->sc_ioh; 1176 1177 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1178 region & ESA_MEMTYPE_MASK); 1179 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1180 data = bus_space_read_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA); 1181 1182 return (data); 1183} 1184 1185void 1186esa_write_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index, 1187 u_int16_t data) 1188{ 1189 bus_space_tag_t iot = sc->sc_iot; 1190 bus_space_handle_t ioh = sc->sc_ioh; 1191 1192 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1193 region & ESA_MEMTYPE_MASK); 1194 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1195 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA, data); 1196 1197 return; 1198} 1199 1200int 1201esa_init_codec(struct esa_softc *sc) 1202{ 1203 bus_space_tag_t iot = sc->sc_iot; 1204 bus_space_handle_t ioh = sc->sc_ioh; 1205 u_int32_t data; 1206 1207 data = bus_space_read_1(iot, ioh, ESA_CODEC_COMMAND); 1208 1209 return ((data & 0x1) ? 0 : 1); 1210} 1211 1212int 1213esa_attach_codec(void *aux, struct ac97_codec_if *codec_if) 1214{ 1215 struct esa_softc *sc = aux; 1216 1217 sc->codec_if = codec_if; 1218 1219 return (0); 1220} 1221 1222int 1223esa_read_codec(void *aux, u_int8_t reg, u_int16_t *result) 1224{ 1225 struct esa_softc *sc = aux; 1226 bus_space_tag_t iot = sc->sc_iot; 1227 bus_space_handle_t ioh = sc->sc_ioh; 1228 1229 if (esa_wait(sc)) 1230 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1231 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, (reg & 0x7f) | 0x80); 1232 delay(50); 1233 if (esa_wait(sc)) 1234 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1235 *result = bus_space_read_2(iot, ioh, ESA_CODEC_DATA); 1236 1237 return (0); 1238} 1239 1240int 1241esa_write_codec(void *aux, u_int8_t reg, u_int16_t data) 1242{ 1243 struct esa_softc *sc = aux; 1244 bus_space_tag_t iot = sc->sc_iot; 1245 bus_space_handle_t ioh = sc->sc_ioh; 1246 1247 if (esa_wait(sc)) { 1248 printf("%s: esa_write_codec: timed out\n", sc->sc_dev.dv_xname); 1249 return (-1); 1250 } 1251 bus_space_write_2(iot, ioh, ESA_CODEC_DATA, data); 1252 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, reg & 0x7f); 1253 delay(50); 1254 1255 return (0); 1256} 1257 1258void 1259esa_reset_codec(void *aux) 1260{ 1261 1262 return; 1263} 1264 1265enum ac97_host_flags 1266esa_flags_codec(void *aux) 1267{ 1268 struct esa_softc *sc = aux; 1269 1270 return (sc->codec_flags); 1271} 1272 1273int 1274esa_wait(struct esa_softc *sc) 1275{ 1276 int i, val; 1277 bus_space_tag_t iot = sc->sc_iot; 1278 bus_space_handle_t ioh = sc->sc_ioh; 1279 1280 for (i = 0; i < 20; i++) { 1281 val = bus_space_read_1(iot, ioh, ESA_CODEC_STATUS); 1282 if ((val & 1) == 0) 1283 return (0); 1284 delay(2); 1285 } 1286 1287 return (-1); 1288} 1289 1290int 1291esa_init(struct esa_softc *sc) 1292{ 1293 struct esa_voice *vc; 1294 bus_space_tag_t iot = sc->sc_iot; 1295 bus_space_handle_t ioh = sc->sc_ioh; 1296 pcitag_t tag = sc->sc_tag; 1297 pci_chipset_tag_t pc = sc->sc_pct; 1298 u_int32_t data, i, size; 1299 u_int8_t reset_state; 1300 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 1301 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 1302 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 1303 &~ 255; 1304 1305 /* Disable legacy emulation */ 1306 data = pci_conf_read(pc, tag, PCI_LEGACY_AUDIO_CTRL); 1307 data |= DISABLE_LEGACY; 1308 pci_conf_write(pc, tag, PCI_LEGACY_AUDIO_CTRL, data); 1309 1310 esa_config(sc); 1311 1312 reset_state = esa_assp_halt(sc); 1313 1314 esa_init_codec(sc); 1315 esa_codec_reset(sc); 1316 1317 /* Zero kernel and mixer data */ 1318 size = ESA_REV_B_DATA_MEMORY_UNIT_LENGTH * ESA_NUM_UNITS_KERNEL_DATA; 1319 for (i = 0; i < size / 2; i++) { 1320 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1321 ESA_KDATA_BASE_ADDR + i, 0); 1322 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1323 ESA_KDATA_BASE_ADDR2 + i, 0); 1324 } 1325 1326 /* Init DMA pointer */ 1327 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_CURRENT_DMA, 1328 ESA_KDATA_DMA_XFER0); 1329 1330 /* Write kernel code into memory */ 1331 size = sizeof(esa_assp_kernel_image); 1332 for (i = 0; i < size / 2; i++) 1333 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1334 ESA_REV_B_CODE_MEMORY_BEGIN + i, esa_assp_kernel_image[i]); 1335 1336 size = sizeof(esa_assp_minisrc_image); 1337 for (i = 0; i < size / 2; i++) 1338 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 0x400 + i, 1339 esa_assp_minisrc_image[i]); 1340 1341 /* Write the coefficients for the low pass filter */ 1342 size = sizeof(esa_minisrc_lpf_image); 1343 for (i = 0; i < size / 2; i++) 1344 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1345 0x400 + ESA_MINISRC_COEF_LOC + i, esa_minisrc_lpf_image[i]); 1346 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1347 0x400 + ESA_MINISRC_COEF_LOC + size, 0x8000); 1348 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TASK0, 0x400); 1349 /* Init the mixer number */ 1350 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1351 ESA_KDATA_MIXER_TASK_NUMBER, 0); 1352 /* Extreme kernel master volume */ 1353 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1354 ESA_KDATA_DAC_LEFT_VOLUME, ESA_ARB_VOLUME); 1355 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1356 ESA_KDATA_DAC_RIGHT_VOLUME, ESA_ARB_VOLUME); 1357 1358 if (esa_amp_enable(sc)) 1359 return (-1); 1360 1361 /* Zero entire DAC/ADC area */ 1362 for (i = 0x1100; i < 0x1c00; i++) 1363 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 0); 1364 1365 /* set some sane defaults */ 1366 for (i = 0; i < ESA_NUM_VOICES; i++) { 1367 vc = &sc->voice[i]; 1368 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * i); 1369 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * i * 2); 1370 } 1371 1372 esa_enable_interrupts(sc); 1373 1374 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1375 reset_state | ESA_REGB_ENABLE_RESET); 1376 1377 return (0); 1378} 1379 1380void 1381esa_config(struct esa_softc *sc) 1382{ 1383 bus_space_tag_t iot = sc->sc_iot; 1384 bus_space_handle_t ioh = sc->sc_ioh; 1385 pcitag_t tag = sc->sc_tag; 1386 pci_chipset_tag_t pc = sc->sc_pct; 1387 u_int32_t data; 1388 1389 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1390 data &= ESA_REDUCED_DEBOUNCE; 1391 data |= ESA_PM_CTRL_ENABLE | ESA_CLK_DIV_BY_49 | ESA_USE_PCI_TIMING; 1392 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1393 1394 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RESET_ASSP); 1395 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1396 data &= ~ESA_INT_CLK_SELECT; 1397 if (sc->type == ESS_MAESTRO3) { 1398 data &= ~ESA_INT_CLK_MULT_ENABLE; 1399 data |= ESA_INT_CLK_SRC_NOT_PCI; 1400 } 1401 data &= ~(ESA_CLK_MULT_MODE_SELECT | ESA_CLK_MULT_MODE_SELECT_2); 1402 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1403 1404 if (sc->type == ESS_ALLEGRO1) { 1405 data = pci_conf_read(pc, tag, ESA_PCI_USER_CONFIG); 1406 data |= ESA_IN_CLK_12MHZ_SELECT; 1407 pci_conf_write(pc, tag, ESA_PCI_USER_CONFIG, data); 1408 } 1409 1410 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_A); 1411 data &= ~(ESA_DSP_CLK_36MHZ_SELECT | ESA_ASSP_CLK_49MHZ_SELECT); 1412 data |= ESA_ASSP_CLK_49MHZ_SELECT; /* XXX: Assumes 49MHz DSP */ 1413 data |= ESA_ASSP_0_WS_ENABLE; 1414 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_A, data); 1415 1416 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RUN_ASSP); 1417 1418 return; 1419} 1420 1421u_int8_t 1422esa_assp_halt(struct esa_softc *sc) 1423{ 1424 bus_space_tag_t iot = sc->sc_iot; 1425 bus_space_handle_t ioh = sc->sc_ioh; 1426 u_int8_t data, reset_state; 1427 1428 data = bus_space_read_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B); 1429 reset_state = data & ~ESA_REGB_STOP_CLOCK; 1430 delay(10000); /* XXX use tsleep */ 1431 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1432 reset_state & ~ESA_REGB_ENABLE_RESET); 1433 delay(10000); /* XXX use tsleep */ 1434 1435 return (reset_state); 1436} 1437 1438void 1439esa_codec_reset(struct esa_softc *sc) 1440{ 1441 bus_space_tag_t iot = sc->sc_iot; 1442 bus_space_handle_t ioh = sc->sc_ioh; 1443 u_int16_t data, dir; 1444 int retry = 0; 1445 1446 do { 1447 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1448 dir = data | 0x10; /* assuming pci bus master? */ 1449 1450 /* remote codec config */ 1451 data = bus_space_read_2(iot, ioh, ESA_RING_BUS_CTRL_B); 1452 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_B, 1453 data & ~ESA_SECOND_CODEC_ID_MASK); 1454 data = bus_space_read_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL); 1455 bus_space_write_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL, 1456 data & ~ESA_COMMAND_ADDR_OUT); 1457 data = bus_space_read_2(iot, ioh, ESA_SDO_IN_DEST_CTRL); 1458 bus_space_write_2(iot, ioh, ESA_SDO_IN_DEST_CTRL, 1459 data & ~ESA_STATUS_ADDR_IN); 1460 1461 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1462 ESA_IO_SRAM_ENABLE); 1463 delay(20); 1464 1465 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1466 dir & ~ESA_GPO_PRIMARY_AC97); 1467 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, 1468 ~ESA_GPO_PRIMARY_AC97); 1469 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 0); 1470 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1471 dir | ESA_GPO_PRIMARY_AC97); 1472 delay(sc->delay1 * 1000); 1473 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 1474 ESA_GPO_PRIMARY_AC97); 1475 delay(5); 1476 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1477 ESA_IO_SRAM_ENABLE | ESA_SERIAL_AC_LINK_ENABLE); 1478 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1479 delay(sc->delay2 * 1000); 1480 1481 esa_read_codec(sc, 0x7c, &data); 1482 if ((data == 0) || (data == 0xffff)) { 1483 retry++; 1484 if (retry > 3) { 1485 printf("%s: esa_codec_reset: failed\n", 1486 sc->sc_dev.dv_xname); 1487 break; 1488 } 1489 printf("%s: esa_codec_reset: retrying\n", 1490 sc->sc_dev.dv_xname); 1491 } else 1492 retry = 0; 1493 } while (retry); 1494 1495 return; 1496} 1497 1498int 1499esa_amp_enable(struct esa_softc *sc) 1500{ 1501 bus_space_tag_t iot = sc->sc_iot; 1502 bus_space_handle_t ioh = sc->sc_ioh; 1503 u_int32_t gpo, polarity_port, polarity; 1504 u_int16_t data; 1505 1506 switch (sc->type) { 1507 case ESS_ALLEGRO1: 1508 polarity_port = 0x1800; 1509 break; 1510 case ESS_MAESTRO3: 1511 polarity_port = 0x1100; 1512 break; 1513 default: 1514 printf("%s: esa_amp_enable: Unknown chip type!!!\n", 1515 sc->sc_dev.dv_xname); 1516 return (1); 1517 } 1518 1519 gpo = (polarity_port >> 8) & 0x0f; 1520 polarity = polarity_port >> 12; 1521 polarity = !polarity; /* Enable */ 1522 polarity = polarity << gpo; 1523 gpo = 1 << gpo; 1524 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~gpo); 1525 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1526 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, data | gpo); 1527 data = ESA_GPO_SECONDARY_AC97 | ESA_GPO_PRIMARY_AC97 | polarity; 1528 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, data); 1529 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1530 1531 return (0); 1532} 1533 1534void 1535esa_enable_interrupts(struct esa_softc *sc) 1536{ 1537 bus_space_tag_t iot = sc->sc_iot; 1538 bus_space_handle_t ioh = sc->sc_ioh; 1539 u_int8_t data; 1540 1541 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 1542 ESA_ASSP_INT_ENABLE | ESA_HV_INT_ENABLE); 1543 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_C); 1544 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 1545 data | ESA_ASSP_HOST_INT_ENABLE); 1546} 1547 1548/* 1549 * List management 1550 */ 1551int 1552esa_add_list(struct esa_voice *vc, struct esa_list *el, 1553 u_int16_t val, int index) 1554{ 1555 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1556 1557 el->indexmap[index] = el->currlen; 1558 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1559 el->mem_addr + el->currlen, 1560 val); 1561 1562 return (el->currlen++); 1563} 1564 1565void 1566esa_remove_list(struct esa_voice *vc, struct esa_list *el, int index) 1567{ 1568 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1569 u_int16_t val; 1570 int lastindex = el->currlen - 1; 1571 int vindex = el->indexmap[index]; 1572 int i; 1573 1574 /* reset our virtual index */ 1575 el->indexmap[index] = -1; 1576 1577 if (vindex != lastindex) { 1578 val = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1579 el->mem_addr + lastindex); 1580 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1581 el->mem_addr + vindex, 1582 val); 1583 for (i = 0; i < ESA_NUM_VOICES * 2; i++) 1584 if (el->indexmap[i] == lastindex) 1585 break; 1586 if (i >= ESA_NUM_VOICES * 2) 1587 printf("%s: esa_remove_list: invalid task index\n", 1588 sc->sc_dev.dv_xname); 1589 else 1590 el->indexmap[i] = vindex; 1591 } 1592 1593 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1594 el->mem_addr + lastindex, 0); 1595 el->currlen--; 1596 1597 return; 1598} 1599 1600int 1601esa_power(struct esa_softc *sc, int state) 1602{ 1603 pcitag_t tag = sc->sc_tag; 1604 pci_chipset_tag_t pc = sc->sc_pct; 1605 pcireg_t data; 1606 int pmcapreg; 1607 1608 if (pci_get_capability(pc, tag, PCI_CAP_PWRMGMT, &pmcapreg, 0)) { 1609 data = pci_conf_read(pc, tag, pmcapreg + PCI_PMCSR); 1610 if ((data & PCI_PMCSR_STATE_MASK) != state) 1611 pci_conf_write(pc, tag, pmcapreg + PCI_PMCSR, state); 1612 } 1613 1614 return (0); 1615} 1616 1617void 1618esa_powerhook(int why, void *hdl) 1619{ 1620 struct esa_softc *sc = (struct esa_softc *)hdl; 1621 1622 switch (why) { 1623 case PWR_SUSPEND: 1624 case PWR_STANDBY: 1625 esa_suspend(sc); 1626 break; 1627 case PWR_RESUME: 1628 esa_resume(sc); 1629 (sc->codec_if->vtbl->restore_ports)(sc->codec_if); 1630 break; 1631 } 1632} 1633 1634int 1635esa_suspend(struct esa_softc *sc) 1636{ 1637 bus_space_tag_t iot = sc->sc_iot; 1638 bus_space_handle_t ioh = sc->sc_ioh; 1639 int i, index; 1640 1641 index = 0; 1642 1643 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 0); 1644 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 0); 1645 1646 esa_assp_halt(sc); 1647 1648 /* Save ASSP state */ 1649 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1650 i++) 1651 sc->savemem[index++] = esa_read_assp(sc, 1652 ESA_MEMTYPE_INTERNAL_CODE, i); 1653 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1654 i++) 1655 sc->savemem[index++] = esa_read_assp(sc, 1656 ESA_MEMTYPE_INTERNAL_DATA, i); 1657 1658 esa_power(sc, PCI_PMCSR_STATE_D3); 1659 1660 return (0); 1661} 1662 1663int 1664esa_resume(struct esa_softc *sc) { 1665 bus_space_tag_t iot = sc->sc_iot; 1666 bus_space_handle_t ioh = sc->sc_ioh; 1667 int i, index; 1668 u_int8_t reset_state; 1669 1670 index = 0; 1671 1672 esa_power(sc, PCI_PMCSR_STATE_D0); 1673 delay(10000); 1674 1675 esa_config(sc); 1676 1677 reset_state = esa_assp_halt(sc); 1678 1679 esa_codec_reset(sc); 1680 1681 /* restore ASSP */ 1682 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1683 i++) 1684 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, i, 1685 sc->savemem[index++]); 1686 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1687 i++) 1688 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 1689 sc->savemem[index++]); 1690 1691 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_ACTIVE, 0); 1692 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1693 reset_state | ESA_REGB_ENABLE_RESET); 1694 1695 esa_enable_interrupts(sc); 1696 esa_amp_enable(sc); 1697 1698 return (0); 1699} 1700 1701u_int32_t 1702esa_get_pointer(struct esa_softc *sc, struct esa_channel *ch) 1703{ 1704 u_int16_t hi = 0, lo = 0; 1705 u_int32_t addr; 1706 int data_offset = ch->data_offset; 1707 1708 hi = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1709 ESA_CDATA_HOST_SRC_CURRENTH); 1710 lo = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1711 ESA_CDATA_HOST_SRC_CURRENTL); 1712 1713 addr = lo | ((u_int32_t)hi << 16); 1714 return (addr - ch->start); 1715} 1716 1717paddr_t 1718esa_mappage(void *addr, void *mem, off_t off, int prot) 1719{ 1720 struct esa_voice *vc = addr; 1721 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1722 struct esa_dma *p; 1723 1724 if (off < 0) 1725 return (-1); 1726 for (p = vc->dma; p && KERNADDR(p) != mem; p = p->next) 1727 ; 1728 if (!p) 1729 return (-1); 1730 return (bus_dmamem_mmap(sc->sc_dmat, p->segs, p->nsegs, 1731 off, prot, BUS_DMA_WAITOK)); 1732} 1733