esa.c revision 1.21
1/* $NetBSD: esa.c,v 1.21 2003/07/14 15:47:23 lukem 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 1.21 2003/07/14 15:47:23 lukem 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 } 271 272 if (p->sample_rate < ESA_MINRATE || 273 p->sample_rate > ESA_MAXRATE || 274 (p->precision != 8 && p->precision != 16) || 275 (p->channels < 1 && p->channels > 2)) 276 return (EINVAL); 277 278 p->factor = 1; 279 p->sw_code = 0; 280 281 switch(p->encoding) { 282 case AUDIO_ENCODING_SLINEAR_BE: 283 if (p->precision == 16) 284 p->sw_code = swap_bytes; 285 else 286 p->sw_code = change_sign8; 287 break; 288 case AUDIO_ENCODING_SLINEAR_LE: 289 if (p->precision != 16) 290 p->sw_code = change_sign8; 291 break; 292 case AUDIO_ENCODING_ULINEAR_BE: 293 if (p->precision == 16) { 294 if (mode == AUMODE_PLAY) 295 p->sw_code = 296 swap_bytes_change_sign16_le; 297 else 298 p->sw_code = 299 change_sign16_swap_bytes_le; 300 } 301 break; 302 case AUDIO_ENCODING_ULINEAR_LE: 303 if (p->precision == 16) 304 p->sw_code = change_sign16_le; 305 break; 306 case AUDIO_ENCODING_ULAW: 307 if (mode == AUMODE_PLAY) { 308 p->factor = 2; 309 p->sw_code = mulaw_to_slinear16_le; 310 } else 311 p->sw_code = ulinear8_to_mulaw; 312 break; 313 case AUDIO_ENCODING_ALAW: 314 if (mode == AUMODE_PLAY) { 315 p->factor = 2; 316 p->sw_code = alaw_to_slinear16_le; 317 } else 318 p->sw_code = ulinear8_to_alaw; 319 break; 320 default: 321 return (EINVAL); 322 } 323 324 ch->mode = *p; 325 } 326 327 return (0); 328} 329 330int 331esa_commit_settings(void *hdl) 332{ 333 struct esa_voice *vc = hdl; 334 struct esa_softc *sc = (struct esa_softc *)vc->parent; 335 struct audio_params *p = &vc->play.mode; 336 struct audio_params *r = &vc->rec.mode; 337 u_int32_t data; 338 u_int32_t freq; 339 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 340 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 341 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 342 &~ 255; 343 344 /* playback */ 345 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * vc->index); 346 if (p->channels == 1) 347 data = 1; 348 else 349 data = 0; 350 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 351 vc->play.data_offset + ESA_SRC3_MODE_OFFSET, 352 data); 353 if (p->precision * p->factor == 8) 354 data = 1; 355 else 356 data = 0; 357 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 358 vc->play.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET, 359 data); 360 if ((freq = ((p->sample_rate << 15) + 24000) / 48000) != 0) { 361 freq--; 362 } 363 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 364 vc->play.data_offset + ESA_CDATA_FREQUENCY, freq); 365 366 /* recording */ 367 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * vc->index) + 368 (data_bytes / 2); 369 if (r->channels == 1) 370 data = 1; 371 else 372 data = 0; 373 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 374 vc->rec.data_offset + ESA_SRC3_MODE_OFFSET, 375 data); 376 if (r->precision * r->factor == 8) 377 data = 1; 378 else 379 data = 0; 380 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 381 vc->rec.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET, 382 data); 383 if ((freq = ((r->sample_rate << 15) + 24000) / 48000) != 0) { 384 freq--; 385 } 386 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 387 vc->rec.data_offset + ESA_CDATA_FREQUENCY, freq); 388 389 return (0); 390}; 391 392int 393esa_round_blocksize(void *hdl, int bs) 394{ 395 struct esa_voice *vc = hdl; 396 397 /* 398 * Surely there has to be a better solution... 399 */ 400 vc->play.blksize = vc->rec.blksize = 4096; 401 402 return (vc->play.blksize); 403} 404 405int 406esa_halt_output(void *hdl) 407{ 408 struct esa_voice *vc = hdl; 409 struct esa_softc *sc = (struct esa_softc *)vc->parent; 410 bus_space_tag_t iot = sc->sc_iot; 411 bus_space_handle_t ioh = sc->sc_ioh; 412 u_int16_t data; 413 414 if (vc->play.active == 0) 415 return (0); 416 417 vc->play.active = 0; 418 419 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 420 ESA_CDATA_INSTANCE_READY + vc->play.data_offset, 0); 421 422 sc->sc_ntimers--; 423 if (sc->sc_ntimers == 0) { 424 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 425 ESA_KDATA_TIMER_COUNT_RELOAD, 0); 426 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 427 ESA_KDATA_TIMER_COUNT_CURRENT, 0); 428 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 429 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 430 data & ~ESA_CLKRUN_GEN_ENABLE); 431 } 432 433 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 434 ESA_KDATA_MIXER_TASK_NUMBER, 435 sc->mixer_list.indexmap[vc->index]); 436 /* remove ourselves from the packed lists */ 437 esa_remove_list(vc, &sc->mixer_list, vc->index); 438 esa_remove_list(vc, &sc->dma_list, vc->index); 439 esa_remove_list(vc, &sc->msrc_list, vc->index); 440 441 return (0); 442} 443 444int 445esa_halt_input(void *hdl) 446{ 447 struct esa_voice *vc = hdl; 448 struct esa_softc *sc = (struct esa_softc *)vc->parent; 449 bus_space_tag_t iot = sc->sc_iot; 450 bus_space_handle_t ioh = sc->sc_ioh; 451 u_int32_t data; 452 453 if (vc->rec.active == 0) 454 return (0); 455 456 vc->rec.active = 0; 457 458 sc->sc_ntimers--; 459 if (sc->sc_ntimers == 0) { 460 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 461 ESA_KDATA_TIMER_COUNT_RELOAD, 0); 462 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 463 ESA_KDATA_TIMER_COUNT_CURRENT, 0); 464 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 465 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 466 data & ~ESA_CLKRUN_GEN_ENABLE); 467 } 468 469 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, vc->rec.data_offset + 470 ESA_CDATA_INSTANCE_READY, 0); 471 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 472 0); 473 474 /* remove ourselves from the packed lists */ 475 esa_remove_list(vc, &sc->adc1_list, vc->index + ESA_NUM_VOICES); 476 esa_remove_list(vc, &sc->dma_list, vc->index + ESA_NUM_VOICES); 477 esa_remove_list(vc, &sc->msrc_list, vc->index + ESA_NUM_VOICES); 478 479 return (0); 480} 481 482void * 483esa_malloc(void *hdl, int direction, size_t size, struct malloc_type *type, 484 int flags) 485{ 486 struct esa_voice *vc = hdl; 487 struct esa_softc *sc = (struct esa_softc *)vc->parent; 488 struct esa_dma *p; 489 int error; 490 491 p = malloc(sizeof(*p), type, flags); 492 if (!p) 493 return (0); 494 error = esa_allocmem(sc, size, 16, p); 495 if (error) { 496 free(p, type); 497 printf("%s: esa_malloc: not enough memory\n", 498 sc->sc_dev.dv_xname); 499 return (0); 500 } 501 p->next = vc->dma; 502 vc->dma = p; 503 504 return (KERNADDR(p)); 505} 506 507void 508esa_free(void *hdl, void *addr, struct malloc_type *type) 509{ 510 struct esa_voice *vc = hdl; 511 struct esa_softc *sc = (struct esa_softc *)vc->parent; 512 struct esa_dma *p; 513 struct esa_dma **pp; 514 515 for (pp = &vc->dma; (p = *pp) != NULL; pp = &p->next) 516 if (KERNADDR(p) == addr) { 517 esa_freemem(sc, p); 518 *pp = p->next; 519 free(p, type); 520 return; 521 } 522} 523 524int 525esa_getdev(void *hdl, struct audio_device *ret) 526{ 527 528 *ret = esa_device; 529 530 return (0); 531} 532 533int 534esa_set_port(void *hdl, mixer_ctrl_t *mc) 535{ 536 struct esa_voice *vc = hdl; 537 struct esa_softc *sc = (struct esa_softc *)vc->parent; 538 539 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, mc)); 540} 541 542int 543esa_get_port(void *hdl, mixer_ctrl_t *mc) 544{ 545 struct esa_voice *vc = hdl; 546 struct esa_softc *sc = (struct esa_softc *)vc->parent; 547 548 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, mc)); 549} 550 551int 552esa_query_devinfo(void *hdl, mixer_devinfo_t *di) 553{ 554 struct esa_voice *vc = hdl; 555 struct esa_softc *sc = (struct esa_softc *)vc->parent; 556 557 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, di)); 558} 559 560size_t 561esa_round_buffersize(void *hdl, int direction, size_t bufsize) 562{ 563 struct esa_voice *vc = hdl; 564 565 /* 566 * We must be able to do better than this... 567 */ 568 vc->play.bufsize = vc->rec.bufsize = 65536; 569 570 return (vc->play.bufsize); 571} 572 573int 574esa_get_props(void *hdl) 575{ 576 577 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX); 578} 579 580int 581esa_trigger_output(void *hdl, void *start, void *end, int blksize, 582 void (*intr)(void *), void *intrarg, 583 struct audio_params *param) 584{ 585 struct esa_voice *vc = hdl; 586 struct esa_softc *sc = (struct esa_softc *)vc->parent; 587 struct esa_dma *p; 588 bus_space_tag_t iot = sc->sc_iot; 589 bus_space_handle_t ioh = sc->sc_ioh; 590 u_int32_t data; 591 u_int32_t bufaddr; 592 u_int32_t i; 593 size_t size; 594 595 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 596 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 597 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 598 &~ 255; 599 int dac_data = ESA_DAC_DATA + (data_bytes * vc->index); 600 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x20 * 2); 601 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x20 * 2); 602 int dsp_in_buf = dac_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 603 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 604 605 if (vc->play.active) 606 return (EINVAL); 607 608 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) 609 ; 610 if (!p) { 611 printf("%s: esa_trigger_output: bad addr %p\n", 612 sc->sc_dev.dv_xname, start); 613 return (EINVAL); 614 } 615 616 vc->play.active = 1; 617 vc->play.intr = intr; 618 vc->play.arg = intrarg; 619 vc->play.pos = 0; 620 vc->play.count = 0; 621 vc->play.buf = start; 622 size = (size_t)(((caddr_t)end - (caddr_t)start)); 623 bufaddr = DMAADDR(p); 624 vc->play.start = bufaddr; 625 626#define LO(x) ((x) & 0x0000ffff) 627#define HI(x) ((x) >> 16) 628 629 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 630 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 631 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 632 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 633 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 634 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 635 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 636 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 637 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 638 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 639 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 640 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 641 642 /* DSP buffers */ 643 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 644 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 645 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 646 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 647 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 648 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 649 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 650 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 651 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 652 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 653 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 654 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 655 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 656 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 657 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 658 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 659 660 /* Some per-client initializers */ 661 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 662 ESA_SRC3_DIRECTION_OFFSET + 12, dac_data + 40 + 8); 663 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 664 ESA_SRC3_DIRECTION_OFFSET + 19, 0x400 + ESA_MINISRC_COEF_LOC); 665 /* Enable or disable low-pass filter? (0xff if rate > 45000) */ 666 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 667 ESA_SRC3_DIRECTION_OFFSET + 22, 668 vc->play.mode.sample_rate > 45000 ? 0xff : 0); 669 /* Tell it which way DMA is going */ 670 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 671 ESA_CDATA_DMA_CONTROL, 672 ESA_DMACONTROL_AUTOREPEAT + ESA_DMAC_PAGE3_SELECTOR + 673 ESA_DMAC_BLOCKF_SELECTOR); 674 675 /* Set an armload of static initializers */ 676 for (i = 0; i < (sizeof(esa_playvals) / sizeof(esa_playvals[0])); i++) 677 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 678 esa_playvals[i].addr, esa_playvals[i].val); 679 680 /* Put us in the packed task lists */ 681 esa_add_list(vc, &sc->msrc_list, dac_data >> ESA_DP_SHIFT_COUNT, 682 vc->index); 683 esa_add_list(vc, &sc->dma_list, dac_data >> ESA_DP_SHIFT_COUNT, 684 vc->index); 685 esa_add_list(vc, &sc->mixer_list, dac_data >> ESA_DP_SHIFT_COUNT, 686 vc->index); 687#undef LO 688#undef HI 689 690 /* XXX */ 691 //esa_commit_settings(vc); 692 693 sc->sc_ntimers++; 694 695 if (sc->sc_ntimers == 1) { 696 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 697 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 698 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 699 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 700 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 701 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 702 data | ESA_CLKRUN_GEN_ENABLE); 703 } 704 705 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 706 ESA_CDATA_INSTANCE_READY, 1); 707 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 708 ESA_KDATA_MIXER_TASK_NUMBER, 709 sc->mixer_list.indexmap[vc->index]); 710 711 return (0); 712} 713 714int 715esa_trigger_input(void *hdl, void *start, void *end, int blksize, 716 void (*intr)(void *), void *intrarg, 717 struct audio_params *param) 718{ 719 struct esa_voice *vc = hdl; 720 struct esa_softc *sc = (struct esa_softc *)vc->parent; 721 struct esa_dma *p; 722 bus_space_tag_t iot = sc->sc_iot; 723 bus_space_handle_t ioh = sc->sc_ioh; 724 u_int32_t data; 725 u_int32_t bufaddr; 726 u_int32_t i; 727 size_t size; 728 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 729 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 730 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 731 &~ 255; 732 int adc_data = ESA_DAC_DATA + (data_bytes * vc->index) + 733 (data_bytes / 2); 734 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x10 * 2); 735 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x10 * 2); 736 int dsp_in_buf = adc_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 737 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 738 vc->rec.data_offset = adc_data; 739 740 /* We only support 1 recording channel */ 741 if (vc->index > 0) 742 return (ENODEV); 743 744 if (vc->rec.active) 745 return (EINVAL); 746 747 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) 748 ; 749 if (!p) { 750 printf("%s: esa_trigger_input: bad addr %p\n", 751 sc->sc_dev.dv_xname, start); 752 return (EINVAL); 753 } 754 755 vc->rec.active = 1; 756 vc->rec.intr = intr; 757 vc->rec.arg = intrarg; 758 vc->rec.pos = 0; 759 vc->rec.count = 0; 760 vc->rec.buf = start; 761 size = (size_t)(((caddr_t)end - (caddr_t)start)); 762 bufaddr = DMAADDR(p); 763 vc->rec.start = bufaddr; 764 765#define LO(x) ((x) & 0x0000ffff) 766#define HI(x) ((x) >> 16) 767 768 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 769 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 770 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 771 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 772 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 773 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 774 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 775 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 776 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 777 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 778 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 779 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 780 781 /* DSP buffers */ 782 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 783 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 784 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 785 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 786 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 787 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 788 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 789 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 790 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 791 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 792 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 793 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 794 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 795 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 796 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 797 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 798 799 /* Some per-client initializers */ 800 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 801 ESA_SRC3_DIRECTION_OFFSET + 12, adc_data + 40 + 8); 802 /* Tell it which way DMA is going */ 803 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 804 ESA_CDATA_DMA_CONTROL, 805 ESA_DMACONTROL_DIRECTION + ESA_DMACONTROL_AUTOREPEAT + 806 ESA_DMAC_PAGE3_SELECTOR + ESA_DMAC_BLOCKF_SELECTOR); 807 808 /* Set an armload of static initializers */ 809 for (i = 0; i < (sizeof(esa_recvals) / sizeof(esa_recvals[0])); i++) 810 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 811 esa_recvals[i].addr, esa_recvals[i].val); 812 813 /* Put us in the packed task lists */ 814 esa_add_list(vc, &sc->adc1_list, adc_data >> ESA_DP_SHIFT_COUNT, 815 vc->index + ESA_NUM_VOICES); 816 esa_add_list(vc, &sc->msrc_list, adc_data >> ESA_DP_SHIFT_COUNT, 817 vc->index + ESA_NUM_VOICES); 818 esa_add_list(vc, &sc->dma_list, adc_data >> ESA_DP_SHIFT_COUNT, 819 vc->index + ESA_NUM_VOICES); 820#undef LO 821#undef HI 822 823 /* XXX */ 824 //esa_commit_settings(vc); 825 826 sc->sc_ntimers++; 827 if (sc->sc_ntimers == 1) { 828 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 829 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 830 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 831 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 832 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 833 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 834 data | ESA_CLKRUN_GEN_ENABLE); 835 } 836 837 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 838 ESA_CDATA_INSTANCE_READY, 1); 839 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 840 1); 841 842 return (0); 843} 844 845/* Interrupt handler */ 846 847int 848esa_intr(void *hdl) 849{ 850 struct esa_softc *sc = hdl; 851 struct esa_voice *vc; 852 bus_space_tag_t iot = sc->sc_iot; 853 bus_space_handle_t ioh = sc->sc_ioh; 854 u_int8_t status, ctl; 855 u_int32_t pos; 856 u_int32_t diff; 857 u_int32_t play_blksize, play_bufsize; 858 u_int32_t rec_blksize, rec_bufsize; 859 int i; 860 861 status = bus_space_read_1(iot, ioh, ESA_HOST_INT_STATUS); 862 if (status == 0xff) 863 return (0); 864 865 /* ack the interrupt */ 866 bus_space_write_1(iot, ioh, ESA_HOST_INT_STATUS, status); 867 868 if (status & ESA_HV_INT_PENDING) { 869 u_int8_t event; 870 871 printf("%s: hardware volume interrupt\n", sc->sc_dev.dv_xname); 872 event = bus_space_read_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER); 873 switch(event) { 874 case 0x99: 875 case 0xaa: 876 case 0x66: 877 case 0x88: 878 printf("%s: esa_intr: FIXME\n", sc->sc_dev.dv_xname); 879 break; 880 default: 881 printf("%s: unknown hwvol event 0x%02x\n", 882 sc->sc_dev.dv_xname, event); 883 break; 884 } 885 bus_space_write_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER, 0x88); 886 } 887 888 if (status & ESA_ASSP_INT_PENDING) { 889 ctl = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_B); 890 if (!(ctl & ESA_STOP_ASSP_CLOCK)) { 891 ctl = bus_space_read_1(iot, ioh, 892 ESA_ASSP_HOST_INT_STATUS); 893 if (ctl & ESA_DSP2HOST_REQ_TIMER) { 894 bus_space_write_1(iot, ioh, 895 ESA_ASSP_HOST_INT_STATUS, 896 ESA_DSP2HOST_REQ_TIMER); 897 for (i = 0; i < ESA_NUM_VOICES; i++) { 898 vc = &sc->voice[i]; 899 if (vc->play.active) { 900 play_blksize = vc->play.blksize; 901 play_bufsize = vc->play.bufsize; 902 pos = esa_get_pointer(sc, &vc->play) 903 % play_bufsize; 904 diff = (play_bufsize + pos - vc->play.pos) 905 % play_bufsize; 906 vc->play.pos = pos; 907 vc->play.count += diff; 908 while(vc->play.count >= play_blksize) { 909 vc->play.count -= play_blksize; 910 (*vc->play.intr)(vc->play.arg); 911 } 912 } 913 if (vc->rec.active) { 914 rec_blksize = vc->rec.blksize; 915 rec_bufsize = vc->rec.bufsize; 916 pos = esa_get_pointer(sc, &vc->rec) 917 % rec_bufsize; 918 diff = (rec_bufsize + pos - vc->rec.pos) 919 % rec_bufsize; 920 vc->rec.pos = pos; 921 vc->rec.count += diff; 922 while(vc->rec.count >= rec_blksize) { 923 vc->rec.count -= rec_blksize; 924 (*vc->rec.intr)(vc->rec.arg); 925 } 926 } 927 } 928 } 929 } 930 } 931 932 return (1); 933} 934 935int 936esa_allocmem(struct esa_softc *sc, size_t size, size_t align, 937 struct esa_dma *p) 938{ 939 int error; 940 941 p->size = size; 942 error = bus_dmamem_alloc(sc->sc_dmat, p->size, align, 0, 943 p->segs, sizeof(p->segs) / sizeof(p->segs[0]), 944 &p->nsegs, BUS_DMA_NOWAIT); 945 if (error) 946 return (error); 947 948 error = bus_dmamem_map(sc->sc_dmat, p->segs, p->nsegs, p->size, 949 &p->addr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT); 950 if (error) 951 goto free; 952 953 error = bus_dmamap_create(sc->sc_dmat, p->size, 1, p->size, 0, 954 BUS_DMA_NOWAIT, &p->map); 955 if (error) 956 goto unmap; 957 958 error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, p->size, NULL, 959 BUS_DMA_NOWAIT); 960 if (error) 961 goto destroy; 962 963 return (0); 964 965destroy: 966 bus_dmamap_destroy(sc->sc_dmat, p->map); 967unmap: 968 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 969free: 970 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 971 972 return (error); 973} 974 975int 976esa_freemem(struct esa_softc *sc, struct esa_dma *p) 977{ 978 979 bus_dmamap_unload(sc->sc_dmat, p->map); 980 bus_dmamap_destroy(sc->sc_dmat, p->map); 981 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 982 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 983 984 return (0); 985} 986 987/* 988 * Supporting Subroutines 989 */ 990 991int 992esa_match(struct device *dev, struct cfdata *match, void *aux) 993{ 994 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 995 996 switch(PCI_VENDOR(pa->pa_id)) { 997 case PCI_VENDOR_ESSTECH: 998 switch(PCI_PRODUCT(pa->pa_id)) { 999 case PCI_PRODUCT_ESSTECH_ALLEGRO1: 1000 case PCI_PRODUCT_ESSTECH_MAESTRO3: 1001 case PCI_PRODUCT_ESSTECH_MAESTRO3_2: 1002 return (1); 1003 } 1004 } 1005 1006 return (0); 1007} 1008 1009void 1010esa_attach(struct device *parent, struct device *self, void *aux) 1011{ 1012 struct esa_softc *sc = (struct esa_softc *)self; 1013 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 1014 pcitag_t tag = pa->pa_tag; 1015 pci_chipset_tag_t pc = pa->pa_pc; 1016 pci_intr_handle_t ih; 1017 struct esa_card_type *card; 1018 const char *intrstr; 1019 u_int32_t data; 1020 char devinfo[256]; 1021 int revision, len; 1022 int i; 1023 1024 aprint_naive(": Audio controller\n"); 1025 1026 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); 1027 revision = PCI_REVISION(pa->pa_class); 1028 aprint_normal(": %s (rev. 0x%02x)\n", devinfo, revision); 1029 1030 for (card = esa_card_types; card->pci_vendor_id; card++) 1031 if (PCI_VENDOR(pa->pa_id) == card->pci_vendor_id && 1032 PCI_PRODUCT(pa->pa_id) == card->pci_product_id) { 1033 sc->type = card->type; 1034 sc->delay1 = card->delay1; 1035 sc->delay2 = card->delay2; 1036 break; 1037 } 1038 1039 data = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG); 1040 data |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE 1041 | PCI_COMMAND_MASTER_ENABLE); 1042 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, data); 1043 1044 /* Map I/O register */ 1045 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 1046 &sc->sc_iot, &sc->sc_ioh, &sc->sc_iob, &sc->sc_ios)) { 1047 aprint_error("%s: can't map i/o space\n", sc->sc_dev.dv_xname); 1048 return; 1049 } 1050 1051 /* Initialize softc */ 1052 sc->sc_tag = tag; 1053 sc->sc_pct = pc; 1054 sc->sc_dmat = pa->pa_dmat; 1055 1056 /* Map and establish an interrupt */ 1057 if (pci_intr_map(pa, &ih)) { 1058 aprint_error("%s: can't map interrupt\n", sc->sc_dev.dv_xname); 1059 return; 1060 } 1061 intrstr = pci_intr_string(pc, ih); 1062 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, esa_intr, self); 1063 if (sc->sc_ih == NULL) { 1064 aprint_error("%s: can't establish interrupt", 1065 sc->sc_dev.dv_xname); 1066 if (intrstr != NULL) 1067 aprint_normal(" at %s", intrstr); 1068 aprint_normal("\n"); 1069 return; 1070 } 1071 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 1072 1073 /* Power up chip */ 1074 esa_power(sc, PCI_PMCSR_STATE_D0); 1075 1076 /* Init chip */ 1077 if (esa_init(sc) == -1) { 1078 aprint_error("%s: esa_attach: unable to initialize the card\n", 1079 sc->sc_dev.dv_xname); 1080 return; 1081 } 1082 1083 /* create suspend save area */ 1084 len = sizeof(u_int16_t) * (ESA_REV_B_CODE_MEMORY_LENGTH 1085 + ESA_REV_B_DATA_MEMORY_LENGTH + 1); 1086 sc->savemem = (u_int16_t *)malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO); 1087 if (sc->savemem == NULL) { 1088 aprint_error("%s: unable to allocate suspend buffer\n", 1089 sc->sc_dev.dv_xname); 1090 return; 1091 } 1092 1093 /* 1094 * Every card I've seen has had their channels swapped with respect 1095 * to the mixer. Ie: 1096 * $ mixerctl -w outputs.master=0,191 1097 * Would result in the _right_ speaker being turned off. 1098 * 1099 * So, we will swap the left and right mixer channels to compensate 1100 * for this. 1101 */ 1102 sc->codec_flags = AC97_HOST_SWAPPED_CHANNELS; 1103 1104 /* Attach AC97 host interface */ 1105 sc->host_if.arg = self; 1106 sc->host_if.attach = esa_attach_codec; 1107 sc->host_if.read = esa_read_codec; 1108 sc->host_if.write = esa_write_codec; 1109 sc->host_if.reset = esa_reset_codec; 1110 sc->host_if.flags = esa_flags_codec; 1111 1112 if (ac97_attach(&sc->host_if) != 0) 1113 return; 1114 1115 /* initialize list management structures */ 1116 sc->mixer_list.mem_addr = ESA_KDATA_MIXER_XFER0; 1117 sc->mixer_list.max = ESA_MAX_VIRTUAL_MIXER_CHANNELS; 1118 sc->adc1_list.mem_addr = ESA_KDATA_ADC1_XFER0; 1119 sc->adc1_list.max = ESA_MAX_VIRTUAL_ADC1_CHANNELS; 1120 sc->dma_list.mem_addr = ESA_KDATA_DMA_XFER0; 1121 sc->dma_list.max = ESA_MAX_VIRTUAL_DMA_CHANNELS; 1122 sc->msrc_list.mem_addr = ESA_KDATA_INSTANCE0_MINISRC; 1123 sc->msrc_list.max = ESA_MAX_INSTANCE_MINISRC; 1124 1125 /* initialize index maps */ 1126 for (i = 0; i < ESA_NUM_VOICES * 2; i++) { 1127 sc->mixer_list.indexmap[i] = -1; 1128 sc->msrc_list.indexmap[i] = -1; 1129 sc->dma_list.indexmap[i] = -1; 1130 sc->adc1_list.indexmap[i] = -1; 1131 } 1132 for (i = 0; i < ESA_NUM_VOICES; i++) { 1133 sc->voice[i].parent = (struct device *)sc; 1134 sc->voice[i].index = i; 1135 sc->sc_audiodev[i] = 1136 audio_attach_mi(&esa_hw_if, &sc->voice[i], &sc->sc_dev); 1137 } 1138 1139 sc->powerhook = powerhook_establish(esa_powerhook, sc); 1140 if (sc->powerhook == NULL) 1141 aprint_error("%s: WARNING: unable to establish powerhook\n", 1142 sc->sc_dev.dv_xname); 1143 1144 return; 1145} 1146 1147int 1148esa_detach(struct device *self, int flags) 1149{ 1150 struct esa_softc *sc = (struct esa_softc *)self; 1151 int i; 1152 1153 for (i = 0; i < ESA_NUM_VOICES; i++) { 1154 if (sc->sc_audiodev[i] != NULL) 1155 config_detach(sc->sc_audiodev[i], flags); 1156 } 1157 1158 if (sc->sc_ih != NULL) 1159 pci_intr_disestablish(sc->sc_pct, sc->sc_ih); 1160 if (sc->sc_ios) 1161 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1162 1163 free(sc->savemem, M_DEVBUF); 1164 1165 return (0); 1166} 1167 1168u_int16_t 1169esa_read_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index) 1170{ 1171 u_int16_t data; 1172 bus_space_tag_t iot = sc->sc_iot; 1173 bus_space_handle_t ioh = sc->sc_ioh; 1174 1175 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1176 region & ESA_MEMTYPE_MASK); 1177 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1178 data = bus_space_read_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA); 1179 1180 return (data); 1181} 1182 1183void 1184esa_write_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index, 1185 u_int16_t data) 1186{ 1187 bus_space_tag_t iot = sc->sc_iot; 1188 bus_space_handle_t ioh = sc->sc_ioh; 1189 1190 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1191 region & ESA_MEMTYPE_MASK); 1192 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1193 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA, data); 1194 1195 return; 1196} 1197 1198int 1199esa_init_codec(struct esa_softc *sc) 1200{ 1201 bus_space_tag_t iot = sc->sc_iot; 1202 bus_space_handle_t ioh = sc->sc_ioh; 1203 u_int32_t data; 1204 1205 data = bus_space_read_1(iot, ioh, ESA_CODEC_COMMAND); 1206 1207 return ((data & 0x1) ? 0 : 1); 1208} 1209 1210int 1211esa_attach_codec(void *aux, struct ac97_codec_if *codec_if) 1212{ 1213 struct esa_softc *sc = aux; 1214 1215 sc->codec_if = codec_if; 1216 1217 return (0); 1218} 1219 1220int 1221esa_read_codec(void *aux, u_int8_t reg, u_int16_t *result) 1222{ 1223 struct esa_softc *sc = aux; 1224 bus_space_tag_t iot = sc->sc_iot; 1225 bus_space_handle_t ioh = sc->sc_ioh; 1226 1227 if (esa_wait(sc)) 1228 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1229 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, (reg & 0x7f) | 0x80); 1230 delay(50); 1231 if (esa_wait(sc)) 1232 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1233 *result = bus_space_read_2(iot, ioh, ESA_CODEC_DATA); 1234 1235 return (0); 1236} 1237 1238int 1239esa_write_codec(void *aux, u_int8_t reg, u_int16_t data) 1240{ 1241 struct esa_softc *sc = aux; 1242 bus_space_tag_t iot = sc->sc_iot; 1243 bus_space_handle_t ioh = sc->sc_ioh; 1244 1245 if (esa_wait(sc)) { 1246 printf("%s: esa_write_codec: timed out\n", sc->sc_dev.dv_xname); 1247 return (-1); 1248 } 1249 bus_space_write_2(iot, ioh, ESA_CODEC_DATA, data); 1250 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, reg & 0x7f); 1251 delay(50); 1252 1253 return (0); 1254} 1255 1256void 1257esa_reset_codec(void *aux) 1258{ 1259 1260 return; 1261} 1262 1263enum ac97_host_flags 1264esa_flags_codec(void *aux) 1265{ 1266 struct esa_softc *sc = aux; 1267 1268 return (sc->codec_flags); 1269} 1270 1271int 1272esa_wait(struct esa_softc *sc) 1273{ 1274 int i, val; 1275 bus_space_tag_t iot = sc->sc_iot; 1276 bus_space_handle_t ioh = sc->sc_ioh; 1277 1278 for (i = 0; i < 20; i++) { 1279 val = bus_space_read_1(iot, ioh, ESA_CODEC_STATUS); 1280 if ((val & 1) == 0) 1281 return (0); 1282 delay(2); 1283 } 1284 1285 return (-1); 1286} 1287 1288int 1289esa_init(struct esa_softc *sc) 1290{ 1291 struct esa_voice *vc; 1292 bus_space_tag_t iot = sc->sc_iot; 1293 bus_space_handle_t ioh = sc->sc_ioh; 1294 pcitag_t tag = sc->sc_tag; 1295 pci_chipset_tag_t pc = sc->sc_pct; 1296 u_int32_t data, i, size; 1297 u_int8_t reset_state; 1298 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 1299 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 1300 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 1301 &~ 255; 1302 1303 /* Disable legacy emulation */ 1304 data = pci_conf_read(pc, tag, PCI_LEGACY_AUDIO_CTRL); 1305 data |= DISABLE_LEGACY; 1306 pci_conf_write(pc, tag, PCI_LEGACY_AUDIO_CTRL, data); 1307 1308 esa_config(sc); 1309 1310 reset_state = esa_assp_halt(sc); 1311 1312 esa_init_codec(sc); 1313 esa_codec_reset(sc); 1314 1315 /* Zero kernel and mixer data */ 1316 size = ESA_REV_B_DATA_MEMORY_UNIT_LENGTH * ESA_NUM_UNITS_KERNEL_DATA; 1317 for (i = 0; i < size / 2; i++) { 1318 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1319 ESA_KDATA_BASE_ADDR + i, 0); 1320 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1321 ESA_KDATA_BASE_ADDR2 + i, 0); 1322 } 1323 1324 /* Init DMA pointer */ 1325 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_CURRENT_DMA, 1326 ESA_KDATA_DMA_XFER0); 1327 1328 /* Write kernel code into memory */ 1329 size = sizeof(esa_assp_kernel_image); 1330 for (i = 0; i < size / 2; i++) 1331 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1332 ESA_REV_B_CODE_MEMORY_BEGIN + i, esa_assp_kernel_image[i]); 1333 1334 size = sizeof(esa_assp_minisrc_image); 1335 for (i = 0; i < size / 2; i++) 1336 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 0x400 + i, 1337 esa_assp_minisrc_image[i]); 1338 1339 /* Write the coefficients for the low pass filter */ 1340 size = sizeof(esa_minisrc_lpf_image); 1341 for (i = 0; i < size / 2; i++) 1342 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1343 0x400 + ESA_MINISRC_COEF_LOC + i, esa_minisrc_lpf_image[i]); 1344 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1345 0x400 + ESA_MINISRC_COEF_LOC + size, 0x8000); 1346 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TASK0, 0x400); 1347 /* Init the mixer number */ 1348 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1349 ESA_KDATA_MIXER_TASK_NUMBER, 0); 1350 /* Extreme kernel master volume */ 1351 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1352 ESA_KDATA_DAC_LEFT_VOLUME, ESA_ARB_VOLUME); 1353 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1354 ESA_KDATA_DAC_RIGHT_VOLUME, ESA_ARB_VOLUME); 1355 1356 if (esa_amp_enable(sc)) 1357 return (-1); 1358 1359 /* Zero entire DAC/ADC area */ 1360 for (i = 0x1100; i < 0x1c00; i++) 1361 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 0); 1362 1363 /* set some sane defaults */ 1364 for (i = 0; i < ESA_NUM_VOICES; i++) { 1365 vc = &sc->voice[i]; 1366 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * i); 1367 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * i * 2); 1368 } 1369 1370 esa_enable_interrupts(sc); 1371 1372 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1373 reset_state | ESA_REGB_ENABLE_RESET); 1374 1375 return (0); 1376} 1377 1378void 1379esa_config(struct esa_softc *sc) 1380{ 1381 bus_space_tag_t iot = sc->sc_iot; 1382 bus_space_handle_t ioh = sc->sc_ioh; 1383 pcitag_t tag = sc->sc_tag; 1384 pci_chipset_tag_t pc = sc->sc_pct; 1385 u_int32_t data; 1386 1387 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1388 data &= ESA_REDUCED_DEBOUNCE; 1389 data |= ESA_PM_CTRL_ENABLE | ESA_CLK_DIV_BY_49 | ESA_USE_PCI_TIMING; 1390 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1391 1392 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RESET_ASSP); 1393 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1394 data &= ~ESA_INT_CLK_SELECT; 1395 if (sc->type == ESS_MAESTRO3) { 1396 data &= ~ESA_INT_CLK_MULT_ENABLE; 1397 data |= ESA_INT_CLK_SRC_NOT_PCI; 1398 } 1399 data &= ~(ESA_CLK_MULT_MODE_SELECT | ESA_CLK_MULT_MODE_SELECT_2); 1400 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1401 1402 if (sc->type == ESS_ALLEGRO1) { 1403 data = pci_conf_read(pc, tag, ESA_PCI_USER_CONFIG); 1404 data |= ESA_IN_CLK_12MHZ_SELECT; 1405 pci_conf_write(pc, tag, ESA_PCI_USER_CONFIG, data); 1406 } 1407 1408 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_A); 1409 data &= ~(ESA_DSP_CLK_36MHZ_SELECT | ESA_ASSP_CLK_49MHZ_SELECT); 1410 data |= ESA_ASSP_CLK_49MHZ_SELECT; /* XXX: Assumes 49MHz DSP */ 1411 data |= ESA_ASSP_0_WS_ENABLE; 1412 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_A, data); 1413 1414 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RUN_ASSP); 1415 1416 return; 1417} 1418 1419u_int8_t 1420esa_assp_halt(struct esa_softc *sc) 1421{ 1422 bus_space_tag_t iot = sc->sc_iot; 1423 bus_space_handle_t ioh = sc->sc_ioh; 1424 u_int8_t data, reset_state; 1425 1426 data = bus_space_read_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B); 1427 reset_state = data & ~ESA_REGB_STOP_CLOCK; 1428 delay(10000); /* XXX use tsleep */ 1429 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1430 reset_state & ~ESA_REGB_ENABLE_RESET); 1431 delay(10000); /* XXX use tsleep */ 1432 1433 return (reset_state); 1434} 1435 1436void 1437esa_codec_reset(struct esa_softc *sc) 1438{ 1439 bus_space_tag_t iot = sc->sc_iot; 1440 bus_space_handle_t ioh = sc->sc_ioh; 1441 u_int16_t data, dir; 1442 int retry = 0; 1443 1444 do { 1445 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1446 dir = data | 0x10; /* assuming pci bus master? */ 1447 1448 /* remote codec config */ 1449 data = bus_space_read_2(iot, ioh, ESA_RING_BUS_CTRL_B); 1450 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_B, 1451 data & ~ESA_SECOND_CODEC_ID_MASK); 1452 data = bus_space_read_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL); 1453 bus_space_write_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL, 1454 data & ~ESA_COMMAND_ADDR_OUT); 1455 data = bus_space_read_2(iot, ioh, ESA_SDO_IN_DEST_CTRL); 1456 bus_space_write_2(iot, ioh, ESA_SDO_IN_DEST_CTRL, 1457 data & ~ESA_STATUS_ADDR_IN); 1458 1459 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1460 ESA_IO_SRAM_ENABLE); 1461 delay(20); 1462 1463 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1464 dir & ~ESA_GPO_PRIMARY_AC97); 1465 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, 1466 ~ESA_GPO_PRIMARY_AC97); 1467 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 0); 1468 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1469 dir | ESA_GPO_PRIMARY_AC97); 1470 delay(sc->delay1 * 1000); 1471 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 1472 ESA_GPO_PRIMARY_AC97); 1473 delay(5); 1474 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1475 ESA_IO_SRAM_ENABLE | ESA_SERIAL_AC_LINK_ENABLE); 1476 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1477 delay(sc->delay2 * 1000); 1478 1479 esa_read_codec(sc, 0x7c, &data); 1480 if ((data == 0) || (data == 0xffff)) { 1481 retry++; 1482 if (retry > 3) { 1483 printf("%s: esa_codec_reset: failed\n", 1484 sc->sc_dev.dv_xname); 1485 break; 1486 } 1487 printf("%s: esa_codec_reset: retrying\n", 1488 sc->sc_dev.dv_xname); 1489 } else 1490 retry = 0; 1491 } while (retry); 1492 1493 return; 1494} 1495 1496int 1497esa_amp_enable(struct esa_softc *sc) 1498{ 1499 bus_space_tag_t iot = sc->sc_iot; 1500 bus_space_handle_t ioh = sc->sc_ioh; 1501 u_int32_t gpo, polarity_port, polarity; 1502 u_int16_t data; 1503 1504 switch (sc->type) { 1505 case ESS_ALLEGRO1: 1506 polarity_port = 0x1800; 1507 break; 1508 case ESS_MAESTRO3: 1509 polarity_port = 0x1100; 1510 break; 1511 default: 1512 printf("%s: esa_amp_enable: Unknown chip type!!!\n", 1513 sc->sc_dev.dv_xname); 1514 return (1); 1515 } 1516 1517 gpo = (polarity_port >> 8) & 0x0f; 1518 polarity = polarity_port >> 12; 1519 polarity = !polarity; /* Enable */ 1520 polarity = polarity << gpo; 1521 gpo = 1 << gpo; 1522 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~gpo); 1523 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1524 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, data | gpo); 1525 data = ESA_GPO_SECONDARY_AC97 | ESA_GPO_PRIMARY_AC97 | polarity; 1526 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, data); 1527 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1528 1529 return (0); 1530} 1531 1532void 1533esa_enable_interrupts(struct esa_softc *sc) 1534{ 1535 bus_space_tag_t iot = sc->sc_iot; 1536 bus_space_handle_t ioh = sc->sc_ioh; 1537 u_int8_t data; 1538 1539 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 1540 ESA_ASSP_INT_ENABLE | ESA_HV_INT_ENABLE); 1541 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_C); 1542 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 1543 data | ESA_ASSP_HOST_INT_ENABLE); 1544} 1545 1546/* 1547 * List management 1548 */ 1549int 1550esa_add_list(struct esa_voice *vc, struct esa_list *el, 1551 u_int16_t val, int index) 1552{ 1553 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1554 1555 el->indexmap[index] = el->currlen; 1556 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1557 el->mem_addr + el->currlen, 1558 val); 1559 1560 return (el->currlen++); 1561} 1562 1563void 1564esa_remove_list(struct esa_voice *vc, struct esa_list *el, int index) 1565{ 1566 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1567 u_int16_t val; 1568 int lastindex = el->currlen - 1; 1569 int vindex = el->indexmap[index]; 1570 int i; 1571 1572 /* reset our virtual index */ 1573 el->indexmap[index] = -1; 1574 1575 if (vindex != lastindex) { 1576 val = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1577 el->mem_addr + lastindex); 1578 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1579 el->mem_addr + vindex, 1580 val); 1581 for (i = 0; i < ESA_NUM_VOICES * 2; i++) 1582 if (el->indexmap[i] == lastindex) 1583 break; 1584 if (i >= ESA_NUM_VOICES * 2) 1585 printf("%s: esa_remove_list: invalid task index\n", 1586 sc->sc_dev.dv_xname); 1587 else 1588 el->indexmap[i] = vindex; 1589 } 1590 1591 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1592 el->mem_addr + lastindex, 0); 1593 el->currlen--; 1594 1595 return; 1596} 1597 1598int 1599esa_power(struct esa_softc *sc, int state) 1600{ 1601 pcitag_t tag = sc->sc_tag; 1602 pci_chipset_tag_t pc = sc->sc_pct; 1603 pcireg_t data; 1604 int pmcapreg; 1605 1606 if (pci_get_capability(pc, tag, PCI_CAP_PWRMGMT, &pmcapreg, 0)) { 1607 data = pci_conf_read(pc, tag, pmcapreg + PCI_PMCSR); 1608 if ((data & PCI_PMCSR_STATE_MASK) != state) 1609 pci_conf_write(pc, tag, pmcapreg + PCI_PMCSR, state); 1610 } 1611 1612 return (0); 1613} 1614 1615void 1616esa_powerhook(int why, void *hdl) 1617{ 1618 struct esa_softc *sc = (struct esa_softc *)hdl; 1619 1620 switch (why) { 1621 case PWR_SUSPEND: 1622 case PWR_STANDBY: 1623 esa_suspend(sc); 1624 break; 1625 case PWR_RESUME: 1626 esa_resume(sc); 1627 (sc->codec_if->vtbl->restore_ports)(sc->codec_if); 1628 break; 1629 } 1630} 1631 1632int 1633esa_suspend(struct esa_softc *sc) 1634{ 1635 bus_space_tag_t iot = sc->sc_iot; 1636 bus_space_handle_t ioh = sc->sc_ioh; 1637 int i, index; 1638 1639 index = 0; 1640 1641 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 0); 1642 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 0); 1643 1644 esa_assp_halt(sc); 1645 1646 /* Save ASSP state */ 1647 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1648 i++) 1649 sc->savemem[index++] = esa_read_assp(sc, 1650 ESA_MEMTYPE_INTERNAL_CODE, i); 1651 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1652 i++) 1653 sc->savemem[index++] = esa_read_assp(sc, 1654 ESA_MEMTYPE_INTERNAL_DATA, i); 1655 1656 esa_power(sc, PCI_PMCSR_STATE_D3); 1657 1658 return (0); 1659} 1660 1661int 1662esa_resume(struct esa_softc *sc) { 1663 bus_space_tag_t iot = sc->sc_iot; 1664 bus_space_handle_t ioh = sc->sc_ioh; 1665 int i, index; 1666 u_int8_t reset_state; 1667 1668 index = 0; 1669 1670 esa_power(sc, PCI_PMCSR_STATE_D0); 1671 delay(10000); 1672 1673 esa_config(sc); 1674 1675 reset_state = esa_assp_halt(sc); 1676 1677 esa_codec_reset(sc); 1678 1679 /* restore ASSP */ 1680 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1681 i++) 1682 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, i, 1683 sc->savemem[index++]); 1684 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1685 i++) 1686 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 1687 sc->savemem[index++]); 1688 1689 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_ACTIVE, 0); 1690 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1691 reset_state | ESA_REGB_ENABLE_RESET); 1692 1693 esa_enable_interrupts(sc); 1694 esa_amp_enable(sc); 1695 1696 return (0); 1697} 1698 1699u_int32_t 1700esa_get_pointer(struct esa_softc *sc, struct esa_channel *ch) 1701{ 1702 u_int16_t hi = 0, lo = 0; 1703 u_int32_t addr; 1704 int data_offset = ch->data_offset; 1705 1706 hi = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1707 ESA_CDATA_HOST_SRC_CURRENTH); 1708 lo = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1709 ESA_CDATA_HOST_SRC_CURRENTL); 1710 1711 addr = lo | ((u_int32_t)hi << 16); 1712 return (addr - ch->start); 1713} 1714 1715paddr_t 1716esa_mappage(void *addr, void *mem, off_t off, int prot) 1717{ 1718 struct esa_voice *vc = addr; 1719 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1720 struct esa_dma *p; 1721 1722 if (off < 0) 1723 return (-1); 1724 for (p = vc->dma; p && KERNADDR(p) != mem; p = p->next) 1725 ; 1726 if (!p) 1727 return (-1); 1728 return (bus_dmamem_mmap(sc->sc_dmat, p->segs, p->nsegs, 1729 off, prot, BUS_DMA_WAITOK)); 1730} 1731