esa.c revision 1.24
1/* $NetBSD: esa.c,v 1.24 2004/07/21 07:36:18 scw 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 1.24 2004/07/21 07:36:18 scw 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{ 397 398 return (bs & ~0x20); /* Be conservative; align to 32 bytes */ 399} 400 401int 402esa_halt_output(void *hdl) 403{ 404 struct esa_voice *vc = hdl; 405 struct esa_softc *sc = (struct esa_softc *)vc->parent; 406 bus_space_tag_t iot = sc->sc_iot; 407 bus_space_handle_t ioh = sc->sc_ioh; 408 u_int16_t data; 409 410 if (vc->play.active == 0) 411 return (0); 412 413 vc->play.active = 0; 414 415 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 416 ESA_CDATA_INSTANCE_READY + vc->play.data_offset, 0); 417 418 sc->sc_ntimers--; 419 if (sc->sc_ntimers == 0) { 420 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 421 ESA_KDATA_TIMER_COUNT_RELOAD, 0); 422 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 423 ESA_KDATA_TIMER_COUNT_CURRENT, 0); 424 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 425 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 426 data & ~ESA_CLKRUN_GEN_ENABLE); 427 } 428 429 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 430 ESA_KDATA_MIXER_TASK_NUMBER, 431 sc->mixer_list.indexmap[vc->index]); 432 /* remove ourselves from the packed lists */ 433 esa_remove_list(vc, &sc->mixer_list, vc->index); 434 esa_remove_list(vc, &sc->dma_list, vc->index); 435 esa_remove_list(vc, &sc->msrc_list, vc->index); 436 437 return (0); 438} 439 440int 441esa_halt_input(void *hdl) 442{ 443 struct esa_voice *vc = hdl; 444 struct esa_softc *sc = (struct esa_softc *)vc->parent; 445 bus_space_tag_t iot = sc->sc_iot; 446 bus_space_handle_t ioh = sc->sc_ioh; 447 u_int32_t data; 448 449 if (vc->rec.active == 0) 450 return (0); 451 452 vc->rec.active = 0; 453 454 sc->sc_ntimers--; 455 if (sc->sc_ntimers == 0) { 456 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 457 ESA_KDATA_TIMER_COUNT_RELOAD, 0); 458 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 459 ESA_KDATA_TIMER_COUNT_CURRENT, 0); 460 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 461 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 462 data & ~ESA_CLKRUN_GEN_ENABLE); 463 } 464 465 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, vc->rec.data_offset + 466 ESA_CDATA_INSTANCE_READY, 0); 467 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 468 0); 469 470 /* remove ourselves from the packed lists */ 471 esa_remove_list(vc, &sc->adc1_list, vc->index + ESA_NUM_VOICES); 472 esa_remove_list(vc, &sc->dma_list, vc->index + ESA_NUM_VOICES); 473 esa_remove_list(vc, &sc->msrc_list, vc->index + ESA_NUM_VOICES); 474 475 return (0); 476} 477 478void * 479esa_malloc(void *hdl, int direction, size_t size, struct malloc_type *type, 480 int flags) 481{ 482 struct esa_voice *vc = hdl; 483 struct esa_softc *sc = (struct esa_softc *)vc->parent; 484 struct esa_dma *p; 485 int error; 486 487 p = malloc(sizeof(*p), type, flags); 488 if (!p) 489 return (0); 490 error = esa_allocmem(sc, size, 16, p); 491 if (error) { 492 free(p, type); 493 printf("%s: esa_malloc: not enough memory\n", 494 sc->sc_dev.dv_xname); 495 return (0); 496 } 497 p->next = vc->dma; 498 vc->dma = p; 499 500 return (KERNADDR(p)); 501} 502 503void 504esa_free(void *hdl, void *addr, struct malloc_type *type) 505{ 506 struct esa_voice *vc = hdl; 507 struct esa_softc *sc = (struct esa_softc *)vc->parent; 508 struct esa_dma *p; 509 struct esa_dma **pp; 510 511 for (pp = &vc->dma; (p = *pp) != NULL; pp = &p->next) 512 if (KERNADDR(p) == addr) { 513 esa_freemem(sc, p); 514 *pp = p->next; 515 free(p, type); 516 return; 517 } 518} 519 520int 521esa_getdev(void *hdl, struct audio_device *ret) 522{ 523 524 *ret = esa_device; 525 526 return (0); 527} 528 529int 530esa_set_port(void *hdl, mixer_ctrl_t *mc) 531{ 532 struct esa_voice *vc = hdl; 533 struct esa_softc *sc = (struct esa_softc *)vc->parent; 534 535 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, mc)); 536} 537 538int 539esa_get_port(void *hdl, mixer_ctrl_t *mc) 540{ 541 struct esa_voice *vc = hdl; 542 struct esa_softc *sc = (struct esa_softc *)vc->parent; 543 544 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, mc)); 545} 546 547int 548esa_query_devinfo(void *hdl, mixer_devinfo_t *di) 549{ 550 struct esa_voice *vc = hdl; 551 struct esa_softc *sc = (struct esa_softc *)vc->parent; 552 553 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, di)); 554} 555 556size_t 557esa_round_buffersize(void *hdl, int direction, size_t bufsize) 558{ 559 560 return (bufsize); 561} 562 563int 564esa_get_props(void *hdl) 565{ 566 567 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX); 568} 569 570int 571esa_trigger_output(void *hdl, void *start, void *end, int blksize, 572 void (*intr)(void *), void *intrarg, 573 struct audio_params *param) 574{ 575 struct esa_voice *vc = hdl; 576 struct esa_softc *sc = (struct esa_softc *)vc->parent; 577 struct esa_dma *p; 578 bus_space_tag_t iot = sc->sc_iot; 579 bus_space_handle_t ioh = sc->sc_ioh; 580 u_int32_t data; 581 u_int32_t bufaddr; 582 u_int32_t i; 583 size_t size; 584 585 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 586 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 587 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 588 &~ 255; 589 int dac_data = ESA_DAC_DATA + (data_bytes * vc->index); 590 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x20 * 2); 591 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x20 * 2); 592 int dsp_in_buf = dac_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 593 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 594 595 if (vc->play.active) 596 return (EINVAL); 597 598 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) 599 ; 600 if (!p) { 601 printf("%s: esa_trigger_output: bad addr %p\n", 602 sc->sc_dev.dv_xname, start); 603 return (EINVAL); 604 } 605 606 vc->play.active = 1; 607 vc->play.intr = intr; 608 vc->play.arg = intrarg; 609 vc->play.pos = 0; 610 vc->play.count = 0; 611 vc->play.buf = start; 612 vc->play.bufsize = size = (size_t)(((caddr_t)end - (caddr_t)start)); 613 vc->play.blksize = blksize; 614 bufaddr = DMAADDR(p); 615 vc->play.start = bufaddr; 616 617#define LO(x) ((x) & 0x0000ffff) 618#define HI(x) ((x) >> 16) 619 620 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 621 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 622 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 623 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 624 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 625 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 626 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 627 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 628 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 629 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 630 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 631 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 632 633 /* DSP buffers */ 634 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 635 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 636 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 637 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 638 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 639 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 640 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 641 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 642 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 643 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 644 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 645 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 646 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 647 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 648 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 649 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 650 651 /* Some per-client initializers */ 652 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 653 ESA_SRC3_DIRECTION_OFFSET + 12, dac_data + 40 + 8); 654 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 655 ESA_SRC3_DIRECTION_OFFSET + 19, 0x400 + ESA_MINISRC_COEF_LOC); 656 /* Enable or disable low-pass filter? (0xff if rate > 45000) */ 657 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 658 ESA_SRC3_DIRECTION_OFFSET + 22, 659 vc->play.mode.sample_rate > 45000 ? 0xff : 0); 660 /* Tell it which way DMA is going */ 661 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 662 ESA_CDATA_DMA_CONTROL, 663 ESA_DMACONTROL_AUTOREPEAT + ESA_DMAC_PAGE3_SELECTOR + 664 ESA_DMAC_BLOCKF_SELECTOR); 665 666 /* Set an armload of static initializers */ 667 for (i = 0; i < (sizeof(esa_playvals) / sizeof(esa_playvals[0])); i++) 668 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 669 esa_playvals[i].addr, esa_playvals[i].val); 670 671 /* Put us in the packed task lists */ 672 esa_add_list(vc, &sc->msrc_list, dac_data >> ESA_DP_SHIFT_COUNT, 673 vc->index); 674 esa_add_list(vc, &sc->dma_list, dac_data >> ESA_DP_SHIFT_COUNT, 675 vc->index); 676 esa_add_list(vc, &sc->mixer_list, dac_data >> ESA_DP_SHIFT_COUNT, 677 vc->index); 678#undef LO 679#undef HI 680 681 /* XXX */ 682 //esa_commit_settings(vc); 683 684 sc->sc_ntimers++; 685 686 if (sc->sc_ntimers == 1) { 687 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 688 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 689 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 690 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 691 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 692 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 693 data | ESA_CLKRUN_GEN_ENABLE); 694 } 695 696 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 697 ESA_CDATA_INSTANCE_READY, 1); 698 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 699 ESA_KDATA_MIXER_TASK_NUMBER, 700 sc->mixer_list.indexmap[vc->index]); 701 702 return (0); 703} 704 705int 706esa_trigger_input(void *hdl, void *start, void *end, int blksize, 707 void (*intr)(void *), void *intrarg, 708 struct audio_params *param) 709{ 710 struct esa_voice *vc = hdl; 711 struct esa_softc *sc = (struct esa_softc *)vc->parent; 712 struct esa_dma *p; 713 bus_space_tag_t iot = sc->sc_iot; 714 bus_space_handle_t ioh = sc->sc_ioh; 715 u_int32_t data; 716 u_int32_t bufaddr; 717 u_int32_t i; 718 size_t size; 719 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 720 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 721 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 722 &~ 255; 723 int adc_data = ESA_DAC_DATA + (data_bytes * vc->index) + 724 (data_bytes / 2); 725 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x10 * 2); 726 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x10 * 2); 727 int dsp_in_buf = adc_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 728 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 729 vc->rec.data_offset = adc_data; 730 731 /* We only support 1 recording channel */ 732 if (vc->index > 0) 733 return (ENODEV); 734 735 if (vc->rec.active) 736 return (EINVAL); 737 738 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) 739 ; 740 if (!p) { 741 printf("%s: esa_trigger_input: bad addr %p\n", 742 sc->sc_dev.dv_xname, start); 743 return (EINVAL); 744 } 745 746 vc->rec.active = 1; 747 vc->rec.intr = intr; 748 vc->rec.arg = intrarg; 749 vc->rec.pos = 0; 750 vc->rec.count = 0; 751 vc->rec.buf = start; 752 vc->rec.bufsize = size = (size_t)(((caddr_t)end - (caddr_t)start)); 753 vc->rec.blksize = blksize; 754 bufaddr = DMAADDR(p); 755 vc->rec.start = bufaddr; 756 757#define LO(x) ((x) & 0x0000ffff) 758#define HI(x) ((x) >> 16) 759 760 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 761 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 762 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 763 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 764 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 765 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 766 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 767 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 768 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 769 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 770 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 771 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 772 773 /* DSP buffers */ 774 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 775 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 776 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 777 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 778 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 779 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 780 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 781 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 782 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 783 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 784 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 785 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 786 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 787 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 788 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 789 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 790 791 /* Some per-client initializers */ 792 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 793 ESA_SRC3_DIRECTION_OFFSET + 12, adc_data + 40 + 8); 794 /* Tell it which way DMA is going */ 795 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 796 ESA_CDATA_DMA_CONTROL, 797 ESA_DMACONTROL_DIRECTION + ESA_DMACONTROL_AUTOREPEAT + 798 ESA_DMAC_PAGE3_SELECTOR + ESA_DMAC_BLOCKF_SELECTOR); 799 800 /* Set an armload of static initializers */ 801 for (i = 0; i < (sizeof(esa_recvals) / sizeof(esa_recvals[0])); i++) 802 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 803 esa_recvals[i].addr, esa_recvals[i].val); 804 805 /* Put us in the packed task lists */ 806 esa_add_list(vc, &sc->adc1_list, adc_data >> ESA_DP_SHIFT_COUNT, 807 vc->index + ESA_NUM_VOICES); 808 esa_add_list(vc, &sc->msrc_list, adc_data >> ESA_DP_SHIFT_COUNT, 809 vc->index + ESA_NUM_VOICES); 810 esa_add_list(vc, &sc->dma_list, adc_data >> ESA_DP_SHIFT_COUNT, 811 vc->index + ESA_NUM_VOICES); 812#undef LO 813#undef HI 814 815 /* XXX */ 816 //esa_commit_settings(vc); 817 818 sc->sc_ntimers++; 819 if (sc->sc_ntimers == 1) { 820 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 821 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 822 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 823 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 824 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 825 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 826 data | ESA_CLKRUN_GEN_ENABLE); 827 } 828 829 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 830 ESA_CDATA_INSTANCE_READY, 1); 831 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 832 1); 833 834 return (0); 835} 836 837/* Interrupt handler */ 838 839int 840esa_intr(void *hdl) 841{ 842 struct esa_softc *sc = hdl; 843 struct esa_voice *vc; 844 bus_space_tag_t iot = sc->sc_iot; 845 bus_space_handle_t ioh = sc->sc_ioh; 846 u_int8_t status; 847 u_int32_t pos; 848 u_int32_t diff; 849 u_int32_t blksize; 850 int i; 851 852 status = bus_space_read_1(iot, ioh, ESA_HOST_INT_STATUS); 853 if (status == 0xff) 854 return (0); 855 856 /* ack the interrupt */ 857 bus_space_write_1(iot, ioh, ESA_HOST_INT_STATUS, status); 858 859 if (status & ESA_HV_INT_PENDING) { 860 u_int8_t event; 861 862 printf("%s: hardware volume interrupt\n", sc->sc_dev.dv_xname); 863 event = bus_space_read_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER); 864 switch(event) { 865 case 0x99: 866 case 0xaa: 867 case 0x66: 868 case 0x88: 869 printf("%s: esa_intr: FIXME\n", sc->sc_dev.dv_xname); 870 break; 871 default: 872 printf("%s: unknown hwvol event 0x%02x\n", 873 sc->sc_dev.dv_xname, event); 874 break; 875 } 876 bus_space_write_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER, 0x88); 877 } 878 879 if ((status & ESA_ASSP_INT_PENDING) == 0 || 880 (bus_space_read_1(iot, ioh, 881 ESA_ASSP_CONTROL_B) & ESA_STOP_ASSP_CLOCK) != 0 || 882 (bus_space_read_1(iot, ioh, 883 ESA_ASSP_HOST_INT_STATUS) & ESA_DSP2HOST_REQ_TIMER) == 0) 884 return (1); 885 886 bus_space_write_1(iot, ioh, ESA_ASSP_HOST_INT_STATUS, 887 ESA_DSP2HOST_REQ_TIMER); 888 889 for (i = 0; i < ESA_NUM_VOICES; i++) { 890 vc = &sc->voice[i]; 891 892 if (vc->play.active) { 893 pos = esa_get_pointer(sc, &vc->play) % vc->play.bufsize; 894 diff = (vc->play.bufsize + pos - vc->play.pos) % 895 vc->play.bufsize; 896 897 vc->play.pos = pos; 898 vc->play.count += diff; 899 blksize = vc->play.blksize; 900 901 while(vc->play.count >= blksize) { 902 vc->play.count -= blksize; 903 (*vc->play.intr)(vc->play.arg); 904 } 905 } 906 907 if (vc->rec.active) { 908 pos = esa_get_pointer(sc, &vc->rec) % vc->rec.bufsize; 909 diff = (vc->rec.bufsize + pos - vc->rec.pos) % 910 vc->rec.bufsize; 911 912 vc->rec.pos = pos; 913 vc->rec.count += diff; 914 blksize = vc->rec.blksize; 915 916 while(vc->rec.count >= blksize) { 917 vc->rec.count -= blksize; 918 (*vc->rec.intr)(vc->rec.arg); 919 } 920 } 921 } 922 923 return (1); 924} 925 926int 927esa_allocmem(struct esa_softc *sc, size_t size, size_t align, 928 struct esa_dma *p) 929{ 930 int error; 931 932 p->size = size; 933 error = bus_dmamem_alloc(sc->sc_dmat, p->size, align, 0, 934 p->segs, sizeof(p->segs) / sizeof(p->segs[0]), 935 &p->nsegs, BUS_DMA_NOWAIT); 936 if (error) 937 return (error); 938 939 error = bus_dmamem_map(sc->sc_dmat, p->segs, p->nsegs, p->size, 940 &p->addr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT); 941 if (error) 942 goto free; 943 944 error = bus_dmamap_create(sc->sc_dmat, p->size, 1, p->size, 0, 945 BUS_DMA_NOWAIT, &p->map); 946 if (error) 947 goto unmap; 948 949 error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, p->size, NULL, 950 BUS_DMA_NOWAIT); 951 if (error) 952 goto destroy; 953 954 return (0); 955 956destroy: 957 bus_dmamap_destroy(sc->sc_dmat, p->map); 958unmap: 959 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 960free: 961 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 962 963 return (error); 964} 965 966int 967esa_freemem(struct esa_softc *sc, struct esa_dma *p) 968{ 969 970 bus_dmamap_unload(sc->sc_dmat, p->map); 971 bus_dmamap_destroy(sc->sc_dmat, p->map); 972 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 973 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 974 975 return (0); 976} 977 978/* 979 * Supporting Subroutines 980 */ 981 982int 983esa_match(struct device *dev, struct cfdata *match, void *aux) 984{ 985 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 986 987 switch(PCI_VENDOR(pa->pa_id)) { 988 case PCI_VENDOR_ESSTECH: 989 switch(PCI_PRODUCT(pa->pa_id)) { 990 case PCI_PRODUCT_ESSTECH_ALLEGRO1: 991 case PCI_PRODUCT_ESSTECH_MAESTRO3: 992 case PCI_PRODUCT_ESSTECH_MAESTRO3_2: 993 return (1); 994 } 995 } 996 997 return (0); 998} 999 1000void 1001esa_attach(struct device *parent, struct device *self, void *aux) 1002{ 1003 struct esa_softc *sc = (struct esa_softc *)self; 1004 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 1005 pcitag_t tag = pa->pa_tag; 1006 pci_chipset_tag_t pc = pa->pa_pc; 1007 pci_intr_handle_t ih; 1008 struct esa_card_type *card; 1009 const char *intrstr; 1010 u_int32_t data; 1011 char devinfo[256]; 1012 int revision, len; 1013 int i; 1014 1015 aprint_naive(": Audio controller\n"); 1016 1017 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo)); 1018 revision = PCI_REVISION(pa->pa_class); 1019 aprint_normal(": %s (rev. 0x%02x)\n", devinfo, revision); 1020 1021 for (card = esa_card_types; card->pci_vendor_id; card++) 1022 if (PCI_VENDOR(pa->pa_id) == card->pci_vendor_id && 1023 PCI_PRODUCT(pa->pa_id) == card->pci_product_id) { 1024 sc->type = card->type; 1025 sc->delay1 = card->delay1; 1026 sc->delay2 = card->delay2; 1027 break; 1028 } 1029 1030 data = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG); 1031 data |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE 1032 | PCI_COMMAND_MASTER_ENABLE); 1033 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, data); 1034 1035 /* Map I/O register */ 1036 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 1037 &sc->sc_iot, &sc->sc_ioh, &sc->sc_iob, &sc->sc_ios)) { 1038 aprint_error("%s: can't map i/o space\n", sc->sc_dev.dv_xname); 1039 return; 1040 } 1041 1042 /* Initialize softc */ 1043 sc->sc_tag = tag; 1044 sc->sc_pct = pc; 1045 sc->sc_dmat = pa->pa_dmat; 1046 1047 /* Map and establish an interrupt */ 1048 if (pci_intr_map(pa, &ih)) { 1049 aprint_error("%s: can't map interrupt\n", sc->sc_dev.dv_xname); 1050 return; 1051 } 1052 intrstr = pci_intr_string(pc, ih); 1053 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, esa_intr, self); 1054 if (sc->sc_ih == NULL) { 1055 aprint_error("%s: can't establish interrupt", 1056 sc->sc_dev.dv_xname); 1057 if (intrstr != NULL) 1058 aprint_normal(" at %s", intrstr); 1059 aprint_normal("\n"); 1060 return; 1061 } 1062 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 1063 1064 /* Power up chip */ 1065 esa_power(sc, PCI_PMCSR_STATE_D0); 1066 1067 /* Init chip */ 1068 if (esa_init(sc) == -1) { 1069 aprint_error("%s: esa_attach: unable to initialize the card\n", 1070 sc->sc_dev.dv_xname); 1071 return; 1072 } 1073 1074 /* create suspend save area */ 1075 len = sizeof(u_int16_t) * (ESA_REV_B_CODE_MEMORY_LENGTH 1076 + ESA_REV_B_DATA_MEMORY_LENGTH + 1); 1077 sc->savemem = (u_int16_t *)malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO); 1078 if (sc->savemem == NULL) { 1079 aprint_error("%s: unable to allocate suspend buffer\n", 1080 sc->sc_dev.dv_xname); 1081 return; 1082 } 1083 1084 /* 1085 * Every card I've seen has had their channels swapped with respect 1086 * to the mixer. Ie: 1087 * $ mixerctl -w outputs.master=0,191 1088 * Would result in the _right_ speaker being turned off. 1089 * 1090 * So, we will swap the left and right mixer channels to compensate 1091 * for this. 1092 */ 1093 sc->codec_flags = AC97_HOST_SWAPPED_CHANNELS; 1094 1095 /* Attach AC97 host interface */ 1096 sc->host_if.arg = self; 1097 sc->host_if.attach = esa_attach_codec; 1098 sc->host_if.read = esa_read_codec; 1099 sc->host_if.write = esa_write_codec; 1100 sc->host_if.reset = esa_reset_codec; 1101 sc->host_if.flags = esa_flags_codec; 1102 1103 if (ac97_attach(&sc->host_if) != 0) 1104 return; 1105 1106 /* initialize list management structures */ 1107 sc->mixer_list.mem_addr = ESA_KDATA_MIXER_XFER0; 1108 sc->mixer_list.max = ESA_MAX_VIRTUAL_MIXER_CHANNELS; 1109 sc->adc1_list.mem_addr = ESA_KDATA_ADC1_XFER0; 1110 sc->adc1_list.max = ESA_MAX_VIRTUAL_ADC1_CHANNELS; 1111 sc->dma_list.mem_addr = ESA_KDATA_DMA_XFER0; 1112 sc->dma_list.max = ESA_MAX_VIRTUAL_DMA_CHANNELS; 1113 sc->msrc_list.mem_addr = ESA_KDATA_INSTANCE0_MINISRC; 1114 sc->msrc_list.max = ESA_MAX_INSTANCE_MINISRC; 1115 1116 /* initialize index maps */ 1117 for (i = 0; i < ESA_NUM_VOICES * 2; i++) { 1118 sc->mixer_list.indexmap[i] = -1; 1119 sc->msrc_list.indexmap[i] = -1; 1120 sc->dma_list.indexmap[i] = -1; 1121 sc->adc1_list.indexmap[i] = -1; 1122 } 1123 for (i = 0; i < ESA_NUM_VOICES; i++) { 1124 sc->voice[i].parent = (struct device *)sc; 1125 sc->voice[i].index = i; 1126 sc->sc_audiodev[i] = 1127 audio_attach_mi(&esa_hw_if, &sc->voice[i], &sc->sc_dev); 1128 } 1129 1130 sc->powerhook = powerhook_establish(esa_powerhook, sc); 1131 if (sc->powerhook == NULL) 1132 aprint_error("%s: WARNING: unable to establish powerhook\n", 1133 sc->sc_dev.dv_xname); 1134 1135 return; 1136} 1137 1138int 1139esa_detach(struct device *self, int flags) 1140{ 1141 struct esa_softc *sc = (struct esa_softc *)self; 1142 int i; 1143 1144 for (i = 0; i < ESA_NUM_VOICES; i++) { 1145 if (sc->sc_audiodev[i] != NULL) 1146 config_detach(sc->sc_audiodev[i], flags); 1147 } 1148 1149 if (sc->sc_ih != NULL) 1150 pci_intr_disestablish(sc->sc_pct, sc->sc_ih); 1151 if (sc->sc_ios) 1152 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1153 1154 free(sc->savemem, M_DEVBUF); 1155 1156 return (0); 1157} 1158 1159u_int16_t 1160esa_read_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index) 1161{ 1162 u_int16_t data; 1163 bus_space_tag_t iot = sc->sc_iot; 1164 bus_space_handle_t ioh = sc->sc_ioh; 1165 1166 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1167 region & ESA_MEMTYPE_MASK); 1168 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1169 data = bus_space_read_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA); 1170 1171 return (data); 1172} 1173 1174void 1175esa_write_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index, 1176 u_int16_t data) 1177{ 1178 bus_space_tag_t iot = sc->sc_iot; 1179 bus_space_handle_t ioh = sc->sc_ioh; 1180 1181 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1182 region & ESA_MEMTYPE_MASK); 1183 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1184 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA, data); 1185 1186 return; 1187} 1188 1189int 1190esa_init_codec(struct esa_softc *sc) 1191{ 1192 bus_space_tag_t iot = sc->sc_iot; 1193 bus_space_handle_t ioh = sc->sc_ioh; 1194 u_int32_t data; 1195 1196 data = bus_space_read_1(iot, ioh, ESA_CODEC_COMMAND); 1197 1198 return ((data & 0x1) ? 0 : 1); 1199} 1200 1201int 1202esa_attach_codec(void *aux, struct ac97_codec_if *codec_if) 1203{ 1204 struct esa_softc *sc = aux; 1205 1206 sc->codec_if = codec_if; 1207 1208 return (0); 1209} 1210 1211int 1212esa_read_codec(void *aux, u_int8_t reg, u_int16_t *result) 1213{ 1214 struct esa_softc *sc = aux; 1215 bus_space_tag_t iot = sc->sc_iot; 1216 bus_space_handle_t ioh = sc->sc_ioh; 1217 1218 if (esa_wait(sc)) 1219 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1220 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, (reg & 0x7f) | 0x80); 1221 delay(50); 1222 if (esa_wait(sc)) 1223 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1224 *result = bus_space_read_2(iot, ioh, ESA_CODEC_DATA); 1225 1226 return (0); 1227} 1228 1229int 1230esa_write_codec(void *aux, u_int8_t reg, u_int16_t data) 1231{ 1232 struct esa_softc *sc = aux; 1233 bus_space_tag_t iot = sc->sc_iot; 1234 bus_space_handle_t ioh = sc->sc_ioh; 1235 1236 if (esa_wait(sc)) { 1237 printf("%s: esa_write_codec: timed out\n", sc->sc_dev.dv_xname); 1238 return (-1); 1239 } 1240 bus_space_write_2(iot, ioh, ESA_CODEC_DATA, data); 1241 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, reg & 0x7f); 1242 delay(50); 1243 1244 return (0); 1245} 1246 1247void 1248esa_reset_codec(void *aux) 1249{ 1250 1251 return; 1252} 1253 1254enum ac97_host_flags 1255esa_flags_codec(void *aux) 1256{ 1257 struct esa_softc *sc = aux; 1258 1259 return (sc->codec_flags); 1260} 1261 1262int 1263esa_wait(struct esa_softc *sc) 1264{ 1265 int i, val; 1266 bus_space_tag_t iot = sc->sc_iot; 1267 bus_space_handle_t ioh = sc->sc_ioh; 1268 1269 for (i = 0; i < 20; i++) { 1270 val = bus_space_read_1(iot, ioh, ESA_CODEC_STATUS); 1271 if ((val & 1) == 0) 1272 return (0); 1273 delay(2); 1274 } 1275 1276 return (-1); 1277} 1278 1279int 1280esa_init(struct esa_softc *sc) 1281{ 1282 struct esa_voice *vc; 1283 bus_space_tag_t iot = sc->sc_iot; 1284 bus_space_handle_t ioh = sc->sc_ioh; 1285 pcitag_t tag = sc->sc_tag; 1286 pci_chipset_tag_t pc = sc->sc_pct; 1287 u_int32_t data, i, size; 1288 u_int8_t reset_state; 1289 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 1290 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 1291 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 1292 &~ 255; 1293 1294 /* Disable legacy emulation */ 1295 data = pci_conf_read(pc, tag, PCI_LEGACY_AUDIO_CTRL); 1296 data |= DISABLE_LEGACY; 1297 pci_conf_write(pc, tag, PCI_LEGACY_AUDIO_CTRL, data); 1298 1299 esa_config(sc); 1300 1301 reset_state = esa_assp_halt(sc); 1302 1303 esa_init_codec(sc); 1304 esa_codec_reset(sc); 1305 1306 /* Zero kernel and mixer data */ 1307 size = ESA_REV_B_DATA_MEMORY_UNIT_LENGTH * ESA_NUM_UNITS_KERNEL_DATA; 1308 for (i = 0; i < size / 2; i++) { 1309 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1310 ESA_KDATA_BASE_ADDR + i, 0); 1311 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1312 ESA_KDATA_BASE_ADDR2 + i, 0); 1313 } 1314 1315 /* Init DMA pointer */ 1316 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_CURRENT_DMA, 1317 ESA_KDATA_DMA_XFER0); 1318 1319 /* Write kernel code into memory */ 1320 size = sizeof(esa_assp_kernel_image); 1321 for (i = 0; i < size / 2; i++) 1322 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1323 ESA_REV_B_CODE_MEMORY_BEGIN + i, esa_assp_kernel_image[i]); 1324 1325 size = sizeof(esa_assp_minisrc_image); 1326 for (i = 0; i < size / 2; i++) 1327 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 0x400 + i, 1328 esa_assp_minisrc_image[i]); 1329 1330 /* Write the coefficients for the low pass filter */ 1331 size = sizeof(esa_minisrc_lpf_image); 1332 for (i = 0; i < size / 2; i++) 1333 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1334 0x400 + ESA_MINISRC_COEF_LOC + i, esa_minisrc_lpf_image[i]); 1335 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1336 0x400 + ESA_MINISRC_COEF_LOC + size, 0x8000); 1337 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TASK0, 0x400); 1338 /* Init the mixer number */ 1339 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1340 ESA_KDATA_MIXER_TASK_NUMBER, 0); 1341 /* Extreme kernel master volume */ 1342 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1343 ESA_KDATA_DAC_LEFT_VOLUME, ESA_ARB_VOLUME); 1344 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1345 ESA_KDATA_DAC_RIGHT_VOLUME, ESA_ARB_VOLUME); 1346 1347 if (esa_amp_enable(sc)) 1348 return (-1); 1349 1350 /* Zero entire DAC/ADC area */ 1351 for (i = 0x1100; i < 0x1c00; i++) 1352 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 0); 1353 1354 /* set some sane defaults */ 1355 for (i = 0; i < ESA_NUM_VOICES; i++) { 1356 vc = &sc->voice[i]; 1357 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * i); 1358 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * i * 2); 1359 } 1360 1361 esa_enable_interrupts(sc); 1362 1363 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1364 reset_state | ESA_REGB_ENABLE_RESET); 1365 1366 return (0); 1367} 1368 1369void 1370esa_config(struct esa_softc *sc) 1371{ 1372 bus_space_tag_t iot = sc->sc_iot; 1373 bus_space_handle_t ioh = sc->sc_ioh; 1374 pcitag_t tag = sc->sc_tag; 1375 pci_chipset_tag_t pc = sc->sc_pct; 1376 u_int32_t data; 1377 1378 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1379 data &= ESA_REDUCED_DEBOUNCE; 1380 data |= ESA_PM_CTRL_ENABLE | ESA_CLK_DIV_BY_49 | ESA_USE_PCI_TIMING; 1381 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1382 1383 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RESET_ASSP); 1384 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1385 data &= ~ESA_INT_CLK_SELECT; 1386 if (sc->type == ESS_MAESTRO3) { 1387 data &= ~ESA_INT_CLK_MULT_ENABLE; 1388 data |= ESA_INT_CLK_SRC_NOT_PCI; 1389 } 1390 data &= ~(ESA_CLK_MULT_MODE_SELECT | ESA_CLK_MULT_MODE_SELECT_2); 1391 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1392 1393 if (sc->type == ESS_ALLEGRO1) { 1394 data = pci_conf_read(pc, tag, ESA_PCI_USER_CONFIG); 1395 data |= ESA_IN_CLK_12MHZ_SELECT; 1396 pci_conf_write(pc, tag, ESA_PCI_USER_CONFIG, data); 1397 } 1398 1399 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_A); 1400 data &= ~(ESA_DSP_CLK_36MHZ_SELECT | ESA_ASSP_CLK_49MHZ_SELECT); 1401 data |= ESA_ASSP_CLK_49MHZ_SELECT; /* XXX: Assumes 49MHz DSP */ 1402 data |= ESA_ASSP_0_WS_ENABLE; 1403 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_A, data); 1404 1405 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RUN_ASSP); 1406 1407 return; 1408} 1409 1410u_int8_t 1411esa_assp_halt(struct esa_softc *sc) 1412{ 1413 bus_space_tag_t iot = sc->sc_iot; 1414 bus_space_handle_t ioh = sc->sc_ioh; 1415 u_int8_t data, reset_state; 1416 1417 data = bus_space_read_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B); 1418 reset_state = data & ~ESA_REGB_STOP_CLOCK; 1419 delay(10000); /* XXX use tsleep */ 1420 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1421 reset_state & ~ESA_REGB_ENABLE_RESET); 1422 delay(10000); /* XXX use tsleep */ 1423 1424 return (reset_state); 1425} 1426 1427void 1428esa_codec_reset(struct esa_softc *sc) 1429{ 1430 bus_space_tag_t iot = sc->sc_iot; 1431 bus_space_handle_t ioh = sc->sc_ioh; 1432 u_int16_t data, dir; 1433 int retry = 0; 1434 1435 do { 1436 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1437 dir = data | 0x10; /* assuming pci bus master? */ 1438 1439 /* remote codec config */ 1440 data = bus_space_read_2(iot, ioh, ESA_RING_BUS_CTRL_B); 1441 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_B, 1442 data & ~ESA_SECOND_CODEC_ID_MASK); 1443 data = bus_space_read_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL); 1444 bus_space_write_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL, 1445 data & ~ESA_COMMAND_ADDR_OUT); 1446 data = bus_space_read_2(iot, ioh, ESA_SDO_IN_DEST_CTRL); 1447 bus_space_write_2(iot, ioh, ESA_SDO_IN_DEST_CTRL, 1448 data & ~ESA_STATUS_ADDR_IN); 1449 1450 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1451 ESA_IO_SRAM_ENABLE); 1452 delay(20); 1453 1454 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1455 dir & ~ESA_GPO_PRIMARY_AC97); 1456 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, 1457 ~ESA_GPO_PRIMARY_AC97); 1458 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 0); 1459 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1460 dir | ESA_GPO_PRIMARY_AC97); 1461 delay(sc->delay1 * 1000); 1462 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 1463 ESA_GPO_PRIMARY_AC97); 1464 delay(5); 1465 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1466 ESA_IO_SRAM_ENABLE | ESA_SERIAL_AC_LINK_ENABLE); 1467 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1468 delay(sc->delay2 * 1000); 1469 1470 esa_read_codec(sc, 0x7c, &data); 1471 if ((data == 0) || (data == 0xffff)) { 1472 retry++; 1473 if (retry > 3) { 1474 printf("%s: esa_codec_reset: failed\n", 1475 sc->sc_dev.dv_xname); 1476 break; 1477 } 1478 printf("%s: esa_codec_reset: retrying\n", 1479 sc->sc_dev.dv_xname); 1480 } else 1481 retry = 0; 1482 } while (retry); 1483 1484 return; 1485} 1486 1487int 1488esa_amp_enable(struct esa_softc *sc) 1489{ 1490 bus_space_tag_t iot = sc->sc_iot; 1491 bus_space_handle_t ioh = sc->sc_ioh; 1492 u_int32_t gpo, polarity_port, polarity; 1493 u_int16_t data; 1494 1495 switch (sc->type) { 1496 case ESS_ALLEGRO1: 1497 polarity_port = 0x1800; 1498 break; 1499 case ESS_MAESTRO3: 1500 polarity_port = 0x1100; 1501 break; 1502 default: 1503 printf("%s: esa_amp_enable: Unknown chip type!!!\n", 1504 sc->sc_dev.dv_xname); 1505 return (1); 1506 } 1507 1508 gpo = (polarity_port >> 8) & 0x0f; 1509 polarity = polarity_port >> 12; 1510 polarity = !polarity; /* Enable */ 1511 polarity = polarity << gpo; 1512 gpo = 1 << gpo; 1513 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~gpo); 1514 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1515 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, data | gpo); 1516 data = ESA_GPO_SECONDARY_AC97 | ESA_GPO_PRIMARY_AC97 | polarity; 1517 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, data); 1518 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1519 1520 return (0); 1521} 1522 1523void 1524esa_enable_interrupts(struct esa_softc *sc) 1525{ 1526 bus_space_tag_t iot = sc->sc_iot; 1527 bus_space_handle_t ioh = sc->sc_ioh; 1528 u_int8_t data; 1529 1530 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 1531 ESA_ASSP_INT_ENABLE | ESA_HV_INT_ENABLE); 1532 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_C); 1533 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 1534 data | ESA_ASSP_HOST_INT_ENABLE); 1535} 1536 1537/* 1538 * List management 1539 */ 1540int 1541esa_add_list(struct esa_voice *vc, struct esa_list *el, 1542 u_int16_t val, int index) 1543{ 1544 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1545 1546 el->indexmap[index] = el->currlen; 1547 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1548 el->mem_addr + el->currlen, 1549 val); 1550 1551 return (el->currlen++); 1552} 1553 1554void 1555esa_remove_list(struct esa_voice *vc, struct esa_list *el, int index) 1556{ 1557 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1558 u_int16_t val; 1559 int lastindex = el->currlen - 1; 1560 int vindex = el->indexmap[index]; 1561 int i; 1562 1563 /* reset our virtual index */ 1564 el->indexmap[index] = -1; 1565 1566 if (vindex != lastindex) { 1567 val = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1568 el->mem_addr + lastindex); 1569 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1570 el->mem_addr + vindex, 1571 val); 1572 for (i = 0; i < ESA_NUM_VOICES * 2; i++) 1573 if (el->indexmap[i] == lastindex) 1574 break; 1575 if (i >= ESA_NUM_VOICES * 2) 1576 printf("%s: esa_remove_list: invalid task index\n", 1577 sc->sc_dev.dv_xname); 1578 else 1579 el->indexmap[i] = vindex; 1580 } 1581 1582 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1583 el->mem_addr + lastindex, 0); 1584 el->currlen--; 1585 1586 return; 1587} 1588 1589int 1590esa_power(struct esa_softc *sc, int state) 1591{ 1592 pcitag_t tag = sc->sc_tag; 1593 pci_chipset_tag_t pc = sc->sc_pct; 1594 pcireg_t data; 1595 int pmcapreg; 1596 1597 if (pci_get_capability(pc, tag, PCI_CAP_PWRMGMT, &pmcapreg, 0)) { 1598 data = pci_conf_read(pc, tag, pmcapreg + PCI_PMCSR); 1599 if ((data & PCI_PMCSR_STATE_MASK) != state) 1600 pci_conf_write(pc, tag, pmcapreg + PCI_PMCSR, state); 1601 } 1602 1603 return (0); 1604} 1605 1606void 1607esa_powerhook(int why, void *hdl) 1608{ 1609 struct esa_softc *sc = (struct esa_softc *)hdl; 1610 1611 switch (why) { 1612 case PWR_SUSPEND: 1613 case PWR_STANDBY: 1614 esa_suspend(sc); 1615 break; 1616 case PWR_RESUME: 1617 esa_resume(sc); 1618 (sc->codec_if->vtbl->restore_ports)(sc->codec_if); 1619 break; 1620 } 1621} 1622 1623int 1624esa_suspend(struct esa_softc *sc) 1625{ 1626 bus_space_tag_t iot = sc->sc_iot; 1627 bus_space_handle_t ioh = sc->sc_ioh; 1628 int i, index; 1629 1630 index = 0; 1631 1632 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 0); 1633 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 0); 1634 1635 esa_assp_halt(sc); 1636 1637 /* Save ASSP state */ 1638 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1639 i++) 1640 sc->savemem[index++] = esa_read_assp(sc, 1641 ESA_MEMTYPE_INTERNAL_CODE, i); 1642 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1643 i++) 1644 sc->savemem[index++] = esa_read_assp(sc, 1645 ESA_MEMTYPE_INTERNAL_DATA, i); 1646 1647 esa_power(sc, PCI_PMCSR_STATE_D3); 1648 1649 return (0); 1650} 1651 1652int 1653esa_resume(struct esa_softc *sc) { 1654 bus_space_tag_t iot = sc->sc_iot; 1655 bus_space_handle_t ioh = sc->sc_ioh; 1656 int i, index; 1657 u_int8_t reset_state; 1658 1659 index = 0; 1660 1661 esa_power(sc, PCI_PMCSR_STATE_D0); 1662 delay(10000); 1663 1664 esa_config(sc); 1665 1666 reset_state = esa_assp_halt(sc); 1667 1668 esa_codec_reset(sc); 1669 1670 /* restore ASSP */ 1671 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1672 i++) 1673 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, i, 1674 sc->savemem[index++]); 1675 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1676 i++) 1677 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 1678 sc->savemem[index++]); 1679 1680 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_ACTIVE, 0); 1681 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1682 reset_state | ESA_REGB_ENABLE_RESET); 1683 1684 esa_enable_interrupts(sc); 1685 esa_amp_enable(sc); 1686 1687 return (0); 1688} 1689 1690u_int32_t 1691esa_get_pointer(struct esa_softc *sc, struct esa_channel *ch) 1692{ 1693 u_int16_t hi = 0, lo = 0; 1694 u_int32_t addr; 1695 int data_offset = ch->data_offset; 1696 1697 hi = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1698 ESA_CDATA_HOST_SRC_CURRENTH); 1699 lo = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1700 ESA_CDATA_HOST_SRC_CURRENTL); 1701 1702 addr = lo | ((u_int32_t)hi << 16); 1703 return (addr - ch->start); 1704} 1705 1706paddr_t 1707esa_mappage(void *addr, void *mem, off_t off, int prot) 1708{ 1709 struct esa_voice *vc = addr; 1710 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1711 struct esa_dma *p; 1712 1713 if (off < 0) 1714 return (-1); 1715 for (p = vc->dma; p && KERNADDR(p) != mem; p = p->next) 1716 ; 1717 if (!p) 1718 return (-1); 1719 return (bus_dmamem_mmap(sc->sc_dmat, p->segs, p->nsegs, 1720 off, prot, BUS_DMA_WAITOK)); 1721} 1722