1 /* $OpenBSD: esa.c,v 1.24 2011/12/07 10:31:31 kettenis Exp $ */ 2 /* $NetBSD: esa.c,v 1.12 2002/03/24 14:17:35 jmcneill Exp $ */ 3 4 /* 5 * Copyright (c) 2001, 2002 Jared D. McNeill <jmcneill@invisible.ca> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 /* 30 * Shamelessly stolen from NetBSD who based it on FreeBSD's who in turn 31 * based it on Linux's driver. What a wonderful world. 32 * 33 * 34 * ESS Allegro-1 / Maestro3 Audio Driver 35 * 36 * Based on the FreeBSD maestro3 driver and the NetBSD eap driver. 37 * Original driver by Don Kim. 38 * 39 * The list management code could possibly be written better, but what 40 * we have right now does the job nicely. Thanks to Zach Brown <zab@zabbo.net> 41 * and Andrew MacDonald <amac@epsilon.yi.org> for helping me debug the 42 * problems with the original list management code present in the Linux 43 * driver. 44 */ 45 46 #include <sys/types.h> 47 #include <sys/errno.h> 48 #include <sys/param.h> 49 #include <sys/systm.h> 50 #include <sys/malloc.h> 51 #include <sys/device.h> 52 #include <sys/conf.h> 53 #include <sys/exec.h> 54 #include <sys/selinfo.h> 55 #include <sys/audioio.h> 56 57 #include <machine/bus.h> 58 #include <machine/intr.h> 59 60 #include <dev/pci/pcidevs.h> 61 #include <dev/pci/pcivar.h> 62 63 #include <dev/audio_if.h> 64 #include <dev/mulaw.h> 65 #include <dev/auconv.h> 66 #include <dev/ic/ac97.h> 67 68 #include <dev/pci/esareg.h> 69 #include <dev/pci/esavar.h> 70 #include <dev/microcode/esa/esadsp.h> 71 72 #define PCI_CBIO 0x10 73 74 #define ESA_DAC_DATA 0x1100 75 76 enum { 77 ESS_ALLEGRO1, 78 ESS_MAESTRO3 79 }; 80 81 static struct esa_card_type { 82 u_int16_t pci_vendor_id; 83 u_int16_t pci_product_id; 84 int type; 85 int delay1, delay2; 86 } esa_card_types[] = { 87 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_ES1989, 88 ESS_ALLEGRO1, 50, 800 }, 89 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3, 90 ESS_MAESTRO3, 20, 500 }, 91 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3_2, 92 ESS_MAESTRO3, 20, 500 }, 93 { 0, 0, 0, 0, 0 } 94 }; 95 96 struct audio_device esa_device = { 97 "ESS Allegro", 98 "", 99 "esa" 100 }; 101 102 int esa_match(struct device *, void *, void *); 103 void esa_attach(struct device *, struct device *, void *); 104 int esa_detach(struct device *, int); 105 int esa_activate(struct device *, int); 106 107 /* audio(9) functions */ 108 int esa_open(void *, int); 109 void esa_close(void *); 110 int esa_query_encoding(void *, struct audio_encoding *); 111 int esa_set_params(void *, int, int, struct audio_params *, 112 struct audio_params *); 113 void esa_get_default_params(void *, int, struct audio_params *); 114 int esa_round_blocksize(void *, int); 115 int esa_commit_settings(void *); 116 int esa_halt_output(void *); 117 int esa_halt_input(void *); 118 int esa_set_port(void *, mixer_ctrl_t *); 119 int esa_get_port(void *, mixer_ctrl_t *); 120 int esa_query_devinfo(void *, mixer_devinfo_t *); 121 void * esa_malloc(void *, int, size_t, int, int); 122 void esa_free(void *, void *, int); 123 int esa_getdev(void *, struct audio_device *); 124 size_t esa_round_buffersize(void *, int, size_t); 125 int esa_get_props(void *); 126 int esa_trigger_output(void *, void *, void *, int, 127 void (*)(void *), void *, 128 struct audio_params *); 129 int esa_trigger_input(void *, void *, void *, int, 130 void (*)(void *), void *, 131 struct audio_params *); 132 133 int esa_intr(void *); 134 int esa_allocmem(struct esa_softc *, size_t, size_t, 135 struct esa_dma *); 136 int esa_freemem(struct esa_softc *, struct esa_dma *); 137 paddr_t esa_mappage(void *addr, void *mem, off_t off, int prot); 138 139 /* Supporting subroutines */ 140 u_int16_t esa_read_assp(struct esa_softc *, u_int16_t, u_int16_t); 141 void esa_write_assp(struct esa_softc *, u_int16_t, u_int16_t, 142 u_int16_t); 143 int esa_init_codec(struct esa_softc *); 144 int esa_attach_codec(void *, struct ac97_codec_if *); 145 int esa_read_codec(void *, u_int8_t, u_int16_t *); 146 int esa_write_codec(void *, u_int8_t, u_int16_t); 147 void esa_reset_codec(void *); 148 enum ac97_host_flags esa_flags_codec(void *); 149 int esa_wait(struct esa_softc *); 150 int esa_init(struct esa_softc *); 151 void esa_config(struct esa_softc *); 152 u_int8_t esa_assp_halt(struct esa_softc *); 153 void esa_codec_reset(struct esa_softc *); 154 int esa_amp_enable(struct esa_softc *); 155 void esa_enable_interrupts(struct esa_softc *); 156 u_int32_t esa_get_pointer(struct esa_softc *, struct esa_channel *); 157 158 /* list management */ 159 int esa_add_list(struct esa_voice *, struct esa_list *, u_int16_t, 160 int); 161 void esa_remove_list(struct esa_voice *, struct esa_list *, int); 162 163 /* power management */ 164 int esa_suspend(struct esa_softc *); 165 int esa_resume(struct esa_softc *); 166 167 static audio_encoding_t esa_encoding[] = { 168 { 0, AudioEulinear, AUDIO_ENCODING_ULINEAR, 8, 1, 1, 0 }, 169 { 1, AudioEmulaw, AUDIO_ENCODING_ULAW, 8, 1, 1, 170 AUDIO_ENCODINGFLAG_EMULATED }, 171 { 2, AudioEalaw, AUDIO_ENCODING_ALAW, 8, 1, 1, 172 AUDIO_ENCODINGFLAG_EMULATED }, 173 { 3, AudioEslinear, AUDIO_ENCODING_SLINEAR, 8, 1, 1, 174 AUDIO_ENCODINGFLAG_EMULATED }, 175 { 4, AudioEslinear_le, AUDIO_ENCODING_SLINEAR_LE, 16, 2, 1, 0 }, 176 { 5, AudioEulinear_le, AUDIO_ENCODING_ULINEAR_LE, 16, 2, 1, 177 AUDIO_ENCODINGFLAG_EMULATED }, 178 { 6, AudioEslinear_be, AUDIO_ENCODING_SLINEAR_BE, 16, 2, 1, 179 AUDIO_ENCODINGFLAG_EMULATED }, 180 { 7, AudioEulinear_be, AUDIO_ENCODING_ULINEAR_BE, 16, 2, 1, 181 AUDIO_ENCODINGFLAG_EMULATED } 182 }; 183 184 #define ESA_NENCODINGS 8 185 186 struct audio_hw_if esa_hw_if = { 187 esa_open, 188 esa_close, 189 NULL, /* drain */ 190 esa_query_encoding, 191 esa_set_params, 192 esa_round_blocksize, 193 esa_commit_settings, 194 NULL, /* init_output */ 195 NULL, /* init_input */ 196 NULL, /* start_output */ 197 NULL, /* start_input */ 198 esa_halt_output, 199 esa_halt_input, 200 NULL, /* speaker_ctl */ 201 esa_getdev, 202 NULL, /* getfd */ 203 esa_set_port, 204 esa_get_port, 205 esa_query_devinfo, 206 esa_malloc, 207 esa_free, 208 esa_round_buffersize, 209 esa_mappage, 210 esa_get_props, 211 esa_trigger_output, 212 esa_trigger_input, 213 esa_get_default_params 214 }; 215 216 struct cfdriver esa_cd = { 217 NULL, "esa", DV_DULL 218 }; 219 220 struct cfattach esa_ca = { 221 sizeof(struct esa_softc), esa_match, esa_attach, 222 esa_detach, esa_activate 223 }; 224 225 /* 226 * audio(9) functions 227 */ 228 229 int 230 esa_open(void *hdl, int flags) 231 { 232 233 return (0); 234 } 235 236 void 237 esa_close(void *hdl) 238 { 239 240 return; 241 } 242 243 int 244 esa_query_encoding(void *hdl, struct audio_encoding *ae) 245 { 246 247 if (ae->index < 0 || ae->index >= ESA_NENCODINGS) 248 return (EINVAL); 249 *ae = esa_encoding[ae->index]; 250 251 return (0); 252 } 253 254 void 255 esa_get_default_params(void *addr, int mode, struct audio_params *params) 256 { 257 ac97_get_default_params(params); 258 } 259 260 int 261 esa_set_params(void *hdl, int setmode, int usemode, struct audio_params *play, 262 struct audio_params *rec) 263 { 264 struct esa_voice *vc = hdl; 265 //struct esa_softc *sc = (struct esa_softc *)vc->parent; 266 struct esa_channel *ch; 267 struct audio_params *p; 268 int mode; 269 270 for (mode = AUMODE_RECORD; mode != -1; 271 mode = (mode == AUMODE_RECORD) ? AUMODE_PLAY : -1) { 272 if ((setmode & mode) == 0) 273 continue; 274 275 switch (mode) { 276 case AUMODE_PLAY: 277 p = play; 278 ch = &vc->play; 279 break; 280 case AUMODE_RECORD: 281 p = rec; 282 ch = &vc->rec; 283 break; 284 } 285 286 if (p->sample_rate < ESA_MINRATE) 287 p->sample_rate = ESA_MINRATE; 288 if (p->sample_rate > ESA_MAXRATE) 289 p->sample_rate = ESA_MAXRATE; 290 if (p->precision > 16) 291 p->precision = 16; 292 if (p->channels > 2) 293 p->channels = 2; 294 295 p->factor = 1; 296 p->sw_code = 0; 297 298 switch(p->encoding) { 299 case AUDIO_ENCODING_SLINEAR_BE: 300 if (p->precision == 16) 301 p->sw_code = swap_bytes; 302 else 303 p->sw_code = change_sign8; 304 break; 305 case AUDIO_ENCODING_SLINEAR_LE: 306 if (p->precision != 16) 307 p->sw_code = change_sign8; 308 break; 309 case AUDIO_ENCODING_ULINEAR_BE: 310 if (p->precision == 16) { 311 if (mode == AUMODE_PLAY) 312 p->sw_code = 313 swap_bytes_change_sign16_le; 314 else 315 p->sw_code = 316 change_sign16_swap_bytes_le; 317 } 318 break; 319 case AUDIO_ENCODING_ULINEAR_LE: 320 if (p->precision == 16) 321 p->sw_code = change_sign16_le; 322 break; 323 case AUDIO_ENCODING_ULAW: 324 if (mode == AUMODE_PLAY) { 325 p->factor = 2; 326 p->sw_code = mulaw_to_slinear16_le; 327 } else 328 p->sw_code = ulinear8_to_mulaw; 329 break; 330 case AUDIO_ENCODING_ALAW: 331 if (mode == AUMODE_PLAY) { 332 p->factor = 2; 333 p->sw_code = alaw_to_slinear16_le; 334 } else 335 p->sw_code = ulinear8_to_alaw; 336 break; 337 default: 338 return (EINVAL); 339 } 340 p->bps = AUDIO_BPS(p->precision); 341 p->msb = 1; 342 343 ch->mode = *p; 344 } 345 346 return (0); 347 } 348 349 int 350 esa_commit_settings(void *hdl) 351 { 352 struct esa_voice *vc = hdl; 353 struct esa_softc *sc = (struct esa_softc *)vc->parent; 354 struct audio_params *p = &vc->play.mode; 355 struct audio_params *r = &vc->rec.mode; 356 u_int32_t data; 357 u_int32_t freq; 358 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 359 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 360 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 361 &~ 255; 362 363 /* playback */ 364 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * vc->index); 365 if (p->channels == 1) 366 data = 1; 367 else 368 data = 0; 369 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 370 vc->play.data_offset + ESA_SRC3_MODE_OFFSET, 371 data); 372 if (p->precision * p->factor == 8) 373 data = 1; 374 else 375 data = 0; 376 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 377 vc->play.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET, 378 data); 379 if ((freq = ((p->sample_rate << 15) + 24000) / 48000) != 0) { 380 freq--; 381 } 382 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 383 vc->play.data_offset + ESA_CDATA_FREQUENCY, freq); 384 385 /* recording */ 386 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * vc->index) + 387 (data_bytes / 2); 388 if (r->channels == 1) 389 data = 1; 390 else 391 data = 0; 392 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 393 vc->rec.data_offset + ESA_SRC3_MODE_OFFSET, 394 data); 395 if (r->precision * r->factor == 8) 396 data = 1; 397 else 398 data = 0; 399 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 400 vc->rec.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET, 401 data); 402 if ((freq = ((r->sample_rate << 15) + 24000) / 48000) != 0) { 403 freq--; 404 } 405 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 406 vc->rec.data_offset + ESA_CDATA_FREQUENCY, freq); 407 408 return (0); 409 }; 410 411 int 412 esa_round_blocksize(void *hdl, int bs) 413 { 414 struct esa_voice *vc = hdl; 415 416 /* 417 * Surely there has to be a better solution... 418 */ 419 vc->play.blksize = vc->rec.blksize = 4096; 420 421 return (vc->play.blksize); 422 } 423 424 int 425 esa_halt_output(void *hdl) 426 { 427 struct esa_voice *vc = hdl; 428 struct esa_softc *sc = (struct esa_softc *)vc->parent; 429 bus_space_tag_t iot = sc->sc_iot; 430 bus_space_handle_t ioh = sc->sc_ioh; 431 u_int16_t data; 432 433 if (vc->play.active == 0) 434 return (0); 435 436 vc->play.active = 0; 437 438 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 439 ESA_CDATA_INSTANCE_READY + vc->play.data_offset, 0); 440 441 sc->sc_ntimers--; 442 if (sc->sc_ntimers == 0) { 443 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 444 ESA_KDATA_TIMER_COUNT_RELOAD, 0); 445 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 446 ESA_KDATA_TIMER_COUNT_CURRENT, 0); 447 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 448 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 449 data & ~ESA_CLKRUN_GEN_ENABLE); 450 } 451 452 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 453 ESA_KDATA_MIXER_TASK_NUMBER, 454 sc->mixer_list.indexmap[vc->index]); 455 /* remove ourselves from the packed lists */ 456 esa_remove_list(vc, &sc->mixer_list, vc->index); 457 esa_remove_list(vc, &sc->dma_list, vc->index); 458 esa_remove_list(vc, &sc->msrc_list, vc->index); 459 460 return (0); 461 } 462 463 int 464 esa_halt_input(void *hdl) 465 { 466 struct esa_voice *vc = hdl; 467 struct esa_softc *sc = (struct esa_softc *)vc->parent; 468 bus_space_tag_t iot = sc->sc_iot; 469 bus_space_handle_t ioh = sc->sc_ioh; 470 u_int32_t data; 471 472 if (vc->rec.active == 0) 473 return (0); 474 475 vc->rec.active = 0; 476 477 sc->sc_ntimers--; 478 if (sc->sc_ntimers == 0) { 479 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 480 ESA_KDATA_TIMER_COUNT_RELOAD, 0); 481 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 482 ESA_KDATA_TIMER_COUNT_CURRENT, 0); 483 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 484 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 485 data & ~ESA_CLKRUN_GEN_ENABLE); 486 } 487 488 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, vc->rec.data_offset + 489 ESA_CDATA_INSTANCE_READY, 0); 490 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 491 0); 492 493 /* remove ourselves from the packed lists */ 494 esa_remove_list(vc, &sc->adc1_list, vc->index + ESA_NUM_VOICES); 495 esa_remove_list(vc, &sc->dma_list, vc->index + ESA_NUM_VOICES); 496 esa_remove_list(vc, &sc->msrc_list, vc->index + ESA_NUM_VOICES); 497 498 return (0); 499 } 500 501 void * 502 esa_malloc(void *hdl, int direction, size_t size, int type, int flags) 503 { 504 struct esa_voice *vc = hdl; 505 struct esa_softc *sc = (struct esa_softc *)vc->parent; 506 struct esa_dma *p; 507 int error; 508 509 p = malloc(sizeof(*p), type, flags); 510 if (!p) 511 return (0); 512 error = esa_allocmem(sc, size, 16, p); 513 if (error) { 514 free(p, type); 515 printf("%s: esa_malloc: not enough memory\n", 516 sc->sc_dev.dv_xname); 517 return (0); 518 } 519 p->next = vc->dma; 520 vc->dma = p; 521 522 return (KERNADDR(p)); 523 } 524 525 void 526 esa_free(void *hdl, void *addr, int type) 527 { 528 struct esa_voice *vc = hdl; 529 struct esa_softc *sc = (struct esa_softc *)vc->parent; 530 struct esa_dma *p; 531 struct esa_dma **pp; 532 533 for (pp = &vc->dma; (p = *pp) != NULL; pp = &p->next) 534 if (KERNADDR(p) == addr) { 535 esa_freemem(sc, p); 536 *pp = p->next; 537 free(p, type); 538 return; 539 } 540 } 541 542 int 543 esa_getdev(void *hdl, struct audio_device *ret) 544 { 545 546 *ret = esa_device; 547 548 return (0); 549 } 550 551 int 552 esa_set_port(void *hdl, mixer_ctrl_t *mc) 553 { 554 struct esa_voice *vc = hdl; 555 struct esa_softc *sc = (struct esa_softc *)vc->parent; 556 557 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, mc)); 558 } 559 560 int 561 esa_get_port(void *hdl, mixer_ctrl_t *mc) 562 { 563 struct esa_voice *vc = hdl; 564 struct esa_softc *sc = (struct esa_softc *)vc->parent; 565 566 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, mc)); 567 } 568 569 int 570 esa_query_devinfo(void *hdl, mixer_devinfo_t *di) 571 { 572 struct esa_voice *vc = hdl; 573 struct esa_softc *sc = (struct esa_softc *)vc->parent; 574 575 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, di)); 576 } 577 578 size_t 579 esa_round_buffersize(void *hdl, int direction, size_t bufsize) 580 { 581 struct esa_voice *vc = hdl; 582 583 /* 584 * We must be able to do better than this... 585 */ 586 vc->play.bufsize = vc->rec.bufsize = 65536; 587 588 return (vc->play.bufsize); 589 } 590 591 int 592 esa_get_props(void *hdl) 593 { 594 595 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX); 596 } 597 598 int 599 esa_trigger_output(void *hdl, void *start, void *end, int blksize, 600 void (*intr)(void *), void *intrarg, 601 struct audio_params *param) 602 { 603 struct esa_voice *vc = hdl; 604 struct esa_softc *sc = (struct esa_softc *)vc->parent; 605 struct esa_dma *p; 606 bus_space_tag_t iot = sc->sc_iot; 607 bus_space_handle_t ioh = sc->sc_ioh; 608 u_int32_t data; 609 u_int32_t bufaddr; 610 u_int32_t i; 611 size_t size; 612 613 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 614 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 615 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 616 &~ 255; 617 int dac_data = ESA_DAC_DATA + (data_bytes * vc->index); 618 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x20 * 2); 619 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x20 * 2); 620 int dsp_in_buf = dac_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 621 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 622 623 if (vc->play.active) 624 return (EINVAL); 625 626 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) 627 ; 628 if (!p) { 629 printf("%s: esa_trigger_output: bad addr %p\n", 630 sc->sc_dev.dv_xname, start); 631 return (EINVAL); 632 } 633 634 vc->play.active = 1; 635 vc->play.intr = intr; 636 vc->play.arg = intrarg; 637 vc->play.pos = 0; 638 vc->play.count = 0; 639 vc->play.buf = start; 640 size = (size_t)(((caddr_t)end - (caddr_t)start)); 641 bufaddr = DMAADDR(p); 642 vc->play.start = bufaddr; 643 644 #define LO(x) ((x) & 0x0000ffff) 645 #define HI(x) ((x) >> 16) 646 647 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 648 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 649 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 650 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 651 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 652 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 653 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 654 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 655 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 656 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 657 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 658 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 659 660 /* DSP buffers */ 661 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 662 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 663 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 664 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 665 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 666 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 667 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 668 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 669 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 670 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 671 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 672 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 673 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 674 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 675 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 676 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 677 678 /* Some per-client initializers */ 679 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 680 ESA_SRC3_DIRECTION_OFFSET + 12, dac_data + 40 + 8); 681 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 682 ESA_SRC3_DIRECTION_OFFSET + 19, 0x400 + ESA_MINISRC_COEF_LOC); 683 /* Enable or disable low-pass filter? (0xff if rate > 45000) */ 684 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 685 ESA_SRC3_DIRECTION_OFFSET + 22, 686 vc->play.mode.sample_rate > 45000 ? 0xff : 0); 687 /* Tell it which way DMA is going */ 688 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 689 ESA_CDATA_DMA_CONTROL, 690 ESA_DMACONTROL_AUTOREPEAT + ESA_DMAC_PAGE3_SELECTOR + 691 ESA_DMAC_BLOCKF_SELECTOR); 692 693 /* Set an armload of static initializers */ 694 for (i = 0; i < nitems(esa_playvals); i++) 695 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 696 esa_playvals[i].addr, esa_playvals[i].val); 697 698 /* Put us in the packed task lists */ 699 esa_add_list(vc, &sc->msrc_list, dac_data >> ESA_DP_SHIFT_COUNT, 700 vc->index); 701 esa_add_list(vc, &sc->dma_list, dac_data >> ESA_DP_SHIFT_COUNT, 702 vc->index); 703 esa_add_list(vc, &sc->mixer_list, dac_data >> ESA_DP_SHIFT_COUNT, 704 vc->index); 705 #undef LO 706 #undef HI 707 708 /* XXX */ 709 //esa_commit_settings(vc); 710 711 sc->sc_ntimers++; 712 713 if (sc->sc_ntimers == 1) { 714 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 715 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 716 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 717 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 718 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 719 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 720 data | ESA_CLKRUN_GEN_ENABLE); 721 } 722 723 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 724 ESA_CDATA_INSTANCE_READY, 1); 725 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 726 ESA_KDATA_MIXER_TASK_NUMBER, 727 sc->mixer_list.indexmap[vc->index]); 728 729 return (0); 730 } 731 732 int 733 esa_trigger_input(void *hdl, void *start, void *end, int blksize, 734 void (*intr)(void *), void *intrarg, 735 struct audio_params *param) 736 { 737 struct esa_voice *vc = hdl; 738 struct esa_softc *sc = (struct esa_softc *)vc->parent; 739 struct esa_dma *p; 740 bus_space_tag_t iot = sc->sc_iot; 741 bus_space_handle_t ioh = sc->sc_ioh; 742 u_int32_t data; 743 u_int32_t bufaddr; 744 u_int32_t i; 745 size_t size; 746 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 747 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 748 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 749 &~ 255; 750 int adc_data = ESA_DAC_DATA + (data_bytes * vc->index) + 751 (data_bytes / 2); 752 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x10 * 2); 753 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x10 * 2); 754 int dsp_in_buf = adc_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 755 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 756 vc->rec.data_offset = adc_data; 757 758 /* We only support 1 recording channel */ 759 if (vc->index > 0) 760 return (ENODEV); 761 762 if (vc->rec.active) 763 return (EINVAL); 764 765 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) 766 ; 767 if (!p) { 768 printf("%s: esa_trigger_input: bad addr %p\n", 769 sc->sc_dev.dv_xname, start); 770 return (EINVAL); 771 } 772 773 vc->rec.active = 1; 774 vc->rec.intr = intr; 775 vc->rec.arg = intrarg; 776 vc->rec.pos = 0; 777 vc->rec.count = 0; 778 vc->rec.buf = start; 779 size = (size_t)(((caddr_t)end - (caddr_t)start)); 780 bufaddr = DMAADDR(p); 781 vc->rec.start = bufaddr; 782 783 #define LO(x) ((x) & 0x0000ffff) 784 #define HI(x) ((x) >> 16) 785 786 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 787 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 788 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 789 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 790 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 791 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 792 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 793 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 794 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 795 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 796 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 797 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 798 799 /* DSP buffers */ 800 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 801 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 802 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 803 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 804 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 805 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 806 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 807 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 808 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 809 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 810 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 811 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 812 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 813 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 814 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 815 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 816 817 /* Some per-client initializers */ 818 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 819 ESA_SRC3_DIRECTION_OFFSET + 12, adc_data + 40 + 8); 820 /* Tell it which way DMA is going */ 821 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 822 ESA_CDATA_DMA_CONTROL, 823 ESA_DMACONTROL_DIRECTION + ESA_DMACONTROL_AUTOREPEAT + 824 ESA_DMAC_PAGE3_SELECTOR + ESA_DMAC_BLOCKF_SELECTOR); 825 826 /* Set an armload of static initializers */ 827 for (i = 0; i < nitems(esa_recvals); i++) 828 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 829 esa_recvals[i].addr, esa_recvals[i].val); 830 831 /* Put us in the packed task lists */ 832 esa_add_list(vc, &sc->adc1_list, adc_data >> ESA_DP_SHIFT_COUNT, 833 vc->index + ESA_NUM_VOICES); 834 esa_add_list(vc, &sc->msrc_list, adc_data >> ESA_DP_SHIFT_COUNT, 835 vc->index + ESA_NUM_VOICES); 836 esa_add_list(vc, &sc->dma_list, adc_data >> ESA_DP_SHIFT_COUNT, 837 vc->index + ESA_NUM_VOICES); 838 #undef LO 839 #undef HI 840 841 /* XXX */ 842 //esa_commit_settings(vc); 843 844 sc->sc_ntimers++; 845 if (sc->sc_ntimers == 1) { 846 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 847 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 848 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 849 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 850 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 851 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 852 data | ESA_CLKRUN_GEN_ENABLE); 853 } 854 855 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 856 ESA_CDATA_INSTANCE_READY, 1); 857 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 858 1); 859 860 return (0); 861 } 862 863 /* Interrupt handler */ 864 865 int 866 esa_intr(void *hdl) 867 { 868 struct esa_softc *sc = hdl; 869 struct esa_voice *vc; 870 bus_space_tag_t iot = sc->sc_iot; 871 bus_space_handle_t ioh = sc->sc_ioh; 872 u_int8_t status, ctl; 873 u_int32_t pos; 874 u_int32_t diff; 875 u_int32_t play_blksize, play_bufsize; 876 u_int32_t rec_blksize, rec_bufsize; 877 int i, claimed = 0; 878 879 status = bus_space_read_1(iot, ioh, ESA_HOST_INT_STATUS); 880 if (status == 0xff) 881 return (0); 882 883 /* ack the interrupt */ 884 bus_space_write_1(iot, ioh, ESA_HOST_INT_STATUS, status); 885 886 if (status & ESA_HV_INT_PENDING) { 887 u_int8_t event; 888 889 printf("%s: hardware volume interrupt\n", sc->sc_dev.dv_xname); 890 event = bus_space_read_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER); 891 switch(event) { 892 case 0x99: 893 case 0xaa: 894 case 0x66: 895 case 0x88: 896 printf("%s: esa_intr: FIXME\n", sc->sc_dev.dv_xname); 897 break; 898 default: 899 printf("%s: unknown hwvol event 0x%02x\n", 900 sc->sc_dev.dv_xname, event); 901 break; 902 } 903 bus_space_write_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER, 0x88); 904 claimed = 1; 905 } 906 907 if (status & ESA_ASSP_INT_PENDING) { 908 ctl = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_B); 909 if (!(ctl & ESA_STOP_ASSP_CLOCK)) { 910 ctl = bus_space_read_1(iot, ioh, 911 ESA_ASSP_HOST_INT_STATUS); 912 if (ctl & ESA_DSP2HOST_REQ_TIMER) { 913 bus_space_write_1(iot, ioh, 914 ESA_ASSP_HOST_INT_STATUS, 915 ESA_DSP2HOST_REQ_TIMER); 916 for (i = 0; i < ESA_NUM_VOICES; i++) { 917 vc = &sc->voice[i]; 918 if (vc->play.active) { 919 play_blksize = vc->play.blksize; 920 play_bufsize = vc->play.bufsize; 921 pos = esa_get_pointer(sc, &vc->play) 922 % play_bufsize; 923 diff = (play_bufsize + pos - vc->play.pos) 924 % play_bufsize; 925 vc->play.pos = pos; 926 vc->play.count += diff; 927 while(vc->play.count >= play_blksize) { 928 vc->play.count -= play_blksize; 929 (*vc->play.intr)(vc->play.arg); 930 } 931 } 932 if (vc->rec.active) { 933 rec_blksize = vc->rec.blksize; 934 rec_bufsize = vc->rec.bufsize; 935 pos = esa_get_pointer(sc, &vc->rec) 936 % rec_bufsize; 937 diff = (rec_bufsize + pos - vc->rec.pos) 938 % rec_bufsize; 939 vc->rec.pos = pos; 940 vc->rec.count += diff; 941 while(vc->rec.count >= rec_blksize) { 942 vc->rec.count -= rec_blksize; 943 (*vc->rec.intr)(vc->rec.arg); 944 } 945 } 946 } 947 } 948 } 949 claimed = 1; 950 } 951 952 return (claimed); 953 } 954 955 int 956 esa_allocmem(struct esa_softc *sc, size_t size, size_t align, 957 struct esa_dma *p) 958 { 959 int error; 960 961 p->size = size; 962 error = bus_dmamem_alloc(sc->sc_dmat, p->size, align, 0, 963 p->segs, sizeof(p->segs) / sizeof(p->segs[0]), 964 &p->nsegs, BUS_DMA_NOWAIT); 965 if (error) 966 return (error); 967 968 error = bus_dmamem_map(sc->sc_dmat, p->segs, p->nsegs, p->size, 969 &p->addr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT); 970 if (error) 971 goto free; 972 973 error = bus_dmamap_create(sc->sc_dmat, p->size, 1, p->size, 0, 974 BUS_DMA_NOWAIT, &p->map); 975 if (error) 976 goto unmap; 977 978 error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, p->size, NULL, 979 BUS_DMA_NOWAIT); 980 if (error) 981 goto destroy; 982 983 return (0); 984 985 destroy: 986 bus_dmamap_destroy(sc->sc_dmat, p->map); 987 unmap: 988 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 989 free: 990 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 991 992 return (error); 993 } 994 995 int 996 esa_freemem(struct esa_softc *sc, struct esa_dma *p) 997 { 998 999 bus_dmamap_unload(sc->sc_dmat, p->map); 1000 bus_dmamap_destroy(sc->sc_dmat, p->map); 1001 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 1002 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 1003 1004 return (0); 1005 } 1006 1007 /* 1008 * Supporting Subroutines 1009 */ 1010 const struct pci_matchid esa_devices[] = { 1011 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_ES1989 }, 1012 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3 }, 1013 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3_2 }, 1014 }; 1015 1016 int 1017 esa_match(struct device *dev, void *match, void *aux) 1018 { 1019 return (pci_matchbyid((struct pci_attach_args *)aux, esa_devices, 1020 nitems(esa_devices))); 1021 } 1022 1023 void 1024 esa_attach(struct device *parent, struct device *self, void *aux) 1025 { 1026 struct esa_softc *sc = (struct esa_softc *)self; 1027 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 1028 pcitag_t tag = pa->pa_tag; 1029 pci_chipset_tag_t pc = pa->pa_pc; 1030 pci_intr_handle_t ih; 1031 struct esa_card_type *card; 1032 const char *intrstr; 1033 int i, len; 1034 1035 for (card = esa_card_types; card->pci_vendor_id; card++) 1036 if (PCI_VENDOR(pa->pa_id) == card->pci_vendor_id && 1037 PCI_PRODUCT(pa->pa_id) == card->pci_product_id) { 1038 sc->type = card->type; 1039 sc->delay1 = card->delay1; 1040 sc->delay2 = card->delay2; 1041 break; 1042 } 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, 0)) { 1047 printf(": can't map i/o space\n"); 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 printf(": can't map interrupt\n"); 1059 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1060 return; 1061 } 1062 intrstr = pci_intr_string(pc, ih); 1063 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, esa_intr, self, 1064 sc->sc_dev.dv_xname); 1065 if (sc->sc_ih == NULL) { 1066 printf(": can't establish interrupt"); 1067 if (intrstr != NULL) 1068 printf(" at %s", intrstr); 1069 printf("\n"); 1070 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1071 return; 1072 } 1073 printf(": %s\n", intrstr); 1074 1075 /* Power up chip */ 1076 pci_set_powerstate(pc, tag, PCI_PMCSR_STATE_D0); 1077 1078 /* Init chip */ 1079 if (esa_init(sc) == -1) { 1080 printf("%s: esa_attach: unable to initialize the card\n", 1081 sc->sc_dev.dv_xname); 1082 pci_intr_disestablish(pc, sc->sc_ih); 1083 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1084 return; 1085 } 1086 1087 /* create suspend save area */ 1088 len = sizeof(u_int16_t) * (ESA_REV_B_CODE_MEMORY_LENGTH 1089 + ESA_REV_B_DATA_MEMORY_LENGTH + 1); 1090 sc->savemem = malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO); 1091 if (sc->savemem == NULL) { 1092 printf("%s: unable to allocate suspend buffer\n", 1093 sc->sc_dev.dv_xname); 1094 pci_intr_disestablish(pc, sc->sc_ih); 1095 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1096 return; 1097 } 1098 1099 /* 1100 * Every card I've seen has had their channels swapped with respect 1101 * to the mixer. Ie: 1102 * $ mixerctl -w outputs.master=0,191 1103 * Would result in the _right_ speaker being turned off. 1104 * 1105 * So, we will swap the left and right mixer channels to compensate 1106 * for this. 1107 */ 1108 sc->codec_flags |= AC97_HOST_SWAPPED_CHANNELS; 1109 sc->codec_flags |= AC97_HOST_DONT_READ; 1110 1111 /* Attach AC97 host interface */ 1112 sc->host_if.arg = self; 1113 sc->host_if.attach = esa_attach_codec; 1114 sc->host_if.read = esa_read_codec; 1115 sc->host_if.write = esa_write_codec; 1116 sc->host_if.reset = esa_reset_codec; 1117 sc->host_if.flags = esa_flags_codec; 1118 1119 if (ac97_attach(&sc->host_if) != 0) { 1120 pci_intr_disestablish(pc, sc->sc_ih); 1121 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1122 free(sc->savemem, M_DEVBUF); 1123 return; 1124 } 1125 1126 /* initialize list management structures */ 1127 sc->mixer_list.mem_addr = ESA_KDATA_MIXER_XFER0; 1128 sc->mixer_list.max = ESA_MAX_VIRTUAL_MIXER_CHANNELS; 1129 sc->adc1_list.mem_addr = ESA_KDATA_ADC1_XFER0; 1130 sc->adc1_list.max = ESA_MAX_VIRTUAL_ADC1_CHANNELS; 1131 sc->dma_list.mem_addr = ESA_KDATA_DMA_XFER0; 1132 sc->dma_list.max = ESA_MAX_VIRTUAL_DMA_CHANNELS; 1133 sc->msrc_list.mem_addr = ESA_KDATA_INSTANCE0_MINISRC; 1134 sc->msrc_list.max = ESA_MAX_INSTANCE_MINISRC; 1135 1136 /* initialize index maps */ 1137 for (i = 0; i < ESA_NUM_VOICES * 2; i++) { 1138 sc->mixer_list.indexmap[i] = -1; 1139 sc->msrc_list.indexmap[i] = -1; 1140 sc->dma_list.indexmap[i] = -1; 1141 sc->adc1_list.indexmap[i] = -1; 1142 } 1143 for (i = 0; i < ESA_NUM_VOICES; i++) { 1144 sc->voice[i].parent = (struct device *)sc; 1145 sc->voice[i].index = i; 1146 sc->sc_audiodev[i] = 1147 audio_attach_mi(&esa_hw_if, &sc->voice[i], &sc->sc_dev); 1148 } 1149 } 1150 1151 int 1152 esa_detach(struct device *self, int flags) 1153 { 1154 struct esa_softc *sc = (struct esa_softc *)self; 1155 int i; 1156 1157 for (i = 0; i < ESA_NUM_VOICES; i++) { 1158 if (sc->sc_audiodev[i] != NULL) 1159 config_detach(sc->sc_audiodev[i], flags); 1160 } 1161 1162 if (sc->sc_ih != NULL) 1163 pci_intr_disestablish(sc->sc_pct, sc->sc_ih); 1164 if (sc->sc_ios) 1165 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1166 1167 free(sc->savemem, M_DEVBUF); 1168 1169 return (0); 1170 } 1171 1172 u_int16_t 1173 esa_read_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index) 1174 { 1175 u_int16_t data; 1176 bus_space_tag_t iot = sc->sc_iot; 1177 bus_space_handle_t ioh = sc->sc_ioh; 1178 1179 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1180 region & ESA_MEMTYPE_MASK); 1181 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1182 data = bus_space_read_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA); 1183 1184 return (data); 1185 } 1186 1187 void 1188 esa_write_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index, 1189 u_int16_t data) 1190 { 1191 bus_space_tag_t iot = sc->sc_iot; 1192 bus_space_handle_t ioh = sc->sc_ioh; 1193 1194 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1195 region & ESA_MEMTYPE_MASK); 1196 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1197 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA, data); 1198 1199 return; 1200 } 1201 1202 int 1203 esa_init_codec(struct esa_softc *sc) 1204 { 1205 bus_space_tag_t iot = sc->sc_iot; 1206 bus_space_handle_t ioh = sc->sc_ioh; 1207 u_int32_t data; 1208 1209 data = bus_space_read_1(iot, ioh, ESA_CODEC_COMMAND); 1210 1211 return ((data & 0x1) ? 0 : 1); 1212 } 1213 1214 int 1215 esa_attach_codec(void *aux, struct ac97_codec_if *codec_if) 1216 { 1217 struct esa_softc *sc = aux; 1218 1219 sc->codec_if = codec_if; 1220 1221 return (0); 1222 } 1223 1224 int 1225 esa_read_codec(void *aux, u_int8_t reg, u_int16_t *result) 1226 { 1227 struct esa_softc *sc = aux; 1228 bus_space_tag_t iot = sc->sc_iot; 1229 bus_space_handle_t ioh = sc->sc_ioh; 1230 1231 if (esa_wait(sc)) 1232 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1233 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, (reg & 0x7f) | 0x80); 1234 delay(50); 1235 if (esa_wait(sc)) 1236 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1237 *result = bus_space_read_2(iot, ioh, ESA_CODEC_DATA); 1238 1239 return (0); 1240 } 1241 1242 int 1243 esa_write_codec(void *aux, u_int8_t reg, u_int16_t data) 1244 { 1245 struct esa_softc *sc = aux; 1246 bus_space_tag_t iot = sc->sc_iot; 1247 bus_space_handle_t ioh = sc->sc_ioh; 1248 1249 if (esa_wait(sc)) { 1250 printf("%s: esa_write_codec: timed out\n", sc->sc_dev.dv_xname); 1251 return (-1); 1252 } 1253 bus_space_write_2(iot, ioh, ESA_CODEC_DATA, data); 1254 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, reg & 0x7f); 1255 delay(50); 1256 1257 return (0); 1258 } 1259 1260 void 1261 esa_reset_codec(void *aux) 1262 { 1263 1264 return; 1265 } 1266 1267 enum ac97_host_flags 1268 esa_flags_codec(void *aux) 1269 { 1270 struct esa_softc *sc = aux; 1271 1272 return (sc->codec_flags); 1273 } 1274 1275 int 1276 esa_wait(struct esa_softc *sc) 1277 { 1278 int i, val; 1279 bus_space_tag_t iot = sc->sc_iot; 1280 bus_space_handle_t ioh = sc->sc_ioh; 1281 1282 for (i = 0; i < 20; i++) { 1283 val = bus_space_read_1(iot, ioh, ESA_CODEC_STATUS); 1284 if ((val & 1) == 0) 1285 return (0); 1286 delay(2); 1287 } 1288 1289 return (-1); 1290 } 1291 1292 int 1293 esa_init(struct esa_softc *sc) 1294 { 1295 struct esa_voice *vc; 1296 bus_space_tag_t iot = sc->sc_iot; 1297 bus_space_handle_t ioh = sc->sc_ioh; 1298 pcitag_t tag = sc->sc_tag; 1299 pci_chipset_tag_t pc = sc->sc_pct; 1300 u_int32_t data, i, size; 1301 u_int8_t reset_state; 1302 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 1303 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 1304 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 1305 &~ 255; 1306 1307 /* Disable legacy emulation */ 1308 data = pci_conf_read(pc, tag, PCI_LEGACY_AUDIO_CTRL); 1309 data |= DISABLE_LEGACY; 1310 pci_conf_write(pc, tag, PCI_LEGACY_AUDIO_CTRL, data); 1311 1312 esa_config(sc); 1313 1314 reset_state = esa_assp_halt(sc); 1315 1316 esa_init_codec(sc); 1317 esa_codec_reset(sc); 1318 1319 /* Zero kernel and mixer data */ 1320 size = ESA_REV_B_DATA_MEMORY_UNIT_LENGTH * ESA_NUM_UNITS_KERNEL_DATA; 1321 for (i = 0; i < size / 2; i++) { 1322 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1323 ESA_KDATA_BASE_ADDR + i, 0); 1324 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1325 ESA_KDATA_BASE_ADDR2 + i, 0); 1326 } 1327 1328 /* Init DMA pointer */ 1329 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_CURRENT_DMA, 1330 ESA_KDATA_DMA_XFER0); 1331 1332 /* Write kernel code into memory */ 1333 size = nitems(esa_assp_kernel_image); 1334 for (i = 0; i < size; i++) 1335 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1336 ESA_REV_B_CODE_MEMORY_BEGIN + i, esa_assp_kernel_image[i]); 1337 1338 size = nitems(esa_assp_minisrc_image); 1339 for (i = 0; i < size; i++) 1340 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 0x400 + i, 1341 esa_assp_minisrc_image[i]); 1342 1343 /* Write the coefficients for the low pass filter */ 1344 size = nitems(esa_minisrc_lpf_image); 1345 for (i = 0; i < size; i++) 1346 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1347 0x400 + ESA_MINISRC_COEF_LOC + i, esa_minisrc_lpf_image[i]); 1348 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1349 0x400 + ESA_MINISRC_COEF_LOC + size, 0x8000); 1350 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TASK0, 0x400); 1351 /* Init the mixer number */ 1352 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1353 ESA_KDATA_MIXER_TASK_NUMBER, 0); 1354 /* Extreme kernel master volume */ 1355 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1356 ESA_KDATA_DAC_LEFT_VOLUME, ESA_ARB_VOLUME); 1357 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1358 ESA_KDATA_DAC_RIGHT_VOLUME, ESA_ARB_VOLUME); 1359 1360 if (esa_amp_enable(sc)) 1361 return (-1); 1362 1363 /* Zero entire DAC/ADC area */ 1364 for (i = 0x1100; i < 0x1c00; i++) 1365 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 0); 1366 1367 /* set some sane defaults */ 1368 for (i = 0; i < ESA_NUM_VOICES; i++) { 1369 vc = &sc->voice[i]; 1370 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * i); 1371 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * i * 2); 1372 } 1373 1374 esa_enable_interrupts(sc); 1375 1376 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1377 reset_state | ESA_REGB_ENABLE_RESET); 1378 1379 return (0); 1380 } 1381 1382 void 1383 esa_config(struct esa_softc *sc) 1384 { 1385 bus_space_tag_t iot = sc->sc_iot; 1386 bus_space_handle_t ioh = sc->sc_ioh; 1387 pcitag_t tag = sc->sc_tag; 1388 pci_chipset_tag_t pc = sc->sc_pct; 1389 u_int32_t data; 1390 1391 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1392 data &= ESA_REDUCED_DEBOUNCE; 1393 data |= ESA_PM_CTRL_ENABLE | ESA_CLK_DIV_BY_49 | ESA_USE_PCI_TIMING; 1394 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1395 1396 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RESET_ASSP); 1397 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1398 data &= ~ESA_INT_CLK_SELECT; 1399 if (sc->type == ESS_MAESTRO3) { 1400 data &= ~ESA_INT_CLK_MULT_ENABLE; 1401 data |= ESA_INT_CLK_SRC_NOT_PCI; 1402 } 1403 data &= ~(ESA_CLK_MULT_MODE_SELECT | ESA_CLK_MULT_MODE_SELECT_2); 1404 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1405 1406 if (sc->type == ESS_ALLEGRO1) { 1407 data = pci_conf_read(pc, tag, ESA_PCI_USER_CONFIG); 1408 data |= ESA_IN_CLK_12MHZ_SELECT; 1409 pci_conf_write(pc, tag, ESA_PCI_USER_CONFIG, data); 1410 } 1411 1412 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_A); 1413 data &= ~(ESA_DSP_CLK_36MHZ_SELECT | ESA_ASSP_CLK_49MHZ_SELECT); 1414 data |= ESA_ASSP_CLK_49MHZ_SELECT; /* XXX: Assumes 49MHz DSP */ 1415 data |= ESA_ASSP_0_WS_ENABLE; 1416 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_A, data); 1417 1418 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RUN_ASSP); 1419 1420 return; 1421 } 1422 1423 u_int8_t 1424 esa_assp_halt(struct esa_softc *sc) 1425 { 1426 bus_space_tag_t iot = sc->sc_iot; 1427 bus_space_handle_t ioh = sc->sc_ioh; 1428 u_int8_t data, reset_state; 1429 1430 data = bus_space_read_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B); 1431 reset_state = data & ~ESA_REGB_STOP_CLOCK; 1432 delay(10000); /* XXX use tsleep */ 1433 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1434 reset_state & ~ESA_REGB_ENABLE_RESET); 1435 delay(10000); /* XXX use tsleep */ 1436 1437 return (reset_state); 1438 } 1439 1440 void 1441 esa_codec_reset(struct esa_softc *sc) 1442 { 1443 bus_space_tag_t iot = sc->sc_iot; 1444 bus_space_handle_t ioh = sc->sc_ioh; 1445 u_int16_t data, dir; 1446 int retry = 0; 1447 1448 do { 1449 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1450 dir = data | 0x10; /* assuming pci bus master? */ 1451 1452 /* remote codec config */ 1453 data = bus_space_read_2(iot, ioh, ESA_RING_BUS_CTRL_B); 1454 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_B, 1455 data & ~ESA_SECOND_CODEC_ID_MASK); 1456 data = bus_space_read_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL); 1457 bus_space_write_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL, 1458 data & ~ESA_COMMAND_ADDR_OUT); 1459 data = bus_space_read_2(iot, ioh, ESA_SDO_IN_DEST_CTRL); 1460 bus_space_write_2(iot, ioh, ESA_SDO_IN_DEST_CTRL, 1461 data & ~ESA_STATUS_ADDR_IN); 1462 1463 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1464 ESA_IO_SRAM_ENABLE); 1465 delay(20); 1466 1467 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1468 dir & ~ESA_GPO_PRIMARY_AC97); 1469 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, 1470 ~ESA_GPO_PRIMARY_AC97); 1471 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 0); 1472 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1473 dir | ESA_GPO_PRIMARY_AC97); 1474 delay(sc->delay1 * 1000); 1475 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 1476 ESA_GPO_PRIMARY_AC97); 1477 delay(5); 1478 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1479 ESA_IO_SRAM_ENABLE | ESA_SERIAL_AC_LINK_ENABLE); 1480 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1481 delay(sc->delay2 * 1000); 1482 1483 esa_read_codec(sc, 0x7c, &data); 1484 if ((data == 0) || (data == 0xffff)) { 1485 retry++; 1486 if (retry > 3) { 1487 printf("%s: esa_codec_reset: failed\n", 1488 sc->sc_dev.dv_xname); 1489 break; 1490 } 1491 printf("%s: esa_codec_reset: retrying\n", 1492 sc->sc_dev.dv_xname); 1493 } else 1494 retry = 0; 1495 } while (retry); 1496 1497 return; 1498 } 1499 1500 int 1501 esa_amp_enable(struct esa_softc *sc) 1502 { 1503 bus_space_tag_t iot = sc->sc_iot; 1504 bus_space_handle_t ioh = sc->sc_ioh; 1505 u_int32_t gpo, polarity_port, polarity; 1506 u_int16_t data; 1507 1508 switch (sc->type) { 1509 case ESS_ALLEGRO1: 1510 polarity_port = 0x1800; 1511 break; 1512 case ESS_MAESTRO3: 1513 polarity_port = 0x1100; 1514 break; 1515 default: 1516 printf("%s: esa_amp_enable: Unknown chip type!!!\n", 1517 sc->sc_dev.dv_xname); 1518 return (1); 1519 } 1520 1521 gpo = (polarity_port >> 8) & 0x0f; 1522 polarity = polarity_port >> 12; 1523 polarity = !polarity; /* Enable */ 1524 polarity = polarity << gpo; 1525 gpo = 1 << gpo; 1526 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~gpo); 1527 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1528 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, data | gpo); 1529 data = ESA_GPO_SECONDARY_AC97 | ESA_GPO_PRIMARY_AC97 | polarity; 1530 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, data); 1531 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1532 1533 return (0); 1534 } 1535 1536 void 1537 esa_enable_interrupts(struct esa_softc *sc) 1538 { 1539 bus_space_tag_t iot = sc->sc_iot; 1540 bus_space_handle_t ioh = sc->sc_ioh; 1541 u_int8_t data; 1542 1543 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 1544 ESA_ASSP_INT_ENABLE | ESA_HV_INT_ENABLE); 1545 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_C); 1546 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 1547 data | ESA_ASSP_HOST_INT_ENABLE); 1548 } 1549 1550 /* 1551 * List management 1552 */ 1553 int 1554 esa_add_list(struct esa_voice *vc, struct esa_list *el, 1555 u_int16_t val, int index) 1556 { 1557 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1558 1559 el->indexmap[index] = el->currlen; 1560 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1561 el->mem_addr + el->currlen, 1562 val); 1563 1564 return (el->currlen++); 1565 } 1566 1567 void 1568 esa_remove_list(struct esa_voice *vc, struct esa_list *el, int index) 1569 { 1570 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1571 u_int16_t val; 1572 int lastindex = el->currlen - 1; 1573 int vindex = el->indexmap[index]; 1574 int i; 1575 1576 /* reset our virtual index */ 1577 el->indexmap[index] = -1; 1578 1579 if (vindex != lastindex) { 1580 val = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1581 el->mem_addr + lastindex); 1582 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1583 el->mem_addr + vindex, 1584 val); 1585 for (i = 0; i < ESA_NUM_VOICES * 2; i++) 1586 if (el->indexmap[i] == lastindex) 1587 break; 1588 if (i >= ESA_NUM_VOICES * 2) 1589 printf("%s: esa_remove_list: invalid task index\n", 1590 sc->sc_dev.dv_xname); 1591 else 1592 el->indexmap[i] = vindex; 1593 } 1594 1595 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1596 el->mem_addr + lastindex, 0); 1597 el->currlen--; 1598 1599 return; 1600 } 1601 1602 int 1603 esa_activate(struct device *self, int act) 1604 { 1605 struct esa_softc *sc = (struct esa_softc *)self; 1606 1607 switch (act) { 1608 case DVACT_SUSPEND: 1609 esa_suspend(sc); 1610 break; 1611 case DVACT_RESUME: 1612 esa_resume(sc); 1613 (sc->codec_if->vtbl->restore_ports)(sc->codec_if); 1614 break; 1615 } 1616 return 0; 1617 } 1618 1619 int 1620 esa_suspend(struct esa_softc *sc) 1621 { 1622 bus_space_tag_t iot = sc->sc_iot; 1623 bus_space_handle_t ioh = sc->sc_ioh; 1624 int i, index; 1625 1626 index = 0; 1627 1628 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 0); 1629 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 0); 1630 1631 esa_assp_halt(sc); 1632 1633 /* Save ASSP state */ 1634 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1635 i++) 1636 sc->savemem[index++] = esa_read_assp(sc, 1637 ESA_MEMTYPE_INTERNAL_CODE, i); 1638 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1639 i++) 1640 sc->savemem[index++] = esa_read_assp(sc, 1641 ESA_MEMTYPE_INTERNAL_DATA, i); 1642 1643 pci_set_powerstate(sc->sc_pct, sc->sc_tag, PCI_PMCSR_STATE_D3); 1644 1645 return (0); 1646 } 1647 1648 int 1649 esa_resume(struct esa_softc *sc) { 1650 bus_space_tag_t iot = sc->sc_iot; 1651 bus_space_handle_t ioh = sc->sc_ioh; 1652 int i, index; 1653 u_int8_t reset_state; 1654 1655 index = 0; 1656 1657 pci_set_powerstate(sc->sc_pct, sc->sc_tag, PCI_PMCSR_STATE_D0); 1658 delay(10000); 1659 1660 esa_config(sc); 1661 1662 reset_state = esa_assp_halt(sc); 1663 1664 esa_codec_reset(sc); 1665 1666 /* restore ASSP */ 1667 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1668 i++) 1669 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, i, 1670 sc->savemem[index++]); 1671 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1672 i++) 1673 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 1674 sc->savemem[index++]); 1675 1676 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_ACTIVE, 0); 1677 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1678 reset_state | ESA_REGB_ENABLE_RESET); 1679 1680 esa_enable_interrupts(sc); 1681 esa_amp_enable(sc); 1682 1683 return (0); 1684 } 1685 1686 u_int32_t 1687 esa_get_pointer(struct esa_softc *sc, struct esa_channel *ch) 1688 { 1689 u_int16_t hi = 0, lo = 0; 1690 u_int32_t addr; 1691 int data_offset = ch->data_offset; 1692 1693 hi = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1694 ESA_CDATA_HOST_SRC_CURRENTH); 1695 lo = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1696 ESA_CDATA_HOST_SRC_CURRENTL); 1697 1698 addr = lo | ((u_int32_t)hi << 16); 1699 return (addr - ch->start); 1700 } 1701 1702 paddr_t 1703 esa_mappage(void *addr, void *mem, off_t off, int prot) 1704 { 1705 struct esa_voice *vc = addr; 1706 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1707 struct esa_dma *p; 1708 1709 if (off < 0) 1710 return (-1); 1711 for (p = vc->dma; p && KERNADDR(p) != mem; p = p->next) 1712 ; 1713 if (!p) 1714 return (-1); 1715 return (bus_dmamem_mmap(sc->sc_dmat, p->segs, p->nsegs, 1716 off, prot, BUS_DMA_WAITOK)); 1717 } 1718