1 /* $OpenBSD: esa.c,v 1.16 2008/10/25 22:30:43 jakemsr Exp $ */ 2 /* $NetBSD: esa.c,v 1.12 2002/03/24 14:17:35 jmcneill Exp $ */ 3 4 /* 5 * Copyright (c) 2001, 2002 Jared D. McNeill <jmcneill@invisible.ca> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 /* 30 * Shamelessly stolen from NetBSD who based it on FreeBSD's who in turn 31 * based it on Linux's driver. What a wonderful world. 32 * 33 * 34 * ESS Allegro-1 / Maestro3 Audio Driver 35 * 36 * Based on the FreeBSD maestro3 driver and the NetBSD eap driver. 37 * Original driver by Don Kim. 38 * 39 * The list management code could possibly be written better, but what 40 * we have right now does the job nicely. Thanks to Zach Brown <zab@zabbo.net> 41 * and Andrew MacDonald <amac@epsilon.yi.org> for helping me debug the 42 * problems with the original list management code present in the Linux 43 * driver. 44 */ 45 46 #include <sys/types.h> 47 #include <sys/errno.h> 48 #include <sys/param.h> 49 #include <sys/systm.h> 50 #include <sys/malloc.h> 51 #include <sys/device.h> 52 #include <sys/conf.h> 53 #include <sys/exec.h> 54 #include <sys/selinfo.h> 55 #include <sys/audioio.h> 56 57 #include <machine/bus.h> 58 #include <machine/intr.h> 59 60 #include <dev/pci/pcidevs.h> 61 #include <dev/pci/pcivar.h> 62 63 #include <dev/audio_if.h> 64 #include <dev/mulaw.h> 65 #include <dev/auconv.h> 66 #include <dev/ic/ac97.h> 67 68 #include <dev/pci/esareg.h> 69 #include <dev/pci/esavar.h> 70 #include <dev/microcode/esa/esadsp.h> 71 72 #define PCI_CBIO 0x10 73 74 #define ESA_DAC_DATA 0x1100 75 76 enum { 77 ESS_ALLEGRO1, 78 ESS_MAESTRO3 79 }; 80 81 static struct esa_card_type { 82 u_int16_t pci_vendor_id; 83 u_int16_t pci_product_id; 84 int type; 85 int delay1, delay2; 86 } esa_card_types[] = { 87 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_ES1989, 88 ESS_ALLEGRO1, 50, 800 }, 89 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3, 90 ESS_MAESTRO3, 20, 500 }, 91 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3_2, 92 ESS_MAESTRO3, 20, 500 }, 93 { 0, 0, 0, 0, 0 } 94 }; 95 96 struct audio_device esa_device = { 97 "ESS Allegro", 98 "", 99 "esa" 100 }; 101 102 int esa_match(struct device *, void *, void *); 103 void esa_attach(struct device *, struct device *, void *); 104 int esa_detach(struct device *, int); 105 106 /* audio(9) functions */ 107 int esa_open(void *, int); 108 void esa_close(void *); 109 int esa_query_encoding(void *, struct audio_encoding *); 110 int esa_set_params(void *, int, int, struct audio_params *, 111 struct audio_params *); 112 void esa_get_default_params(void *, int, struct audio_params *); 113 int esa_round_blocksize(void *, int); 114 int esa_commit_settings(void *); 115 int esa_halt_output(void *); 116 int esa_halt_input(void *); 117 int esa_set_port(void *, mixer_ctrl_t *); 118 int esa_get_port(void *, mixer_ctrl_t *); 119 int esa_query_devinfo(void *, mixer_devinfo_t *); 120 void * esa_malloc(void *, int, size_t, int, int); 121 void esa_free(void *, void *, int); 122 int esa_getdev(void *, struct audio_device *); 123 size_t esa_round_buffersize(void *, int, size_t); 124 int esa_get_props(void *); 125 int esa_trigger_output(void *, void *, void *, int, 126 void (*)(void *), void *, 127 struct audio_params *); 128 int esa_trigger_input(void *, void *, void *, int, 129 void (*)(void *), void *, 130 struct audio_params *); 131 132 int esa_intr(void *); 133 int esa_allocmem(struct esa_softc *, size_t, size_t, 134 struct esa_dma *); 135 int esa_freemem(struct esa_softc *, struct esa_dma *); 136 paddr_t esa_mappage(void *addr, void *mem, off_t off, int prot); 137 138 /* Supporting subroutines */ 139 u_int16_t esa_read_assp(struct esa_softc *, u_int16_t, u_int16_t); 140 void esa_write_assp(struct esa_softc *, u_int16_t, u_int16_t, 141 u_int16_t); 142 int esa_init_codec(struct esa_softc *); 143 int esa_attach_codec(void *, struct ac97_codec_if *); 144 int esa_read_codec(void *, u_int8_t, u_int16_t *); 145 int esa_write_codec(void *, u_int8_t, u_int16_t); 146 void esa_reset_codec(void *); 147 enum ac97_host_flags esa_flags_codec(void *); 148 int esa_wait(struct esa_softc *); 149 int esa_init(struct esa_softc *); 150 void esa_config(struct esa_softc *); 151 u_int8_t esa_assp_halt(struct esa_softc *); 152 void esa_codec_reset(struct esa_softc *); 153 int esa_amp_enable(struct esa_softc *); 154 void esa_enable_interrupts(struct esa_softc *); 155 u_int32_t esa_get_pointer(struct esa_softc *, struct esa_channel *); 156 157 /* list management */ 158 int esa_add_list(struct esa_voice *, struct esa_list *, u_int16_t, 159 int); 160 void esa_remove_list(struct esa_voice *, struct esa_list *, int); 161 162 /* power management */ 163 void esa_powerhook(int, void *); 164 int esa_suspend(struct esa_softc *); 165 int esa_resume(struct esa_softc *); 166 167 static audio_encoding_t esa_encoding[] = { 168 { 0, AudioEulinear, AUDIO_ENCODING_ULINEAR, 8, 0 }, 169 { 1, AudioEmulaw, AUDIO_ENCODING_ULAW, 8, 170 AUDIO_ENCODINGFLAG_EMULATED }, 171 { 2, AudioEalaw, AUDIO_ENCODING_ALAW, 8, AUDIO_ENCODINGFLAG_EMULATED }, 172 { 3, AudioEslinear, AUDIO_ENCODING_SLINEAR, 8, 173 AUDIO_ENCODINGFLAG_EMULATED }, /* XXX: Are you sure? */ 174 { 4, AudioEslinear_le, AUDIO_ENCODING_SLINEAR_LE, 16, 0 }, 175 { 5, AudioEulinear_le, AUDIO_ENCODING_ULINEAR_LE, 16, 176 AUDIO_ENCODINGFLAG_EMULATED }, 177 { 6, AudioEslinear_be, AUDIO_ENCODING_SLINEAR_BE, 16, 178 AUDIO_ENCODINGFLAG_EMULATED }, 179 { 7, AudioEulinear_be, AUDIO_ENCODING_ULINEAR_BE, 16, 180 AUDIO_ENCODINGFLAG_EMULATED } 181 }; 182 183 #define ESA_NENCODINGS 8 184 185 struct audio_hw_if esa_hw_if = { 186 esa_open, 187 esa_close, 188 NULL, /* drain */ 189 esa_query_encoding, 190 esa_set_params, 191 esa_round_blocksize, 192 esa_commit_settings, 193 NULL, /* init_output */ 194 NULL, /* init_input */ 195 NULL, /* start_output */ 196 NULL, /* start_input */ 197 esa_halt_output, 198 esa_halt_input, 199 NULL, /* speaker_ctl */ 200 esa_getdev, 201 NULL, /* getfd */ 202 esa_set_port, 203 esa_get_port, 204 esa_query_devinfo, 205 esa_malloc, 206 esa_free, 207 esa_round_buffersize, 208 esa_mappage, 209 esa_get_props, 210 esa_trigger_output, 211 esa_trigger_input, 212 esa_get_default_params 213 }; 214 215 struct cfdriver esa_cd = { 216 NULL, "esa", DV_DULL 217 }; 218 219 struct cfattach esa_ca = { 220 sizeof(struct esa_softc), esa_match, esa_attach, 221 esa_detach, /*esa_activate*/ NULL 222 }; 223 224 /* 225 * audio(9) functions 226 */ 227 228 int 229 esa_open(void *hdl, int flags) 230 { 231 232 return (0); 233 } 234 235 void 236 esa_close(void *hdl) 237 { 238 239 return; 240 } 241 242 int 243 esa_query_encoding(void *hdl, struct audio_encoding *ae) 244 { 245 246 if (ae->index < 0 || ae->index >= ESA_NENCODINGS) 247 return (EINVAL); 248 *ae = esa_encoding[ae->index]; 249 250 return (0); 251 } 252 253 void 254 esa_get_default_params(void *addr, int mode, struct audio_params *params) 255 { 256 ac97_get_default_params(params); 257 } 258 259 int 260 esa_set_params(void *hdl, int setmode, int usemode, struct audio_params *play, 261 struct audio_params *rec) 262 { 263 struct esa_voice *vc = hdl; 264 //struct esa_softc *sc = (struct esa_softc *)vc->parent; 265 struct esa_channel *ch; 266 struct audio_params *p; 267 int mode; 268 269 for (mode = AUMODE_RECORD; mode != -1; 270 mode = (mode == AUMODE_RECORD) ? AUMODE_PLAY : -1) { 271 if ((setmode & mode) == 0) 272 continue; 273 274 switch (mode) { 275 case AUMODE_PLAY: 276 p = play; 277 ch = &vc->play; 278 break; 279 case AUMODE_RECORD: 280 p = rec; 281 ch = &vc->rec; 282 break; 283 } 284 285 if (p->sample_rate < ESA_MINRATE) 286 p->sample_rate = ESA_MINRATE; 287 if (p->sample_rate > ESA_MAXRATE) 288 p->sample_rate = ESA_MAXRATE; 289 if (p->precision > 16) 290 p->precision = 16; 291 if (p->channels > 2) 292 p->channels = 2; 293 294 p->factor = 1; 295 p->sw_code = 0; 296 297 switch(p->encoding) { 298 case AUDIO_ENCODING_SLINEAR_BE: 299 if (p->precision == 16) 300 p->sw_code = swap_bytes; 301 else 302 p->sw_code = change_sign8; 303 break; 304 case AUDIO_ENCODING_SLINEAR_LE: 305 if (p->precision != 16) 306 p->sw_code = change_sign8; 307 break; 308 case AUDIO_ENCODING_ULINEAR_BE: 309 if (p->precision == 16) { 310 if (mode == AUMODE_PLAY) 311 p->sw_code = 312 swap_bytes_change_sign16_le; 313 else 314 p->sw_code = 315 change_sign16_swap_bytes_le; 316 } 317 break; 318 case AUDIO_ENCODING_ULINEAR_LE: 319 if (p->precision == 16) 320 p->sw_code = change_sign16_le; 321 break; 322 case AUDIO_ENCODING_ULAW: 323 if (mode == AUMODE_PLAY) { 324 p->factor = 2; 325 p->sw_code = mulaw_to_slinear16_le; 326 } else 327 p->sw_code = ulinear8_to_mulaw; 328 break; 329 case AUDIO_ENCODING_ALAW: 330 if (mode == AUMODE_PLAY) { 331 p->factor = 2; 332 p->sw_code = alaw_to_slinear16_le; 333 } else 334 p->sw_code = ulinear8_to_alaw; 335 break; 336 default: 337 return (EINVAL); 338 } 339 340 ch->mode = *p; 341 } 342 343 return (0); 344 } 345 346 int 347 esa_commit_settings(void *hdl) 348 { 349 struct esa_voice *vc = hdl; 350 struct esa_softc *sc = (struct esa_softc *)vc->parent; 351 struct audio_params *p = &vc->play.mode; 352 struct audio_params *r = &vc->rec.mode; 353 u_int32_t data; 354 u_int32_t freq; 355 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 356 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 357 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 358 &~ 255; 359 360 /* playback */ 361 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * vc->index); 362 if (p->channels == 1) 363 data = 1; 364 else 365 data = 0; 366 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 367 vc->play.data_offset + ESA_SRC3_MODE_OFFSET, 368 data); 369 if (p->precision * p->factor == 8) 370 data = 1; 371 else 372 data = 0; 373 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 374 vc->play.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET, 375 data); 376 if ((freq = ((p->sample_rate << 15) + 24000) / 48000) != 0) { 377 freq--; 378 } 379 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 380 vc->play.data_offset + ESA_CDATA_FREQUENCY, freq); 381 382 /* recording */ 383 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * vc->index) + 384 (data_bytes / 2); 385 if (r->channels == 1) 386 data = 1; 387 else 388 data = 0; 389 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 390 vc->rec.data_offset + ESA_SRC3_MODE_OFFSET, 391 data); 392 if (r->precision * r->factor == 8) 393 data = 1; 394 else 395 data = 0; 396 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 397 vc->rec.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET, 398 data); 399 if ((freq = ((r->sample_rate << 15) + 24000) / 48000) != 0) { 400 freq--; 401 } 402 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 403 vc->rec.data_offset + ESA_CDATA_FREQUENCY, freq); 404 405 return (0); 406 }; 407 408 int 409 esa_round_blocksize(void *hdl, int bs) 410 { 411 struct esa_voice *vc = hdl; 412 413 /* 414 * Surely there has to be a better solution... 415 */ 416 vc->play.blksize = vc->rec.blksize = 4096; 417 418 return (vc->play.blksize); 419 } 420 421 int 422 esa_halt_output(void *hdl) 423 { 424 struct esa_voice *vc = hdl; 425 struct esa_softc *sc = (struct esa_softc *)vc->parent; 426 bus_space_tag_t iot = sc->sc_iot; 427 bus_space_handle_t ioh = sc->sc_ioh; 428 u_int16_t data; 429 430 if (vc->play.active == 0) 431 return (0); 432 433 vc->play.active = 0; 434 435 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 436 ESA_CDATA_INSTANCE_READY + vc->play.data_offset, 0); 437 438 sc->sc_ntimers--; 439 if (sc->sc_ntimers == 0) { 440 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 441 ESA_KDATA_TIMER_COUNT_RELOAD, 0); 442 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 443 ESA_KDATA_TIMER_COUNT_CURRENT, 0); 444 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 445 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 446 data & ~ESA_CLKRUN_GEN_ENABLE); 447 } 448 449 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 450 ESA_KDATA_MIXER_TASK_NUMBER, 451 sc->mixer_list.indexmap[vc->index]); 452 /* remove ourselves from the packed lists */ 453 esa_remove_list(vc, &sc->mixer_list, vc->index); 454 esa_remove_list(vc, &sc->dma_list, vc->index); 455 esa_remove_list(vc, &sc->msrc_list, vc->index); 456 457 return (0); 458 } 459 460 int 461 esa_halt_input(void *hdl) 462 { 463 struct esa_voice *vc = hdl; 464 struct esa_softc *sc = (struct esa_softc *)vc->parent; 465 bus_space_tag_t iot = sc->sc_iot; 466 bus_space_handle_t ioh = sc->sc_ioh; 467 u_int32_t data; 468 469 if (vc->rec.active == 0) 470 return (0); 471 472 vc->rec.active = 0; 473 474 sc->sc_ntimers--; 475 if (sc->sc_ntimers == 0) { 476 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 477 ESA_KDATA_TIMER_COUNT_RELOAD, 0); 478 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 479 ESA_KDATA_TIMER_COUNT_CURRENT, 0); 480 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 481 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 482 data & ~ESA_CLKRUN_GEN_ENABLE); 483 } 484 485 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, vc->rec.data_offset + 486 ESA_CDATA_INSTANCE_READY, 0); 487 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 488 0); 489 490 /* remove ourselves from the packed lists */ 491 esa_remove_list(vc, &sc->adc1_list, vc->index + ESA_NUM_VOICES); 492 esa_remove_list(vc, &sc->dma_list, vc->index + ESA_NUM_VOICES); 493 esa_remove_list(vc, &sc->msrc_list, vc->index + ESA_NUM_VOICES); 494 495 return (0); 496 } 497 498 void * 499 esa_malloc(void *hdl, int direction, size_t size, int type, int flags) 500 { 501 struct esa_voice *vc = hdl; 502 struct esa_softc *sc = (struct esa_softc *)vc->parent; 503 struct esa_dma *p; 504 int error; 505 506 p = malloc(sizeof(*p), type, flags); 507 if (!p) 508 return (0); 509 error = esa_allocmem(sc, size, 16, p); 510 if (error) { 511 free(p, type); 512 printf("%s: esa_malloc: not enough memory\n", 513 sc->sc_dev.dv_xname); 514 return (0); 515 } 516 p->next = vc->dma; 517 vc->dma = p; 518 519 return (KERNADDR(p)); 520 } 521 522 void 523 esa_free(void *hdl, void *addr, int type) 524 { 525 struct esa_voice *vc = hdl; 526 struct esa_softc *sc = (struct esa_softc *)vc->parent; 527 struct esa_dma *p; 528 struct esa_dma **pp; 529 530 for (pp = &vc->dma; (p = *pp) != NULL; pp = &p->next) 531 if (KERNADDR(p) == addr) { 532 esa_freemem(sc, p); 533 *pp = p->next; 534 free(p, type); 535 return; 536 } 537 } 538 539 int 540 esa_getdev(void *hdl, struct audio_device *ret) 541 { 542 543 *ret = esa_device; 544 545 return (0); 546 } 547 548 int 549 esa_set_port(void *hdl, mixer_ctrl_t *mc) 550 { 551 struct esa_voice *vc = hdl; 552 struct esa_softc *sc = (struct esa_softc *)vc->parent; 553 554 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, mc)); 555 } 556 557 int 558 esa_get_port(void *hdl, mixer_ctrl_t *mc) 559 { 560 struct esa_voice *vc = hdl; 561 struct esa_softc *sc = (struct esa_softc *)vc->parent; 562 563 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, mc)); 564 } 565 566 int 567 esa_query_devinfo(void *hdl, mixer_devinfo_t *di) 568 { 569 struct esa_voice *vc = hdl; 570 struct esa_softc *sc = (struct esa_softc *)vc->parent; 571 572 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, di)); 573 } 574 575 size_t 576 esa_round_buffersize(void *hdl, int direction, size_t bufsize) 577 { 578 struct esa_voice *vc = hdl; 579 580 /* 581 * We must be able to do better than this... 582 */ 583 vc->play.bufsize = vc->rec.bufsize = 65536; 584 585 return (vc->play.bufsize); 586 } 587 588 int 589 esa_get_props(void *hdl) 590 { 591 592 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX); 593 } 594 595 int 596 esa_trigger_output(void *hdl, void *start, void *end, int blksize, 597 void (*intr)(void *), void *intrarg, 598 struct audio_params *param) 599 { 600 struct esa_voice *vc = hdl; 601 struct esa_softc *sc = (struct esa_softc *)vc->parent; 602 struct esa_dma *p; 603 bus_space_tag_t iot = sc->sc_iot; 604 bus_space_handle_t ioh = sc->sc_ioh; 605 u_int32_t data; 606 u_int32_t bufaddr; 607 u_int32_t i; 608 size_t size; 609 610 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 611 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 612 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 613 &~ 255; 614 int dac_data = ESA_DAC_DATA + (data_bytes * vc->index); 615 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x20 * 2); 616 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x20 * 2); 617 int dsp_in_buf = dac_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 618 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 619 620 if (vc->play.active) 621 return (EINVAL); 622 623 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) 624 ; 625 if (!p) { 626 printf("%s: esa_trigger_output: bad addr %p\n", 627 sc->sc_dev.dv_xname, start); 628 return (EINVAL); 629 } 630 631 vc->play.active = 1; 632 vc->play.intr = intr; 633 vc->play.arg = intrarg; 634 vc->play.pos = 0; 635 vc->play.count = 0; 636 vc->play.buf = start; 637 size = (size_t)(((caddr_t)end - (caddr_t)start)); 638 bufaddr = DMAADDR(p); 639 vc->play.start = bufaddr; 640 641 #define LO(x) ((x) & 0x0000ffff) 642 #define HI(x) ((x) >> 16) 643 644 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 645 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 646 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 647 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 648 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 649 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 650 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 651 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 652 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 653 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 654 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 655 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 656 657 /* DSP buffers */ 658 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 659 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 660 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 661 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 662 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 663 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 664 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 665 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 666 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 667 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 668 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 669 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 670 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 671 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 672 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 673 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 674 675 /* Some per-client initializers */ 676 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 677 ESA_SRC3_DIRECTION_OFFSET + 12, dac_data + 40 + 8); 678 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 679 ESA_SRC3_DIRECTION_OFFSET + 19, 0x400 + ESA_MINISRC_COEF_LOC); 680 /* Enable or disable low-pass filter? (0xff if rate > 45000) */ 681 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 682 ESA_SRC3_DIRECTION_OFFSET + 22, 683 vc->play.mode.sample_rate > 45000 ? 0xff : 0); 684 /* Tell it which way DMA is going */ 685 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 686 ESA_CDATA_DMA_CONTROL, 687 ESA_DMACONTROL_AUTOREPEAT + ESA_DMAC_PAGE3_SELECTOR + 688 ESA_DMAC_BLOCKF_SELECTOR); 689 690 /* Set an armload of static initializers */ 691 for (i = 0; i < (sizeof(esa_playvals) / sizeof(esa_playvals[0])); i++) 692 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 693 esa_playvals[i].addr, esa_playvals[i].val); 694 695 /* Put us in the packed task lists */ 696 esa_add_list(vc, &sc->msrc_list, dac_data >> ESA_DP_SHIFT_COUNT, 697 vc->index); 698 esa_add_list(vc, &sc->dma_list, dac_data >> ESA_DP_SHIFT_COUNT, 699 vc->index); 700 esa_add_list(vc, &sc->mixer_list, dac_data >> ESA_DP_SHIFT_COUNT, 701 vc->index); 702 #undef LO 703 #undef HI 704 705 /* XXX */ 706 //esa_commit_settings(vc); 707 708 sc->sc_ntimers++; 709 710 if (sc->sc_ntimers == 1) { 711 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 712 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 713 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 714 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 715 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 716 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 717 data | ESA_CLKRUN_GEN_ENABLE); 718 } 719 720 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 721 ESA_CDATA_INSTANCE_READY, 1); 722 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 723 ESA_KDATA_MIXER_TASK_NUMBER, 724 sc->mixer_list.indexmap[vc->index]); 725 726 return (0); 727 } 728 729 int 730 esa_trigger_input(void *hdl, void *start, void *end, int blksize, 731 void (*intr)(void *), void *intrarg, 732 struct audio_params *param) 733 { 734 struct esa_voice *vc = hdl; 735 struct esa_softc *sc = (struct esa_softc *)vc->parent; 736 struct esa_dma *p; 737 bus_space_tag_t iot = sc->sc_iot; 738 bus_space_handle_t ioh = sc->sc_ioh; 739 u_int32_t data; 740 u_int32_t bufaddr; 741 u_int32_t i; 742 size_t size; 743 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 744 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 745 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 746 &~ 255; 747 int adc_data = ESA_DAC_DATA + (data_bytes * vc->index) + 748 (data_bytes / 2); 749 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x10 * 2); 750 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x10 * 2); 751 int dsp_in_buf = adc_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 752 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 753 vc->rec.data_offset = adc_data; 754 755 /* We only support 1 recording channel */ 756 if (vc->index > 0) 757 return (ENODEV); 758 759 if (vc->rec.active) 760 return (EINVAL); 761 762 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) 763 ; 764 if (!p) { 765 printf("%s: esa_trigger_input: bad addr %p\n", 766 sc->sc_dev.dv_xname, start); 767 return (EINVAL); 768 } 769 770 vc->rec.active = 1; 771 vc->rec.intr = intr; 772 vc->rec.arg = intrarg; 773 vc->rec.pos = 0; 774 vc->rec.count = 0; 775 vc->rec.buf = start; 776 size = (size_t)(((caddr_t)end - (caddr_t)start)); 777 bufaddr = DMAADDR(p); 778 vc->rec.start = bufaddr; 779 780 #define LO(x) ((x) & 0x0000ffff) 781 #define HI(x) ((x) >> 16) 782 783 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 784 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 785 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 786 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 787 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 788 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 789 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 790 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 791 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 792 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 793 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 794 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 795 796 /* DSP buffers */ 797 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 798 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 799 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 800 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 801 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 802 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 803 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 804 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 805 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 806 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 807 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 808 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 809 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 810 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 811 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 812 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 813 814 /* Some per-client initializers */ 815 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 816 ESA_SRC3_DIRECTION_OFFSET + 12, adc_data + 40 + 8); 817 /* Tell it which way DMA is going */ 818 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 819 ESA_CDATA_DMA_CONTROL, 820 ESA_DMACONTROL_DIRECTION + ESA_DMACONTROL_AUTOREPEAT + 821 ESA_DMAC_PAGE3_SELECTOR + ESA_DMAC_BLOCKF_SELECTOR); 822 823 /* Set an armload of static initializers */ 824 for (i = 0; i < (sizeof(esa_recvals) / sizeof(esa_recvals[0])); i++) 825 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 826 esa_recvals[i].addr, esa_recvals[i].val); 827 828 /* Put us in the packed task lists */ 829 esa_add_list(vc, &sc->adc1_list, adc_data >> ESA_DP_SHIFT_COUNT, 830 vc->index + ESA_NUM_VOICES); 831 esa_add_list(vc, &sc->msrc_list, adc_data >> ESA_DP_SHIFT_COUNT, 832 vc->index + ESA_NUM_VOICES); 833 esa_add_list(vc, &sc->dma_list, adc_data >> ESA_DP_SHIFT_COUNT, 834 vc->index + ESA_NUM_VOICES); 835 #undef LO 836 #undef HI 837 838 /* XXX */ 839 //esa_commit_settings(vc); 840 841 sc->sc_ntimers++; 842 if (sc->sc_ntimers == 1) { 843 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 844 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 845 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 846 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 847 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 848 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 849 data | ESA_CLKRUN_GEN_ENABLE); 850 } 851 852 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 853 ESA_CDATA_INSTANCE_READY, 1); 854 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 855 1); 856 857 return (0); 858 } 859 860 /* Interrupt handler */ 861 862 int 863 esa_intr(void *hdl) 864 { 865 struct esa_softc *sc = hdl; 866 struct esa_voice *vc; 867 bus_space_tag_t iot = sc->sc_iot; 868 bus_space_handle_t ioh = sc->sc_ioh; 869 u_int8_t status, ctl; 870 u_int32_t pos; 871 u_int32_t diff; 872 u_int32_t play_blksize, play_bufsize; 873 u_int32_t rec_blksize, rec_bufsize; 874 int i; 875 876 status = bus_space_read_1(iot, ioh, ESA_HOST_INT_STATUS); 877 if (status == 0xff) 878 return (0); 879 880 /* ack the interrupt */ 881 bus_space_write_1(iot, ioh, ESA_HOST_INT_STATUS, status); 882 883 if (status & ESA_HV_INT_PENDING) { 884 u_int8_t event; 885 886 printf("%s: hardware volume interrupt\n", sc->sc_dev.dv_xname); 887 event = bus_space_read_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER); 888 switch(event) { 889 case 0x99: 890 case 0xaa: 891 case 0x66: 892 case 0x88: 893 printf("%s: esa_intr: FIXME\n", sc->sc_dev.dv_xname); 894 break; 895 default: 896 printf("%s: unknown hwvol event 0x%02x\n", 897 sc->sc_dev.dv_xname, event); 898 break; 899 } 900 bus_space_write_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER, 0x88); 901 } 902 903 if (status & ESA_ASSP_INT_PENDING) { 904 ctl = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_B); 905 if (!(ctl & ESA_STOP_ASSP_CLOCK)) { 906 ctl = bus_space_read_1(iot, ioh, 907 ESA_ASSP_HOST_INT_STATUS); 908 if (ctl & ESA_DSP2HOST_REQ_TIMER) { 909 bus_space_write_1(iot, ioh, 910 ESA_ASSP_HOST_INT_STATUS, 911 ESA_DSP2HOST_REQ_TIMER); 912 for (i = 0; i < ESA_NUM_VOICES; i++) { 913 vc = &sc->voice[i]; 914 if (vc->play.active) { 915 play_blksize = vc->play.blksize; 916 play_bufsize = vc->play.bufsize; 917 pos = esa_get_pointer(sc, &vc->play) 918 % play_bufsize; 919 diff = (play_bufsize + pos - vc->play.pos) 920 % play_bufsize; 921 vc->play.pos = pos; 922 vc->play.count += diff; 923 while(vc->play.count >= play_blksize) { 924 vc->play.count -= play_blksize; 925 (*vc->play.intr)(vc->play.arg); 926 } 927 } 928 if (vc->rec.active) { 929 rec_blksize = vc->rec.blksize; 930 rec_bufsize = vc->rec.bufsize; 931 pos = esa_get_pointer(sc, &vc->rec) 932 % rec_bufsize; 933 diff = (rec_bufsize + pos - vc->rec.pos) 934 % rec_bufsize; 935 vc->rec.pos = pos; 936 vc->rec.count += diff; 937 while(vc->rec.count >= rec_blksize) { 938 vc->rec.count -= rec_blksize; 939 (*vc->rec.intr)(vc->rec.arg); 940 } 941 } 942 } 943 } 944 } 945 } 946 947 return (1); 948 } 949 950 int 951 esa_allocmem(struct esa_softc *sc, size_t size, size_t align, 952 struct esa_dma *p) 953 { 954 int error; 955 956 p->size = size; 957 error = bus_dmamem_alloc(sc->sc_dmat, p->size, align, 0, 958 p->segs, sizeof(p->segs) / sizeof(p->segs[0]), 959 &p->nsegs, BUS_DMA_NOWAIT); 960 if (error) 961 return (error); 962 963 error = bus_dmamem_map(sc->sc_dmat, p->segs, p->nsegs, p->size, 964 &p->addr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT); 965 if (error) 966 goto free; 967 968 error = bus_dmamap_create(sc->sc_dmat, p->size, 1, p->size, 0, 969 BUS_DMA_NOWAIT, &p->map); 970 if (error) 971 goto unmap; 972 973 error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, p->size, NULL, 974 BUS_DMA_NOWAIT); 975 if (error) 976 goto destroy; 977 978 return (0); 979 980 destroy: 981 bus_dmamap_destroy(sc->sc_dmat, p->map); 982 unmap: 983 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 984 free: 985 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 986 987 return (error); 988 } 989 990 int 991 esa_freemem(struct esa_softc *sc, struct esa_dma *p) 992 { 993 994 bus_dmamap_unload(sc->sc_dmat, p->map); 995 bus_dmamap_destroy(sc->sc_dmat, p->map); 996 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 997 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 998 999 return (0); 1000 } 1001 1002 /* 1003 * Supporting Subroutines 1004 */ 1005 const struct pci_matchid esa_devices[] = { 1006 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_ES1989 }, 1007 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3 }, 1008 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3_2 }, 1009 }; 1010 1011 int 1012 esa_match(struct device *dev, void *match, void *aux) 1013 { 1014 return (pci_matchbyid((struct pci_attach_args *)aux, esa_devices, 1015 sizeof(esa_devices)/sizeof(esa_devices[0]))); 1016 } 1017 1018 void 1019 esa_attach(struct device *parent, struct device *self, void *aux) 1020 { 1021 struct esa_softc *sc = (struct esa_softc *)self; 1022 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 1023 pcitag_t tag = pa->pa_tag; 1024 pci_chipset_tag_t pc = pa->pa_pc; 1025 pci_intr_handle_t ih; 1026 struct esa_card_type *card; 1027 const char *intrstr; 1028 int i, len; 1029 1030 for (card = esa_card_types; card->pci_vendor_id; card++) 1031 if (PCI_VENDOR(pa->pa_id) == card->pci_vendor_id && 1032 PCI_PRODUCT(pa->pa_id) == card->pci_product_id) { 1033 sc->type = card->type; 1034 sc->delay1 = card->delay1; 1035 sc->delay2 = card->delay2; 1036 break; 1037 } 1038 1039 /* Map I/O register */ 1040 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 1041 &sc->sc_iot, &sc->sc_ioh, &sc->sc_iob, &sc->sc_ios, 0)) { 1042 printf(": can't map i/o space\n"); 1043 return; 1044 } 1045 1046 /* Initialize softc */ 1047 sc->sc_tag = tag; 1048 sc->sc_pct = pc; 1049 sc->sc_dmat = pa->pa_dmat; 1050 1051 /* Map and establish an interrupt */ 1052 if (pci_intr_map(pa, &ih)) { 1053 printf(": can't map interrupt\n"); 1054 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1055 return; 1056 } 1057 intrstr = pci_intr_string(pc, ih); 1058 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, esa_intr, self, 1059 sc->sc_dev.dv_xname); 1060 if (sc->sc_ih == NULL) { 1061 printf(": can't establish interrupt"); 1062 if (intrstr != NULL) 1063 printf(" at %s", intrstr); 1064 printf("\n"); 1065 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1066 return; 1067 } 1068 printf(": %s\n", intrstr); 1069 1070 /* Power up chip */ 1071 pci_set_powerstate(pc, tag, PCI_PMCSR_STATE_D0); 1072 1073 /* Init chip */ 1074 if (esa_init(sc) == -1) { 1075 printf("%s: esa_attach: unable to initialize the card\n", 1076 sc->sc_dev.dv_xname); 1077 pci_intr_disestablish(pc, sc->sc_ih); 1078 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1079 return; 1080 } 1081 1082 /* create suspend save area */ 1083 len = sizeof(u_int16_t) * (ESA_REV_B_CODE_MEMORY_LENGTH 1084 + ESA_REV_B_DATA_MEMORY_LENGTH + 1); 1085 sc->savemem = malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO); 1086 if (sc->savemem == NULL) { 1087 printf("%s: unable to allocate suspend buffer\n", 1088 sc->sc_dev.dv_xname); 1089 pci_intr_disestablish(pc, sc->sc_ih); 1090 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1091 return; 1092 } 1093 1094 /* 1095 * Every card I've seen has had their channels swapped with respect 1096 * to the mixer. Ie: 1097 * $ mixerctl -w outputs.master=0,191 1098 * Would result in the _right_ speaker being turned off. 1099 * 1100 * So, we will swap the left and right mixer channels to compensate 1101 * for this. 1102 */ 1103 sc->codec_flags |= AC97_HOST_SWAPPED_CHANNELS; 1104 sc->codec_flags |= AC97_HOST_DONT_READ; 1105 1106 /* Attach AC97 host interface */ 1107 sc->host_if.arg = self; 1108 sc->host_if.attach = esa_attach_codec; 1109 sc->host_if.read = esa_read_codec; 1110 sc->host_if.write = esa_write_codec; 1111 sc->host_if.reset = esa_reset_codec; 1112 sc->host_if.flags = esa_flags_codec; 1113 1114 if (ac97_attach(&sc->host_if) != 0) { 1115 pci_intr_disestablish(pc, sc->sc_ih); 1116 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1117 free(sc->savemem, M_DEVBUF); 1118 return; 1119 } 1120 1121 /* initialize list management structures */ 1122 sc->mixer_list.mem_addr = ESA_KDATA_MIXER_XFER0; 1123 sc->mixer_list.max = ESA_MAX_VIRTUAL_MIXER_CHANNELS; 1124 sc->adc1_list.mem_addr = ESA_KDATA_ADC1_XFER0; 1125 sc->adc1_list.max = ESA_MAX_VIRTUAL_ADC1_CHANNELS; 1126 sc->dma_list.mem_addr = ESA_KDATA_DMA_XFER0; 1127 sc->dma_list.max = ESA_MAX_VIRTUAL_DMA_CHANNELS; 1128 sc->msrc_list.mem_addr = ESA_KDATA_INSTANCE0_MINISRC; 1129 sc->msrc_list.max = ESA_MAX_INSTANCE_MINISRC; 1130 1131 /* initialize index maps */ 1132 for (i = 0; i < ESA_NUM_VOICES * 2; i++) { 1133 sc->mixer_list.indexmap[i] = -1; 1134 sc->msrc_list.indexmap[i] = -1; 1135 sc->dma_list.indexmap[i] = -1; 1136 sc->adc1_list.indexmap[i] = -1; 1137 } 1138 for (i = 0; i < ESA_NUM_VOICES; i++) { 1139 sc->voice[i].parent = (struct device *)sc; 1140 sc->voice[i].index = i; 1141 sc->sc_audiodev[i] = 1142 audio_attach_mi(&esa_hw_if, &sc->voice[i], &sc->sc_dev); 1143 } 1144 1145 sc->powerhook = powerhook_establish(esa_powerhook, sc); 1146 if (sc->powerhook == NULL) 1147 printf("%s: WARNING: unable to establish powerhook\n", 1148 sc->sc_dev.dv_xname); 1149 1150 return; 1151 } 1152 1153 int 1154 esa_detach(struct device *self, int flags) 1155 { 1156 struct esa_softc *sc = (struct esa_softc *)self; 1157 int i; 1158 1159 for (i = 0; i < ESA_NUM_VOICES; i++) { 1160 if (sc->sc_audiodev[i] != NULL) 1161 config_detach(sc->sc_audiodev[i], flags); 1162 } 1163 1164 if (sc->sc_ih != NULL) 1165 pci_intr_disestablish(sc->sc_pct, sc->sc_ih); 1166 if (sc->sc_ios) 1167 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1168 1169 free(sc->savemem, M_DEVBUF); 1170 1171 return (0); 1172 } 1173 1174 u_int16_t 1175 esa_read_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index) 1176 { 1177 u_int16_t data; 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 data = bus_space_read_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA); 1185 1186 return (data); 1187 } 1188 1189 void 1190 esa_write_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index, 1191 u_int16_t data) 1192 { 1193 bus_space_tag_t iot = sc->sc_iot; 1194 bus_space_handle_t ioh = sc->sc_ioh; 1195 1196 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1197 region & ESA_MEMTYPE_MASK); 1198 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1199 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA, data); 1200 1201 return; 1202 } 1203 1204 int 1205 esa_init_codec(struct esa_softc *sc) 1206 { 1207 bus_space_tag_t iot = sc->sc_iot; 1208 bus_space_handle_t ioh = sc->sc_ioh; 1209 u_int32_t data; 1210 1211 data = bus_space_read_1(iot, ioh, ESA_CODEC_COMMAND); 1212 1213 return ((data & 0x1) ? 0 : 1); 1214 } 1215 1216 int 1217 esa_attach_codec(void *aux, struct ac97_codec_if *codec_if) 1218 { 1219 struct esa_softc *sc = aux; 1220 1221 sc->codec_if = codec_if; 1222 1223 return (0); 1224 } 1225 1226 int 1227 esa_read_codec(void *aux, u_int8_t reg, u_int16_t *result) 1228 { 1229 struct esa_softc *sc = aux; 1230 bus_space_tag_t iot = sc->sc_iot; 1231 bus_space_handle_t ioh = sc->sc_ioh; 1232 1233 if (esa_wait(sc)) 1234 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1235 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, (reg & 0x7f) | 0x80); 1236 delay(50); 1237 if (esa_wait(sc)) 1238 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1239 *result = bus_space_read_2(iot, ioh, ESA_CODEC_DATA); 1240 1241 return (0); 1242 } 1243 1244 int 1245 esa_write_codec(void *aux, u_int8_t reg, u_int16_t data) 1246 { 1247 struct esa_softc *sc = aux; 1248 bus_space_tag_t iot = sc->sc_iot; 1249 bus_space_handle_t ioh = sc->sc_ioh; 1250 1251 if (esa_wait(sc)) { 1252 printf("%s: esa_write_codec: timed out\n", sc->sc_dev.dv_xname); 1253 return (-1); 1254 } 1255 bus_space_write_2(iot, ioh, ESA_CODEC_DATA, data); 1256 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, reg & 0x7f); 1257 delay(50); 1258 1259 return (0); 1260 } 1261 1262 void 1263 esa_reset_codec(void *aux) 1264 { 1265 1266 return; 1267 } 1268 1269 enum ac97_host_flags 1270 esa_flags_codec(void *aux) 1271 { 1272 struct esa_softc *sc = aux; 1273 1274 return (sc->codec_flags); 1275 } 1276 1277 int 1278 esa_wait(struct esa_softc *sc) 1279 { 1280 int i, val; 1281 bus_space_tag_t iot = sc->sc_iot; 1282 bus_space_handle_t ioh = sc->sc_ioh; 1283 1284 for (i = 0; i < 20; i++) { 1285 val = bus_space_read_1(iot, ioh, ESA_CODEC_STATUS); 1286 if ((val & 1) == 0) 1287 return (0); 1288 delay(2); 1289 } 1290 1291 return (-1); 1292 } 1293 1294 int 1295 esa_init(struct esa_softc *sc) 1296 { 1297 struct esa_voice *vc; 1298 bus_space_tag_t iot = sc->sc_iot; 1299 bus_space_handle_t ioh = sc->sc_ioh; 1300 pcitag_t tag = sc->sc_tag; 1301 pci_chipset_tag_t pc = sc->sc_pct; 1302 u_int32_t data, i, size; 1303 u_int8_t reset_state; 1304 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 1305 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 1306 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 1307 &~ 255; 1308 1309 /* Disable legacy emulation */ 1310 data = pci_conf_read(pc, tag, PCI_LEGACY_AUDIO_CTRL); 1311 data |= DISABLE_LEGACY; 1312 pci_conf_write(pc, tag, PCI_LEGACY_AUDIO_CTRL, data); 1313 1314 esa_config(sc); 1315 1316 reset_state = esa_assp_halt(sc); 1317 1318 esa_init_codec(sc); 1319 esa_codec_reset(sc); 1320 1321 /* Zero kernel and mixer data */ 1322 size = ESA_REV_B_DATA_MEMORY_UNIT_LENGTH * ESA_NUM_UNITS_KERNEL_DATA; 1323 for (i = 0; i < size / 2; i++) { 1324 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1325 ESA_KDATA_BASE_ADDR + i, 0); 1326 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1327 ESA_KDATA_BASE_ADDR2 + i, 0); 1328 } 1329 1330 /* Init DMA pointer */ 1331 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_CURRENT_DMA, 1332 ESA_KDATA_DMA_XFER0); 1333 1334 /* Write kernel code into memory */ 1335 size = sizeof(esa_assp_kernel_image); 1336 for (i = 0; i < size / 2; i++) 1337 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1338 ESA_REV_B_CODE_MEMORY_BEGIN + i, esa_assp_kernel_image[i]); 1339 1340 size = sizeof(esa_assp_minisrc_image); 1341 for (i = 0; i < size / 2; i++) 1342 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 0x400 + i, 1343 esa_assp_minisrc_image[i]); 1344 1345 /* Write the coefficients for the low pass filter */ 1346 size = sizeof(esa_minisrc_lpf_image); 1347 for (i = 0; i < size / 2; i++) 1348 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1349 0x400 + ESA_MINISRC_COEF_LOC + i, esa_minisrc_lpf_image[i]); 1350 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1351 0x400 + ESA_MINISRC_COEF_LOC + size, 0x8000); 1352 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TASK0, 0x400); 1353 /* Init the mixer number */ 1354 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1355 ESA_KDATA_MIXER_TASK_NUMBER, 0); 1356 /* Extreme kernel master volume */ 1357 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1358 ESA_KDATA_DAC_LEFT_VOLUME, ESA_ARB_VOLUME); 1359 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1360 ESA_KDATA_DAC_RIGHT_VOLUME, ESA_ARB_VOLUME); 1361 1362 if (esa_amp_enable(sc)) 1363 return (-1); 1364 1365 /* Zero entire DAC/ADC area */ 1366 for (i = 0x1100; i < 0x1c00; i++) 1367 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 0); 1368 1369 /* set some sane defaults */ 1370 for (i = 0; i < ESA_NUM_VOICES; i++) { 1371 vc = &sc->voice[i]; 1372 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * i); 1373 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * i * 2); 1374 } 1375 1376 esa_enable_interrupts(sc); 1377 1378 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1379 reset_state | ESA_REGB_ENABLE_RESET); 1380 1381 return (0); 1382 } 1383 1384 void 1385 esa_config(struct esa_softc *sc) 1386 { 1387 bus_space_tag_t iot = sc->sc_iot; 1388 bus_space_handle_t ioh = sc->sc_ioh; 1389 pcitag_t tag = sc->sc_tag; 1390 pci_chipset_tag_t pc = sc->sc_pct; 1391 u_int32_t data; 1392 1393 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1394 data &= ESA_REDUCED_DEBOUNCE; 1395 data |= ESA_PM_CTRL_ENABLE | ESA_CLK_DIV_BY_49 | ESA_USE_PCI_TIMING; 1396 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1397 1398 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RESET_ASSP); 1399 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1400 data &= ~ESA_INT_CLK_SELECT; 1401 if (sc->type == ESS_MAESTRO3) { 1402 data &= ~ESA_INT_CLK_MULT_ENABLE; 1403 data |= ESA_INT_CLK_SRC_NOT_PCI; 1404 } 1405 data &= ~(ESA_CLK_MULT_MODE_SELECT | ESA_CLK_MULT_MODE_SELECT_2); 1406 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1407 1408 if (sc->type == ESS_ALLEGRO1) { 1409 data = pci_conf_read(pc, tag, ESA_PCI_USER_CONFIG); 1410 data |= ESA_IN_CLK_12MHZ_SELECT; 1411 pci_conf_write(pc, tag, ESA_PCI_USER_CONFIG, data); 1412 } 1413 1414 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_A); 1415 data &= ~(ESA_DSP_CLK_36MHZ_SELECT | ESA_ASSP_CLK_49MHZ_SELECT); 1416 data |= ESA_ASSP_CLK_49MHZ_SELECT; /* XXX: Assumes 49MHz DSP */ 1417 data |= ESA_ASSP_0_WS_ENABLE; 1418 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_A, data); 1419 1420 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RUN_ASSP); 1421 1422 return; 1423 } 1424 1425 u_int8_t 1426 esa_assp_halt(struct esa_softc *sc) 1427 { 1428 bus_space_tag_t iot = sc->sc_iot; 1429 bus_space_handle_t ioh = sc->sc_ioh; 1430 u_int8_t data, reset_state; 1431 1432 data = bus_space_read_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B); 1433 reset_state = data & ~ESA_REGB_STOP_CLOCK; 1434 delay(10000); /* XXX use tsleep */ 1435 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1436 reset_state & ~ESA_REGB_ENABLE_RESET); 1437 delay(10000); /* XXX use tsleep */ 1438 1439 return (reset_state); 1440 } 1441 1442 void 1443 esa_codec_reset(struct esa_softc *sc) 1444 { 1445 bus_space_tag_t iot = sc->sc_iot; 1446 bus_space_handle_t ioh = sc->sc_ioh; 1447 u_int16_t data, dir; 1448 int retry = 0; 1449 1450 do { 1451 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1452 dir = data | 0x10; /* assuming pci bus master? */ 1453 1454 /* remote codec config */ 1455 data = bus_space_read_2(iot, ioh, ESA_RING_BUS_CTRL_B); 1456 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_B, 1457 data & ~ESA_SECOND_CODEC_ID_MASK); 1458 data = bus_space_read_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL); 1459 bus_space_write_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL, 1460 data & ~ESA_COMMAND_ADDR_OUT); 1461 data = bus_space_read_2(iot, ioh, ESA_SDO_IN_DEST_CTRL); 1462 bus_space_write_2(iot, ioh, ESA_SDO_IN_DEST_CTRL, 1463 data & ~ESA_STATUS_ADDR_IN); 1464 1465 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1466 ESA_IO_SRAM_ENABLE); 1467 delay(20); 1468 1469 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1470 dir & ~ESA_GPO_PRIMARY_AC97); 1471 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, 1472 ~ESA_GPO_PRIMARY_AC97); 1473 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 0); 1474 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1475 dir | ESA_GPO_PRIMARY_AC97); 1476 delay(sc->delay1 * 1000); 1477 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 1478 ESA_GPO_PRIMARY_AC97); 1479 delay(5); 1480 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1481 ESA_IO_SRAM_ENABLE | ESA_SERIAL_AC_LINK_ENABLE); 1482 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1483 delay(sc->delay2 * 1000); 1484 1485 esa_read_codec(sc, 0x7c, &data); 1486 if ((data == 0) || (data == 0xffff)) { 1487 retry++; 1488 if (retry > 3) { 1489 printf("%s: esa_codec_reset: failed\n", 1490 sc->sc_dev.dv_xname); 1491 break; 1492 } 1493 printf("%s: esa_codec_reset: retrying\n", 1494 sc->sc_dev.dv_xname); 1495 } else 1496 retry = 0; 1497 } while (retry); 1498 1499 return; 1500 } 1501 1502 int 1503 esa_amp_enable(struct esa_softc *sc) 1504 { 1505 bus_space_tag_t iot = sc->sc_iot; 1506 bus_space_handle_t ioh = sc->sc_ioh; 1507 u_int32_t gpo, polarity_port, polarity; 1508 u_int16_t data; 1509 1510 switch (sc->type) { 1511 case ESS_ALLEGRO1: 1512 polarity_port = 0x1800; 1513 break; 1514 case ESS_MAESTRO3: 1515 polarity_port = 0x1100; 1516 break; 1517 default: 1518 printf("%s: esa_amp_enable: Unknown chip type!!!\n", 1519 sc->sc_dev.dv_xname); 1520 return (1); 1521 } 1522 1523 gpo = (polarity_port >> 8) & 0x0f; 1524 polarity = polarity_port >> 12; 1525 polarity = !polarity; /* Enable */ 1526 polarity = polarity << gpo; 1527 gpo = 1 << gpo; 1528 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~gpo); 1529 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1530 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, data | gpo); 1531 data = ESA_GPO_SECONDARY_AC97 | ESA_GPO_PRIMARY_AC97 | polarity; 1532 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, data); 1533 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1534 1535 return (0); 1536 } 1537 1538 void 1539 esa_enable_interrupts(struct esa_softc *sc) 1540 { 1541 bus_space_tag_t iot = sc->sc_iot; 1542 bus_space_handle_t ioh = sc->sc_ioh; 1543 u_int8_t data; 1544 1545 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 1546 ESA_ASSP_INT_ENABLE | ESA_HV_INT_ENABLE); 1547 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_C); 1548 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 1549 data | ESA_ASSP_HOST_INT_ENABLE); 1550 } 1551 1552 /* 1553 * List management 1554 */ 1555 int 1556 esa_add_list(struct esa_voice *vc, struct esa_list *el, 1557 u_int16_t val, int index) 1558 { 1559 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1560 1561 el->indexmap[index] = el->currlen; 1562 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1563 el->mem_addr + el->currlen, 1564 val); 1565 1566 return (el->currlen++); 1567 } 1568 1569 void 1570 esa_remove_list(struct esa_voice *vc, struct esa_list *el, int index) 1571 { 1572 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1573 u_int16_t val; 1574 int lastindex = el->currlen - 1; 1575 int vindex = el->indexmap[index]; 1576 int i; 1577 1578 /* reset our virtual index */ 1579 el->indexmap[index] = -1; 1580 1581 if (vindex != lastindex) { 1582 val = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1583 el->mem_addr + lastindex); 1584 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1585 el->mem_addr + vindex, 1586 val); 1587 for (i = 0; i < ESA_NUM_VOICES * 2; i++) 1588 if (el->indexmap[i] == lastindex) 1589 break; 1590 if (i >= ESA_NUM_VOICES * 2) 1591 printf("%s: esa_remove_list: invalid task index\n", 1592 sc->sc_dev.dv_xname); 1593 else 1594 el->indexmap[i] = vindex; 1595 } 1596 1597 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1598 el->mem_addr + lastindex, 0); 1599 el->currlen--; 1600 1601 return; 1602 } 1603 1604 void 1605 esa_powerhook(int why, void *hdl) 1606 { 1607 struct esa_softc *sc = (struct esa_softc *)hdl; 1608 1609 switch (why) { 1610 case PWR_SUSPEND: 1611 case PWR_STANDBY: 1612 esa_suspend(sc); 1613 break; 1614 case PWR_RESUME: 1615 esa_resume(sc); 1616 (sc->codec_if->vtbl->restore_ports)(sc->codec_if); 1617 break; 1618 } 1619 } 1620 1621 int 1622 esa_suspend(struct esa_softc *sc) 1623 { 1624 bus_space_tag_t iot = sc->sc_iot; 1625 bus_space_handle_t ioh = sc->sc_ioh; 1626 int i, index; 1627 1628 index = 0; 1629 1630 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 0); 1631 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 0); 1632 1633 esa_assp_halt(sc); 1634 1635 /* Save ASSP state */ 1636 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1637 i++) 1638 sc->savemem[index++] = esa_read_assp(sc, 1639 ESA_MEMTYPE_INTERNAL_CODE, i); 1640 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1641 i++) 1642 sc->savemem[index++] = esa_read_assp(sc, 1643 ESA_MEMTYPE_INTERNAL_DATA, i); 1644 1645 pci_set_powerstate(sc->sc_pct, sc->sc_tag, PCI_PMCSR_STATE_D3); 1646 1647 return (0); 1648 } 1649 1650 int 1651 esa_resume(struct esa_softc *sc) { 1652 bus_space_tag_t iot = sc->sc_iot; 1653 bus_space_handle_t ioh = sc->sc_ioh; 1654 int i, index; 1655 u_int8_t reset_state; 1656 1657 index = 0; 1658 1659 pci_set_powerstate(sc->sc_pct, sc->sc_tag, PCI_PMCSR_STATE_D0); 1660 delay(10000); 1661 1662 esa_config(sc); 1663 1664 reset_state = esa_assp_halt(sc); 1665 1666 esa_codec_reset(sc); 1667 1668 /* restore ASSP */ 1669 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1670 i++) 1671 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, i, 1672 sc->savemem[index++]); 1673 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1674 i++) 1675 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 1676 sc->savemem[index++]); 1677 1678 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_ACTIVE, 0); 1679 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1680 reset_state | ESA_REGB_ENABLE_RESET); 1681 1682 esa_enable_interrupts(sc); 1683 esa_amp_enable(sc); 1684 1685 return (0); 1686 } 1687 1688 u_int32_t 1689 esa_get_pointer(struct esa_softc *sc, struct esa_channel *ch) 1690 { 1691 u_int16_t hi = 0, lo = 0; 1692 u_int32_t addr; 1693 int data_offset = ch->data_offset; 1694 1695 hi = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1696 ESA_CDATA_HOST_SRC_CURRENTH); 1697 lo = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1698 ESA_CDATA_HOST_SRC_CURRENTL); 1699 1700 addr = lo | ((u_int32_t)hi << 16); 1701 return (addr - ch->start); 1702 } 1703 1704 paddr_t 1705 esa_mappage(void *addr, void *mem, off_t off, int prot) 1706 { 1707 struct esa_voice *vc = addr; 1708 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1709 struct esa_dma *p; 1710 1711 if (off < 0) 1712 return (-1); 1713 for (p = vc->dma; p && KERNADDR(p) != mem; p = p->next) 1714 ; 1715 if (!p) 1716 return (-1); 1717 return (bus_dmamem_mmap(sc->sc_dmat, p->segs, p->nsegs, 1718 off, prot, BUS_DMA_WAITOK)); 1719 } 1720