1 /* $OpenBSD: esa.c,v 1.23 2011/04/03 15:36:02 jasper 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; 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 } 905 906 if (status & ESA_ASSP_INT_PENDING) { 907 ctl = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_B); 908 if (!(ctl & ESA_STOP_ASSP_CLOCK)) { 909 ctl = bus_space_read_1(iot, ioh, 910 ESA_ASSP_HOST_INT_STATUS); 911 if (ctl & ESA_DSP2HOST_REQ_TIMER) { 912 bus_space_write_1(iot, ioh, 913 ESA_ASSP_HOST_INT_STATUS, 914 ESA_DSP2HOST_REQ_TIMER); 915 for (i = 0; i < ESA_NUM_VOICES; i++) { 916 vc = &sc->voice[i]; 917 if (vc->play.active) { 918 play_blksize = vc->play.blksize; 919 play_bufsize = vc->play.bufsize; 920 pos = esa_get_pointer(sc, &vc->play) 921 % play_bufsize; 922 diff = (play_bufsize + pos - vc->play.pos) 923 % play_bufsize; 924 vc->play.pos = pos; 925 vc->play.count += diff; 926 while(vc->play.count >= play_blksize) { 927 vc->play.count -= play_blksize; 928 (*vc->play.intr)(vc->play.arg); 929 } 930 } 931 if (vc->rec.active) { 932 rec_blksize = vc->rec.blksize; 933 rec_bufsize = vc->rec.bufsize; 934 pos = esa_get_pointer(sc, &vc->rec) 935 % rec_bufsize; 936 diff = (rec_bufsize + pos - vc->rec.pos) 937 % rec_bufsize; 938 vc->rec.pos = pos; 939 vc->rec.count += diff; 940 while(vc->rec.count >= rec_blksize) { 941 vc->rec.count -= rec_blksize; 942 (*vc->rec.intr)(vc->rec.arg); 943 } 944 } 945 } 946 } 947 } 948 } 949 950 return (1); 951 } 952 953 int 954 esa_allocmem(struct esa_softc *sc, size_t size, size_t align, 955 struct esa_dma *p) 956 { 957 int error; 958 959 p->size = size; 960 error = bus_dmamem_alloc(sc->sc_dmat, p->size, align, 0, 961 p->segs, sizeof(p->segs) / sizeof(p->segs[0]), 962 &p->nsegs, BUS_DMA_NOWAIT); 963 if (error) 964 return (error); 965 966 error = bus_dmamem_map(sc->sc_dmat, p->segs, p->nsegs, p->size, 967 &p->addr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT); 968 if (error) 969 goto free; 970 971 error = bus_dmamap_create(sc->sc_dmat, p->size, 1, p->size, 0, 972 BUS_DMA_NOWAIT, &p->map); 973 if (error) 974 goto unmap; 975 976 error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, p->size, NULL, 977 BUS_DMA_NOWAIT); 978 if (error) 979 goto destroy; 980 981 return (0); 982 983 destroy: 984 bus_dmamap_destroy(sc->sc_dmat, p->map); 985 unmap: 986 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 987 free: 988 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 989 990 return (error); 991 } 992 993 int 994 esa_freemem(struct esa_softc *sc, struct esa_dma *p) 995 { 996 997 bus_dmamap_unload(sc->sc_dmat, p->map); 998 bus_dmamap_destroy(sc->sc_dmat, p->map); 999 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 1000 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 1001 1002 return (0); 1003 } 1004 1005 /* 1006 * Supporting Subroutines 1007 */ 1008 const struct pci_matchid esa_devices[] = { 1009 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_ES1989 }, 1010 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3 }, 1011 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3_2 }, 1012 }; 1013 1014 int 1015 esa_match(struct device *dev, void *match, void *aux) 1016 { 1017 return (pci_matchbyid((struct pci_attach_args *)aux, esa_devices, 1018 nitems(esa_devices))); 1019 } 1020 1021 void 1022 esa_attach(struct device *parent, struct device *self, void *aux) 1023 { 1024 struct esa_softc *sc = (struct esa_softc *)self; 1025 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 1026 pcitag_t tag = pa->pa_tag; 1027 pci_chipset_tag_t pc = pa->pa_pc; 1028 pci_intr_handle_t ih; 1029 struct esa_card_type *card; 1030 const char *intrstr; 1031 int i, len; 1032 1033 for (card = esa_card_types; card->pci_vendor_id; card++) 1034 if (PCI_VENDOR(pa->pa_id) == card->pci_vendor_id && 1035 PCI_PRODUCT(pa->pa_id) == card->pci_product_id) { 1036 sc->type = card->type; 1037 sc->delay1 = card->delay1; 1038 sc->delay2 = card->delay2; 1039 break; 1040 } 1041 1042 /* Map I/O register */ 1043 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 1044 &sc->sc_iot, &sc->sc_ioh, &sc->sc_iob, &sc->sc_ios, 0)) { 1045 printf(": can't map i/o space\n"); 1046 return; 1047 } 1048 1049 /* Initialize softc */ 1050 sc->sc_tag = tag; 1051 sc->sc_pct = pc; 1052 sc->sc_dmat = pa->pa_dmat; 1053 1054 /* Map and establish an interrupt */ 1055 if (pci_intr_map(pa, &ih)) { 1056 printf(": can't map interrupt\n"); 1057 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1058 return; 1059 } 1060 intrstr = pci_intr_string(pc, ih); 1061 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, esa_intr, self, 1062 sc->sc_dev.dv_xname); 1063 if (sc->sc_ih == NULL) { 1064 printf(": can't establish interrupt"); 1065 if (intrstr != NULL) 1066 printf(" at %s", intrstr); 1067 printf("\n"); 1068 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1069 return; 1070 } 1071 printf(": %s\n", intrstr); 1072 1073 /* Power up chip */ 1074 pci_set_powerstate(pc, tag, PCI_PMCSR_STATE_D0); 1075 1076 /* Init chip */ 1077 if (esa_init(sc) == -1) { 1078 printf("%s: esa_attach: unable to initialize the card\n", 1079 sc->sc_dev.dv_xname); 1080 pci_intr_disestablish(pc, sc->sc_ih); 1081 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1082 return; 1083 } 1084 1085 /* create suspend save area */ 1086 len = sizeof(u_int16_t) * (ESA_REV_B_CODE_MEMORY_LENGTH 1087 + ESA_REV_B_DATA_MEMORY_LENGTH + 1); 1088 sc->savemem = malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO); 1089 if (sc->savemem == NULL) { 1090 printf("%s: unable to allocate suspend buffer\n", 1091 sc->sc_dev.dv_xname); 1092 pci_intr_disestablish(pc, sc->sc_ih); 1093 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1094 return; 1095 } 1096 1097 /* 1098 * Every card I've seen has had their channels swapped with respect 1099 * to the mixer. Ie: 1100 * $ mixerctl -w outputs.master=0,191 1101 * Would result in the _right_ speaker being turned off. 1102 * 1103 * So, we will swap the left and right mixer channels to compensate 1104 * for this. 1105 */ 1106 sc->codec_flags |= AC97_HOST_SWAPPED_CHANNELS; 1107 sc->codec_flags |= AC97_HOST_DONT_READ; 1108 1109 /* Attach AC97 host interface */ 1110 sc->host_if.arg = self; 1111 sc->host_if.attach = esa_attach_codec; 1112 sc->host_if.read = esa_read_codec; 1113 sc->host_if.write = esa_write_codec; 1114 sc->host_if.reset = esa_reset_codec; 1115 sc->host_if.flags = esa_flags_codec; 1116 1117 if (ac97_attach(&sc->host_if) != 0) { 1118 pci_intr_disestablish(pc, sc->sc_ih); 1119 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1120 free(sc->savemem, M_DEVBUF); 1121 return; 1122 } 1123 1124 /* initialize list management structures */ 1125 sc->mixer_list.mem_addr = ESA_KDATA_MIXER_XFER0; 1126 sc->mixer_list.max = ESA_MAX_VIRTUAL_MIXER_CHANNELS; 1127 sc->adc1_list.mem_addr = ESA_KDATA_ADC1_XFER0; 1128 sc->adc1_list.max = ESA_MAX_VIRTUAL_ADC1_CHANNELS; 1129 sc->dma_list.mem_addr = ESA_KDATA_DMA_XFER0; 1130 sc->dma_list.max = ESA_MAX_VIRTUAL_DMA_CHANNELS; 1131 sc->msrc_list.mem_addr = ESA_KDATA_INSTANCE0_MINISRC; 1132 sc->msrc_list.max = ESA_MAX_INSTANCE_MINISRC; 1133 1134 /* initialize index maps */ 1135 for (i = 0; i < ESA_NUM_VOICES * 2; i++) { 1136 sc->mixer_list.indexmap[i] = -1; 1137 sc->msrc_list.indexmap[i] = -1; 1138 sc->dma_list.indexmap[i] = -1; 1139 sc->adc1_list.indexmap[i] = -1; 1140 } 1141 for (i = 0; i < ESA_NUM_VOICES; i++) { 1142 sc->voice[i].parent = (struct device *)sc; 1143 sc->voice[i].index = i; 1144 sc->sc_audiodev[i] = 1145 audio_attach_mi(&esa_hw_if, &sc->voice[i], &sc->sc_dev); 1146 } 1147 } 1148 1149 int 1150 esa_detach(struct device *self, int flags) 1151 { 1152 struct esa_softc *sc = (struct esa_softc *)self; 1153 int i; 1154 1155 for (i = 0; i < ESA_NUM_VOICES; i++) { 1156 if (sc->sc_audiodev[i] != NULL) 1157 config_detach(sc->sc_audiodev[i], flags); 1158 } 1159 1160 if (sc->sc_ih != NULL) 1161 pci_intr_disestablish(sc->sc_pct, sc->sc_ih); 1162 if (sc->sc_ios) 1163 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1164 1165 free(sc->savemem, M_DEVBUF); 1166 1167 return (0); 1168 } 1169 1170 u_int16_t 1171 esa_read_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index) 1172 { 1173 u_int16_t data; 1174 bus_space_tag_t iot = sc->sc_iot; 1175 bus_space_handle_t ioh = sc->sc_ioh; 1176 1177 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1178 region & ESA_MEMTYPE_MASK); 1179 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1180 data = bus_space_read_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA); 1181 1182 return (data); 1183 } 1184 1185 void 1186 esa_write_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index, 1187 u_int16_t data) 1188 { 1189 bus_space_tag_t iot = sc->sc_iot; 1190 bus_space_handle_t ioh = sc->sc_ioh; 1191 1192 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1193 region & ESA_MEMTYPE_MASK); 1194 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1195 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA, data); 1196 1197 return; 1198 } 1199 1200 int 1201 esa_init_codec(struct esa_softc *sc) 1202 { 1203 bus_space_tag_t iot = sc->sc_iot; 1204 bus_space_handle_t ioh = sc->sc_ioh; 1205 u_int32_t data; 1206 1207 data = bus_space_read_1(iot, ioh, ESA_CODEC_COMMAND); 1208 1209 return ((data & 0x1) ? 0 : 1); 1210 } 1211 1212 int 1213 esa_attach_codec(void *aux, struct ac97_codec_if *codec_if) 1214 { 1215 struct esa_softc *sc = aux; 1216 1217 sc->codec_if = codec_if; 1218 1219 return (0); 1220 } 1221 1222 int 1223 esa_read_codec(void *aux, u_int8_t reg, u_int16_t *result) 1224 { 1225 struct esa_softc *sc = aux; 1226 bus_space_tag_t iot = sc->sc_iot; 1227 bus_space_handle_t ioh = sc->sc_ioh; 1228 1229 if (esa_wait(sc)) 1230 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1231 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, (reg & 0x7f) | 0x80); 1232 delay(50); 1233 if (esa_wait(sc)) 1234 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1235 *result = bus_space_read_2(iot, ioh, ESA_CODEC_DATA); 1236 1237 return (0); 1238 } 1239 1240 int 1241 esa_write_codec(void *aux, u_int8_t reg, u_int16_t data) 1242 { 1243 struct esa_softc *sc = aux; 1244 bus_space_tag_t iot = sc->sc_iot; 1245 bus_space_handle_t ioh = sc->sc_ioh; 1246 1247 if (esa_wait(sc)) { 1248 printf("%s: esa_write_codec: timed out\n", sc->sc_dev.dv_xname); 1249 return (-1); 1250 } 1251 bus_space_write_2(iot, ioh, ESA_CODEC_DATA, data); 1252 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, reg & 0x7f); 1253 delay(50); 1254 1255 return (0); 1256 } 1257 1258 void 1259 esa_reset_codec(void *aux) 1260 { 1261 1262 return; 1263 } 1264 1265 enum ac97_host_flags 1266 esa_flags_codec(void *aux) 1267 { 1268 struct esa_softc *sc = aux; 1269 1270 return (sc->codec_flags); 1271 } 1272 1273 int 1274 esa_wait(struct esa_softc *sc) 1275 { 1276 int i, val; 1277 bus_space_tag_t iot = sc->sc_iot; 1278 bus_space_handle_t ioh = sc->sc_ioh; 1279 1280 for (i = 0; i < 20; i++) { 1281 val = bus_space_read_1(iot, ioh, ESA_CODEC_STATUS); 1282 if ((val & 1) == 0) 1283 return (0); 1284 delay(2); 1285 } 1286 1287 return (-1); 1288 } 1289 1290 int 1291 esa_init(struct esa_softc *sc) 1292 { 1293 struct esa_voice *vc; 1294 bus_space_tag_t iot = sc->sc_iot; 1295 bus_space_handle_t ioh = sc->sc_ioh; 1296 pcitag_t tag = sc->sc_tag; 1297 pci_chipset_tag_t pc = sc->sc_pct; 1298 u_int32_t data, i, size; 1299 u_int8_t reset_state; 1300 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 1301 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 1302 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 1303 &~ 255; 1304 1305 /* Disable legacy emulation */ 1306 data = pci_conf_read(pc, tag, PCI_LEGACY_AUDIO_CTRL); 1307 data |= DISABLE_LEGACY; 1308 pci_conf_write(pc, tag, PCI_LEGACY_AUDIO_CTRL, data); 1309 1310 esa_config(sc); 1311 1312 reset_state = esa_assp_halt(sc); 1313 1314 esa_init_codec(sc); 1315 esa_codec_reset(sc); 1316 1317 /* Zero kernel and mixer data */ 1318 size = ESA_REV_B_DATA_MEMORY_UNIT_LENGTH * ESA_NUM_UNITS_KERNEL_DATA; 1319 for (i = 0; i < size / 2; i++) { 1320 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1321 ESA_KDATA_BASE_ADDR + i, 0); 1322 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1323 ESA_KDATA_BASE_ADDR2 + i, 0); 1324 } 1325 1326 /* Init DMA pointer */ 1327 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_CURRENT_DMA, 1328 ESA_KDATA_DMA_XFER0); 1329 1330 /* Write kernel code into memory */ 1331 size = nitems(esa_assp_kernel_image); 1332 for (i = 0; i < size; i++) 1333 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1334 ESA_REV_B_CODE_MEMORY_BEGIN + i, esa_assp_kernel_image[i]); 1335 1336 size = nitems(esa_assp_minisrc_image); 1337 for (i = 0; i < size; i++) 1338 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 0x400 + i, 1339 esa_assp_minisrc_image[i]); 1340 1341 /* Write the coefficients for the low pass filter */ 1342 size = nitems(esa_minisrc_lpf_image); 1343 for (i = 0; i < size; i++) 1344 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1345 0x400 + ESA_MINISRC_COEF_LOC + i, esa_minisrc_lpf_image[i]); 1346 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1347 0x400 + ESA_MINISRC_COEF_LOC + size, 0x8000); 1348 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TASK0, 0x400); 1349 /* Init the mixer number */ 1350 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1351 ESA_KDATA_MIXER_TASK_NUMBER, 0); 1352 /* Extreme kernel master volume */ 1353 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1354 ESA_KDATA_DAC_LEFT_VOLUME, ESA_ARB_VOLUME); 1355 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1356 ESA_KDATA_DAC_RIGHT_VOLUME, ESA_ARB_VOLUME); 1357 1358 if (esa_amp_enable(sc)) 1359 return (-1); 1360 1361 /* Zero entire DAC/ADC area */ 1362 for (i = 0x1100; i < 0x1c00; i++) 1363 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 0); 1364 1365 /* set some sane defaults */ 1366 for (i = 0; i < ESA_NUM_VOICES; i++) { 1367 vc = &sc->voice[i]; 1368 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * i); 1369 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * i * 2); 1370 } 1371 1372 esa_enable_interrupts(sc); 1373 1374 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1375 reset_state | ESA_REGB_ENABLE_RESET); 1376 1377 return (0); 1378 } 1379 1380 void 1381 esa_config(struct esa_softc *sc) 1382 { 1383 bus_space_tag_t iot = sc->sc_iot; 1384 bus_space_handle_t ioh = sc->sc_ioh; 1385 pcitag_t tag = sc->sc_tag; 1386 pci_chipset_tag_t pc = sc->sc_pct; 1387 u_int32_t data; 1388 1389 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1390 data &= ESA_REDUCED_DEBOUNCE; 1391 data |= ESA_PM_CTRL_ENABLE | ESA_CLK_DIV_BY_49 | ESA_USE_PCI_TIMING; 1392 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1393 1394 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RESET_ASSP); 1395 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1396 data &= ~ESA_INT_CLK_SELECT; 1397 if (sc->type == ESS_MAESTRO3) { 1398 data &= ~ESA_INT_CLK_MULT_ENABLE; 1399 data |= ESA_INT_CLK_SRC_NOT_PCI; 1400 } 1401 data &= ~(ESA_CLK_MULT_MODE_SELECT | ESA_CLK_MULT_MODE_SELECT_2); 1402 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1403 1404 if (sc->type == ESS_ALLEGRO1) { 1405 data = pci_conf_read(pc, tag, ESA_PCI_USER_CONFIG); 1406 data |= ESA_IN_CLK_12MHZ_SELECT; 1407 pci_conf_write(pc, tag, ESA_PCI_USER_CONFIG, data); 1408 } 1409 1410 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_A); 1411 data &= ~(ESA_DSP_CLK_36MHZ_SELECT | ESA_ASSP_CLK_49MHZ_SELECT); 1412 data |= ESA_ASSP_CLK_49MHZ_SELECT; /* XXX: Assumes 49MHz DSP */ 1413 data |= ESA_ASSP_0_WS_ENABLE; 1414 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_A, data); 1415 1416 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RUN_ASSP); 1417 1418 return; 1419 } 1420 1421 u_int8_t 1422 esa_assp_halt(struct esa_softc *sc) 1423 { 1424 bus_space_tag_t iot = sc->sc_iot; 1425 bus_space_handle_t ioh = sc->sc_ioh; 1426 u_int8_t data, reset_state; 1427 1428 data = bus_space_read_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B); 1429 reset_state = data & ~ESA_REGB_STOP_CLOCK; 1430 delay(10000); /* XXX use tsleep */ 1431 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1432 reset_state & ~ESA_REGB_ENABLE_RESET); 1433 delay(10000); /* XXX use tsleep */ 1434 1435 return (reset_state); 1436 } 1437 1438 void 1439 esa_codec_reset(struct esa_softc *sc) 1440 { 1441 bus_space_tag_t iot = sc->sc_iot; 1442 bus_space_handle_t ioh = sc->sc_ioh; 1443 u_int16_t data, dir; 1444 int retry = 0; 1445 1446 do { 1447 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1448 dir = data | 0x10; /* assuming pci bus master? */ 1449 1450 /* remote codec config */ 1451 data = bus_space_read_2(iot, ioh, ESA_RING_BUS_CTRL_B); 1452 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_B, 1453 data & ~ESA_SECOND_CODEC_ID_MASK); 1454 data = bus_space_read_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL); 1455 bus_space_write_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL, 1456 data & ~ESA_COMMAND_ADDR_OUT); 1457 data = bus_space_read_2(iot, ioh, ESA_SDO_IN_DEST_CTRL); 1458 bus_space_write_2(iot, ioh, ESA_SDO_IN_DEST_CTRL, 1459 data & ~ESA_STATUS_ADDR_IN); 1460 1461 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1462 ESA_IO_SRAM_ENABLE); 1463 delay(20); 1464 1465 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1466 dir & ~ESA_GPO_PRIMARY_AC97); 1467 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, 1468 ~ESA_GPO_PRIMARY_AC97); 1469 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 0); 1470 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1471 dir | ESA_GPO_PRIMARY_AC97); 1472 delay(sc->delay1 * 1000); 1473 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 1474 ESA_GPO_PRIMARY_AC97); 1475 delay(5); 1476 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1477 ESA_IO_SRAM_ENABLE | ESA_SERIAL_AC_LINK_ENABLE); 1478 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1479 delay(sc->delay2 * 1000); 1480 1481 esa_read_codec(sc, 0x7c, &data); 1482 if ((data == 0) || (data == 0xffff)) { 1483 retry++; 1484 if (retry > 3) { 1485 printf("%s: esa_codec_reset: failed\n", 1486 sc->sc_dev.dv_xname); 1487 break; 1488 } 1489 printf("%s: esa_codec_reset: retrying\n", 1490 sc->sc_dev.dv_xname); 1491 } else 1492 retry = 0; 1493 } while (retry); 1494 1495 return; 1496 } 1497 1498 int 1499 esa_amp_enable(struct esa_softc *sc) 1500 { 1501 bus_space_tag_t iot = sc->sc_iot; 1502 bus_space_handle_t ioh = sc->sc_ioh; 1503 u_int32_t gpo, polarity_port, polarity; 1504 u_int16_t data; 1505 1506 switch (sc->type) { 1507 case ESS_ALLEGRO1: 1508 polarity_port = 0x1800; 1509 break; 1510 case ESS_MAESTRO3: 1511 polarity_port = 0x1100; 1512 break; 1513 default: 1514 printf("%s: esa_amp_enable: Unknown chip type!!!\n", 1515 sc->sc_dev.dv_xname); 1516 return (1); 1517 } 1518 1519 gpo = (polarity_port >> 8) & 0x0f; 1520 polarity = polarity_port >> 12; 1521 polarity = !polarity; /* Enable */ 1522 polarity = polarity << gpo; 1523 gpo = 1 << gpo; 1524 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~gpo); 1525 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1526 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, data | gpo); 1527 data = ESA_GPO_SECONDARY_AC97 | ESA_GPO_PRIMARY_AC97 | polarity; 1528 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, data); 1529 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1530 1531 return (0); 1532 } 1533 1534 void 1535 esa_enable_interrupts(struct esa_softc *sc) 1536 { 1537 bus_space_tag_t iot = sc->sc_iot; 1538 bus_space_handle_t ioh = sc->sc_ioh; 1539 u_int8_t data; 1540 1541 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 1542 ESA_ASSP_INT_ENABLE | ESA_HV_INT_ENABLE); 1543 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_C); 1544 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 1545 data | ESA_ASSP_HOST_INT_ENABLE); 1546 } 1547 1548 /* 1549 * List management 1550 */ 1551 int 1552 esa_add_list(struct esa_voice *vc, struct esa_list *el, 1553 u_int16_t val, int index) 1554 { 1555 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1556 1557 el->indexmap[index] = el->currlen; 1558 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1559 el->mem_addr + el->currlen, 1560 val); 1561 1562 return (el->currlen++); 1563 } 1564 1565 void 1566 esa_remove_list(struct esa_voice *vc, struct esa_list *el, int index) 1567 { 1568 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1569 u_int16_t val; 1570 int lastindex = el->currlen - 1; 1571 int vindex = el->indexmap[index]; 1572 int i; 1573 1574 /* reset our virtual index */ 1575 el->indexmap[index] = -1; 1576 1577 if (vindex != lastindex) { 1578 val = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1579 el->mem_addr + lastindex); 1580 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1581 el->mem_addr + vindex, 1582 val); 1583 for (i = 0; i < ESA_NUM_VOICES * 2; i++) 1584 if (el->indexmap[i] == lastindex) 1585 break; 1586 if (i >= ESA_NUM_VOICES * 2) 1587 printf("%s: esa_remove_list: invalid task index\n", 1588 sc->sc_dev.dv_xname); 1589 else 1590 el->indexmap[i] = vindex; 1591 } 1592 1593 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1594 el->mem_addr + lastindex, 0); 1595 el->currlen--; 1596 1597 return; 1598 } 1599 1600 int 1601 esa_activate(struct device *self, int act) 1602 { 1603 struct esa_softc *sc = (struct esa_softc *)self; 1604 1605 switch (act) { 1606 case DVACT_SUSPEND: 1607 esa_suspend(sc); 1608 break; 1609 case DVACT_RESUME: 1610 esa_resume(sc); 1611 (sc->codec_if->vtbl->restore_ports)(sc->codec_if); 1612 break; 1613 } 1614 return 0; 1615 } 1616 1617 int 1618 esa_suspend(struct esa_softc *sc) 1619 { 1620 bus_space_tag_t iot = sc->sc_iot; 1621 bus_space_handle_t ioh = sc->sc_ioh; 1622 int i, index; 1623 1624 index = 0; 1625 1626 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 0); 1627 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 0); 1628 1629 esa_assp_halt(sc); 1630 1631 /* Save ASSP state */ 1632 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1633 i++) 1634 sc->savemem[index++] = esa_read_assp(sc, 1635 ESA_MEMTYPE_INTERNAL_CODE, i); 1636 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1637 i++) 1638 sc->savemem[index++] = esa_read_assp(sc, 1639 ESA_MEMTYPE_INTERNAL_DATA, i); 1640 1641 pci_set_powerstate(sc->sc_pct, sc->sc_tag, PCI_PMCSR_STATE_D3); 1642 1643 return (0); 1644 } 1645 1646 int 1647 esa_resume(struct esa_softc *sc) { 1648 bus_space_tag_t iot = sc->sc_iot; 1649 bus_space_handle_t ioh = sc->sc_ioh; 1650 int i, index; 1651 u_int8_t reset_state; 1652 1653 index = 0; 1654 1655 pci_set_powerstate(sc->sc_pct, sc->sc_tag, PCI_PMCSR_STATE_D0); 1656 delay(10000); 1657 1658 esa_config(sc); 1659 1660 reset_state = esa_assp_halt(sc); 1661 1662 esa_codec_reset(sc); 1663 1664 /* restore ASSP */ 1665 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1666 i++) 1667 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, i, 1668 sc->savemem[index++]); 1669 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1670 i++) 1671 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 1672 sc->savemem[index++]); 1673 1674 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_ACTIVE, 0); 1675 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1676 reset_state | ESA_REGB_ENABLE_RESET); 1677 1678 esa_enable_interrupts(sc); 1679 esa_amp_enable(sc); 1680 1681 return (0); 1682 } 1683 1684 u_int32_t 1685 esa_get_pointer(struct esa_softc *sc, struct esa_channel *ch) 1686 { 1687 u_int16_t hi = 0, lo = 0; 1688 u_int32_t addr; 1689 int data_offset = ch->data_offset; 1690 1691 hi = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1692 ESA_CDATA_HOST_SRC_CURRENTH); 1693 lo = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1694 ESA_CDATA_HOST_SRC_CURRENTL); 1695 1696 addr = lo | ((u_int32_t)hi << 16); 1697 return (addr - ch->start); 1698 } 1699 1700 paddr_t 1701 esa_mappage(void *addr, void *mem, off_t off, int prot) 1702 { 1703 struct esa_voice *vc = addr; 1704 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1705 struct esa_dma *p; 1706 1707 if (off < 0) 1708 return (-1); 1709 for (p = vc->dma; p && KERNADDR(p) != mem; p = p->next) 1710 ; 1711 if (!p) 1712 return (-1); 1713 return (bus_dmamem_mmap(sc->sc_dmat, p->segs, p->nsegs, 1714 off, prot, BUS_DMA_WAITOK)); 1715 } 1716