1 /* $NetBSD: esa.c,v 1.17 2002/10/02 16:51:12 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 2001, 2002 Jared D. McNeill <jmcneill@invisible.ca> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 20 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 22 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 /* 29 * ESS Allegro-1 / Maestro3 Audio Driver 30 * 31 * Based on the FreeBSD maestro3 driver and the NetBSD eap driver. 32 * Original driver by Don Kim. 33 * 34 * The list management code could possibly be written better, but what 35 * we have right now does the job nicely. Thanks to Zach Brown <zab@zabbo.net> 36 * and Andrew MacDonald <amac@epsilon.yi.org> for helping me debug the 37 * problems with the original list management code present in the Linux 38 * driver. 39 */ 40 41 #include <sys/types.h> 42 #include <sys/errno.h> 43 #include <sys/null.h> 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/malloc.h> 47 #include <sys/device.h> 48 #include <sys/conf.h> 49 #include <sys/exec.h> 50 #include <sys/select.h> 51 #include <sys/audioio.h> 52 53 #include <machine/bus.h> 54 #include <machine/intr.h> 55 56 #include <dev/pci/pcidevs.h> 57 #include <dev/pci/pcivar.h> 58 59 #include <dev/audio_if.h> 60 #include <dev/mulaw.h> 61 #include <dev/auconv.h> 62 #include <dev/ic/ac97var.h> 63 #include <dev/ic/ac97reg.h> 64 65 #include <dev/pci/esareg.h> 66 #include <dev/pci/esadsp.h> 67 #include <dev/pci/esavar.h> 68 69 #define PCI_CBIO 0x10 70 71 #define ESA_DAC_DATA 0x1100 72 73 enum { 74 ESS_ALLEGRO1, 75 ESS_MAESTRO3 76 }; 77 78 static struct esa_card_type { 79 u_int16_t pci_vendor_id; 80 u_int16_t pci_product_id; 81 int type; 82 int delay1, delay2; 83 } esa_card_types[] = { 84 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_ALLEGRO1, 85 ESS_ALLEGRO1, 50, 800 }, 86 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3, 87 ESS_MAESTRO3, 20, 500 }, 88 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3_2, 89 ESS_MAESTRO3, 20, 500 }, 90 { 0, 0, 0, 0, 0 } 91 }; 92 93 struct audio_device esa_device = { 94 "ESS Allegro", 95 "", 96 "esa" 97 }; 98 99 int esa_match(struct device *, struct cfdata *, void *); 100 void esa_attach(struct device *, struct device *, void *); 101 int esa_detach(struct device *, int); 102 103 /* audio(9) functions */ 104 int esa_open(void *, int); 105 void esa_close(void *); 106 int esa_query_encoding(void *, struct audio_encoding *); 107 int esa_set_params(void *, int, int, struct audio_params *, 108 struct audio_params *); 109 int esa_round_blocksize(void *, int); 110 int esa_commit_settings(void *); 111 int esa_halt_output(void *); 112 int esa_halt_input(void *); 113 int esa_set_port(void *, mixer_ctrl_t *); 114 int esa_get_port(void *, mixer_ctrl_t *); 115 int esa_query_devinfo(void *, mixer_devinfo_t *); 116 void * esa_malloc(void *, int, size_t, int, int); 117 void esa_free(void *, void *, int); 118 int esa_getdev(void *, struct audio_device *); 119 size_t esa_round_buffersize(void *, int, size_t); 120 int esa_get_props(void *); 121 int esa_trigger_output(void *, void *, void *, int, 122 void (*)(void *), void *, 123 struct audio_params *); 124 int esa_trigger_input(void *, void *, void *, int, 125 void (*)(void *), void *, 126 struct audio_params *); 127 128 int esa_intr(void *); 129 int esa_allocmem(struct esa_softc *, size_t, size_t, 130 struct esa_dma *); 131 int esa_freemem(struct esa_softc *, struct esa_dma *); 132 paddr_t esa_mappage(void *addr, void *mem, off_t off, int prot); 133 134 /* Supporting subroutines */ 135 u_int16_t esa_read_assp(struct esa_softc *, u_int16_t, u_int16_t); 136 void esa_write_assp(struct esa_softc *, u_int16_t, u_int16_t, 137 u_int16_t); 138 int esa_init_codec(struct esa_softc *); 139 int esa_attach_codec(void *, struct ac97_codec_if *); 140 int esa_read_codec(void *, u_int8_t, u_int16_t *); 141 int esa_write_codec(void *, u_int8_t, u_int16_t); 142 void esa_reset_codec(void *); 143 enum ac97_host_flags esa_flags_codec(void *); 144 int esa_wait(struct esa_softc *); 145 int esa_init(struct esa_softc *); 146 void esa_config(struct esa_softc *); 147 u_int8_t esa_assp_halt(struct esa_softc *); 148 void esa_codec_reset(struct esa_softc *); 149 int esa_amp_enable(struct esa_softc *); 150 void esa_enable_interrupts(struct esa_softc *); 151 u_int32_t esa_get_pointer(struct esa_softc *, struct esa_channel *); 152 153 /* list management */ 154 int esa_add_list(struct esa_voice *, struct esa_list *, u_int16_t, 155 int); 156 void esa_remove_list(struct esa_voice *, struct esa_list *, int); 157 158 /* power management */ 159 int esa_power(struct esa_softc *, int); 160 void esa_powerhook(int, void *); 161 int esa_suspend(struct esa_softc *); 162 int esa_resume(struct esa_softc *); 163 164 static audio_encoding_t esa_encoding[] = { 165 { 0, AudioEulinear, AUDIO_ENCODING_ULINEAR, 8, 0 }, 166 { 1, AudioEmulaw, AUDIO_ENCODING_ULAW, 8, 167 AUDIO_ENCODINGFLAG_EMULATED }, 168 { 2, AudioEalaw, AUDIO_ENCODING_ALAW, 8, AUDIO_ENCODINGFLAG_EMULATED }, 169 { 3, AudioEslinear, AUDIO_ENCODING_SLINEAR, 8, 170 AUDIO_ENCODINGFLAG_EMULATED }, /* XXX: Are you sure? */ 171 { 4, AudioEslinear_le, AUDIO_ENCODING_SLINEAR_LE, 16, 0 }, 172 { 5, AudioEulinear_le, AUDIO_ENCODING_ULINEAR_LE, 16, 173 AUDIO_ENCODINGFLAG_EMULATED }, 174 { 6, AudioEslinear_be, AUDIO_ENCODING_SLINEAR_BE, 16, 175 AUDIO_ENCODINGFLAG_EMULATED }, 176 { 7, AudioEulinear_be, AUDIO_ENCODING_ULINEAR_BE, 16, 177 AUDIO_ENCODINGFLAG_EMULATED } 178 }; 179 180 #define ESA_NENCODINGS 8 181 182 struct audio_hw_if esa_hw_if = { 183 esa_open, 184 esa_close, 185 NULL, /* drain */ 186 esa_query_encoding, 187 esa_set_params, 188 esa_round_blocksize, 189 esa_commit_settings, 190 NULL, /* init_output */ 191 NULL, /* init_input */ 192 NULL, /* start_output */ 193 NULL, /* start_input */ 194 esa_halt_output, 195 esa_halt_input, 196 NULL, /* speaker_ctl */ 197 esa_getdev, 198 NULL, /* getfd */ 199 esa_set_port, 200 esa_get_port, 201 esa_query_devinfo, 202 esa_malloc, 203 esa_free, 204 esa_round_buffersize, 205 esa_mappage, 206 esa_get_props, 207 esa_trigger_output, 208 esa_trigger_input 209 }; 210 211 CFATTACH_DECL(esa, sizeof(struct esa_softc), esa_match, esa_attach, 212 esa_detach, NULL); 213 214 /* 215 * audio(9) functions 216 */ 217 218 int 219 esa_open(void *hdl, int flags) 220 { 221 222 return (0); 223 } 224 225 void 226 esa_close(void *hdl) 227 { 228 229 return; 230 } 231 232 int 233 esa_query_encoding(void *hdl, struct audio_encoding *ae) 234 { 235 236 if (ae->index < 0 || ae->index >= ESA_NENCODINGS) 237 return (EINVAL); 238 *ae = esa_encoding[ae->index]; 239 240 return (0); 241 } 242 243 int 244 esa_set_params(void *hdl, int setmode, int usemode, struct audio_params *play, 245 struct audio_params *rec) 246 { 247 struct esa_voice *vc = hdl; 248 //struct esa_softc *sc = (struct esa_softc *)vc->parent; 249 struct esa_channel *ch; 250 struct audio_params *p; 251 int mode; 252 253 for (mode = AUMODE_RECORD; mode != -1; 254 mode = (mode == AUMODE_RECORD) ? AUMODE_PLAY : -1) { 255 if ((setmode & mode) == 0) 256 continue; 257 258 switch (mode) { 259 case AUMODE_PLAY: 260 p = play; 261 ch = &vc->play; 262 break; 263 case AUMODE_RECORD: 264 p = rec; 265 ch = &vc->rec; 266 break; 267 } 268 269 if (p->sample_rate < ESA_MINRATE || 270 p->sample_rate > ESA_MAXRATE || 271 (p->precision != 8 && p->precision != 16) || 272 (p->channels < 1 && p->channels > 2)) 273 return (EINVAL); 274 275 p->factor = 1; 276 p->sw_code = 0; 277 278 switch(p->encoding) { 279 case AUDIO_ENCODING_SLINEAR_BE: 280 if (p->precision == 16) 281 p->sw_code = swap_bytes; 282 else 283 p->sw_code = change_sign8; 284 break; 285 case AUDIO_ENCODING_SLINEAR_LE: 286 if (p->precision != 16) 287 p->sw_code = change_sign8; 288 break; 289 case AUDIO_ENCODING_ULINEAR_BE: 290 if (p->precision == 16) { 291 if (mode == AUMODE_PLAY) 292 p->sw_code = 293 swap_bytes_change_sign16_le; 294 else 295 p->sw_code = 296 change_sign16_swap_bytes_le; 297 } 298 break; 299 case AUDIO_ENCODING_ULINEAR_LE: 300 if (p->precision == 16) 301 p->sw_code = change_sign16_le; 302 break; 303 case AUDIO_ENCODING_ULAW: 304 if (mode == AUMODE_PLAY) { 305 p->factor = 2; 306 p->sw_code = mulaw_to_slinear16_le; 307 } else 308 p->sw_code = ulinear8_to_mulaw; 309 break; 310 case AUDIO_ENCODING_ALAW: 311 if (mode == AUMODE_PLAY) { 312 p->factor = 2; 313 p->sw_code = alaw_to_slinear16_le; 314 } else 315 p->sw_code = ulinear8_to_alaw; 316 break; 317 default: 318 return (EINVAL); 319 } 320 321 ch->mode = *p; 322 } 323 324 return (0); 325 } 326 327 int 328 esa_commit_settings(void *hdl) 329 { 330 struct esa_voice *vc = hdl; 331 struct esa_softc *sc = (struct esa_softc *)vc->parent; 332 struct audio_params *p = &vc->play.mode; 333 struct audio_params *r = &vc->rec.mode; 334 u_int32_t data; 335 u_int32_t freq; 336 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 337 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 338 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 339 &~ 255; 340 341 /* playback */ 342 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * vc->index); 343 if (p->channels == 1) 344 data = 1; 345 else 346 data = 0; 347 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 348 vc->play.data_offset + ESA_SRC3_MODE_OFFSET, 349 data); 350 if (p->precision * p->factor == 8) 351 data = 1; 352 else 353 data = 0; 354 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 355 vc->play.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET, 356 data); 357 if ((freq = ((p->sample_rate << 15) + 24000) / 48000) != 0) { 358 freq--; 359 } 360 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 361 vc->play.data_offset + ESA_CDATA_FREQUENCY, freq); 362 363 /* recording */ 364 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * vc->index) + 365 (data_bytes / 2); 366 if (r->channels == 1) 367 data = 1; 368 else 369 data = 0; 370 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 371 vc->rec.data_offset + ESA_SRC3_MODE_OFFSET, 372 data); 373 if (r->precision * r->factor == 8) 374 data = 1; 375 else 376 data = 0; 377 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 378 vc->rec.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET, 379 data); 380 if ((freq = ((r->sample_rate << 15) + 24000) / 48000) != 0) { 381 freq--; 382 } 383 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 384 vc->rec.data_offset + ESA_CDATA_FREQUENCY, freq); 385 386 return (0); 387 }; 388 389 int 390 esa_round_blocksize(void *hdl, int bs) 391 { 392 struct esa_voice *vc = hdl; 393 394 /* 395 * Surely there has to be a better solution... 396 */ 397 vc->play.blksize = vc->rec.blksize = 4096; 398 399 return (vc->play.blksize); 400 } 401 402 int 403 esa_halt_output(void *hdl) 404 { 405 struct esa_voice *vc = hdl; 406 struct esa_softc *sc = (struct esa_softc *)vc->parent; 407 bus_space_tag_t iot = sc->sc_iot; 408 bus_space_handle_t ioh = sc->sc_ioh; 409 u_int16_t data; 410 411 if (vc->play.active == 0) 412 return (0); 413 414 vc->play.active = 0; 415 416 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 417 ESA_CDATA_INSTANCE_READY + vc->play.data_offset, 0); 418 419 sc->sc_ntimers--; 420 if (sc->sc_ntimers == 0) { 421 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 422 ESA_KDATA_TIMER_COUNT_RELOAD, 0); 423 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 424 ESA_KDATA_TIMER_COUNT_CURRENT, 0); 425 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 426 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 427 data & ~ESA_CLKRUN_GEN_ENABLE); 428 } 429 430 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 431 ESA_KDATA_MIXER_TASK_NUMBER, 432 sc->mixer_list.indexmap[vc->index]); 433 /* remove ourselves from the packed lists */ 434 esa_remove_list(vc, &sc->mixer_list, vc->index); 435 esa_remove_list(vc, &sc->dma_list, vc->index); 436 esa_remove_list(vc, &sc->msrc_list, vc->index); 437 438 return (0); 439 } 440 441 int 442 esa_halt_input(void *hdl) 443 { 444 struct esa_voice *vc = hdl; 445 struct esa_softc *sc = (struct esa_softc *)vc->parent; 446 bus_space_tag_t iot = sc->sc_iot; 447 bus_space_handle_t ioh = sc->sc_ioh; 448 u_int32_t data; 449 450 if (vc->rec.active == 0) 451 return (0); 452 453 vc->rec.active = 0; 454 455 sc->sc_ntimers--; 456 if (sc->sc_ntimers == 0) { 457 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 458 ESA_KDATA_TIMER_COUNT_RELOAD, 0); 459 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 460 ESA_KDATA_TIMER_COUNT_CURRENT, 0); 461 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 462 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 463 data & ~ESA_CLKRUN_GEN_ENABLE); 464 } 465 466 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, vc->rec.data_offset + 467 ESA_CDATA_INSTANCE_READY, 0); 468 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 469 0); 470 471 /* remove ourselves from the packed lists */ 472 esa_remove_list(vc, &sc->adc1_list, vc->index + ESA_NUM_VOICES); 473 esa_remove_list(vc, &sc->dma_list, vc->index + ESA_NUM_VOICES); 474 esa_remove_list(vc, &sc->msrc_list, vc->index + ESA_NUM_VOICES); 475 476 return (0); 477 } 478 479 void * 480 esa_malloc(void *hdl, int direction, size_t size, int type, int flags) 481 { 482 struct esa_voice *vc = hdl; 483 struct esa_softc *sc = (struct esa_softc *)vc->parent; 484 struct esa_dma *p; 485 int error; 486 487 p = malloc(sizeof(*p), type, flags); 488 if (!p) 489 return (0); 490 error = esa_allocmem(sc, size, 16, p); 491 if (error) { 492 free(p, type); 493 printf("%s: esa_malloc: not enough memory\n", 494 sc->sc_dev.dv_xname); 495 return (0); 496 } 497 p->next = vc->dma; 498 vc->dma = p; 499 500 return (KERNADDR(p)); 501 } 502 503 void 504 esa_free(void *hdl, void *addr, int type) 505 { 506 struct esa_voice *vc = hdl; 507 struct esa_softc *sc = (struct esa_softc *)vc->parent; 508 struct esa_dma *p; 509 struct esa_dma **pp; 510 511 for (pp = &vc->dma; (p = *pp) != NULL; pp = &p->next) 512 if (KERNADDR(p) == addr) { 513 esa_freemem(sc, p); 514 *pp = p->next; 515 free(p, type); 516 return; 517 } 518 } 519 520 int 521 esa_getdev(void *hdl, struct audio_device *ret) 522 { 523 524 *ret = esa_device; 525 526 return (0); 527 } 528 529 int 530 esa_set_port(void *hdl, mixer_ctrl_t *mc) 531 { 532 struct esa_voice *vc = hdl; 533 struct esa_softc *sc = (struct esa_softc *)vc->parent; 534 535 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, mc)); 536 } 537 538 int 539 esa_get_port(void *hdl, mixer_ctrl_t *mc) 540 { 541 struct esa_voice *vc = hdl; 542 struct esa_softc *sc = (struct esa_softc *)vc->parent; 543 544 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, mc)); 545 } 546 547 int 548 esa_query_devinfo(void *hdl, mixer_devinfo_t *di) 549 { 550 struct esa_voice *vc = hdl; 551 struct esa_softc *sc = (struct esa_softc *)vc->parent; 552 553 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, di)); 554 } 555 556 size_t 557 esa_round_buffersize(void *hdl, int direction, size_t bufsize) 558 { 559 struct esa_voice *vc = hdl; 560 561 /* 562 * We must be able to do better than this... 563 */ 564 vc->play.bufsize = vc->rec.bufsize = 65536; 565 566 return (vc->play.bufsize); 567 } 568 569 int 570 esa_get_props(void *hdl) 571 { 572 573 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX); 574 } 575 576 int 577 esa_trigger_output(void *hdl, void *start, void *end, int blksize, 578 void (*intr)(void *), void *intrarg, 579 struct audio_params *param) 580 { 581 struct esa_voice *vc = hdl; 582 struct esa_softc *sc = (struct esa_softc *)vc->parent; 583 struct esa_dma *p; 584 bus_space_tag_t iot = sc->sc_iot; 585 bus_space_handle_t ioh = sc->sc_ioh; 586 u_int32_t data; 587 u_int32_t bufaddr; 588 u_int32_t i; 589 size_t size; 590 591 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 592 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 593 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 594 &~ 255; 595 int dac_data = ESA_DAC_DATA + (data_bytes * vc->index); 596 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x20 * 2); 597 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x20 * 2); 598 int dsp_in_buf = dac_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 599 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 600 601 if (vc->play.active) 602 return (EINVAL); 603 604 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) 605 ; 606 if (!p) { 607 printf("%s: esa_trigger_output: bad addr %p\n", 608 sc->sc_dev.dv_xname, start); 609 return (EINVAL); 610 } 611 612 vc->play.active = 1; 613 vc->play.intr = intr; 614 vc->play.arg = intrarg; 615 vc->play.pos = 0; 616 vc->play.count = 0; 617 vc->play.buf = start; 618 size = (size_t)(((caddr_t)end - (caddr_t)start)); 619 bufaddr = DMAADDR(p); 620 vc->play.start = bufaddr; 621 622 #define LO(x) ((x) & 0x0000ffff) 623 #define HI(x) ((x) >> 16) 624 625 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 626 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 627 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 628 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 629 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 630 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 631 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 632 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 633 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 634 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 635 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 636 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 637 638 /* DSP buffers */ 639 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 640 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 641 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 642 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 643 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 644 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 645 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 646 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 647 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 648 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 649 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 650 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 651 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 652 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 653 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 654 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 655 656 /* Some per-client initializers */ 657 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 658 ESA_SRC3_DIRECTION_OFFSET + 12, dac_data + 40 + 8); 659 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 660 ESA_SRC3_DIRECTION_OFFSET + 19, 0x400 + ESA_MINISRC_COEF_LOC); 661 /* Enable or disable low-pass filter? (0xff if rate > 45000) */ 662 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 663 ESA_SRC3_DIRECTION_OFFSET + 22, 664 vc->play.mode.sample_rate > 45000 ? 0xff : 0); 665 /* Tell it which way DMA is going */ 666 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 667 ESA_CDATA_DMA_CONTROL, 668 ESA_DMACONTROL_AUTOREPEAT + ESA_DMAC_PAGE3_SELECTOR + 669 ESA_DMAC_BLOCKF_SELECTOR); 670 671 /* Set an armload of static initializers */ 672 for (i = 0; i < (sizeof(esa_playvals) / sizeof(esa_playvals[0])); i++) 673 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 674 esa_playvals[i].addr, esa_playvals[i].val); 675 676 /* Put us in the packed task lists */ 677 esa_add_list(vc, &sc->msrc_list, dac_data >> ESA_DP_SHIFT_COUNT, 678 vc->index); 679 esa_add_list(vc, &sc->dma_list, dac_data >> ESA_DP_SHIFT_COUNT, 680 vc->index); 681 esa_add_list(vc, &sc->mixer_list, dac_data >> ESA_DP_SHIFT_COUNT, 682 vc->index); 683 #undef LO 684 #undef HI 685 686 /* XXX */ 687 //esa_commit_settings(vc); 688 689 sc->sc_ntimers++; 690 691 if (sc->sc_ntimers == 1) { 692 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 693 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 694 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 695 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 696 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 697 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 698 data | ESA_CLKRUN_GEN_ENABLE); 699 } 700 701 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 702 ESA_CDATA_INSTANCE_READY, 1); 703 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 704 ESA_KDATA_MIXER_TASK_NUMBER, 705 sc->mixer_list.indexmap[vc->index]); 706 707 return (0); 708 } 709 710 int 711 esa_trigger_input(void *hdl, void *start, void *end, int blksize, 712 void (*intr)(void *), void *intrarg, 713 struct audio_params *param) 714 { 715 struct esa_voice *vc = hdl; 716 struct esa_softc *sc = (struct esa_softc *)vc->parent; 717 struct esa_dma *p; 718 bus_space_tag_t iot = sc->sc_iot; 719 bus_space_handle_t ioh = sc->sc_ioh; 720 u_int32_t data; 721 u_int32_t bufaddr; 722 u_int32_t i; 723 size_t size; 724 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 725 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 726 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 727 &~ 255; 728 int adc_data = ESA_DAC_DATA + (data_bytes * vc->index) + 729 (data_bytes / 2); 730 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x10 * 2); 731 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x10 * 2); 732 int dsp_in_buf = adc_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 733 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 734 vc->rec.data_offset = adc_data; 735 736 /* We only support 1 recording channel */ 737 if (vc->index > 0) 738 return (ENODEV); 739 740 if (vc->rec.active) 741 return (EINVAL); 742 743 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) 744 ; 745 if (!p) { 746 printf("%s: esa_trigger_input: bad addr %p\n", 747 sc->sc_dev.dv_xname, start); 748 return (EINVAL); 749 } 750 751 vc->rec.active = 1; 752 vc->rec.intr = intr; 753 vc->rec.arg = intrarg; 754 vc->rec.pos = 0; 755 vc->rec.count = 0; 756 vc->rec.buf = start; 757 size = (size_t)(((caddr_t)end - (caddr_t)start)); 758 bufaddr = DMAADDR(p); 759 vc->rec.start = bufaddr; 760 761 #define LO(x) ((x) & 0x0000ffff) 762 #define HI(x) ((x) >> 16) 763 764 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 765 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 766 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 767 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 768 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 769 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 770 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 771 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 772 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 773 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 774 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 775 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 776 777 /* DSP buffers */ 778 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 779 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 780 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 781 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 782 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 783 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 784 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 785 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 786 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 787 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 788 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 789 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 790 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 791 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 792 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 793 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 794 795 /* Some per-client initializers */ 796 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 797 ESA_SRC3_DIRECTION_OFFSET + 12, adc_data + 40 + 8); 798 /* Tell it which way DMA is going */ 799 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 800 ESA_CDATA_DMA_CONTROL, 801 ESA_DMACONTROL_DIRECTION + ESA_DMACONTROL_AUTOREPEAT + 802 ESA_DMAC_PAGE3_SELECTOR + ESA_DMAC_BLOCKF_SELECTOR); 803 804 /* Set an armload of static initializers */ 805 for (i = 0; i < (sizeof(esa_recvals) / sizeof(esa_recvals[0])); i++) 806 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 807 esa_recvals[i].addr, esa_recvals[i].val); 808 809 /* Put us in the packed task lists */ 810 esa_add_list(vc, &sc->adc1_list, adc_data >> ESA_DP_SHIFT_COUNT, 811 vc->index + ESA_NUM_VOICES); 812 esa_add_list(vc, &sc->msrc_list, adc_data >> ESA_DP_SHIFT_COUNT, 813 vc->index + ESA_NUM_VOICES); 814 esa_add_list(vc, &sc->dma_list, adc_data >> ESA_DP_SHIFT_COUNT, 815 vc->index + ESA_NUM_VOICES); 816 #undef LO 817 #undef HI 818 819 /* XXX */ 820 //esa_commit_settings(vc); 821 822 sc->sc_ntimers++; 823 if (sc->sc_ntimers == 1) { 824 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 825 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 826 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 827 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 828 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 829 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 830 data | ESA_CLKRUN_GEN_ENABLE); 831 } 832 833 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 834 ESA_CDATA_INSTANCE_READY, 1); 835 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 836 1); 837 838 return (0); 839 } 840 841 /* Interrupt handler */ 842 843 int 844 esa_intr(void *hdl) 845 { 846 struct esa_softc *sc = hdl; 847 struct esa_voice *vc; 848 bus_space_tag_t iot = sc->sc_iot; 849 bus_space_handle_t ioh = sc->sc_ioh; 850 u_int8_t status, ctl; 851 u_int32_t pos; 852 u_int32_t diff; 853 u_int32_t play_blksize, play_bufsize; 854 u_int32_t rec_blksize, rec_bufsize; 855 int i; 856 857 status = bus_space_read_1(iot, ioh, ESA_HOST_INT_STATUS); 858 if (status == 0xff) 859 return (0); 860 861 /* ack the interrupt */ 862 bus_space_write_1(iot, ioh, ESA_HOST_INT_STATUS, status); 863 864 if (status & ESA_HV_INT_PENDING) { 865 u_int8_t event; 866 867 printf("%s: hardware volume interrupt\n", sc->sc_dev.dv_xname); 868 event = bus_space_read_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER); 869 switch(event) { 870 case 0x99: 871 case 0xaa: 872 case 0x66: 873 case 0x88: 874 printf("%s: esa_intr: FIXME\n", sc->sc_dev.dv_xname); 875 break; 876 default: 877 printf("%s: unknown hwvol event 0x%02x\n", 878 sc->sc_dev.dv_xname, event); 879 break; 880 } 881 bus_space_write_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER, 0x88); 882 } 883 884 if (status & ESA_ASSP_INT_PENDING) { 885 ctl = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_B); 886 if (!(ctl & ESA_STOP_ASSP_CLOCK)) { 887 ctl = bus_space_read_1(iot, ioh, 888 ESA_ASSP_HOST_INT_STATUS); 889 if (ctl & ESA_DSP2HOST_REQ_TIMER) { 890 bus_space_write_1(iot, ioh, 891 ESA_ASSP_HOST_INT_STATUS, 892 ESA_DSP2HOST_REQ_TIMER); 893 for (i = 0; i < ESA_NUM_VOICES; i++) { 894 vc = &sc->voice[i]; 895 if (vc->play.active) { 896 play_blksize = vc->play.blksize; 897 play_bufsize = vc->play.bufsize; 898 pos = esa_get_pointer(sc, &vc->play) 899 % play_bufsize; 900 diff = (play_bufsize + pos - vc->play.pos) 901 % play_bufsize; 902 vc->play.pos = pos; 903 vc->play.count += diff; 904 while(vc->play.count >= play_blksize) { 905 vc->play.count -= play_blksize; 906 (*vc->play.intr)(vc->play.arg); 907 } 908 } 909 if (vc->rec.active) { 910 rec_blksize = vc->rec.blksize; 911 rec_bufsize = vc->rec.bufsize; 912 pos = esa_get_pointer(sc, &vc->rec) 913 % rec_bufsize; 914 diff = (rec_bufsize + pos - vc->rec.pos) 915 % rec_bufsize; 916 vc->rec.pos = pos; 917 vc->rec.count += diff; 918 while(vc->rec.count >= rec_blksize) { 919 vc->rec.count -= rec_blksize; 920 (*vc->rec.intr)(vc->rec.arg); 921 } 922 } 923 } 924 } 925 } 926 } 927 928 return (1); 929 } 930 931 int 932 esa_allocmem(struct esa_softc *sc, size_t size, size_t align, 933 struct esa_dma *p) 934 { 935 int error; 936 937 p->size = size; 938 error = bus_dmamem_alloc(sc->sc_dmat, p->size, align, 0, 939 p->segs, sizeof(p->segs) / sizeof(p->segs[0]), 940 &p->nsegs, BUS_DMA_NOWAIT); 941 if (error) 942 return (error); 943 944 error = bus_dmamem_map(sc->sc_dmat, p->segs, p->nsegs, p->size, 945 &p->addr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT); 946 if (error) 947 goto free; 948 949 error = bus_dmamap_create(sc->sc_dmat, p->size, 1, p->size, 0, 950 BUS_DMA_NOWAIT, &p->map); 951 if (error) 952 goto unmap; 953 954 error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, p->size, NULL, 955 BUS_DMA_NOWAIT); 956 if (error) 957 goto destroy; 958 959 return (0); 960 961 destroy: 962 bus_dmamap_destroy(sc->sc_dmat, p->map); 963 unmap: 964 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 965 free: 966 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 967 968 return (error); 969 } 970 971 int 972 esa_freemem(struct esa_softc *sc, struct esa_dma *p) 973 { 974 975 bus_dmamap_unload(sc->sc_dmat, p->map); 976 bus_dmamap_destroy(sc->sc_dmat, p->map); 977 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 978 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 979 980 return (0); 981 } 982 983 /* 984 * Supporting Subroutines 985 */ 986 987 int 988 esa_match(struct device *dev, struct cfdata *match, void *aux) 989 { 990 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 991 992 switch(PCI_VENDOR(pa->pa_id)) { 993 case PCI_VENDOR_ESSTECH: 994 switch(PCI_PRODUCT(pa->pa_id)) { 995 case PCI_PRODUCT_ESSTECH_ALLEGRO1: 996 case PCI_PRODUCT_ESSTECH_MAESTRO3: 997 case PCI_PRODUCT_ESSTECH_MAESTRO3_2: 998 return (1); 999 } 1000 } 1001 1002 return (0); 1003 } 1004 1005 void 1006 esa_attach(struct device *parent, struct device *self, void *aux) 1007 { 1008 struct esa_softc *sc = (struct esa_softc *)self; 1009 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 1010 pcitag_t tag = pa->pa_tag; 1011 pci_chipset_tag_t pc = pa->pa_pc; 1012 pci_intr_handle_t ih; 1013 struct esa_card_type *card; 1014 const char *intrstr; 1015 u_int32_t data; 1016 char devinfo[256]; 1017 int revision, len; 1018 int i; 1019 1020 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); 1021 revision = PCI_REVISION(pa->pa_class); 1022 printf(": %s (rev. 0x%02x)\n", devinfo, revision); 1023 1024 for (card = esa_card_types; card->pci_vendor_id; card++) 1025 if (PCI_VENDOR(pa->pa_id) == card->pci_vendor_id && 1026 PCI_PRODUCT(pa->pa_id) == card->pci_product_id) { 1027 sc->type = card->type; 1028 sc->delay1 = card->delay1; 1029 sc->delay2 = card->delay2; 1030 break; 1031 } 1032 1033 data = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG); 1034 data |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE 1035 | PCI_COMMAND_MASTER_ENABLE); 1036 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, data); 1037 1038 /* Map I/O register */ 1039 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 1040 &sc->sc_iot, &sc->sc_ioh, &sc->sc_iob, &sc->sc_ios)) { 1041 printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname); 1042 return; 1043 } 1044 1045 /* Initialize softc */ 1046 sc->sc_tag = tag; 1047 sc->sc_pct = pc; 1048 sc->sc_dmat = pa->pa_dmat; 1049 1050 /* Map and establish an interrupt */ 1051 if (pci_intr_map(pa, &ih)) { 1052 printf("%s: can't map interrupt\n", sc->sc_dev.dv_xname); 1053 return; 1054 } 1055 intrstr = pci_intr_string(pc, ih); 1056 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, esa_intr, self); 1057 if (sc->sc_ih == NULL) { 1058 printf("%s: can't establish interrupt", sc->sc_dev.dv_xname); 1059 if (intrstr != NULL) 1060 printf(" at %s", intrstr); 1061 printf("\n"); 1062 return; 1063 } 1064 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 1065 1066 /* Power up chip */ 1067 esa_power(sc, PCI_PMCSR_STATE_D0); 1068 1069 /* Init chip */ 1070 if (esa_init(sc) == -1) { 1071 printf("%s: esa_attach: unable to initialize the card\n", 1072 sc->sc_dev.dv_xname); 1073 return; 1074 } 1075 1076 /* create suspend save area */ 1077 len = sizeof(u_int16_t) * (ESA_REV_B_CODE_MEMORY_LENGTH 1078 + ESA_REV_B_DATA_MEMORY_LENGTH + 1); 1079 sc->savemem = (u_int16_t *)malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO); 1080 if (sc->savemem == NULL) { 1081 printf("%s: unable to allocate suspend buffer\n", 1082 sc->sc_dev.dv_xname); 1083 return; 1084 } 1085 1086 /* 1087 * Every card I've seen has had their channels swapped with respect 1088 * to the mixer. Ie: 1089 * $ mixerctl -w outputs.master=0,191 1090 * Would result in the _right_ speaker being turned off. 1091 * 1092 * So, we will swap the left and right mixer channels to compensate 1093 * for this. 1094 */ 1095 sc->codec_flags = AC97_HOST_SWAPPED_CHANNELS; 1096 1097 /* Attach AC97 host interface */ 1098 sc->host_if.arg = self; 1099 sc->host_if.attach = esa_attach_codec; 1100 sc->host_if.read = esa_read_codec; 1101 sc->host_if.write = esa_write_codec; 1102 sc->host_if.reset = esa_reset_codec; 1103 sc->host_if.flags = esa_flags_codec; 1104 1105 if (ac97_attach(&sc->host_if) != 0) 1106 return; 1107 1108 /* initialize list management structures */ 1109 sc->mixer_list.mem_addr = ESA_KDATA_MIXER_XFER0; 1110 sc->mixer_list.max = ESA_MAX_VIRTUAL_MIXER_CHANNELS; 1111 sc->adc1_list.mem_addr = ESA_KDATA_ADC1_XFER0; 1112 sc->adc1_list.max = ESA_MAX_VIRTUAL_ADC1_CHANNELS; 1113 sc->dma_list.mem_addr = ESA_KDATA_DMA_XFER0; 1114 sc->dma_list.max = ESA_MAX_VIRTUAL_DMA_CHANNELS; 1115 sc->msrc_list.mem_addr = ESA_KDATA_INSTANCE0_MINISRC; 1116 sc->msrc_list.max = ESA_MAX_INSTANCE_MINISRC; 1117 1118 /* initialize index maps */ 1119 for (i = 0; i < ESA_NUM_VOICES * 2; i++) { 1120 sc->mixer_list.indexmap[i] = -1; 1121 sc->msrc_list.indexmap[i] = -1; 1122 sc->dma_list.indexmap[i] = -1; 1123 sc->adc1_list.indexmap[i] = -1; 1124 } 1125 for (i = 0; i < ESA_NUM_VOICES; i++) { 1126 sc->voice[i].parent = (struct device *)sc; 1127 sc->voice[i].index = i; 1128 sc->sc_audiodev[i] = 1129 audio_attach_mi(&esa_hw_if, &sc->voice[i], &sc->sc_dev); 1130 } 1131 1132 sc->powerhook = powerhook_establish(esa_powerhook, sc); 1133 if (sc->powerhook == NULL) 1134 printf("%s: WARNING: unable to establish powerhook\n", 1135 sc->sc_dev.dv_xname); 1136 1137 return; 1138 } 1139 1140 int 1141 esa_detach(struct device *self, int flags) 1142 { 1143 struct esa_softc *sc = (struct esa_softc *)self; 1144 int i; 1145 1146 for (i = 0; i < ESA_NUM_VOICES; i++) { 1147 if (sc->sc_audiodev[i] != NULL) 1148 config_detach(sc->sc_audiodev[i], flags); 1149 } 1150 1151 if (sc->sc_ih != NULL) 1152 pci_intr_disestablish(sc->sc_pct, sc->sc_ih); 1153 if (sc->sc_ios) 1154 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1155 1156 free(sc->savemem, M_DEVBUF); 1157 1158 return (0); 1159 } 1160 1161 u_int16_t 1162 esa_read_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index) 1163 { 1164 u_int16_t data; 1165 bus_space_tag_t iot = sc->sc_iot; 1166 bus_space_handle_t ioh = sc->sc_ioh; 1167 1168 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1169 region & ESA_MEMTYPE_MASK); 1170 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1171 data = bus_space_read_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA); 1172 1173 return (data); 1174 } 1175 1176 void 1177 esa_write_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index, 1178 u_int16_t data) 1179 { 1180 bus_space_tag_t iot = sc->sc_iot; 1181 bus_space_handle_t ioh = sc->sc_ioh; 1182 1183 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1184 region & ESA_MEMTYPE_MASK); 1185 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1186 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA, data); 1187 1188 return; 1189 } 1190 1191 int 1192 esa_init_codec(struct esa_softc *sc) 1193 { 1194 bus_space_tag_t iot = sc->sc_iot; 1195 bus_space_handle_t ioh = sc->sc_ioh; 1196 u_int32_t data; 1197 1198 data = bus_space_read_1(iot, ioh, ESA_CODEC_COMMAND); 1199 1200 return ((data & 0x1) ? 0 : 1); 1201 } 1202 1203 int 1204 esa_attach_codec(void *aux, struct ac97_codec_if *codec_if) 1205 { 1206 struct esa_softc *sc = aux; 1207 1208 sc->codec_if = codec_if; 1209 1210 return (0); 1211 } 1212 1213 int 1214 esa_read_codec(void *aux, u_int8_t reg, u_int16_t *result) 1215 { 1216 struct esa_softc *sc = aux; 1217 bus_space_tag_t iot = sc->sc_iot; 1218 bus_space_handle_t ioh = sc->sc_ioh; 1219 1220 if (esa_wait(sc)) 1221 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1222 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, (reg & 0x7f) | 0x80); 1223 delay(50); 1224 if (esa_wait(sc)) 1225 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1226 *result = bus_space_read_2(iot, ioh, ESA_CODEC_DATA); 1227 1228 return (0); 1229 } 1230 1231 int 1232 esa_write_codec(void *aux, u_int8_t reg, u_int16_t data) 1233 { 1234 struct esa_softc *sc = aux; 1235 bus_space_tag_t iot = sc->sc_iot; 1236 bus_space_handle_t ioh = sc->sc_ioh; 1237 1238 if (esa_wait(sc)) { 1239 printf("%s: esa_write_codec: timed out\n", sc->sc_dev.dv_xname); 1240 return (-1); 1241 } 1242 bus_space_write_2(iot, ioh, ESA_CODEC_DATA, data); 1243 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, reg & 0x7f); 1244 delay(50); 1245 1246 return (0); 1247 } 1248 1249 void 1250 esa_reset_codec(void *aux) 1251 { 1252 1253 return; 1254 } 1255 1256 enum ac97_host_flags 1257 esa_flags_codec(void *aux) 1258 { 1259 struct esa_softc *sc = aux; 1260 1261 return (sc->codec_flags); 1262 } 1263 1264 int 1265 esa_wait(struct esa_softc *sc) 1266 { 1267 int i, val; 1268 bus_space_tag_t iot = sc->sc_iot; 1269 bus_space_handle_t ioh = sc->sc_ioh; 1270 1271 for (i = 0; i < 20; i++) { 1272 val = bus_space_read_1(iot, ioh, ESA_CODEC_STATUS); 1273 if ((val & 1) == 0) 1274 return (0); 1275 delay(2); 1276 } 1277 1278 return (-1); 1279 } 1280 1281 int 1282 esa_init(struct esa_softc *sc) 1283 { 1284 struct esa_voice *vc; 1285 bus_space_tag_t iot = sc->sc_iot; 1286 bus_space_handle_t ioh = sc->sc_ioh; 1287 pcitag_t tag = sc->sc_tag; 1288 pci_chipset_tag_t pc = sc->sc_pct; 1289 u_int32_t data, i, size; 1290 u_int8_t reset_state; 1291 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 1292 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 1293 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 1294 &~ 255; 1295 1296 /* Disable legacy emulation */ 1297 data = pci_conf_read(pc, tag, PCI_LEGACY_AUDIO_CTRL); 1298 data |= DISABLE_LEGACY; 1299 pci_conf_write(pc, tag, PCI_LEGACY_AUDIO_CTRL, data); 1300 1301 esa_config(sc); 1302 1303 reset_state = esa_assp_halt(sc); 1304 1305 esa_init_codec(sc); 1306 esa_codec_reset(sc); 1307 1308 /* Zero kernel and mixer data */ 1309 size = ESA_REV_B_DATA_MEMORY_UNIT_LENGTH * ESA_NUM_UNITS_KERNEL_DATA; 1310 for (i = 0; i < size / 2; i++) { 1311 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1312 ESA_KDATA_BASE_ADDR + i, 0); 1313 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1314 ESA_KDATA_BASE_ADDR2 + i, 0); 1315 } 1316 1317 /* Init DMA pointer */ 1318 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_CURRENT_DMA, 1319 ESA_KDATA_DMA_XFER0); 1320 1321 /* Write kernel code into memory */ 1322 size = sizeof(esa_assp_kernel_image); 1323 for (i = 0; i < size / 2; i++) 1324 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1325 ESA_REV_B_CODE_MEMORY_BEGIN + i, esa_assp_kernel_image[i]); 1326 1327 size = sizeof(esa_assp_minisrc_image); 1328 for (i = 0; i < size / 2; i++) 1329 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 0x400 + i, 1330 esa_assp_minisrc_image[i]); 1331 1332 /* Write the coefficients for the low pass filter */ 1333 size = sizeof(esa_minisrc_lpf_image); 1334 for (i = 0; i < size / 2; i++) 1335 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1336 0x400 + ESA_MINISRC_COEF_LOC + i, esa_minisrc_lpf_image[i]); 1337 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1338 0x400 + ESA_MINISRC_COEF_LOC + size, 0x8000); 1339 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TASK0, 0x400); 1340 /* Init the mixer number */ 1341 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1342 ESA_KDATA_MIXER_TASK_NUMBER, 0); 1343 /* Extreme kernel master volume */ 1344 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1345 ESA_KDATA_DAC_LEFT_VOLUME, ESA_ARB_VOLUME); 1346 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1347 ESA_KDATA_DAC_RIGHT_VOLUME, ESA_ARB_VOLUME); 1348 1349 if (esa_amp_enable(sc)) 1350 return (-1); 1351 1352 /* Zero entire DAC/ADC area */ 1353 for (i = 0x1100; i < 0x1c00; i++) 1354 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 0); 1355 1356 /* set some sane defaults */ 1357 for (i = 0; i < ESA_NUM_VOICES; i++) { 1358 vc = &sc->voice[i]; 1359 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * i); 1360 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * i * 2); 1361 } 1362 1363 esa_enable_interrupts(sc); 1364 1365 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1366 reset_state | ESA_REGB_ENABLE_RESET); 1367 1368 return (0); 1369 } 1370 1371 void 1372 esa_config(struct esa_softc *sc) 1373 { 1374 bus_space_tag_t iot = sc->sc_iot; 1375 bus_space_handle_t ioh = sc->sc_ioh; 1376 pcitag_t tag = sc->sc_tag; 1377 pci_chipset_tag_t pc = sc->sc_pct; 1378 u_int32_t data; 1379 1380 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1381 data &= ESA_REDUCED_DEBOUNCE; 1382 data |= ESA_PM_CTRL_ENABLE | ESA_CLK_DIV_BY_49 | ESA_USE_PCI_TIMING; 1383 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1384 1385 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RESET_ASSP); 1386 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1387 data &= ~ESA_INT_CLK_SELECT; 1388 if (sc->type == ESS_MAESTRO3) { 1389 data &= ~ESA_INT_CLK_MULT_ENABLE; 1390 data |= ESA_INT_CLK_SRC_NOT_PCI; 1391 } 1392 data &= ~(ESA_CLK_MULT_MODE_SELECT | ESA_CLK_MULT_MODE_SELECT_2); 1393 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1394 1395 if (sc->type == ESS_ALLEGRO1) { 1396 data = pci_conf_read(pc, tag, ESA_PCI_USER_CONFIG); 1397 data |= ESA_IN_CLK_12MHZ_SELECT; 1398 pci_conf_write(pc, tag, ESA_PCI_USER_CONFIG, data); 1399 } 1400 1401 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_A); 1402 data &= ~(ESA_DSP_CLK_36MHZ_SELECT | ESA_ASSP_CLK_49MHZ_SELECT); 1403 data |= ESA_ASSP_CLK_49MHZ_SELECT; /* XXX: Assumes 49MHz DSP */ 1404 data |= ESA_ASSP_0_WS_ENABLE; 1405 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_A, data); 1406 1407 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RUN_ASSP); 1408 1409 return; 1410 } 1411 1412 u_int8_t 1413 esa_assp_halt(struct esa_softc *sc) 1414 { 1415 bus_space_tag_t iot = sc->sc_iot; 1416 bus_space_handle_t ioh = sc->sc_ioh; 1417 u_int8_t data, reset_state; 1418 1419 data = bus_space_read_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B); 1420 reset_state = data & ~ESA_REGB_STOP_CLOCK; 1421 delay(10000); /* XXX use tsleep */ 1422 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1423 reset_state & ~ESA_REGB_ENABLE_RESET); 1424 delay(10000); /* XXX use tsleep */ 1425 1426 return (reset_state); 1427 } 1428 1429 void 1430 esa_codec_reset(struct esa_softc *sc) 1431 { 1432 bus_space_tag_t iot = sc->sc_iot; 1433 bus_space_handle_t ioh = sc->sc_ioh; 1434 u_int16_t data, dir; 1435 int retry = 0; 1436 1437 do { 1438 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1439 dir = data | 0x10; /* assuming pci bus master? */ 1440 1441 /* remote codec config */ 1442 data = bus_space_read_2(iot, ioh, ESA_RING_BUS_CTRL_B); 1443 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_B, 1444 data & ~ESA_SECOND_CODEC_ID_MASK); 1445 data = bus_space_read_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL); 1446 bus_space_write_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL, 1447 data & ~ESA_COMMAND_ADDR_OUT); 1448 data = bus_space_read_2(iot, ioh, ESA_SDO_IN_DEST_CTRL); 1449 bus_space_write_2(iot, ioh, ESA_SDO_IN_DEST_CTRL, 1450 data & ~ESA_STATUS_ADDR_IN); 1451 1452 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1453 ESA_IO_SRAM_ENABLE); 1454 delay(20); 1455 1456 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1457 dir & ~ESA_GPO_PRIMARY_AC97); 1458 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, 1459 ~ESA_GPO_PRIMARY_AC97); 1460 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 0); 1461 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1462 dir | ESA_GPO_PRIMARY_AC97); 1463 delay(sc->delay1 * 1000); 1464 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 1465 ESA_GPO_PRIMARY_AC97); 1466 delay(5); 1467 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1468 ESA_IO_SRAM_ENABLE | ESA_SERIAL_AC_LINK_ENABLE); 1469 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1470 delay(sc->delay2 * 1000); 1471 1472 esa_read_codec(sc, 0x7c, &data); 1473 if ((data == 0) || (data == 0xffff)) { 1474 retry++; 1475 if (retry > 3) { 1476 printf("%s: esa_codec_reset: failed\n", 1477 sc->sc_dev.dv_xname); 1478 break; 1479 } 1480 printf("%s: esa_codec_reset: retrying\n", 1481 sc->sc_dev.dv_xname); 1482 } else 1483 retry = 0; 1484 } while (retry); 1485 1486 return; 1487 } 1488 1489 int 1490 esa_amp_enable(struct esa_softc *sc) 1491 { 1492 bus_space_tag_t iot = sc->sc_iot; 1493 bus_space_handle_t ioh = sc->sc_ioh; 1494 u_int32_t gpo, polarity_port, polarity; 1495 u_int16_t data; 1496 1497 switch (sc->type) { 1498 case ESS_ALLEGRO1: 1499 polarity_port = 0x1800; 1500 break; 1501 case ESS_MAESTRO3: 1502 polarity_port = 0x1100; 1503 break; 1504 default: 1505 printf("%s: esa_amp_enable: Unknown chip type!!!\n", 1506 sc->sc_dev.dv_xname); 1507 return (1); 1508 } 1509 1510 gpo = (polarity_port >> 8) & 0x0f; 1511 polarity = polarity_port >> 12; 1512 polarity = !polarity; /* Enable */ 1513 polarity = polarity << gpo; 1514 gpo = 1 << gpo; 1515 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~gpo); 1516 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1517 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, data | gpo); 1518 data = ESA_GPO_SECONDARY_AC97 | ESA_GPO_PRIMARY_AC97 | polarity; 1519 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, data); 1520 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1521 1522 return (0); 1523 } 1524 1525 void 1526 esa_enable_interrupts(struct esa_softc *sc) 1527 { 1528 bus_space_tag_t iot = sc->sc_iot; 1529 bus_space_handle_t ioh = sc->sc_ioh; 1530 u_int8_t data; 1531 1532 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 1533 ESA_ASSP_INT_ENABLE | ESA_HV_INT_ENABLE); 1534 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_C); 1535 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 1536 data | ESA_ASSP_HOST_INT_ENABLE); 1537 } 1538 1539 /* 1540 * List management 1541 */ 1542 int 1543 esa_add_list(struct esa_voice *vc, struct esa_list *el, 1544 u_int16_t val, int index) 1545 { 1546 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1547 1548 el->indexmap[index] = el->currlen; 1549 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1550 el->mem_addr + el->currlen, 1551 val); 1552 1553 return (el->currlen++); 1554 } 1555 1556 void 1557 esa_remove_list(struct esa_voice *vc, struct esa_list *el, int index) 1558 { 1559 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1560 u_int16_t val; 1561 int lastindex = el->currlen - 1; 1562 int vindex = el->indexmap[index]; 1563 int i; 1564 1565 /* reset our virtual index */ 1566 el->indexmap[index] = -1; 1567 1568 if (vindex != lastindex) { 1569 val = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1570 el->mem_addr + lastindex); 1571 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1572 el->mem_addr + vindex, 1573 val); 1574 for (i = 0; i < ESA_NUM_VOICES * 2; i++) 1575 if (el->indexmap[i] == lastindex) 1576 break; 1577 if (i >= ESA_NUM_VOICES * 2) 1578 printf("%s: esa_remove_list: invalid task index\n", 1579 sc->sc_dev.dv_xname); 1580 else 1581 el->indexmap[i] = vindex; 1582 } 1583 1584 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1585 el->mem_addr + lastindex, 0); 1586 el->currlen--; 1587 1588 return; 1589 } 1590 1591 int 1592 esa_power(struct esa_softc *sc, int state) 1593 { 1594 pcitag_t tag = sc->sc_tag; 1595 pci_chipset_tag_t pc = sc->sc_pct; 1596 pcireg_t data; 1597 int pmcapreg; 1598 1599 if (pci_get_capability(pc, tag, PCI_CAP_PWRMGMT, &pmcapreg, 0)) { 1600 data = pci_conf_read(pc, tag, pmcapreg + 4); 1601 if ((data & PCI_PMCSR_STATE_MASK) != state) 1602 pci_conf_write(pc, tag, pmcapreg + 4, state); 1603 } 1604 1605 return (0); 1606 } 1607 1608 void 1609 esa_powerhook(int why, void *hdl) 1610 { 1611 struct esa_softc *sc = (struct esa_softc *)hdl; 1612 1613 switch (why) { 1614 case PWR_SUSPEND: 1615 case PWR_STANDBY: 1616 esa_suspend(sc); 1617 break; 1618 case PWR_RESUME: 1619 esa_resume(sc); 1620 (sc->codec_if->vtbl->restore_ports)(sc->codec_if); 1621 break; 1622 } 1623 } 1624 1625 int 1626 esa_suspend(struct esa_softc *sc) 1627 { 1628 bus_space_tag_t iot = sc->sc_iot; 1629 bus_space_handle_t ioh = sc->sc_ioh; 1630 int i, index; 1631 1632 index = 0; 1633 1634 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 0); 1635 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 0); 1636 1637 esa_assp_halt(sc); 1638 1639 /* Save ASSP state */ 1640 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1641 i++) 1642 sc->savemem[index++] = esa_read_assp(sc, 1643 ESA_MEMTYPE_INTERNAL_CODE, i); 1644 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1645 i++) 1646 sc->savemem[index++] = esa_read_assp(sc, 1647 ESA_MEMTYPE_INTERNAL_DATA, i); 1648 1649 esa_power(sc, PCI_PMCSR_STATE_D3); 1650 1651 return (0); 1652 } 1653 1654 int 1655 esa_resume(struct esa_softc *sc) { 1656 bus_space_tag_t iot = sc->sc_iot; 1657 bus_space_handle_t ioh = sc->sc_ioh; 1658 int i, index; 1659 u_int8_t reset_state; 1660 1661 index = 0; 1662 1663 esa_power(sc, PCI_PMCSR_STATE_D0); 1664 delay(10000); 1665 1666 esa_config(sc); 1667 1668 reset_state = esa_assp_halt(sc); 1669 1670 esa_codec_reset(sc); 1671 1672 /* restore ASSP */ 1673 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1674 i++) 1675 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, i, 1676 sc->savemem[index++]); 1677 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1678 i++) 1679 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 1680 sc->savemem[index++]); 1681 1682 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_ACTIVE, 0); 1683 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1684 reset_state | ESA_REGB_ENABLE_RESET); 1685 1686 esa_enable_interrupts(sc); 1687 esa_amp_enable(sc); 1688 1689 return (0); 1690 } 1691 1692 u_int32_t 1693 esa_get_pointer(struct esa_softc *sc, struct esa_channel *ch) 1694 { 1695 u_int16_t hi = 0, lo = 0; 1696 u_int32_t addr; 1697 int data_offset = ch->data_offset; 1698 1699 hi = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1700 ESA_CDATA_HOST_SRC_CURRENTH); 1701 lo = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1702 ESA_CDATA_HOST_SRC_CURRENTL); 1703 1704 addr = lo | ((u_int32_t)hi << 16); 1705 return (addr - ch->start); 1706 } 1707 1708 paddr_t 1709 esa_mappage(void *addr, void *mem, off_t off, int prot) 1710 { 1711 struct esa_voice *vc = addr; 1712 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1713 struct esa_dma *p; 1714 1715 if (off < 0) 1716 return (-1); 1717 for (p = vc->dma; p && KERNADDR(p) != mem; p = p->next) 1718 ; 1719 if (!p) 1720 return (-1); 1721 return (bus_dmamem_mmap(sc->sc_dmat, p->segs, p->nsegs, 1722 off, prot, BUS_DMA_WAITOK)); 1723 } 1724