1 /* $NetBSD: esa.c,v 1.20 2003/02/01 06:23:39 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, struct malloc_type *, int); 117 void esa_free(void *, void *, struct malloc_type *); 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, struct malloc_type *type, 481 int flags) 482 { 483 struct esa_voice *vc = hdl; 484 struct esa_softc *sc = (struct esa_softc *)vc->parent; 485 struct esa_dma *p; 486 int error; 487 488 p = malloc(sizeof(*p), type, flags); 489 if (!p) 490 return (0); 491 error = esa_allocmem(sc, size, 16, p); 492 if (error) { 493 free(p, type); 494 printf("%s: esa_malloc: not enough memory\n", 495 sc->sc_dev.dv_xname); 496 return (0); 497 } 498 p->next = vc->dma; 499 vc->dma = p; 500 501 return (KERNADDR(p)); 502 } 503 504 void 505 esa_free(void *hdl, void *addr, struct malloc_type *type) 506 { 507 struct esa_voice *vc = hdl; 508 struct esa_softc *sc = (struct esa_softc *)vc->parent; 509 struct esa_dma *p; 510 struct esa_dma **pp; 511 512 for (pp = &vc->dma; (p = *pp) != NULL; pp = &p->next) 513 if (KERNADDR(p) == addr) { 514 esa_freemem(sc, p); 515 *pp = p->next; 516 free(p, type); 517 return; 518 } 519 } 520 521 int 522 esa_getdev(void *hdl, struct audio_device *ret) 523 { 524 525 *ret = esa_device; 526 527 return (0); 528 } 529 530 int 531 esa_set_port(void *hdl, mixer_ctrl_t *mc) 532 { 533 struct esa_voice *vc = hdl; 534 struct esa_softc *sc = (struct esa_softc *)vc->parent; 535 536 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, mc)); 537 } 538 539 int 540 esa_get_port(void *hdl, mixer_ctrl_t *mc) 541 { 542 struct esa_voice *vc = hdl; 543 struct esa_softc *sc = (struct esa_softc *)vc->parent; 544 545 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, mc)); 546 } 547 548 int 549 esa_query_devinfo(void *hdl, mixer_devinfo_t *di) 550 { 551 struct esa_voice *vc = hdl; 552 struct esa_softc *sc = (struct esa_softc *)vc->parent; 553 554 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, di)); 555 } 556 557 size_t 558 esa_round_buffersize(void *hdl, int direction, size_t bufsize) 559 { 560 struct esa_voice *vc = hdl; 561 562 /* 563 * We must be able to do better than this... 564 */ 565 vc->play.bufsize = vc->rec.bufsize = 65536; 566 567 return (vc->play.bufsize); 568 } 569 570 int 571 esa_get_props(void *hdl) 572 { 573 574 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX); 575 } 576 577 int 578 esa_trigger_output(void *hdl, void *start, void *end, int blksize, 579 void (*intr)(void *), void *intrarg, 580 struct audio_params *param) 581 { 582 struct esa_voice *vc = hdl; 583 struct esa_softc *sc = (struct esa_softc *)vc->parent; 584 struct esa_dma *p; 585 bus_space_tag_t iot = sc->sc_iot; 586 bus_space_handle_t ioh = sc->sc_ioh; 587 u_int32_t data; 588 u_int32_t bufaddr; 589 u_int32_t i; 590 size_t size; 591 592 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 593 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 594 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 595 &~ 255; 596 int dac_data = ESA_DAC_DATA + (data_bytes * vc->index); 597 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x20 * 2); 598 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x20 * 2); 599 int dsp_in_buf = dac_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 600 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 601 602 if (vc->play.active) 603 return (EINVAL); 604 605 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) 606 ; 607 if (!p) { 608 printf("%s: esa_trigger_output: bad addr %p\n", 609 sc->sc_dev.dv_xname, start); 610 return (EINVAL); 611 } 612 613 vc->play.active = 1; 614 vc->play.intr = intr; 615 vc->play.arg = intrarg; 616 vc->play.pos = 0; 617 vc->play.count = 0; 618 vc->play.buf = start; 619 size = (size_t)(((caddr_t)end - (caddr_t)start)); 620 bufaddr = DMAADDR(p); 621 vc->play.start = bufaddr; 622 623 #define LO(x) ((x) & 0x0000ffff) 624 #define HI(x) ((x) >> 16) 625 626 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 627 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 628 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 629 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 630 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 631 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 632 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 633 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 634 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 635 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 636 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 637 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 638 639 /* DSP buffers */ 640 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 641 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 642 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 643 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 644 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 645 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 646 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 647 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 648 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 649 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 650 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 651 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 652 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 653 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 654 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 655 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 656 657 /* Some per-client initializers */ 658 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 659 ESA_SRC3_DIRECTION_OFFSET + 12, dac_data + 40 + 8); 660 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 661 ESA_SRC3_DIRECTION_OFFSET + 19, 0x400 + ESA_MINISRC_COEF_LOC); 662 /* Enable or disable low-pass filter? (0xff if rate > 45000) */ 663 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 664 ESA_SRC3_DIRECTION_OFFSET + 22, 665 vc->play.mode.sample_rate > 45000 ? 0xff : 0); 666 /* Tell it which way DMA is going */ 667 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 668 ESA_CDATA_DMA_CONTROL, 669 ESA_DMACONTROL_AUTOREPEAT + ESA_DMAC_PAGE3_SELECTOR + 670 ESA_DMAC_BLOCKF_SELECTOR); 671 672 /* Set an armload of static initializers */ 673 for (i = 0; i < (sizeof(esa_playvals) / sizeof(esa_playvals[0])); i++) 674 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 675 esa_playvals[i].addr, esa_playvals[i].val); 676 677 /* Put us in the packed task lists */ 678 esa_add_list(vc, &sc->msrc_list, dac_data >> ESA_DP_SHIFT_COUNT, 679 vc->index); 680 esa_add_list(vc, &sc->dma_list, dac_data >> ESA_DP_SHIFT_COUNT, 681 vc->index); 682 esa_add_list(vc, &sc->mixer_list, dac_data >> ESA_DP_SHIFT_COUNT, 683 vc->index); 684 #undef LO 685 #undef HI 686 687 /* XXX */ 688 //esa_commit_settings(vc); 689 690 sc->sc_ntimers++; 691 692 if (sc->sc_ntimers == 1) { 693 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 694 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 695 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 696 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 697 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 698 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 699 data | ESA_CLKRUN_GEN_ENABLE); 700 } 701 702 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 703 ESA_CDATA_INSTANCE_READY, 1); 704 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 705 ESA_KDATA_MIXER_TASK_NUMBER, 706 sc->mixer_list.indexmap[vc->index]); 707 708 return (0); 709 } 710 711 int 712 esa_trigger_input(void *hdl, void *start, void *end, int blksize, 713 void (*intr)(void *), void *intrarg, 714 struct audio_params *param) 715 { 716 struct esa_voice *vc = hdl; 717 struct esa_softc *sc = (struct esa_softc *)vc->parent; 718 struct esa_dma *p; 719 bus_space_tag_t iot = sc->sc_iot; 720 bus_space_handle_t ioh = sc->sc_ioh; 721 u_int32_t data; 722 u_int32_t bufaddr; 723 u_int32_t i; 724 size_t size; 725 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 726 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 727 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 728 &~ 255; 729 int adc_data = ESA_DAC_DATA + (data_bytes * vc->index) + 730 (data_bytes / 2); 731 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x10 * 2); 732 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x10 * 2); 733 int dsp_in_buf = adc_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 734 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 735 vc->rec.data_offset = adc_data; 736 737 /* We only support 1 recording channel */ 738 if (vc->index > 0) 739 return (ENODEV); 740 741 if (vc->rec.active) 742 return (EINVAL); 743 744 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) 745 ; 746 if (!p) { 747 printf("%s: esa_trigger_input: bad addr %p\n", 748 sc->sc_dev.dv_xname, start); 749 return (EINVAL); 750 } 751 752 vc->rec.active = 1; 753 vc->rec.intr = intr; 754 vc->rec.arg = intrarg; 755 vc->rec.pos = 0; 756 vc->rec.count = 0; 757 vc->rec.buf = start; 758 size = (size_t)(((caddr_t)end - (caddr_t)start)); 759 bufaddr = DMAADDR(p); 760 vc->rec.start = bufaddr; 761 762 #define LO(x) ((x) & 0x0000ffff) 763 #define HI(x) ((x) >> 16) 764 765 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 766 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 767 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 768 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 769 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 770 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 771 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 772 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 773 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 774 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 775 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 776 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 777 778 /* DSP buffers */ 779 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 780 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 781 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 782 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 783 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 784 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 785 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 786 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 787 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 788 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 789 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 790 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 791 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 792 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 793 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 794 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 795 796 /* Some per-client initializers */ 797 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 798 ESA_SRC3_DIRECTION_OFFSET + 12, adc_data + 40 + 8); 799 /* Tell it which way DMA is going */ 800 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 801 ESA_CDATA_DMA_CONTROL, 802 ESA_DMACONTROL_DIRECTION + ESA_DMACONTROL_AUTOREPEAT + 803 ESA_DMAC_PAGE3_SELECTOR + ESA_DMAC_BLOCKF_SELECTOR); 804 805 /* Set an armload of static initializers */ 806 for (i = 0; i < (sizeof(esa_recvals) / sizeof(esa_recvals[0])); i++) 807 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 808 esa_recvals[i].addr, esa_recvals[i].val); 809 810 /* Put us in the packed task lists */ 811 esa_add_list(vc, &sc->adc1_list, adc_data >> ESA_DP_SHIFT_COUNT, 812 vc->index + ESA_NUM_VOICES); 813 esa_add_list(vc, &sc->msrc_list, adc_data >> ESA_DP_SHIFT_COUNT, 814 vc->index + ESA_NUM_VOICES); 815 esa_add_list(vc, &sc->dma_list, adc_data >> ESA_DP_SHIFT_COUNT, 816 vc->index + ESA_NUM_VOICES); 817 #undef LO 818 #undef HI 819 820 /* XXX */ 821 //esa_commit_settings(vc); 822 823 sc->sc_ntimers++; 824 if (sc->sc_ntimers == 1) { 825 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 826 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 827 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 828 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 829 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 830 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 831 data | ESA_CLKRUN_GEN_ENABLE); 832 } 833 834 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 835 ESA_CDATA_INSTANCE_READY, 1); 836 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 837 1); 838 839 return (0); 840 } 841 842 /* Interrupt handler */ 843 844 int 845 esa_intr(void *hdl) 846 { 847 struct esa_softc *sc = hdl; 848 struct esa_voice *vc; 849 bus_space_tag_t iot = sc->sc_iot; 850 bus_space_handle_t ioh = sc->sc_ioh; 851 u_int8_t status, ctl; 852 u_int32_t pos; 853 u_int32_t diff; 854 u_int32_t play_blksize, play_bufsize; 855 u_int32_t rec_blksize, rec_bufsize; 856 int i; 857 858 status = bus_space_read_1(iot, ioh, ESA_HOST_INT_STATUS); 859 if (status == 0xff) 860 return (0); 861 862 /* ack the interrupt */ 863 bus_space_write_1(iot, ioh, ESA_HOST_INT_STATUS, status); 864 865 if (status & ESA_HV_INT_PENDING) { 866 u_int8_t event; 867 868 printf("%s: hardware volume interrupt\n", sc->sc_dev.dv_xname); 869 event = bus_space_read_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER); 870 switch(event) { 871 case 0x99: 872 case 0xaa: 873 case 0x66: 874 case 0x88: 875 printf("%s: esa_intr: FIXME\n", sc->sc_dev.dv_xname); 876 break; 877 default: 878 printf("%s: unknown hwvol event 0x%02x\n", 879 sc->sc_dev.dv_xname, event); 880 break; 881 } 882 bus_space_write_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER, 0x88); 883 } 884 885 if (status & ESA_ASSP_INT_PENDING) { 886 ctl = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_B); 887 if (!(ctl & ESA_STOP_ASSP_CLOCK)) { 888 ctl = bus_space_read_1(iot, ioh, 889 ESA_ASSP_HOST_INT_STATUS); 890 if (ctl & ESA_DSP2HOST_REQ_TIMER) { 891 bus_space_write_1(iot, ioh, 892 ESA_ASSP_HOST_INT_STATUS, 893 ESA_DSP2HOST_REQ_TIMER); 894 for (i = 0; i < ESA_NUM_VOICES; i++) { 895 vc = &sc->voice[i]; 896 if (vc->play.active) { 897 play_blksize = vc->play.blksize; 898 play_bufsize = vc->play.bufsize; 899 pos = esa_get_pointer(sc, &vc->play) 900 % play_bufsize; 901 diff = (play_bufsize + pos - vc->play.pos) 902 % play_bufsize; 903 vc->play.pos = pos; 904 vc->play.count += diff; 905 while(vc->play.count >= play_blksize) { 906 vc->play.count -= play_blksize; 907 (*vc->play.intr)(vc->play.arg); 908 } 909 } 910 if (vc->rec.active) { 911 rec_blksize = vc->rec.blksize; 912 rec_bufsize = vc->rec.bufsize; 913 pos = esa_get_pointer(sc, &vc->rec) 914 % rec_bufsize; 915 diff = (rec_bufsize + pos - vc->rec.pos) 916 % rec_bufsize; 917 vc->rec.pos = pos; 918 vc->rec.count += diff; 919 while(vc->rec.count >= rec_blksize) { 920 vc->rec.count -= rec_blksize; 921 (*vc->rec.intr)(vc->rec.arg); 922 } 923 } 924 } 925 } 926 } 927 } 928 929 return (1); 930 } 931 932 int 933 esa_allocmem(struct esa_softc *sc, size_t size, size_t align, 934 struct esa_dma *p) 935 { 936 int error; 937 938 p->size = size; 939 error = bus_dmamem_alloc(sc->sc_dmat, p->size, align, 0, 940 p->segs, sizeof(p->segs) / sizeof(p->segs[0]), 941 &p->nsegs, BUS_DMA_NOWAIT); 942 if (error) 943 return (error); 944 945 error = bus_dmamem_map(sc->sc_dmat, p->segs, p->nsegs, p->size, 946 &p->addr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT); 947 if (error) 948 goto free; 949 950 error = bus_dmamap_create(sc->sc_dmat, p->size, 1, p->size, 0, 951 BUS_DMA_NOWAIT, &p->map); 952 if (error) 953 goto unmap; 954 955 error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, p->size, NULL, 956 BUS_DMA_NOWAIT); 957 if (error) 958 goto destroy; 959 960 return (0); 961 962 destroy: 963 bus_dmamap_destroy(sc->sc_dmat, p->map); 964 unmap: 965 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 966 free: 967 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 968 969 return (error); 970 } 971 972 int 973 esa_freemem(struct esa_softc *sc, struct esa_dma *p) 974 { 975 976 bus_dmamap_unload(sc->sc_dmat, p->map); 977 bus_dmamap_destroy(sc->sc_dmat, p->map); 978 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 979 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 980 981 return (0); 982 } 983 984 /* 985 * Supporting Subroutines 986 */ 987 988 int 989 esa_match(struct device *dev, struct cfdata *match, void *aux) 990 { 991 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 992 993 switch(PCI_VENDOR(pa->pa_id)) { 994 case PCI_VENDOR_ESSTECH: 995 switch(PCI_PRODUCT(pa->pa_id)) { 996 case PCI_PRODUCT_ESSTECH_ALLEGRO1: 997 case PCI_PRODUCT_ESSTECH_MAESTRO3: 998 case PCI_PRODUCT_ESSTECH_MAESTRO3_2: 999 return (1); 1000 } 1001 } 1002 1003 return (0); 1004 } 1005 1006 void 1007 esa_attach(struct device *parent, struct device *self, void *aux) 1008 { 1009 struct esa_softc *sc = (struct esa_softc *)self; 1010 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 1011 pcitag_t tag = pa->pa_tag; 1012 pci_chipset_tag_t pc = pa->pa_pc; 1013 pci_intr_handle_t ih; 1014 struct esa_card_type *card; 1015 const char *intrstr; 1016 u_int32_t data; 1017 char devinfo[256]; 1018 int revision, len; 1019 int i; 1020 1021 aprint_naive(": Audio controller\n"); 1022 1023 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); 1024 revision = PCI_REVISION(pa->pa_class); 1025 aprint_normal(": %s (rev. 0x%02x)\n", devinfo, revision); 1026 1027 for (card = esa_card_types; card->pci_vendor_id; card++) 1028 if (PCI_VENDOR(pa->pa_id) == card->pci_vendor_id && 1029 PCI_PRODUCT(pa->pa_id) == card->pci_product_id) { 1030 sc->type = card->type; 1031 sc->delay1 = card->delay1; 1032 sc->delay2 = card->delay2; 1033 break; 1034 } 1035 1036 data = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG); 1037 data |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE 1038 | PCI_COMMAND_MASTER_ENABLE); 1039 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, data); 1040 1041 /* Map I/O register */ 1042 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 1043 &sc->sc_iot, &sc->sc_ioh, &sc->sc_iob, &sc->sc_ios)) { 1044 aprint_error("%s: can't map i/o space\n", sc->sc_dev.dv_xname); 1045 return; 1046 } 1047 1048 /* Initialize softc */ 1049 sc->sc_tag = tag; 1050 sc->sc_pct = pc; 1051 sc->sc_dmat = pa->pa_dmat; 1052 1053 /* Map and establish an interrupt */ 1054 if (pci_intr_map(pa, &ih)) { 1055 aprint_error("%s: can't map interrupt\n", sc->sc_dev.dv_xname); 1056 return; 1057 } 1058 intrstr = pci_intr_string(pc, ih); 1059 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, esa_intr, self); 1060 if (sc->sc_ih == NULL) { 1061 aprint_error("%s: can't establish interrupt", 1062 sc->sc_dev.dv_xname); 1063 if (intrstr != NULL) 1064 aprint_normal(" at %s", intrstr); 1065 aprint_normal("\n"); 1066 return; 1067 } 1068 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 1069 1070 /* Power up chip */ 1071 esa_power(sc, PCI_PMCSR_STATE_D0); 1072 1073 /* Init chip */ 1074 if (esa_init(sc) == -1) { 1075 aprint_error("%s: esa_attach: unable to initialize the card\n", 1076 sc->sc_dev.dv_xname); 1077 return; 1078 } 1079 1080 /* create suspend save area */ 1081 len = sizeof(u_int16_t) * (ESA_REV_B_CODE_MEMORY_LENGTH 1082 + ESA_REV_B_DATA_MEMORY_LENGTH + 1); 1083 sc->savemem = (u_int16_t *)malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO); 1084 if (sc->savemem == NULL) { 1085 aprint_error("%s: unable to allocate suspend buffer\n", 1086 sc->sc_dev.dv_xname); 1087 return; 1088 } 1089 1090 /* 1091 * Every card I've seen has had their channels swapped with respect 1092 * to the mixer. Ie: 1093 * $ mixerctl -w outputs.master=0,191 1094 * Would result in the _right_ speaker being turned off. 1095 * 1096 * So, we will swap the left and right mixer channels to compensate 1097 * for this. 1098 */ 1099 sc->codec_flags = AC97_HOST_SWAPPED_CHANNELS; 1100 1101 /* Attach AC97 host interface */ 1102 sc->host_if.arg = self; 1103 sc->host_if.attach = esa_attach_codec; 1104 sc->host_if.read = esa_read_codec; 1105 sc->host_if.write = esa_write_codec; 1106 sc->host_if.reset = esa_reset_codec; 1107 sc->host_if.flags = esa_flags_codec; 1108 1109 if (ac97_attach(&sc->host_if) != 0) 1110 return; 1111 1112 /* initialize list management structures */ 1113 sc->mixer_list.mem_addr = ESA_KDATA_MIXER_XFER0; 1114 sc->mixer_list.max = ESA_MAX_VIRTUAL_MIXER_CHANNELS; 1115 sc->adc1_list.mem_addr = ESA_KDATA_ADC1_XFER0; 1116 sc->adc1_list.max = ESA_MAX_VIRTUAL_ADC1_CHANNELS; 1117 sc->dma_list.mem_addr = ESA_KDATA_DMA_XFER0; 1118 sc->dma_list.max = ESA_MAX_VIRTUAL_DMA_CHANNELS; 1119 sc->msrc_list.mem_addr = ESA_KDATA_INSTANCE0_MINISRC; 1120 sc->msrc_list.max = ESA_MAX_INSTANCE_MINISRC; 1121 1122 /* initialize index maps */ 1123 for (i = 0; i < ESA_NUM_VOICES * 2; i++) { 1124 sc->mixer_list.indexmap[i] = -1; 1125 sc->msrc_list.indexmap[i] = -1; 1126 sc->dma_list.indexmap[i] = -1; 1127 sc->adc1_list.indexmap[i] = -1; 1128 } 1129 for (i = 0; i < ESA_NUM_VOICES; i++) { 1130 sc->voice[i].parent = (struct device *)sc; 1131 sc->voice[i].index = i; 1132 sc->sc_audiodev[i] = 1133 audio_attach_mi(&esa_hw_if, &sc->voice[i], &sc->sc_dev); 1134 } 1135 1136 sc->powerhook = powerhook_establish(esa_powerhook, sc); 1137 if (sc->powerhook == NULL) 1138 aprint_error("%s: WARNING: unable to establish powerhook\n", 1139 sc->sc_dev.dv_xname); 1140 1141 return; 1142 } 1143 1144 int 1145 esa_detach(struct device *self, int flags) 1146 { 1147 struct esa_softc *sc = (struct esa_softc *)self; 1148 int i; 1149 1150 for (i = 0; i < ESA_NUM_VOICES; i++) { 1151 if (sc->sc_audiodev[i] != NULL) 1152 config_detach(sc->sc_audiodev[i], flags); 1153 } 1154 1155 if (sc->sc_ih != NULL) 1156 pci_intr_disestablish(sc->sc_pct, sc->sc_ih); 1157 if (sc->sc_ios) 1158 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1159 1160 free(sc->savemem, M_DEVBUF); 1161 1162 return (0); 1163 } 1164 1165 u_int16_t 1166 esa_read_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index) 1167 { 1168 u_int16_t data; 1169 bus_space_tag_t iot = sc->sc_iot; 1170 bus_space_handle_t ioh = sc->sc_ioh; 1171 1172 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1173 region & ESA_MEMTYPE_MASK); 1174 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1175 data = bus_space_read_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA); 1176 1177 return (data); 1178 } 1179 1180 void 1181 esa_write_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index, 1182 u_int16_t data) 1183 { 1184 bus_space_tag_t iot = sc->sc_iot; 1185 bus_space_handle_t ioh = sc->sc_ioh; 1186 1187 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1188 region & ESA_MEMTYPE_MASK); 1189 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1190 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA, data); 1191 1192 return; 1193 } 1194 1195 int 1196 esa_init_codec(struct esa_softc *sc) 1197 { 1198 bus_space_tag_t iot = sc->sc_iot; 1199 bus_space_handle_t ioh = sc->sc_ioh; 1200 u_int32_t data; 1201 1202 data = bus_space_read_1(iot, ioh, ESA_CODEC_COMMAND); 1203 1204 return ((data & 0x1) ? 0 : 1); 1205 } 1206 1207 int 1208 esa_attach_codec(void *aux, struct ac97_codec_if *codec_if) 1209 { 1210 struct esa_softc *sc = aux; 1211 1212 sc->codec_if = codec_if; 1213 1214 return (0); 1215 } 1216 1217 int 1218 esa_read_codec(void *aux, u_int8_t reg, u_int16_t *result) 1219 { 1220 struct esa_softc *sc = aux; 1221 bus_space_tag_t iot = sc->sc_iot; 1222 bus_space_handle_t ioh = sc->sc_ioh; 1223 1224 if (esa_wait(sc)) 1225 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1226 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, (reg & 0x7f) | 0x80); 1227 delay(50); 1228 if (esa_wait(sc)) 1229 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1230 *result = bus_space_read_2(iot, ioh, ESA_CODEC_DATA); 1231 1232 return (0); 1233 } 1234 1235 int 1236 esa_write_codec(void *aux, u_int8_t reg, u_int16_t data) 1237 { 1238 struct esa_softc *sc = aux; 1239 bus_space_tag_t iot = sc->sc_iot; 1240 bus_space_handle_t ioh = sc->sc_ioh; 1241 1242 if (esa_wait(sc)) { 1243 printf("%s: esa_write_codec: timed out\n", sc->sc_dev.dv_xname); 1244 return (-1); 1245 } 1246 bus_space_write_2(iot, ioh, ESA_CODEC_DATA, data); 1247 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, reg & 0x7f); 1248 delay(50); 1249 1250 return (0); 1251 } 1252 1253 void 1254 esa_reset_codec(void *aux) 1255 { 1256 1257 return; 1258 } 1259 1260 enum ac97_host_flags 1261 esa_flags_codec(void *aux) 1262 { 1263 struct esa_softc *sc = aux; 1264 1265 return (sc->codec_flags); 1266 } 1267 1268 int 1269 esa_wait(struct esa_softc *sc) 1270 { 1271 int i, val; 1272 bus_space_tag_t iot = sc->sc_iot; 1273 bus_space_handle_t ioh = sc->sc_ioh; 1274 1275 for (i = 0; i < 20; i++) { 1276 val = bus_space_read_1(iot, ioh, ESA_CODEC_STATUS); 1277 if ((val & 1) == 0) 1278 return (0); 1279 delay(2); 1280 } 1281 1282 return (-1); 1283 } 1284 1285 int 1286 esa_init(struct esa_softc *sc) 1287 { 1288 struct esa_voice *vc; 1289 bus_space_tag_t iot = sc->sc_iot; 1290 bus_space_handle_t ioh = sc->sc_ioh; 1291 pcitag_t tag = sc->sc_tag; 1292 pci_chipset_tag_t pc = sc->sc_pct; 1293 u_int32_t data, i, size; 1294 u_int8_t reset_state; 1295 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 1296 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 1297 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 1298 &~ 255; 1299 1300 /* Disable legacy emulation */ 1301 data = pci_conf_read(pc, tag, PCI_LEGACY_AUDIO_CTRL); 1302 data |= DISABLE_LEGACY; 1303 pci_conf_write(pc, tag, PCI_LEGACY_AUDIO_CTRL, data); 1304 1305 esa_config(sc); 1306 1307 reset_state = esa_assp_halt(sc); 1308 1309 esa_init_codec(sc); 1310 esa_codec_reset(sc); 1311 1312 /* Zero kernel and mixer data */ 1313 size = ESA_REV_B_DATA_MEMORY_UNIT_LENGTH * ESA_NUM_UNITS_KERNEL_DATA; 1314 for (i = 0; i < size / 2; i++) { 1315 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1316 ESA_KDATA_BASE_ADDR + i, 0); 1317 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1318 ESA_KDATA_BASE_ADDR2 + i, 0); 1319 } 1320 1321 /* Init DMA pointer */ 1322 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_CURRENT_DMA, 1323 ESA_KDATA_DMA_XFER0); 1324 1325 /* Write kernel code into memory */ 1326 size = sizeof(esa_assp_kernel_image); 1327 for (i = 0; i < size / 2; i++) 1328 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1329 ESA_REV_B_CODE_MEMORY_BEGIN + i, esa_assp_kernel_image[i]); 1330 1331 size = sizeof(esa_assp_minisrc_image); 1332 for (i = 0; i < size / 2; i++) 1333 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 0x400 + i, 1334 esa_assp_minisrc_image[i]); 1335 1336 /* Write the coefficients for the low pass filter */ 1337 size = sizeof(esa_minisrc_lpf_image); 1338 for (i = 0; i < size / 2; i++) 1339 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1340 0x400 + ESA_MINISRC_COEF_LOC + i, esa_minisrc_lpf_image[i]); 1341 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1342 0x400 + ESA_MINISRC_COEF_LOC + size, 0x8000); 1343 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TASK0, 0x400); 1344 /* Init the mixer number */ 1345 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1346 ESA_KDATA_MIXER_TASK_NUMBER, 0); 1347 /* Extreme kernel master volume */ 1348 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1349 ESA_KDATA_DAC_LEFT_VOLUME, ESA_ARB_VOLUME); 1350 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1351 ESA_KDATA_DAC_RIGHT_VOLUME, ESA_ARB_VOLUME); 1352 1353 if (esa_amp_enable(sc)) 1354 return (-1); 1355 1356 /* Zero entire DAC/ADC area */ 1357 for (i = 0x1100; i < 0x1c00; i++) 1358 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 0); 1359 1360 /* set some sane defaults */ 1361 for (i = 0; i < ESA_NUM_VOICES; i++) { 1362 vc = &sc->voice[i]; 1363 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * i); 1364 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * i * 2); 1365 } 1366 1367 esa_enable_interrupts(sc); 1368 1369 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1370 reset_state | ESA_REGB_ENABLE_RESET); 1371 1372 return (0); 1373 } 1374 1375 void 1376 esa_config(struct esa_softc *sc) 1377 { 1378 bus_space_tag_t iot = sc->sc_iot; 1379 bus_space_handle_t ioh = sc->sc_ioh; 1380 pcitag_t tag = sc->sc_tag; 1381 pci_chipset_tag_t pc = sc->sc_pct; 1382 u_int32_t data; 1383 1384 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1385 data &= ESA_REDUCED_DEBOUNCE; 1386 data |= ESA_PM_CTRL_ENABLE | ESA_CLK_DIV_BY_49 | ESA_USE_PCI_TIMING; 1387 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1388 1389 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RESET_ASSP); 1390 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1391 data &= ~ESA_INT_CLK_SELECT; 1392 if (sc->type == ESS_MAESTRO3) { 1393 data &= ~ESA_INT_CLK_MULT_ENABLE; 1394 data |= ESA_INT_CLK_SRC_NOT_PCI; 1395 } 1396 data &= ~(ESA_CLK_MULT_MODE_SELECT | ESA_CLK_MULT_MODE_SELECT_2); 1397 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1398 1399 if (sc->type == ESS_ALLEGRO1) { 1400 data = pci_conf_read(pc, tag, ESA_PCI_USER_CONFIG); 1401 data |= ESA_IN_CLK_12MHZ_SELECT; 1402 pci_conf_write(pc, tag, ESA_PCI_USER_CONFIG, data); 1403 } 1404 1405 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_A); 1406 data &= ~(ESA_DSP_CLK_36MHZ_SELECT | ESA_ASSP_CLK_49MHZ_SELECT); 1407 data |= ESA_ASSP_CLK_49MHZ_SELECT; /* XXX: Assumes 49MHz DSP */ 1408 data |= ESA_ASSP_0_WS_ENABLE; 1409 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_A, data); 1410 1411 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RUN_ASSP); 1412 1413 return; 1414 } 1415 1416 u_int8_t 1417 esa_assp_halt(struct esa_softc *sc) 1418 { 1419 bus_space_tag_t iot = sc->sc_iot; 1420 bus_space_handle_t ioh = sc->sc_ioh; 1421 u_int8_t data, reset_state; 1422 1423 data = bus_space_read_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B); 1424 reset_state = data & ~ESA_REGB_STOP_CLOCK; 1425 delay(10000); /* XXX use tsleep */ 1426 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1427 reset_state & ~ESA_REGB_ENABLE_RESET); 1428 delay(10000); /* XXX use tsleep */ 1429 1430 return (reset_state); 1431 } 1432 1433 void 1434 esa_codec_reset(struct esa_softc *sc) 1435 { 1436 bus_space_tag_t iot = sc->sc_iot; 1437 bus_space_handle_t ioh = sc->sc_ioh; 1438 u_int16_t data, dir; 1439 int retry = 0; 1440 1441 do { 1442 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1443 dir = data | 0x10; /* assuming pci bus master? */ 1444 1445 /* remote codec config */ 1446 data = bus_space_read_2(iot, ioh, ESA_RING_BUS_CTRL_B); 1447 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_B, 1448 data & ~ESA_SECOND_CODEC_ID_MASK); 1449 data = bus_space_read_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL); 1450 bus_space_write_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL, 1451 data & ~ESA_COMMAND_ADDR_OUT); 1452 data = bus_space_read_2(iot, ioh, ESA_SDO_IN_DEST_CTRL); 1453 bus_space_write_2(iot, ioh, ESA_SDO_IN_DEST_CTRL, 1454 data & ~ESA_STATUS_ADDR_IN); 1455 1456 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1457 ESA_IO_SRAM_ENABLE); 1458 delay(20); 1459 1460 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1461 dir & ~ESA_GPO_PRIMARY_AC97); 1462 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, 1463 ~ESA_GPO_PRIMARY_AC97); 1464 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 0); 1465 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1466 dir | ESA_GPO_PRIMARY_AC97); 1467 delay(sc->delay1 * 1000); 1468 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 1469 ESA_GPO_PRIMARY_AC97); 1470 delay(5); 1471 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1472 ESA_IO_SRAM_ENABLE | ESA_SERIAL_AC_LINK_ENABLE); 1473 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1474 delay(sc->delay2 * 1000); 1475 1476 esa_read_codec(sc, 0x7c, &data); 1477 if ((data == 0) || (data == 0xffff)) { 1478 retry++; 1479 if (retry > 3) { 1480 printf("%s: esa_codec_reset: failed\n", 1481 sc->sc_dev.dv_xname); 1482 break; 1483 } 1484 printf("%s: esa_codec_reset: retrying\n", 1485 sc->sc_dev.dv_xname); 1486 } else 1487 retry = 0; 1488 } while (retry); 1489 1490 return; 1491 } 1492 1493 int 1494 esa_amp_enable(struct esa_softc *sc) 1495 { 1496 bus_space_tag_t iot = sc->sc_iot; 1497 bus_space_handle_t ioh = sc->sc_ioh; 1498 u_int32_t gpo, polarity_port, polarity; 1499 u_int16_t data; 1500 1501 switch (sc->type) { 1502 case ESS_ALLEGRO1: 1503 polarity_port = 0x1800; 1504 break; 1505 case ESS_MAESTRO3: 1506 polarity_port = 0x1100; 1507 break; 1508 default: 1509 printf("%s: esa_amp_enable: Unknown chip type!!!\n", 1510 sc->sc_dev.dv_xname); 1511 return (1); 1512 } 1513 1514 gpo = (polarity_port >> 8) & 0x0f; 1515 polarity = polarity_port >> 12; 1516 polarity = !polarity; /* Enable */ 1517 polarity = polarity << gpo; 1518 gpo = 1 << gpo; 1519 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~gpo); 1520 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1521 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, data | gpo); 1522 data = ESA_GPO_SECONDARY_AC97 | ESA_GPO_PRIMARY_AC97 | polarity; 1523 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, data); 1524 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1525 1526 return (0); 1527 } 1528 1529 void 1530 esa_enable_interrupts(struct esa_softc *sc) 1531 { 1532 bus_space_tag_t iot = sc->sc_iot; 1533 bus_space_handle_t ioh = sc->sc_ioh; 1534 u_int8_t data; 1535 1536 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 1537 ESA_ASSP_INT_ENABLE | ESA_HV_INT_ENABLE); 1538 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_C); 1539 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 1540 data | ESA_ASSP_HOST_INT_ENABLE); 1541 } 1542 1543 /* 1544 * List management 1545 */ 1546 int 1547 esa_add_list(struct esa_voice *vc, struct esa_list *el, 1548 u_int16_t val, int index) 1549 { 1550 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1551 1552 el->indexmap[index] = el->currlen; 1553 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1554 el->mem_addr + el->currlen, 1555 val); 1556 1557 return (el->currlen++); 1558 } 1559 1560 void 1561 esa_remove_list(struct esa_voice *vc, struct esa_list *el, int index) 1562 { 1563 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1564 u_int16_t val; 1565 int lastindex = el->currlen - 1; 1566 int vindex = el->indexmap[index]; 1567 int i; 1568 1569 /* reset our virtual index */ 1570 el->indexmap[index] = -1; 1571 1572 if (vindex != lastindex) { 1573 val = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1574 el->mem_addr + lastindex); 1575 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1576 el->mem_addr + vindex, 1577 val); 1578 for (i = 0; i < ESA_NUM_VOICES * 2; i++) 1579 if (el->indexmap[i] == lastindex) 1580 break; 1581 if (i >= ESA_NUM_VOICES * 2) 1582 printf("%s: esa_remove_list: invalid task index\n", 1583 sc->sc_dev.dv_xname); 1584 else 1585 el->indexmap[i] = vindex; 1586 } 1587 1588 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1589 el->mem_addr + lastindex, 0); 1590 el->currlen--; 1591 1592 return; 1593 } 1594 1595 int 1596 esa_power(struct esa_softc *sc, int state) 1597 { 1598 pcitag_t tag = sc->sc_tag; 1599 pci_chipset_tag_t pc = sc->sc_pct; 1600 pcireg_t data; 1601 int pmcapreg; 1602 1603 if (pci_get_capability(pc, tag, PCI_CAP_PWRMGMT, &pmcapreg, 0)) { 1604 data = pci_conf_read(pc, tag, pmcapreg + PCI_PMCSR); 1605 if ((data & PCI_PMCSR_STATE_MASK) != state) 1606 pci_conf_write(pc, tag, pmcapreg + PCI_PMCSR, state); 1607 } 1608 1609 return (0); 1610 } 1611 1612 void 1613 esa_powerhook(int why, void *hdl) 1614 { 1615 struct esa_softc *sc = (struct esa_softc *)hdl; 1616 1617 switch (why) { 1618 case PWR_SUSPEND: 1619 case PWR_STANDBY: 1620 esa_suspend(sc); 1621 break; 1622 case PWR_RESUME: 1623 esa_resume(sc); 1624 (sc->codec_if->vtbl->restore_ports)(sc->codec_if); 1625 break; 1626 } 1627 } 1628 1629 int 1630 esa_suspend(struct esa_softc *sc) 1631 { 1632 bus_space_tag_t iot = sc->sc_iot; 1633 bus_space_handle_t ioh = sc->sc_ioh; 1634 int i, index; 1635 1636 index = 0; 1637 1638 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 0); 1639 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 0); 1640 1641 esa_assp_halt(sc); 1642 1643 /* Save ASSP state */ 1644 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1645 i++) 1646 sc->savemem[index++] = esa_read_assp(sc, 1647 ESA_MEMTYPE_INTERNAL_CODE, i); 1648 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1649 i++) 1650 sc->savemem[index++] = esa_read_assp(sc, 1651 ESA_MEMTYPE_INTERNAL_DATA, i); 1652 1653 esa_power(sc, PCI_PMCSR_STATE_D3); 1654 1655 return (0); 1656 } 1657 1658 int 1659 esa_resume(struct esa_softc *sc) { 1660 bus_space_tag_t iot = sc->sc_iot; 1661 bus_space_handle_t ioh = sc->sc_ioh; 1662 int i, index; 1663 u_int8_t reset_state; 1664 1665 index = 0; 1666 1667 esa_power(sc, PCI_PMCSR_STATE_D0); 1668 delay(10000); 1669 1670 esa_config(sc); 1671 1672 reset_state = esa_assp_halt(sc); 1673 1674 esa_codec_reset(sc); 1675 1676 /* restore ASSP */ 1677 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1678 i++) 1679 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, i, 1680 sc->savemem[index++]); 1681 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1682 i++) 1683 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 1684 sc->savemem[index++]); 1685 1686 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_ACTIVE, 0); 1687 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1688 reset_state | ESA_REGB_ENABLE_RESET); 1689 1690 esa_enable_interrupts(sc); 1691 esa_amp_enable(sc); 1692 1693 return (0); 1694 } 1695 1696 u_int32_t 1697 esa_get_pointer(struct esa_softc *sc, struct esa_channel *ch) 1698 { 1699 u_int16_t hi = 0, lo = 0; 1700 u_int32_t addr; 1701 int data_offset = ch->data_offset; 1702 1703 hi = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1704 ESA_CDATA_HOST_SRC_CURRENTH); 1705 lo = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1706 ESA_CDATA_HOST_SRC_CURRENTL); 1707 1708 addr = lo | ((u_int32_t)hi << 16); 1709 return (addr - ch->start); 1710 } 1711 1712 paddr_t 1713 esa_mappage(void *addr, void *mem, off_t off, int prot) 1714 { 1715 struct esa_voice *vc = addr; 1716 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1717 struct esa_dma *p; 1718 1719 if (off < 0) 1720 return (-1); 1721 for (p = vc->dma; p && KERNADDR(p) != mem; p = p->next) 1722 ; 1723 if (!p) 1724 return (-1); 1725 return (bus_dmamem_mmap(sc->sc_dmat, p->segs, p->nsegs, 1726 off, prot, BUS_DMA_WAITOK)); 1727 } 1728