1 /* $OpenBSD: esa.c,v 1.28 2014/07/12 18:48:51 tedu Exp $ */ 2 /* $NetBSD: esa.c,v 1.12 2002/03/24 14:17:35 jmcneill Exp $ */ 3 4 /* 5 * Copyright (c) 2001, 2002 Jared D. McNeill <jmcneill@invisible.ca> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 /* 30 * Shamelessly stolen from NetBSD who based it on FreeBSD's who in turn 31 * based it on Linux's driver. What a wonderful world. 32 * 33 * 34 * ESS Allegro-1 / Maestro3 Audio Driver 35 * 36 * Based on the FreeBSD maestro3 driver and the NetBSD eap driver. 37 * Original driver by Don Kim. 38 * 39 * The list management code could possibly be written better, but what 40 * we have right now does the job nicely. Thanks to Zach Brown <zab@zabbo.net> 41 * and Andrew MacDonald <amac@epsilon.yi.org> for helping me debug the 42 * problems with the original list management code present in the Linux 43 * driver. 44 */ 45 46 #include <sys/types.h> 47 #include <sys/errno.h> 48 #include <sys/param.h> 49 #include <sys/systm.h> 50 #include <sys/malloc.h> 51 #include <sys/device.h> 52 #include <sys/conf.h> 53 #include <sys/exec.h> 54 #include <sys/selinfo.h> 55 #include <sys/audioio.h> 56 57 #include <machine/bus.h> 58 #include <machine/intr.h> 59 60 #include <dev/pci/pcidevs.h> 61 #include <dev/pci/pcivar.h> 62 63 #include <dev/audio_if.h> 64 #include <dev/mulaw.h> 65 #include <dev/auconv.h> 66 #include <dev/ic/ac97.h> 67 68 #include <dev/pci/esareg.h> 69 #include <dev/pci/esavar.h> 70 #include <dev/microcode/esa/esadsp.h> 71 72 #define PCI_CBIO 0x10 73 74 #define ESA_DAC_DATA 0x1100 75 76 enum { 77 ESS_ALLEGRO1, 78 ESS_MAESTRO3 79 }; 80 81 static struct esa_card_type { 82 u_int16_t pci_vendor_id; 83 u_int16_t pci_product_id; 84 int type; 85 int delay1, delay2; 86 } esa_card_types[] = { 87 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_ES1989, 88 ESS_ALLEGRO1, 50, 800 }, 89 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3, 90 ESS_MAESTRO3, 20, 500 }, 91 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3_2, 92 ESS_MAESTRO3, 20, 500 }, 93 { 0, 0, 0, 0, 0 } 94 }; 95 96 struct audio_device esa_device = { 97 "ESS Allegro", 98 "", 99 "esa" 100 }; 101 102 int esa_match(struct device *, void *, void *); 103 void esa_attach(struct device *, struct device *, void *); 104 int esa_detach(struct device *, int); 105 int esa_activate(struct device *, int); 106 107 /* audio(9) functions */ 108 int esa_open(void *, int); 109 void esa_close(void *); 110 int esa_query_encoding(void *, struct audio_encoding *); 111 int esa_set_params(void *, int, int, struct audio_params *, 112 struct audio_params *); 113 void esa_get_default_params(void *, int, struct audio_params *); 114 int esa_round_blocksize(void *, int); 115 int esa_commit_settings(void *); 116 int esa_halt_output(void *); 117 int esa_halt_input(void *); 118 int esa_set_port(void *, mixer_ctrl_t *); 119 int esa_get_port(void *, mixer_ctrl_t *); 120 int esa_query_devinfo(void *, mixer_devinfo_t *); 121 void * esa_malloc(void *, int, size_t, int, int); 122 void esa_free(void *, void *, int); 123 int esa_getdev(void *, struct audio_device *); 124 size_t esa_round_buffersize(void *, int, size_t); 125 int esa_get_props(void *); 126 int esa_trigger_output(void *, void *, void *, int, 127 void (*)(void *), void *, 128 struct audio_params *); 129 int esa_trigger_input(void *, void *, void *, int, 130 void (*)(void *), void *, 131 struct audio_params *); 132 133 int esa_intr(void *); 134 int esa_allocmem(struct esa_softc *, size_t, size_t, 135 struct esa_dma *); 136 int esa_freemem(struct esa_softc *, struct esa_dma *); 137 paddr_t esa_mappage(void *addr, void *mem, off_t off, int prot); 138 139 /* Supporting subroutines */ 140 u_int16_t esa_read_assp(struct esa_softc *, u_int16_t, u_int16_t); 141 void esa_write_assp(struct esa_softc *, u_int16_t, u_int16_t, 142 u_int16_t); 143 int esa_init_codec(struct esa_softc *); 144 int esa_attach_codec(void *, struct ac97_codec_if *); 145 int esa_read_codec(void *, u_int8_t, u_int16_t *); 146 int esa_write_codec(void *, u_int8_t, u_int16_t); 147 void esa_reset_codec(void *); 148 enum ac97_host_flags esa_flags_codec(void *); 149 int esa_wait(struct esa_softc *); 150 int esa_init(struct esa_softc *); 151 void esa_config(struct esa_softc *); 152 u_int8_t esa_assp_halt(struct esa_softc *); 153 void esa_codec_reset(struct esa_softc *); 154 int esa_amp_enable(struct esa_softc *); 155 void esa_enable_interrupts(struct esa_softc *); 156 u_int32_t esa_get_pointer(struct esa_softc *, struct esa_channel *); 157 158 /* list management */ 159 int esa_add_list(struct esa_voice *, struct esa_list *, u_int16_t, 160 int); 161 void esa_remove_list(struct esa_voice *, struct esa_list *, int); 162 163 /* power management */ 164 int esa_suspend(struct esa_softc *); 165 int esa_resume(struct esa_softc *); 166 167 static audio_encoding_t esa_encoding[] = { 168 { 0, AudioEulinear, AUDIO_ENCODING_ULINEAR, 8, 1, 1, 0 }, 169 { 1, AudioEmulaw, AUDIO_ENCODING_ULAW, 8, 1, 1, 170 AUDIO_ENCODINGFLAG_EMULATED }, 171 { 2, AudioEalaw, AUDIO_ENCODING_ALAW, 8, 1, 1, 172 AUDIO_ENCODINGFLAG_EMULATED }, 173 { 3, AudioEslinear, AUDIO_ENCODING_SLINEAR, 8, 1, 1, 174 AUDIO_ENCODINGFLAG_EMULATED }, 175 { 4, AudioEslinear_le, AUDIO_ENCODING_SLINEAR_LE, 16, 2, 1, 0 }, 176 { 5, AudioEulinear_le, AUDIO_ENCODING_ULINEAR_LE, 16, 2, 1, 177 AUDIO_ENCODINGFLAG_EMULATED }, 178 { 6, AudioEslinear_be, AUDIO_ENCODING_SLINEAR_BE, 16, 2, 1, 179 AUDIO_ENCODINGFLAG_EMULATED }, 180 { 7, AudioEulinear_be, AUDIO_ENCODING_ULINEAR_BE, 16, 2, 1, 181 AUDIO_ENCODINGFLAG_EMULATED } 182 }; 183 184 #define ESA_NENCODINGS 8 185 186 struct audio_hw_if esa_hw_if = { 187 esa_open, 188 esa_close, 189 NULL, /* drain */ 190 esa_query_encoding, 191 esa_set_params, 192 esa_round_blocksize, 193 esa_commit_settings, 194 NULL, /* init_output */ 195 NULL, /* init_input */ 196 NULL, /* start_output */ 197 NULL, /* start_input */ 198 esa_halt_output, 199 esa_halt_input, 200 NULL, /* speaker_ctl */ 201 esa_getdev, 202 NULL, /* getfd */ 203 esa_set_port, 204 esa_get_port, 205 esa_query_devinfo, 206 esa_malloc, 207 esa_free, 208 esa_round_buffersize, 209 esa_mappage, 210 esa_get_props, 211 esa_trigger_output, 212 esa_trigger_input, 213 esa_get_default_params 214 }; 215 216 struct cfdriver esa_cd = { 217 NULL, "esa", DV_DULL 218 }; 219 220 struct cfattach esa_ca = { 221 sizeof(struct esa_softc), esa_match, esa_attach, 222 esa_detach, esa_activate 223 }; 224 225 /* 226 * audio(9) functions 227 */ 228 229 int 230 esa_open(void *hdl, int flags) 231 { 232 233 return (0); 234 } 235 236 void 237 esa_close(void *hdl) 238 { 239 240 return; 241 } 242 243 int 244 esa_query_encoding(void *hdl, struct audio_encoding *ae) 245 { 246 247 if (ae->index < 0 || ae->index >= ESA_NENCODINGS) 248 return (EINVAL); 249 *ae = esa_encoding[ae->index]; 250 251 return (0); 252 } 253 254 void 255 esa_get_default_params(void *addr, int mode, struct audio_params *params) 256 { 257 ac97_get_default_params(params); 258 } 259 260 int 261 esa_set_params(void *hdl, int setmode, int usemode, struct audio_params *play, 262 struct audio_params *rec) 263 { 264 struct esa_voice *vc = hdl; 265 //struct esa_softc *sc = (struct esa_softc *)vc->parent; 266 struct esa_channel *ch; 267 struct audio_params *p; 268 int mode; 269 270 for (mode = AUMODE_RECORD; mode != -1; 271 mode = (mode == AUMODE_RECORD) ? AUMODE_PLAY : -1) { 272 if ((setmode & mode) == 0) 273 continue; 274 275 switch (mode) { 276 case AUMODE_PLAY: 277 p = play; 278 ch = &vc->play; 279 break; 280 case AUMODE_RECORD: 281 p = rec; 282 ch = &vc->rec; 283 break; 284 } 285 286 if (p->sample_rate < ESA_MINRATE) 287 p->sample_rate = ESA_MINRATE; 288 if (p->sample_rate > ESA_MAXRATE) 289 p->sample_rate = ESA_MAXRATE; 290 if (p->precision > 16) 291 p->precision = 16; 292 if (p->channels > 2) 293 p->channels = 2; 294 295 p->factor = 1; 296 p->sw_code = 0; 297 298 switch(p->encoding) { 299 case AUDIO_ENCODING_SLINEAR_BE: 300 if (p->precision == 16) 301 p->sw_code = swap_bytes; 302 else 303 p->sw_code = change_sign8; 304 break; 305 case AUDIO_ENCODING_SLINEAR_LE: 306 if (p->precision != 16) 307 p->sw_code = change_sign8; 308 break; 309 case AUDIO_ENCODING_ULINEAR_BE: 310 if (p->precision == 16) { 311 if (mode == AUMODE_PLAY) 312 p->sw_code = 313 swap_bytes_change_sign16_le; 314 else 315 p->sw_code = 316 change_sign16_swap_bytes_le; 317 } 318 break; 319 case AUDIO_ENCODING_ULINEAR_LE: 320 if (p->precision == 16) 321 p->sw_code = change_sign16_le; 322 break; 323 case AUDIO_ENCODING_ULAW: 324 if (mode == AUMODE_PLAY) { 325 p->factor = 2; 326 p->sw_code = mulaw_to_slinear16_le; 327 } else 328 p->sw_code = ulinear8_to_mulaw; 329 break; 330 case AUDIO_ENCODING_ALAW: 331 if (mode == AUMODE_PLAY) { 332 p->factor = 2; 333 p->sw_code = alaw_to_slinear16_le; 334 } else 335 p->sw_code = ulinear8_to_alaw; 336 break; 337 default: 338 return (EINVAL); 339 } 340 p->bps = AUDIO_BPS(p->precision); 341 p->msb = 1; 342 343 ch->mode = *p; 344 } 345 346 return (0); 347 } 348 349 int 350 esa_commit_settings(void *hdl) 351 { 352 struct esa_voice *vc = hdl; 353 struct esa_softc *sc = (struct esa_softc *)vc->parent; 354 struct audio_params *p = &vc->play.mode; 355 struct audio_params *r = &vc->rec.mode; 356 u_int32_t data; 357 u_int32_t freq; 358 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 359 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 360 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 361 &~ 255; 362 363 /* playback */ 364 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * vc->index); 365 if (p->channels == 1) 366 data = 1; 367 else 368 data = 0; 369 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 370 vc->play.data_offset + ESA_SRC3_MODE_OFFSET, 371 data); 372 if (p->precision * p->factor == 8) 373 data = 1; 374 else 375 data = 0; 376 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 377 vc->play.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET, 378 data); 379 if ((freq = ((p->sample_rate << 15) + 24000) / 48000) != 0) { 380 freq--; 381 } 382 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 383 vc->play.data_offset + ESA_CDATA_FREQUENCY, freq); 384 385 /* recording */ 386 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * vc->index) + 387 (data_bytes / 2); 388 if (r->channels == 1) 389 data = 1; 390 else 391 data = 0; 392 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 393 vc->rec.data_offset + ESA_SRC3_MODE_OFFSET, 394 data); 395 if (r->precision * r->factor == 8) 396 data = 1; 397 else 398 data = 0; 399 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 400 vc->rec.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET, 401 data); 402 if ((freq = ((r->sample_rate << 15) + 24000) / 48000) != 0) { 403 freq--; 404 } 405 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 406 vc->rec.data_offset + ESA_CDATA_FREQUENCY, freq); 407 408 return (0); 409 }; 410 411 int 412 esa_round_blocksize(void *hdl, int bs) 413 { 414 struct esa_voice *vc = hdl; 415 416 /* 417 * Surely there has to be a better solution... 418 */ 419 vc->play.blksize = vc->rec.blksize = 4096; 420 421 return (vc->play.blksize); 422 } 423 424 int 425 esa_halt_output(void *hdl) 426 { 427 struct esa_voice *vc = hdl; 428 struct esa_softc *sc = (struct esa_softc *)vc->parent; 429 bus_space_tag_t iot = sc->sc_iot; 430 bus_space_handle_t ioh = sc->sc_ioh; 431 u_int16_t data; 432 433 if (vc->play.active == 0) 434 return (0); 435 436 mtx_enter(&audio_lock); 437 vc->play.active = 0; 438 439 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 440 ESA_CDATA_INSTANCE_READY + vc->play.data_offset, 0); 441 442 sc->sc_ntimers--; 443 if (sc->sc_ntimers == 0) { 444 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 445 ESA_KDATA_TIMER_COUNT_RELOAD, 0); 446 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 447 ESA_KDATA_TIMER_COUNT_CURRENT, 0); 448 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 449 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 450 data & ~ESA_CLKRUN_GEN_ENABLE); 451 } 452 453 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 454 ESA_KDATA_MIXER_TASK_NUMBER, 455 sc->mixer_list.indexmap[vc->index]); 456 /* remove ourselves from the packed lists */ 457 esa_remove_list(vc, &sc->mixer_list, vc->index); 458 esa_remove_list(vc, &sc->dma_list, vc->index); 459 esa_remove_list(vc, &sc->msrc_list, vc->index); 460 mtx_leave(&audio_lock); 461 return (0); 462 } 463 464 int 465 esa_halt_input(void *hdl) 466 { 467 struct esa_voice *vc = hdl; 468 struct esa_softc *sc = (struct esa_softc *)vc->parent; 469 bus_space_tag_t iot = sc->sc_iot; 470 bus_space_handle_t ioh = sc->sc_ioh; 471 u_int32_t data; 472 473 if (vc->rec.active == 0) 474 return (0); 475 476 mtx_enter(&audio_lock); 477 vc->rec.active = 0; 478 479 sc->sc_ntimers--; 480 if (sc->sc_ntimers == 0) { 481 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 482 ESA_KDATA_TIMER_COUNT_RELOAD, 0); 483 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 484 ESA_KDATA_TIMER_COUNT_CURRENT, 0); 485 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 486 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 487 data & ~ESA_CLKRUN_GEN_ENABLE); 488 } 489 490 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, vc->rec.data_offset + 491 ESA_CDATA_INSTANCE_READY, 0); 492 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 493 0); 494 495 /* remove ourselves from the packed lists */ 496 esa_remove_list(vc, &sc->adc1_list, vc->index + ESA_NUM_VOICES); 497 esa_remove_list(vc, &sc->dma_list, vc->index + ESA_NUM_VOICES); 498 esa_remove_list(vc, &sc->msrc_list, vc->index + ESA_NUM_VOICES); 499 mtx_leave(&audio_lock); 500 return (0); 501 } 502 503 void * 504 esa_malloc(void *hdl, int direction, size_t size, int type, int flags) 505 { 506 struct esa_voice *vc = hdl; 507 struct esa_softc *sc = (struct esa_softc *)vc->parent; 508 struct esa_dma *p; 509 int error; 510 511 p = malloc(sizeof(*p), type, flags); 512 if (!p) 513 return (0); 514 error = esa_allocmem(sc, size, 16, p); 515 if (error) { 516 free(p, type, 0); 517 printf("%s: esa_malloc: not enough memory\n", 518 sc->sc_dev.dv_xname); 519 return (0); 520 } 521 p->next = vc->dma; 522 vc->dma = p; 523 524 return (KERNADDR(p)); 525 } 526 527 void 528 esa_free(void *hdl, void *addr, int type) 529 { 530 struct esa_voice *vc = hdl; 531 struct esa_softc *sc = (struct esa_softc *)vc->parent; 532 struct esa_dma *p; 533 struct esa_dma **pp; 534 535 for (pp = &vc->dma; (p = *pp) != NULL; pp = &p->next) 536 if (KERNADDR(p) == addr) { 537 esa_freemem(sc, p); 538 *pp = p->next; 539 free(p, type, 0); 540 return; 541 } 542 } 543 544 int 545 esa_getdev(void *hdl, struct audio_device *ret) 546 { 547 548 *ret = esa_device; 549 550 return (0); 551 } 552 553 int 554 esa_set_port(void *hdl, mixer_ctrl_t *mc) 555 { 556 struct esa_voice *vc = hdl; 557 struct esa_softc *sc = (struct esa_softc *)vc->parent; 558 559 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, mc)); 560 } 561 562 int 563 esa_get_port(void *hdl, mixer_ctrl_t *mc) 564 { 565 struct esa_voice *vc = hdl; 566 struct esa_softc *sc = (struct esa_softc *)vc->parent; 567 568 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, mc)); 569 } 570 571 int 572 esa_query_devinfo(void *hdl, mixer_devinfo_t *di) 573 { 574 struct esa_voice *vc = hdl; 575 struct esa_softc *sc = (struct esa_softc *)vc->parent; 576 577 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, di)); 578 } 579 580 size_t 581 esa_round_buffersize(void *hdl, int direction, size_t bufsize) 582 { 583 struct esa_voice *vc = hdl; 584 585 /* 586 * We must be able to do better than this... 587 */ 588 vc->play.bufsize = vc->rec.bufsize = 65536; 589 590 return (vc->play.bufsize); 591 } 592 593 int 594 esa_get_props(void *hdl) 595 { 596 597 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX); 598 } 599 600 int 601 esa_trigger_output(void *hdl, void *start, void *end, int blksize, 602 void (*intr)(void *), void *intrarg, 603 struct audio_params *param) 604 { 605 struct esa_voice *vc = hdl; 606 struct esa_softc *sc = (struct esa_softc *)vc->parent; 607 struct esa_dma *p; 608 bus_space_tag_t iot = sc->sc_iot; 609 bus_space_handle_t ioh = sc->sc_ioh; 610 u_int32_t data; 611 u_int32_t bufaddr; 612 u_int32_t i; 613 size_t size; 614 615 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 616 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 617 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 618 &~ 255; 619 int dac_data = ESA_DAC_DATA + (data_bytes * vc->index); 620 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x20 * 2); 621 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x20 * 2); 622 int dsp_in_buf = dac_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 623 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 624 625 if (vc->play.active) 626 return (EINVAL); 627 628 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) 629 ; 630 if (!p) { 631 printf("%s: esa_trigger_output: bad addr %p\n", 632 sc->sc_dev.dv_xname, start); 633 return (EINVAL); 634 } 635 636 vc->play.active = 1; 637 vc->play.intr = intr; 638 vc->play.arg = intrarg; 639 vc->play.pos = 0; 640 vc->play.count = 0; 641 vc->play.buf = start; 642 size = (size_t)(((caddr_t)end - (caddr_t)start)); 643 bufaddr = DMAADDR(p); 644 vc->play.start = bufaddr; 645 646 #define LO(x) ((x) & 0x0000ffff) 647 #define HI(x) ((x) >> 16) 648 649 mtx_enter(&audio_lock); 650 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 651 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 652 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 653 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 654 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 655 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 656 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 657 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 658 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 659 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 660 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 661 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 662 663 /* DSP buffers */ 664 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 665 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 666 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 667 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 668 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 669 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 670 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 671 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 672 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 673 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 674 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 675 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 676 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 677 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 678 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 679 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 680 681 /* Some per-client initializers */ 682 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 683 ESA_SRC3_DIRECTION_OFFSET + 12, dac_data + 40 + 8); 684 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 685 ESA_SRC3_DIRECTION_OFFSET + 19, 0x400 + ESA_MINISRC_COEF_LOC); 686 /* Enable or disable low-pass filter? (0xff if rate > 45000) */ 687 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 688 ESA_SRC3_DIRECTION_OFFSET + 22, 689 vc->play.mode.sample_rate > 45000 ? 0xff : 0); 690 /* Tell it which way DMA is going */ 691 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 692 ESA_CDATA_DMA_CONTROL, 693 ESA_DMACONTROL_AUTOREPEAT + ESA_DMAC_PAGE3_SELECTOR + 694 ESA_DMAC_BLOCKF_SELECTOR); 695 696 /* Set an armload of static initializers */ 697 for (i = 0; i < nitems(esa_playvals); i++) 698 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 699 esa_playvals[i].addr, esa_playvals[i].val); 700 701 /* Put us in the packed task lists */ 702 esa_add_list(vc, &sc->msrc_list, dac_data >> ESA_DP_SHIFT_COUNT, 703 vc->index); 704 esa_add_list(vc, &sc->dma_list, dac_data >> ESA_DP_SHIFT_COUNT, 705 vc->index); 706 esa_add_list(vc, &sc->mixer_list, dac_data >> ESA_DP_SHIFT_COUNT, 707 vc->index); 708 #undef LO 709 #undef HI 710 711 /* XXX */ 712 //esa_commit_settings(vc); 713 714 sc->sc_ntimers++; 715 716 if (sc->sc_ntimers == 1) { 717 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 718 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 719 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 720 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 721 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 722 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 723 data | ESA_CLKRUN_GEN_ENABLE); 724 } 725 726 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 727 ESA_CDATA_INSTANCE_READY, 1); 728 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 729 ESA_KDATA_MIXER_TASK_NUMBER, 730 sc->mixer_list.indexmap[vc->index]); 731 mtx_leave(&audio_lock); 732 return (0); 733 } 734 735 int 736 esa_trigger_input(void *hdl, void *start, void *end, int blksize, 737 void (*intr)(void *), void *intrarg, 738 struct audio_params *param) 739 { 740 struct esa_voice *vc = hdl; 741 struct esa_softc *sc = (struct esa_softc *)vc->parent; 742 struct esa_dma *p; 743 bus_space_tag_t iot = sc->sc_iot; 744 bus_space_handle_t ioh = sc->sc_ioh; 745 u_int32_t data; 746 u_int32_t bufaddr; 747 u_int32_t i; 748 size_t size; 749 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 750 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 751 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 752 &~ 255; 753 int adc_data = ESA_DAC_DATA + (data_bytes * vc->index) + 754 (data_bytes / 2); 755 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x10 * 2); 756 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x10 * 2); 757 int dsp_in_buf = adc_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 758 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 759 vc->rec.data_offset = adc_data; 760 761 /* We only support 1 recording channel */ 762 if (vc->index > 0) 763 return (ENODEV); 764 765 if (vc->rec.active) 766 return (EINVAL); 767 768 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) 769 ; 770 if (!p) { 771 printf("%s: esa_trigger_input: bad addr %p\n", 772 sc->sc_dev.dv_xname, start); 773 return (EINVAL); 774 } 775 776 vc->rec.active = 1; 777 vc->rec.intr = intr; 778 vc->rec.arg = intrarg; 779 vc->rec.pos = 0; 780 vc->rec.count = 0; 781 vc->rec.buf = start; 782 size = (size_t)(((caddr_t)end - (caddr_t)start)); 783 bufaddr = DMAADDR(p); 784 vc->rec.start = bufaddr; 785 786 #define LO(x) ((x) & 0x0000ffff) 787 #define HI(x) ((x) >> 16) 788 mtx_enter(&audio_lock); 789 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 790 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 791 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 792 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 793 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 794 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 795 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 796 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 797 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 798 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 799 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 800 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 801 802 /* DSP buffers */ 803 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 804 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 805 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 806 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 807 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 808 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 809 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 810 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 811 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 812 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 813 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 814 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 815 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 816 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 817 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 818 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 819 820 /* Some per-client initializers */ 821 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 822 ESA_SRC3_DIRECTION_OFFSET + 12, adc_data + 40 + 8); 823 /* Tell it which way DMA is going */ 824 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 825 ESA_CDATA_DMA_CONTROL, 826 ESA_DMACONTROL_DIRECTION + ESA_DMACONTROL_AUTOREPEAT + 827 ESA_DMAC_PAGE3_SELECTOR + ESA_DMAC_BLOCKF_SELECTOR); 828 829 /* Set an armload of static initializers */ 830 for (i = 0; i < nitems(esa_recvals); i++) 831 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 832 esa_recvals[i].addr, esa_recvals[i].val); 833 834 /* Put us in the packed task lists */ 835 esa_add_list(vc, &sc->adc1_list, adc_data >> ESA_DP_SHIFT_COUNT, 836 vc->index + ESA_NUM_VOICES); 837 esa_add_list(vc, &sc->msrc_list, adc_data >> ESA_DP_SHIFT_COUNT, 838 vc->index + ESA_NUM_VOICES); 839 esa_add_list(vc, &sc->dma_list, adc_data >> ESA_DP_SHIFT_COUNT, 840 vc->index + ESA_NUM_VOICES); 841 #undef LO 842 #undef HI 843 844 /* XXX */ 845 //esa_commit_settings(vc); 846 847 sc->sc_ntimers++; 848 if (sc->sc_ntimers == 1) { 849 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 850 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 851 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 852 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 853 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 854 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 855 data | ESA_CLKRUN_GEN_ENABLE); 856 } 857 858 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 859 ESA_CDATA_INSTANCE_READY, 1); 860 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 861 1); 862 mtx_leave(&audio_lock); 863 return (0); 864 } 865 866 /* Interrupt handler */ 867 868 int 869 esa_intr(void *hdl) 870 { 871 struct esa_softc *sc = hdl; 872 struct esa_voice *vc; 873 bus_space_tag_t iot = sc->sc_iot; 874 bus_space_handle_t ioh = sc->sc_ioh; 875 u_int8_t status, ctl; 876 u_int32_t pos; 877 u_int32_t diff; 878 u_int32_t play_blksize, play_bufsize; 879 u_int32_t rec_blksize, rec_bufsize; 880 int i, claimed = 0; 881 882 mtx_enter(&audio_lock); 883 status = bus_space_read_1(iot, ioh, ESA_HOST_INT_STATUS); 884 if (status == 0xff) { 885 mtx_leave(&audio_lock); 886 return (0); 887 } 888 889 /* ack the interrupt */ 890 bus_space_write_1(iot, ioh, ESA_HOST_INT_STATUS, status); 891 892 if (status & ESA_HV_INT_PENDING) { 893 u_int8_t event; 894 895 printf("%s: hardware volume interrupt\n", sc->sc_dev.dv_xname); 896 event = bus_space_read_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER); 897 switch(event) { 898 case 0x99: 899 case 0xaa: 900 case 0x66: 901 case 0x88: 902 printf("%s: esa_intr: FIXME\n", sc->sc_dev.dv_xname); 903 break; 904 default: 905 printf("%s: unknown hwvol event 0x%02x\n", 906 sc->sc_dev.dv_xname, event); 907 break; 908 } 909 bus_space_write_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER, 0x88); 910 claimed = 1; 911 } 912 913 if (status & ESA_ASSP_INT_PENDING) { 914 ctl = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_B); 915 if (!(ctl & ESA_STOP_ASSP_CLOCK)) { 916 ctl = bus_space_read_1(iot, ioh, 917 ESA_ASSP_HOST_INT_STATUS); 918 if (ctl & ESA_DSP2HOST_REQ_TIMER) { 919 bus_space_write_1(iot, ioh, 920 ESA_ASSP_HOST_INT_STATUS, 921 ESA_DSP2HOST_REQ_TIMER); 922 for (i = 0; i < ESA_NUM_VOICES; i++) { 923 vc = &sc->voice[i]; 924 if (vc->play.active) { 925 play_blksize = vc->play.blksize; 926 play_bufsize = vc->play.bufsize; 927 pos = esa_get_pointer(sc, &vc->play) 928 % play_bufsize; 929 diff = (play_bufsize + pos - vc->play.pos) 930 % play_bufsize; 931 vc->play.pos = pos; 932 vc->play.count += diff; 933 while(vc->play.count >= play_blksize) { 934 vc->play.count -= play_blksize; 935 (*vc->play.intr)(vc->play.arg); 936 } 937 } 938 if (vc->rec.active) { 939 rec_blksize = vc->rec.blksize; 940 rec_bufsize = vc->rec.bufsize; 941 pos = esa_get_pointer(sc, &vc->rec) 942 % rec_bufsize; 943 diff = (rec_bufsize + pos - vc->rec.pos) 944 % rec_bufsize; 945 vc->rec.pos = pos; 946 vc->rec.count += diff; 947 while(vc->rec.count >= rec_blksize) { 948 vc->rec.count -= rec_blksize; 949 (*vc->rec.intr)(vc->rec.arg); 950 } 951 } 952 } 953 } 954 } 955 claimed = 1; 956 } 957 mtx_leave(&audio_lock); 958 return (claimed); 959 } 960 961 int 962 esa_allocmem(struct esa_softc *sc, size_t size, size_t align, 963 struct esa_dma *p) 964 { 965 int error; 966 967 p->size = size; 968 error = bus_dmamem_alloc(sc->sc_dmat, p->size, align, 0, 969 p->segs, sizeof(p->segs) / sizeof(p->segs[0]), 970 &p->nsegs, BUS_DMA_NOWAIT); 971 if (error) 972 return (error); 973 974 error = bus_dmamem_map(sc->sc_dmat, p->segs, p->nsegs, p->size, 975 &p->addr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT); 976 if (error) 977 goto free; 978 979 error = bus_dmamap_create(sc->sc_dmat, p->size, 1, p->size, 0, 980 BUS_DMA_NOWAIT, &p->map); 981 if (error) 982 goto unmap; 983 984 error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, p->size, NULL, 985 BUS_DMA_NOWAIT); 986 if (error) 987 goto destroy; 988 989 return (0); 990 991 destroy: 992 bus_dmamap_destroy(sc->sc_dmat, p->map); 993 unmap: 994 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 995 free: 996 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 997 998 return (error); 999 } 1000 1001 int 1002 esa_freemem(struct esa_softc *sc, struct esa_dma *p) 1003 { 1004 1005 bus_dmamap_unload(sc->sc_dmat, p->map); 1006 bus_dmamap_destroy(sc->sc_dmat, p->map); 1007 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 1008 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 1009 1010 return (0); 1011 } 1012 1013 /* 1014 * Supporting Subroutines 1015 */ 1016 const struct pci_matchid esa_devices[] = { 1017 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_ES1989 }, 1018 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3 }, 1019 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3_2 }, 1020 }; 1021 1022 int 1023 esa_match(struct device *dev, void *match, void *aux) 1024 { 1025 return (pci_matchbyid((struct pci_attach_args *)aux, esa_devices, 1026 nitems(esa_devices))); 1027 } 1028 1029 void 1030 esa_attach(struct device *parent, struct device *self, void *aux) 1031 { 1032 struct esa_softc *sc = (struct esa_softc *)self; 1033 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 1034 pcitag_t tag = pa->pa_tag; 1035 pci_chipset_tag_t pc = pa->pa_pc; 1036 pci_intr_handle_t ih; 1037 struct esa_card_type *card; 1038 const char *intrstr; 1039 int i, len; 1040 1041 for (card = esa_card_types; card->pci_vendor_id; card++) 1042 if (PCI_VENDOR(pa->pa_id) == card->pci_vendor_id && 1043 PCI_PRODUCT(pa->pa_id) == card->pci_product_id) { 1044 sc->type = card->type; 1045 sc->delay1 = card->delay1; 1046 sc->delay2 = card->delay2; 1047 break; 1048 } 1049 1050 /* Map I/O register */ 1051 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 1052 &sc->sc_iot, &sc->sc_ioh, &sc->sc_iob, &sc->sc_ios, 0)) { 1053 printf(": can't map i/o space\n"); 1054 return; 1055 } 1056 1057 /* Initialize softc */ 1058 sc->sc_tag = tag; 1059 sc->sc_pct = pc; 1060 sc->sc_dmat = pa->pa_dmat; 1061 1062 /* Map and establish an interrupt */ 1063 if (pci_intr_map(pa, &ih)) { 1064 printf(": can't map interrupt\n"); 1065 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1066 return; 1067 } 1068 intrstr = pci_intr_string(pc, ih); 1069 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO | IPL_MPSAFE, 1070 esa_intr, self, sc->sc_dev.dv_xname); 1071 if (sc->sc_ih == NULL) { 1072 printf(": can't establish interrupt"); 1073 if (intrstr != NULL) 1074 printf(" at %s", intrstr); 1075 printf("\n"); 1076 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1077 return; 1078 } 1079 printf(": %s\n", intrstr); 1080 1081 /* Power up chip */ 1082 pci_set_powerstate(pc, tag, PCI_PMCSR_STATE_D0); 1083 1084 /* Init chip */ 1085 if (esa_init(sc) == -1) { 1086 printf("%s: esa_attach: unable to initialize the card\n", 1087 sc->sc_dev.dv_xname); 1088 pci_intr_disestablish(pc, sc->sc_ih); 1089 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1090 return; 1091 } 1092 1093 /* create suspend save area */ 1094 len = sizeof(u_int16_t) * (ESA_REV_B_CODE_MEMORY_LENGTH 1095 + ESA_REV_B_DATA_MEMORY_LENGTH + 1); 1096 sc->savemem = malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO); 1097 if (sc->savemem == NULL) { 1098 printf("%s: unable to allocate suspend buffer\n", 1099 sc->sc_dev.dv_xname); 1100 pci_intr_disestablish(pc, sc->sc_ih); 1101 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1102 return; 1103 } 1104 1105 /* 1106 * Every card I've seen has had their channels swapped with respect 1107 * to the mixer. Ie: 1108 * $ mixerctl -w outputs.master=0,191 1109 * Would result in the _right_ speaker being turned off. 1110 * 1111 * So, we will swap the left and right mixer channels to compensate 1112 * for this. 1113 */ 1114 sc->codec_flags |= AC97_HOST_SWAPPED_CHANNELS; 1115 sc->codec_flags |= AC97_HOST_DONT_READ; 1116 1117 /* Attach AC97 host interface */ 1118 sc->host_if.arg = self; 1119 sc->host_if.attach = esa_attach_codec; 1120 sc->host_if.read = esa_read_codec; 1121 sc->host_if.write = esa_write_codec; 1122 sc->host_if.reset = esa_reset_codec; 1123 sc->host_if.flags = esa_flags_codec; 1124 1125 if (ac97_attach(&sc->host_if) != 0) { 1126 pci_intr_disestablish(pc, sc->sc_ih); 1127 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1128 free(sc->savemem, M_DEVBUF, 0); 1129 return; 1130 } 1131 1132 /* initialize list management structures */ 1133 sc->mixer_list.mem_addr = ESA_KDATA_MIXER_XFER0; 1134 sc->mixer_list.max = ESA_MAX_VIRTUAL_MIXER_CHANNELS; 1135 sc->adc1_list.mem_addr = ESA_KDATA_ADC1_XFER0; 1136 sc->adc1_list.max = ESA_MAX_VIRTUAL_ADC1_CHANNELS; 1137 sc->dma_list.mem_addr = ESA_KDATA_DMA_XFER0; 1138 sc->dma_list.max = ESA_MAX_VIRTUAL_DMA_CHANNELS; 1139 sc->msrc_list.mem_addr = ESA_KDATA_INSTANCE0_MINISRC; 1140 sc->msrc_list.max = ESA_MAX_INSTANCE_MINISRC; 1141 1142 /* initialize index maps */ 1143 for (i = 0; i < ESA_NUM_VOICES * 2; i++) { 1144 sc->mixer_list.indexmap[i] = -1; 1145 sc->msrc_list.indexmap[i] = -1; 1146 sc->dma_list.indexmap[i] = -1; 1147 sc->adc1_list.indexmap[i] = -1; 1148 } 1149 for (i = 0; i < ESA_NUM_VOICES; i++) { 1150 sc->voice[i].parent = (struct device *)sc; 1151 sc->voice[i].index = i; 1152 sc->sc_audiodev[i] = 1153 audio_attach_mi(&esa_hw_if, &sc->voice[i], &sc->sc_dev); 1154 } 1155 } 1156 1157 int 1158 esa_detach(struct device *self, int flags) 1159 { 1160 struct esa_softc *sc = (struct esa_softc *)self; 1161 int i; 1162 1163 for (i = 0; i < ESA_NUM_VOICES; i++) { 1164 if (sc->sc_audiodev[i] != NULL) 1165 config_detach(sc->sc_audiodev[i], flags); 1166 } 1167 1168 if (sc->sc_ih != NULL) 1169 pci_intr_disestablish(sc->sc_pct, sc->sc_ih); 1170 if (sc->sc_ios) 1171 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1172 1173 free(sc->savemem, M_DEVBUF, 0); 1174 1175 return (0); 1176 } 1177 1178 u_int16_t 1179 esa_read_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index) 1180 { 1181 u_int16_t data; 1182 bus_space_tag_t iot = sc->sc_iot; 1183 bus_space_handle_t ioh = sc->sc_ioh; 1184 1185 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1186 region & ESA_MEMTYPE_MASK); 1187 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1188 data = bus_space_read_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA); 1189 1190 return (data); 1191 } 1192 1193 void 1194 esa_write_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index, 1195 u_int16_t data) 1196 { 1197 bus_space_tag_t iot = sc->sc_iot; 1198 bus_space_handle_t ioh = sc->sc_ioh; 1199 1200 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1201 region & ESA_MEMTYPE_MASK); 1202 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1203 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA, data); 1204 1205 return; 1206 } 1207 1208 int 1209 esa_init_codec(struct esa_softc *sc) 1210 { 1211 bus_space_tag_t iot = sc->sc_iot; 1212 bus_space_handle_t ioh = sc->sc_ioh; 1213 u_int32_t data; 1214 1215 data = bus_space_read_1(iot, ioh, ESA_CODEC_COMMAND); 1216 1217 return ((data & 0x1) ? 0 : 1); 1218 } 1219 1220 int 1221 esa_attach_codec(void *aux, struct ac97_codec_if *codec_if) 1222 { 1223 struct esa_softc *sc = aux; 1224 1225 sc->codec_if = codec_if; 1226 1227 return (0); 1228 } 1229 1230 int 1231 esa_read_codec(void *aux, u_int8_t reg, u_int16_t *result) 1232 { 1233 struct esa_softc *sc = aux; 1234 bus_space_tag_t iot = sc->sc_iot; 1235 bus_space_handle_t ioh = sc->sc_ioh; 1236 1237 if (esa_wait(sc)) 1238 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1239 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, (reg & 0x7f) | 0x80); 1240 delay(50); 1241 if (esa_wait(sc)) 1242 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1243 *result = bus_space_read_2(iot, ioh, ESA_CODEC_DATA); 1244 1245 return (0); 1246 } 1247 1248 int 1249 esa_write_codec(void *aux, u_int8_t reg, u_int16_t data) 1250 { 1251 struct esa_softc *sc = aux; 1252 bus_space_tag_t iot = sc->sc_iot; 1253 bus_space_handle_t ioh = sc->sc_ioh; 1254 1255 if (esa_wait(sc)) { 1256 printf("%s: esa_write_codec: timed out\n", sc->sc_dev.dv_xname); 1257 return (-1); 1258 } 1259 bus_space_write_2(iot, ioh, ESA_CODEC_DATA, data); 1260 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, reg & 0x7f); 1261 delay(50); 1262 1263 return (0); 1264 } 1265 1266 void 1267 esa_reset_codec(void *aux) 1268 { 1269 1270 return; 1271 } 1272 1273 enum ac97_host_flags 1274 esa_flags_codec(void *aux) 1275 { 1276 struct esa_softc *sc = aux; 1277 1278 return (sc->codec_flags); 1279 } 1280 1281 int 1282 esa_wait(struct esa_softc *sc) 1283 { 1284 int i, val; 1285 bus_space_tag_t iot = sc->sc_iot; 1286 bus_space_handle_t ioh = sc->sc_ioh; 1287 1288 for (i = 0; i < 20; i++) { 1289 val = bus_space_read_1(iot, ioh, ESA_CODEC_STATUS); 1290 if ((val & 1) == 0) 1291 return (0); 1292 delay(2); 1293 } 1294 1295 return (-1); 1296 } 1297 1298 int 1299 esa_init(struct esa_softc *sc) 1300 { 1301 struct esa_voice *vc; 1302 bus_space_tag_t iot = sc->sc_iot; 1303 bus_space_handle_t ioh = sc->sc_ioh; 1304 pcitag_t tag = sc->sc_tag; 1305 pci_chipset_tag_t pc = sc->sc_pct; 1306 u_int32_t data, i, size; 1307 u_int8_t reset_state; 1308 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 1309 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 1310 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 1311 &~ 255; 1312 1313 /* Disable legacy emulation */ 1314 data = pci_conf_read(pc, tag, PCI_LEGACY_AUDIO_CTRL); 1315 data |= DISABLE_LEGACY; 1316 pci_conf_write(pc, tag, PCI_LEGACY_AUDIO_CTRL, data); 1317 1318 esa_config(sc); 1319 1320 reset_state = esa_assp_halt(sc); 1321 1322 esa_init_codec(sc); 1323 esa_codec_reset(sc); 1324 1325 /* Zero kernel and mixer data */ 1326 size = ESA_REV_B_DATA_MEMORY_UNIT_LENGTH * ESA_NUM_UNITS_KERNEL_DATA; 1327 for (i = 0; i < size / 2; i++) { 1328 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1329 ESA_KDATA_BASE_ADDR + i, 0); 1330 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1331 ESA_KDATA_BASE_ADDR2 + i, 0); 1332 } 1333 1334 /* Init DMA pointer */ 1335 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_CURRENT_DMA, 1336 ESA_KDATA_DMA_XFER0); 1337 1338 /* Write kernel code into memory */ 1339 size = nitems(esa_assp_kernel_image); 1340 for (i = 0; i < size; i++) 1341 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1342 ESA_REV_B_CODE_MEMORY_BEGIN + i, esa_assp_kernel_image[i]); 1343 1344 size = nitems(esa_assp_minisrc_image); 1345 for (i = 0; i < size; i++) 1346 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 0x400 + i, 1347 esa_assp_minisrc_image[i]); 1348 1349 /* Write the coefficients for the low pass filter */ 1350 size = nitems(esa_minisrc_lpf_image); 1351 for (i = 0; i < size; i++) 1352 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1353 0x400 + ESA_MINISRC_COEF_LOC + i, esa_minisrc_lpf_image[i]); 1354 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1355 0x400 + ESA_MINISRC_COEF_LOC + size, 0x8000); 1356 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TASK0, 0x400); 1357 /* Init the mixer number */ 1358 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1359 ESA_KDATA_MIXER_TASK_NUMBER, 0); 1360 /* Extreme kernel master volume */ 1361 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1362 ESA_KDATA_DAC_LEFT_VOLUME, ESA_ARB_VOLUME); 1363 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1364 ESA_KDATA_DAC_RIGHT_VOLUME, ESA_ARB_VOLUME); 1365 1366 if (esa_amp_enable(sc)) 1367 return (-1); 1368 1369 /* Zero entire DAC/ADC area */ 1370 for (i = 0x1100; i < 0x1c00; i++) 1371 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 0); 1372 1373 /* set some sane defaults */ 1374 for (i = 0; i < ESA_NUM_VOICES; i++) { 1375 vc = &sc->voice[i]; 1376 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * i); 1377 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * i * 2); 1378 } 1379 1380 esa_enable_interrupts(sc); 1381 1382 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1383 reset_state | ESA_REGB_ENABLE_RESET); 1384 1385 return (0); 1386 } 1387 1388 void 1389 esa_config(struct esa_softc *sc) 1390 { 1391 bus_space_tag_t iot = sc->sc_iot; 1392 bus_space_handle_t ioh = sc->sc_ioh; 1393 pcitag_t tag = sc->sc_tag; 1394 pci_chipset_tag_t pc = sc->sc_pct; 1395 u_int32_t data; 1396 1397 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1398 data &= ESA_REDUCED_DEBOUNCE; 1399 data |= ESA_PM_CTRL_ENABLE | ESA_CLK_DIV_BY_49 | ESA_USE_PCI_TIMING; 1400 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1401 1402 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RESET_ASSP); 1403 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1404 data &= ~ESA_INT_CLK_SELECT; 1405 if (sc->type == ESS_MAESTRO3) { 1406 data &= ~ESA_INT_CLK_MULT_ENABLE; 1407 data |= ESA_INT_CLK_SRC_NOT_PCI; 1408 } 1409 data &= ~(ESA_CLK_MULT_MODE_SELECT | ESA_CLK_MULT_MODE_SELECT_2); 1410 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1411 1412 if (sc->type == ESS_ALLEGRO1) { 1413 data = pci_conf_read(pc, tag, ESA_PCI_USER_CONFIG); 1414 data |= ESA_IN_CLK_12MHZ_SELECT; 1415 pci_conf_write(pc, tag, ESA_PCI_USER_CONFIG, data); 1416 } 1417 1418 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_A); 1419 data &= ~(ESA_DSP_CLK_36MHZ_SELECT | ESA_ASSP_CLK_49MHZ_SELECT); 1420 data |= ESA_ASSP_CLK_49MHZ_SELECT; /* XXX: Assumes 49MHz DSP */ 1421 data |= ESA_ASSP_0_WS_ENABLE; 1422 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_A, data); 1423 1424 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RUN_ASSP); 1425 1426 return; 1427 } 1428 1429 u_int8_t 1430 esa_assp_halt(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_int8_t data, reset_state; 1435 1436 data = bus_space_read_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B); 1437 reset_state = data & ~ESA_REGB_STOP_CLOCK; 1438 delay(10000); /* XXX use tsleep */ 1439 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1440 reset_state & ~ESA_REGB_ENABLE_RESET); 1441 delay(10000); /* XXX use tsleep */ 1442 1443 return (reset_state); 1444 } 1445 1446 void 1447 esa_codec_reset(struct esa_softc *sc) 1448 { 1449 bus_space_tag_t iot = sc->sc_iot; 1450 bus_space_handle_t ioh = sc->sc_ioh; 1451 u_int16_t data, dir; 1452 int retry = 0; 1453 1454 do { 1455 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1456 dir = data | 0x10; /* assuming pci bus master? */ 1457 1458 /* remote codec config */ 1459 data = bus_space_read_2(iot, ioh, ESA_RING_BUS_CTRL_B); 1460 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_B, 1461 data & ~ESA_SECOND_CODEC_ID_MASK); 1462 data = bus_space_read_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL); 1463 bus_space_write_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL, 1464 data & ~ESA_COMMAND_ADDR_OUT); 1465 data = bus_space_read_2(iot, ioh, ESA_SDO_IN_DEST_CTRL); 1466 bus_space_write_2(iot, ioh, ESA_SDO_IN_DEST_CTRL, 1467 data & ~ESA_STATUS_ADDR_IN); 1468 1469 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1470 ESA_IO_SRAM_ENABLE); 1471 delay(20); 1472 1473 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1474 dir & ~ESA_GPO_PRIMARY_AC97); 1475 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, 1476 ~ESA_GPO_PRIMARY_AC97); 1477 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 0); 1478 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1479 dir | ESA_GPO_PRIMARY_AC97); 1480 delay(sc->delay1 * 1000); 1481 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 1482 ESA_GPO_PRIMARY_AC97); 1483 delay(5); 1484 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1485 ESA_IO_SRAM_ENABLE | ESA_SERIAL_AC_LINK_ENABLE); 1486 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1487 delay(sc->delay2 * 1000); 1488 1489 esa_read_codec(sc, 0x7c, &data); 1490 if ((data == 0) || (data == 0xffff)) { 1491 retry++; 1492 if (retry > 3) { 1493 printf("%s: esa_codec_reset: failed\n", 1494 sc->sc_dev.dv_xname); 1495 break; 1496 } 1497 printf("%s: esa_codec_reset: retrying\n", 1498 sc->sc_dev.dv_xname); 1499 } else 1500 retry = 0; 1501 } while (retry); 1502 1503 return; 1504 } 1505 1506 int 1507 esa_amp_enable(struct esa_softc *sc) 1508 { 1509 bus_space_tag_t iot = sc->sc_iot; 1510 bus_space_handle_t ioh = sc->sc_ioh; 1511 u_int32_t gpo, polarity_port, polarity; 1512 u_int16_t data; 1513 1514 switch (sc->type) { 1515 case ESS_ALLEGRO1: 1516 polarity_port = 0x1800; 1517 break; 1518 case ESS_MAESTRO3: 1519 polarity_port = 0x1100; 1520 break; 1521 default: 1522 printf("%s: esa_amp_enable: Unknown chip type!!!\n", 1523 sc->sc_dev.dv_xname); 1524 return (1); 1525 } 1526 1527 gpo = (polarity_port >> 8) & 0x0f; 1528 polarity = polarity_port >> 12; 1529 polarity = !polarity; /* Enable */ 1530 polarity = polarity << gpo; 1531 gpo = 1 << gpo; 1532 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~gpo); 1533 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1534 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, data | gpo); 1535 data = ESA_GPO_SECONDARY_AC97 | ESA_GPO_PRIMARY_AC97 | polarity; 1536 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, data); 1537 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1538 1539 return (0); 1540 } 1541 1542 void 1543 esa_enable_interrupts(struct esa_softc *sc) 1544 { 1545 bus_space_tag_t iot = sc->sc_iot; 1546 bus_space_handle_t ioh = sc->sc_ioh; 1547 u_int8_t data; 1548 1549 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 1550 ESA_ASSP_INT_ENABLE | ESA_HV_INT_ENABLE); 1551 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_C); 1552 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 1553 data | ESA_ASSP_HOST_INT_ENABLE); 1554 } 1555 1556 /* 1557 * List management 1558 */ 1559 int 1560 esa_add_list(struct esa_voice *vc, struct esa_list *el, 1561 u_int16_t val, int index) 1562 { 1563 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1564 1565 el->indexmap[index] = el->currlen; 1566 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1567 el->mem_addr + el->currlen, 1568 val); 1569 1570 return (el->currlen++); 1571 } 1572 1573 void 1574 esa_remove_list(struct esa_voice *vc, struct esa_list *el, int index) 1575 { 1576 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1577 u_int16_t val; 1578 int lastindex = el->currlen - 1; 1579 int vindex = el->indexmap[index]; 1580 int i; 1581 1582 /* reset our virtual index */ 1583 el->indexmap[index] = -1; 1584 1585 if (vindex != lastindex) { 1586 val = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1587 el->mem_addr + lastindex); 1588 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1589 el->mem_addr + vindex, 1590 val); 1591 for (i = 0; i < ESA_NUM_VOICES * 2; i++) 1592 if (el->indexmap[i] == lastindex) 1593 break; 1594 if (i >= ESA_NUM_VOICES * 2) 1595 printf("%s: esa_remove_list: invalid task index\n", 1596 sc->sc_dev.dv_xname); 1597 else 1598 el->indexmap[i] = vindex; 1599 } 1600 1601 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1602 el->mem_addr + lastindex, 0); 1603 el->currlen--; 1604 1605 return; 1606 } 1607 1608 int 1609 esa_activate(struct device *self, int act) 1610 { 1611 struct esa_softc *sc = (struct esa_softc *)self; 1612 1613 switch (act) { 1614 case DVACT_SUSPEND: 1615 esa_suspend(sc); 1616 break; 1617 case DVACT_RESUME: 1618 esa_resume(sc); 1619 (sc->codec_if->vtbl->restore_ports)(sc->codec_if); 1620 break; 1621 } 1622 return 0; 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 return (0); 1650 } 1651 1652 int 1653 esa_resume(struct esa_softc *sc) { 1654 bus_space_tag_t iot = sc->sc_iot; 1655 bus_space_handle_t ioh = sc->sc_ioh; 1656 int i, index; 1657 u_int8_t reset_state; 1658 1659 index = 0; 1660 1661 esa_config(sc); 1662 1663 reset_state = esa_assp_halt(sc); 1664 1665 esa_codec_reset(sc); 1666 1667 /* restore ASSP */ 1668 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1669 i++) 1670 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, i, 1671 sc->savemem[index++]); 1672 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1673 i++) 1674 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 1675 sc->savemem[index++]); 1676 1677 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_ACTIVE, 0); 1678 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1679 reset_state | ESA_REGB_ENABLE_RESET); 1680 1681 esa_enable_interrupts(sc); 1682 esa_amp_enable(sc); 1683 1684 return (0); 1685 } 1686 1687 u_int32_t 1688 esa_get_pointer(struct esa_softc *sc, struct esa_channel *ch) 1689 { 1690 u_int16_t hi = 0, lo = 0; 1691 u_int32_t addr; 1692 int data_offset = ch->data_offset; 1693 1694 hi = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1695 ESA_CDATA_HOST_SRC_CURRENTH); 1696 lo = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1697 ESA_CDATA_HOST_SRC_CURRENTL); 1698 1699 addr = lo | ((u_int32_t)hi << 16); 1700 return (addr - ch->start); 1701 } 1702 1703 paddr_t 1704 esa_mappage(void *addr, void *mem, off_t off, int prot) 1705 { 1706 struct esa_voice *vc = addr; 1707 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1708 struct esa_dma *p; 1709 1710 if (off < 0) 1711 return (-1); 1712 for (p = vc->dma; p && KERNADDR(p) != mem; p = p->next) 1713 ; 1714 if (!p) 1715 return (-1); 1716 return (bus_dmamem_mmap(sc->sc_dmat, p->segs, p->nsegs, 1717 off, prot, BUS_DMA_WAITOK)); 1718 } 1719