esa.c revision 1.27
1 /* $NetBSD: esa.c,v 1.27 2005/01/10 22:01:37 kent Exp $ */ 2 3 /* 4 * Copyright (c) 2001, 2002 Jared D. McNeill <jmcneill (at) 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 (at) zabbo.net> 36 * and Andrew MacDonald <amac (at) 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/cdefs.h> 42 __KERNEL_RCSID(0, "$NetBSD: esa.c,v 1.27 2005/01/10 22:01:37 kent Exp $"); 43 44 #include <sys/types.h> 45 #include <sys/errno.h> 46 #include <sys/null.h> 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/malloc.h> 50 #include <sys/device.h> 51 #include <sys/conf.h> 52 #include <sys/exec.h> 53 #include <sys/select.h> 54 #include <sys/audioio.h> 55 56 #include <machine/bus.h> 57 #include <machine/intr.h> 58 59 #include <dev/pci/pcidevs.h> 60 #include <dev/pci/pcivar.h> 61 62 #include <dev/audio_if.h> 63 #include <dev/mulaw.h> 64 #include <dev/auconv.h> 65 #include <dev/ic/ac97var.h> 66 #include <dev/ic/ac97reg.h> 67 68 #include <dev/pci/esareg.h> 69 #include <dev/pci/esadsp.h> 70 #include <dev/pci/esavar.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_ALLEGRO1, 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 *, struct cfdata *, void *); 103 void esa_attach(struct device *, struct device *, void *); 104 int esa_detach(struct device *, int); 105 106 /* audio(9) functions */ 107 int esa_query_encoding(void *, struct audio_encoding *); 108 int esa_set_params(void *, int, int, audio_params_t *, 109 audio_params_t *, stream_filter_list_t *, 110 stream_filter_list_t *); 111 int esa_round_blocksize(void *, int, int, const audio_params_t *); 112 int esa_commit_settings(void *); 113 int esa_halt_output(void *); 114 int esa_halt_input(void *); 115 int esa_set_port(void *, mixer_ctrl_t *); 116 int esa_get_port(void *, mixer_ctrl_t *); 117 int esa_query_devinfo(void *, mixer_devinfo_t *); 118 void * esa_malloc(void *, int, size_t, struct malloc_type *, int); 119 void esa_free(void *, void *, struct malloc_type *); 120 int esa_getdev(void *, struct audio_device *); 121 size_t esa_round_buffersize(void *, int, size_t); 122 int esa_get_props(void *); 123 int esa_trigger_output(void *, void *, void *, int, 124 void (*)(void *), void *, 125 const audio_params_t *); 126 int esa_trigger_input(void *, void *, void *, int, 127 void (*)(void *), void *, 128 const audio_params_t *); 129 130 int esa_intr(void *); 131 int esa_allocmem(struct esa_softc *, size_t, size_t, 132 struct esa_dma *); 133 int esa_freemem(struct esa_softc *, struct esa_dma *); 134 paddr_t esa_mappage(void *addr, void *mem, off_t off, int prot); 135 136 /* Supporting subroutines */ 137 u_int16_t esa_read_assp(struct esa_softc *, u_int16_t, u_int16_t); 138 void esa_write_assp(struct esa_softc *, u_int16_t, u_int16_t, 139 u_int16_t); 140 int esa_init_codec(struct esa_softc *); 141 int esa_attach_codec(void *, struct ac97_codec_if *); 142 int esa_read_codec(void *, u_int8_t, u_int16_t *); 143 int esa_write_codec(void *, u_int8_t, u_int16_t); 144 int esa_reset_codec(void *); 145 enum ac97_host_flags esa_flags_codec(void *); 146 int esa_wait(struct esa_softc *); 147 int esa_init(struct esa_softc *); 148 void esa_config(struct esa_softc *); 149 u_int8_t esa_assp_halt(struct esa_softc *); 150 void esa_codec_reset(struct esa_softc *); 151 int esa_amp_enable(struct esa_softc *); 152 void esa_enable_interrupts(struct esa_softc *); 153 u_int32_t esa_get_pointer(struct esa_softc *, struct esa_channel *); 154 155 /* list management */ 156 int esa_add_list(struct esa_voice *, struct esa_list *, u_int16_t, 157 int); 158 void esa_remove_list(struct esa_voice *, struct esa_list *, int); 159 160 /* power management */ 161 int esa_power(struct esa_softc *, int); 162 void esa_powerhook(int, void *); 163 int esa_suspend(struct esa_softc *); 164 int esa_resume(struct esa_softc *); 165 166 static audio_encoding_t esa_encoding[] = { 167 { 0, AudioEulinear, AUDIO_ENCODING_ULINEAR, 8, 0 }, 168 { 1, AudioEmulaw, AUDIO_ENCODING_ULAW, 8, 169 AUDIO_ENCODINGFLAG_EMULATED }, 170 { 2, AudioEalaw, AUDIO_ENCODING_ALAW, 8, AUDIO_ENCODINGFLAG_EMULATED }, 171 { 3, AudioEslinear, AUDIO_ENCODING_SLINEAR, 8, 172 AUDIO_ENCODINGFLAG_EMULATED }, /* XXX: Are you sure? */ 173 { 4, AudioEslinear_le, AUDIO_ENCODING_SLINEAR_LE, 16, 0 }, 174 { 5, AudioEulinear_le, AUDIO_ENCODING_ULINEAR_LE, 16, 175 AUDIO_ENCODINGFLAG_EMULATED }, 176 { 6, AudioEslinear_be, AUDIO_ENCODING_SLINEAR_BE, 16, 177 AUDIO_ENCODINGFLAG_EMULATED }, 178 { 7, AudioEulinear_be, AUDIO_ENCODING_ULINEAR_BE, 16, 179 AUDIO_ENCODINGFLAG_EMULATED } 180 }; 181 182 #define ESA_NENCODINGS 8 183 184 #define ESA_NFORMATS 4 185 static const struct audio_format esa_formats[ESA_NFORMATS] = { 186 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 187 2, AUFMT_STEREO, 0, {ESA_MINRATE, ESA_MAXRATE}}, 188 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 189 1, AUFMT_MONAURAL, 0, {ESA_MINRATE, ESA_MAXRATE}}, 190 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8, 191 2, AUFMT_STEREO, 0, {ESA_MINRATE, ESA_MAXRATE}}, 192 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8, 193 1, AUFMT_MONAURAL, 0, {ESA_MINRATE, ESA_MAXRATE}}, 194 }; 195 196 const struct audio_hw_if esa_hw_if = { 197 NULL, /* open */ 198 NULL, /* close */ 199 NULL, /* drain */ 200 esa_query_encoding, 201 esa_set_params, 202 esa_round_blocksize, 203 esa_commit_settings, 204 NULL, /* init_output */ 205 NULL, /* init_input */ 206 NULL, /* start_output */ 207 NULL, /* start_input */ 208 esa_halt_output, 209 esa_halt_input, 210 NULL, /* speaker_ctl */ 211 esa_getdev, 212 NULL, /* getfd */ 213 esa_set_port, 214 esa_get_port, 215 esa_query_devinfo, 216 esa_malloc, 217 esa_free, 218 esa_round_buffersize, 219 esa_mappage, 220 esa_get_props, 221 esa_trigger_output, 222 esa_trigger_input 223 }; 224 225 CFATTACH_DECL(esa, sizeof(struct esa_softc), esa_match, esa_attach, 226 esa_detach, NULL); 227 228 /* 229 * audio(9) functions 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, 245 audio_params_t *play, audio_params_t *rec, 246 stream_filter_list_t *pfil, stream_filter_list_t *rfil) 247 { 248 struct esa_voice *vc = hdl; 249 //struct esa_softc *sc = (struct esa_softc *)vc->parent; 250 struct esa_channel *ch; 251 struct audio_params *p; 252 stream_filter_list_t *fil; 253 int mode, i; 254 255 for (mode = AUMODE_RECORD; mode != -1; 256 mode = (mode == AUMODE_RECORD) ? AUMODE_PLAY : -1) { 257 if ((setmode & mode) == 0) 258 continue; 259 260 switch (mode) { 261 case AUMODE_PLAY: 262 p = play; 263 ch = &vc->play; 264 fil = pfil; 265 break; 266 case AUMODE_RECORD: 267 p = rec; 268 ch = &vc->rec; 269 fil = rfil; 270 break; 271 default: 272 return EINVAL; 273 } 274 275 if (p->sample_rate < ESA_MINRATE || 276 p->sample_rate > ESA_MAXRATE || 277 (p->precision != 8 && p->precision != 16) || 278 (p->channels < 1 && p->channels > 2)) 279 return (EINVAL); 280 281 i = auconv_set_converter(esa_formats, ESA_NFORMATS, 282 mode, p, FALSE, fil); 283 if (i < 0) 284 return EINVAL; 285 if (fil->req_size > 0) 286 p = &fil->filters[0].param; 287 ch->mode = *p; 288 } 289 290 return (0); 291 } 292 293 int 294 esa_commit_settings(void *hdl) 295 { 296 struct esa_voice *vc = hdl; 297 struct esa_softc *sc = (struct esa_softc *)vc->parent; 298 struct audio_params *p = &vc->play.mode; 299 struct audio_params *r = &vc->rec.mode; 300 u_int32_t data; 301 u_int32_t freq; 302 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 303 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 304 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 305 &~ 255; 306 307 /* playback */ 308 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * vc->index); 309 if (p->channels == 1) 310 data = 1; 311 else 312 data = 0; 313 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 314 vc->play.data_offset + ESA_SRC3_MODE_OFFSET, 315 data); 316 if (p->precision == 8) 317 data = 1; 318 else 319 data = 0; 320 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 321 vc->play.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET, 322 data); 323 if ((freq = ((p->sample_rate << 15) + 24000) / 48000) != 0) { 324 freq--; 325 } 326 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 327 vc->play.data_offset + ESA_CDATA_FREQUENCY, freq); 328 329 /* recording */ 330 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * vc->index) + 331 (data_bytes / 2); 332 if (r->channels == 1) 333 data = 1; 334 else 335 data = 0; 336 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 337 vc->rec.data_offset + ESA_SRC3_MODE_OFFSET, 338 data); 339 if (r->precision == 8) 340 data = 1; 341 else 342 data = 0; 343 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 344 vc->rec.data_offset + ESA_SRC3_WORD_LENGTH_OFFSET, 345 data); 346 if ((freq = ((r->sample_rate << 15) + 24000) / 48000) != 0) { 347 freq--; 348 } 349 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 350 vc->rec.data_offset + ESA_CDATA_FREQUENCY, freq); 351 352 return (0); 353 }; 354 355 int 356 esa_round_blocksize(void *hdl, int bs, int mode, const audio_params_t *param) 357 { 358 359 return (bs & ~0x20); /* Be conservative; align to 32 bytes */ 360 } 361 362 int 363 esa_halt_output(void *hdl) 364 { 365 struct esa_voice *vc = hdl; 366 struct esa_softc *sc = (struct esa_softc *)vc->parent; 367 bus_space_tag_t iot = sc->sc_iot; 368 bus_space_handle_t ioh = sc->sc_ioh; 369 u_int16_t data; 370 371 if (vc->play.active == 0) 372 return (0); 373 374 vc->play.active = 0; 375 376 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 377 ESA_CDATA_INSTANCE_READY + vc->play.data_offset, 0); 378 379 sc->sc_ntimers--; 380 if (sc->sc_ntimers == 0) { 381 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 382 ESA_KDATA_TIMER_COUNT_RELOAD, 0); 383 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 384 ESA_KDATA_TIMER_COUNT_CURRENT, 0); 385 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 386 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 387 data & ~ESA_CLKRUN_GEN_ENABLE); 388 } 389 390 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 391 ESA_KDATA_MIXER_TASK_NUMBER, 392 sc->mixer_list.indexmap[vc->index]); 393 /* remove ourselves from the packed lists */ 394 esa_remove_list(vc, &sc->mixer_list, vc->index); 395 esa_remove_list(vc, &sc->dma_list, vc->index); 396 esa_remove_list(vc, &sc->msrc_list, vc->index); 397 398 return (0); 399 } 400 401 int 402 esa_halt_input(void *hdl) 403 { 404 struct esa_voice *vc = hdl; 405 struct esa_softc *sc = (struct esa_softc *)vc->parent; 406 bus_space_tag_t iot = sc->sc_iot; 407 bus_space_handle_t ioh = sc->sc_ioh; 408 u_int32_t data; 409 410 if (vc->rec.active == 0) 411 return (0); 412 413 vc->rec.active = 0; 414 415 sc->sc_ntimers--; 416 if (sc->sc_ntimers == 0) { 417 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 418 ESA_KDATA_TIMER_COUNT_RELOAD, 0); 419 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 420 ESA_KDATA_TIMER_COUNT_CURRENT, 0); 421 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 422 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 423 data & ~ESA_CLKRUN_GEN_ENABLE); 424 } 425 426 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, vc->rec.data_offset + 427 ESA_CDATA_INSTANCE_READY, 0); 428 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 429 0); 430 431 /* remove ourselves from the packed lists */ 432 esa_remove_list(vc, &sc->adc1_list, vc->index + ESA_NUM_VOICES); 433 esa_remove_list(vc, &sc->dma_list, vc->index + ESA_NUM_VOICES); 434 esa_remove_list(vc, &sc->msrc_list, vc->index + ESA_NUM_VOICES); 435 436 return (0); 437 } 438 439 void * 440 esa_malloc(void *hdl, int direction, size_t size, struct malloc_type *type, 441 int flags) 442 { 443 struct esa_voice *vc = hdl; 444 struct esa_softc *sc = (struct esa_softc *)vc->parent; 445 struct esa_dma *p; 446 int error; 447 448 p = malloc(sizeof(*p), type, flags); 449 if (!p) 450 return (0); 451 error = esa_allocmem(sc, size, 16, p); 452 if (error) { 453 free(p, type); 454 printf("%s: esa_malloc: not enough memory\n", 455 sc->sc_dev.dv_xname); 456 return (0); 457 } 458 p->next = vc->dma; 459 vc->dma = p; 460 461 return (KERNADDR(p)); 462 } 463 464 void 465 esa_free(void *hdl, void *addr, struct malloc_type *type) 466 { 467 struct esa_voice *vc = hdl; 468 struct esa_softc *sc = (struct esa_softc *)vc->parent; 469 struct esa_dma *p; 470 struct esa_dma **pp; 471 472 for (pp = &vc->dma; (p = *pp) != NULL; pp = &p->next) 473 if (KERNADDR(p) == addr) { 474 esa_freemem(sc, p); 475 *pp = p->next; 476 free(p, type); 477 return; 478 } 479 } 480 481 int 482 esa_getdev(void *hdl, struct audio_device *ret) 483 { 484 485 *ret = esa_device; 486 487 return (0); 488 } 489 490 int 491 esa_set_port(void *hdl, mixer_ctrl_t *mc) 492 { 493 struct esa_voice *vc = hdl; 494 struct esa_softc *sc = (struct esa_softc *)vc->parent; 495 496 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, mc)); 497 } 498 499 int 500 esa_get_port(void *hdl, mixer_ctrl_t *mc) 501 { 502 struct esa_voice *vc = hdl; 503 struct esa_softc *sc = (struct esa_softc *)vc->parent; 504 505 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, mc)); 506 } 507 508 int 509 esa_query_devinfo(void *hdl, mixer_devinfo_t *di) 510 { 511 struct esa_voice *vc = hdl; 512 struct esa_softc *sc = (struct esa_softc *)vc->parent; 513 514 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, di)); 515 } 516 517 size_t 518 esa_round_buffersize(void *hdl, int direction, size_t bufsize) 519 { 520 521 return (bufsize); 522 } 523 524 int 525 esa_get_props(void *hdl) 526 { 527 528 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX); 529 } 530 531 int 532 esa_trigger_output(void *hdl, void *start, void *end, int blksize, 533 void (*intr)(void *), void *intrarg, 534 const audio_params_t *param) 535 { 536 struct esa_voice *vc = hdl; 537 struct esa_softc *sc = (struct esa_softc *)vc->parent; 538 struct esa_dma *p; 539 bus_space_tag_t iot = sc->sc_iot; 540 bus_space_handle_t ioh = sc->sc_ioh; 541 u_int32_t data; 542 u_int32_t bufaddr; 543 u_int32_t i; 544 size_t size; 545 546 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 547 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 548 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 549 &~ 255; 550 int dac_data = ESA_DAC_DATA + (data_bytes * vc->index); 551 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x20 * 2); 552 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x20 * 2); 553 int dsp_in_buf = dac_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 554 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 555 556 if (vc->play.active) 557 return (EINVAL); 558 559 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) 560 ; 561 if (!p) { 562 printf("%s: esa_trigger_output: bad addr %p\n", 563 sc->sc_dev.dv_xname, start); 564 return (EINVAL); 565 } 566 567 vc->play.active = 1; 568 vc->play.intr = intr; 569 vc->play.arg = intrarg; 570 vc->play.pos = 0; 571 vc->play.count = 0; 572 vc->play.buf = start; 573 vc->play.bufsize = size = (size_t)(((caddr_t)end - (caddr_t)start)); 574 vc->play.blksize = blksize; 575 bufaddr = DMAADDR(p); 576 vc->play.start = bufaddr; 577 578 #define LO(x) ((x) & 0x0000ffff) 579 #define HI(x) ((x) >> 16) 580 581 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 582 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 583 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 584 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 585 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 586 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 587 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 588 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 589 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 590 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 591 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 592 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 593 594 /* DSP buffers */ 595 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 596 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 597 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 598 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 599 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 600 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 601 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 602 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 603 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 604 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 605 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 606 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 607 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 608 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 609 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 610 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 611 612 /* Some per-client initializers */ 613 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 614 ESA_SRC3_DIRECTION_OFFSET + 12, dac_data + 40 + 8); 615 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 616 ESA_SRC3_DIRECTION_OFFSET + 19, 0x400 + ESA_MINISRC_COEF_LOC); 617 /* Enable or disable low-pass filter? (0xff if rate > 45000) */ 618 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 619 ESA_SRC3_DIRECTION_OFFSET + 22, 620 vc->play.mode.sample_rate > 45000 ? 0xff : 0); 621 /* Tell it which way DMA is going */ 622 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 623 ESA_CDATA_DMA_CONTROL, 624 ESA_DMACONTROL_AUTOREPEAT + ESA_DMAC_PAGE3_SELECTOR + 625 ESA_DMAC_BLOCKF_SELECTOR); 626 627 /* Set an armload of static initializers */ 628 for (i = 0; i < (sizeof(esa_playvals) / sizeof(esa_playvals[0])); i++) 629 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 630 esa_playvals[i].addr, esa_playvals[i].val); 631 632 /* Put us in the packed task lists */ 633 esa_add_list(vc, &sc->msrc_list, dac_data >> ESA_DP_SHIFT_COUNT, 634 vc->index); 635 esa_add_list(vc, &sc->dma_list, dac_data >> ESA_DP_SHIFT_COUNT, 636 vc->index); 637 esa_add_list(vc, &sc->mixer_list, dac_data >> ESA_DP_SHIFT_COUNT, 638 vc->index); 639 #undef LO 640 #undef HI 641 642 /* XXX */ 643 //esa_commit_settings(vc); 644 645 sc->sc_ntimers++; 646 647 if (sc->sc_ntimers == 1) { 648 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 649 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 650 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 651 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 652 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 653 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 654 data | ESA_CLKRUN_GEN_ENABLE); 655 } 656 657 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 658 ESA_CDATA_INSTANCE_READY, 1); 659 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 660 ESA_KDATA_MIXER_TASK_NUMBER, 661 sc->mixer_list.indexmap[vc->index]); 662 663 return (0); 664 } 665 666 int 667 esa_trigger_input(void *hdl, void *start, void *end, int blksize, 668 void (*intr)(void *), void *intrarg, 669 const audio_params_t *param) 670 { 671 struct esa_voice *vc = hdl; 672 struct esa_softc *sc = (struct esa_softc *)vc->parent; 673 struct esa_dma *p; 674 bus_space_tag_t iot = sc->sc_iot; 675 bus_space_handle_t ioh = sc->sc_ioh; 676 u_int32_t data; 677 u_int32_t bufaddr; 678 u_int32_t i; 679 size_t size; 680 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 681 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 682 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 683 &~ 255; 684 int adc_data = ESA_DAC_DATA + (data_bytes * vc->index) + 685 (data_bytes / 2); 686 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x10 * 2); 687 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x10 * 2); 688 int dsp_in_buf = adc_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 689 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 690 vc->rec.data_offset = adc_data; 691 692 /* We only support 1 recording channel */ 693 if (vc->index > 0) 694 return (ENODEV); 695 696 if (vc->rec.active) 697 return (EINVAL); 698 699 for (p = vc->dma; p && KERNADDR(p) != start; p = p->next) 700 ; 701 if (!p) { 702 printf("%s: esa_trigger_input: bad addr %p\n", 703 sc->sc_dev.dv_xname, start); 704 return (EINVAL); 705 } 706 707 vc->rec.active = 1; 708 vc->rec.intr = intr; 709 vc->rec.arg = intrarg; 710 vc->rec.pos = 0; 711 vc->rec.count = 0; 712 vc->rec.buf = start; 713 vc->rec.bufsize = size = (size_t)(((caddr_t)end - (caddr_t)start)); 714 vc->rec.blksize = blksize; 715 bufaddr = DMAADDR(p); 716 vc->rec.start = bufaddr; 717 718 #define LO(x) ((x) & 0x0000ffff) 719 #define HI(x) ((x) >> 16) 720 721 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 722 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 723 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 724 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 725 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 726 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 727 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 728 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 729 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 730 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 731 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 732 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 733 734 /* DSP buffers */ 735 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 736 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 737 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 738 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 739 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 740 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 741 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 742 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 743 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 744 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 745 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 746 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 747 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 748 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 749 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 750 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 751 752 /* Some per-client initializers */ 753 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 754 ESA_SRC3_DIRECTION_OFFSET + 12, adc_data + 40 + 8); 755 /* Tell it which way DMA is going */ 756 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 757 ESA_CDATA_DMA_CONTROL, 758 ESA_DMACONTROL_DIRECTION + ESA_DMACONTROL_AUTOREPEAT + 759 ESA_DMAC_PAGE3_SELECTOR + ESA_DMAC_BLOCKF_SELECTOR); 760 761 /* Set an armload of static initializers */ 762 for (i = 0; i < (sizeof(esa_recvals) / sizeof(esa_recvals[0])); i++) 763 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 764 esa_recvals[i].addr, esa_recvals[i].val); 765 766 /* Put us in the packed task lists */ 767 esa_add_list(vc, &sc->adc1_list, adc_data >> ESA_DP_SHIFT_COUNT, 768 vc->index + ESA_NUM_VOICES); 769 esa_add_list(vc, &sc->msrc_list, adc_data >> ESA_DP_SHIFT_COUNT, 770 vc->index + ESA_NUM_VOICES); 771 esa_add_list(vc, &sc->dma_list, adc_data >> ESA_DP_SHIFT_COUNT, 772 vc->index + ESA_NUM_VOICES); 773 #undef LO 774 #undef HI 775 776 /* XXX */ 777 //esa_commit_settings(vc); 778 779 sc->sc_ntimers++; 780 if (sc->sc_ntimers == 1) { 781 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 782 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 783 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 784 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 785 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 786 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 787 data | ESA_CLKRUN_GEN_ENABLE); 788 } 789 790 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 791 ESA_CDATA_INSTANCE_READY, 1); 792 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 793 1); 794 795 return (0); 796 } 797 798 /* Interrupt handler */ 799 800 int 801 esa_intr(void *hdl) 802 { 803 struct esa_softc *sc = hdl; 804 struct esa_voice *vc; 805 bus_space_tag_t iot = sc->sc_iot; 806 bus_space_handle_t ioh = sc->sc_ioh; 807 u_int8_t status; 808 u_int32_t pos; 809 u_int32_t diff; 810 u_int32_t blksize; 811 int i; 812 813 status = bus_space_read_1(iot, ioh, ESA_HOST_INT_STATUS); 814 if (status == 0xff) 815 return (0); 816 817 /* ack the interrupt */ 818 bus_space_write_1(iot, ioh, ESA_HOST_INT_STATUS, status); 819 820 if (status & ESA_HV_INT_PENDING) { 821 u_int8_t event; 822 823 printf("%s: hardware volume interrupt\n", sc->sc_dev.dv_xname); 824 event = bus_space_read_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER); 825 switch(event) { 826 case 0x99: 827 case 0xaa: 828 case 0x66: 829 case 0x88: 830 printf("%s: esa_intr: FIXME\n", sc->sc_dev.dv_xname); 831 break; 832 default: 833 printf("%s: unknown hwvol event 0x%02x\n", 834 sc->sc_dev.dv_xname, event); 835 break; 836 } 837 bus_space_write_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER, 0x88); 838 } 839 840 if ((status & ESA_ASSP_INT_PENDING) == 0 || 841 (bus_space_read_1(iot, ioh, 842 ESA_ASSP_CONTROL_B) & ESA_STOP_ASSP_CLOCK) != 0 || 843 (bus_space_read_1(iot, ioh, 844 ESA_ASSP_HOST_INT_STATUS) & ESA_DSP2HOST_REQ_TIMER) == 0) 845 return (1); 846 847 bus_space_write_1(iot, ioh, ESA_ASSP_HOST_INT_STATUS, 848 ESA_DSP2HOST_REQ_TIMER); 849 850 for (i = 0; i < ESA_NUM_VOICES; i++) { 851 vc = &sc->voice[i]; 852 853 if (vc->play.active) { 854 pos = esa_get_pointer(sc, &vc->play) % vc->play.bufsize; 855 diff = (vc->play.bufsize + pos - vc->play.pos) % 856 vc->play.bufsize; 857 858 vc->play.pos = pos; 859 vc->play.count += diff; 860 blksize = vc->play.blksize; 861 862 while(vc->play.count >= blksize) { 863 vc->play.count -= blksize; 864 (*vc->play.intr)(vc->play.arg); 865 } 866 } 867 868 if (vc->rec.active) { 869 pos = esa_get_pointer(sc, &vc->rec) % vc->rec.bufsize; 870 diff = (vc->rec.bufsize + pos - vc->rec.pos) % 871 vc->rec.bufsize; 872 873 vc->rec.pos = pos; 874 vc->rec.count += diff; 875 blksize = vc->rec.blksize; 876 877 while(vc->rec.count >= blksize) { 878 vc->rec.count -= blksize; 879 (*vc->rec.intr)(vc->rec.arg); 880 } 881 } 882 } 883 884 return (1); 885 } 886 887 int 888 esa_allocmem(struct esa_softc *sc, size_t size, size_t align, 889 struct esa_dma *p) 890 { 891 int error; 892 893 p->size = size; 894 error = bus_dmamem_alloc(sc->sc_dmat, p->size, align, 0, 895 p->segs, sizeof(p->segs) / sizeof(p->segs[0]), 896 &p->nsegs, BUS_DMA_NOWAIT); 897 if (error) 898 return (error); 899 900 error = bus_dmamem_map(sc->sc_dmat, p->segs, p->nsegs, p->size, 901 &p->addr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT); 902 if (error) 903 goto free; 904 905 error = bus_dmamap_create(sc->sc_dmat, p->size, 1, p->size, 0, 906 BUS_DMA_NOWAIT, &p->map); 907 if (error) 908 goto unmap; 909 910 error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, p->size, NULL, 911 BUS_DMA_NOWAIT); 912 if (error) 913 goto destroy; 914 915 return (0); 916 917 destroy: 918 bus_dmamap_destroy(sc->sc_dmat, p->map); 919 unmap: 920 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 921 free: 922 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 923 924 return (error); 925 } 926 927 int 928 esa_freemem(struct esa_softc *sc, struct esa_dma *p) 929 { 930 931 bus_dmamap_unload(sc->sc_dmat, p->map); 932 bus_dmamap_destroy(sc->sc_dmat, p->map); 933 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 934 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 935 936 return (0); 937 } 938 939 /* 940 * Supporting Subroutines 941 */ 942 943 int 944 esa_match(struct device *dev, struct cfdata *match, void *aux) 945 { 946 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 947 948 switch(PCI_VENDOR(pa->pa_id)) { 949 case PCI_VENDOR_ESSTECH: 950 switch(PCI_PRODUCT(pa->pa_id)) { 951 case PCI_PRODUCT_ESSTECH_ALLEGRO1: 952 case PCI_PRODUCT_ESSTECH_MAESTRO3: 953 case PCI_PRODUCT_ESSTECH_MAESTRO3_2: 954 return (1); 955 } 956 } 957 958 return (0); 959 } 960 961 void 962 esa_attach(struct device *parent, struct device *self, void *aux) 963 { 964 struct esa_softc *sc = (struct esa_softc *)self; 965 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 966 pcitag_t tag = pa->pa_tag; 967 pci_chipset_tag_t pc = pa->pa_pc; 968 pci_intr_handle_t ih; 969 struct esa_card_type *card; 970 const char *intrstr; 971 u_int32_t data; 972 char devinfo[256]; 973 int revision, len; 974 int i; 975 976 aprint_naive(": Audio controller\n"); 977 978 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo)); 979 revision = PCI_REVISION(pa->pa_class); 980 aprint_normal(": %s (rev. 0x%02x)\n", devinfo, revision); 981 982 for (card = esa_card_types; card->pci_vendor_id; card++) 983 if (PCI_VENDOR(pa->pa_id) == card->pci_vendor_id && 984 PCI_PRODUCT(pa->pa_id) == card->pci_product_id) { 985 sc->type = card->type; 986 sc->delay1 = card->delay1; 987 sc->delay2 = card->delay2; 988 break; 989 } 990 991 data = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG); 992 data |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE 993 | PCI_COMMAND_MASTER_ENABLE); 994 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, data); 995 996 /* Map I/O register */ 997 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 998 &sc->sc_iot, &sc->sc_ioh, &sc->sc_iob, &sc->sc_ios)) { 999 aprint_error("%s: can't map i/o space\n", sc->sc_dev.dv_xname); 1000 return; 1001 } 1002 1003 /* Initialize softc */ 1004 sc->sc_tag = tag; 1005 sc->sc_pct = pc; 1006 sc->sc_dmat = pa->pa_dmat; 1007 1008 /* Map and establish an interrupt */ 1009 if (pci_intr_map(pa, &ih)) { 1010 aprint_error("%s: can't map interrupt\n", sc->sc_dev.dv_xname); 1011 return; 1012 } 1013 intrstr = pci_intr_string(pc, ih); 1014 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, esa_intr, self); 1015 if (sc->sc_ih == NULL) { 1016 aprint_error("%s: can't establish interrupt", 1017 sc->sc_dev.dv_xname); 1018 if (intrstr != NULL) 1019 aprint_normal(" at %s", intrstr); 1020 aprint_normal("\n"); 1021 return; 1022 } 1023 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 1024 1025 /* Power up chip */ 1026 esa_power(sc, PCI_PMCSR_STATE_D0); 1027 1028 /* Init chip */ 1029 if (esa_init(sc) == -1) { 1030 aprint_error("%s: esa_attach: unable to initialize the card\n", 1031 sc->sc_dev.dv_xname); 1032 return; 1033 } 1034 1035 /* create suspend save area */ 1036 len = sizeof(u_int16_t) * (ESA_REV_B_CODE_MEMORY_LENGTH 1037 + ESA_REV_B_DATA_MEMORY_LENGTH + 1); 1038 sc->savemem = (u_int16_t *)malloc(len, M_DEVBUF, M_NOWAIT | M_ZERO); 1039 if (sc->savemem == NULL) { 1040 aprint_error("%s: unable to allocate suspend buffer\n", 1041 sc->sc_dev.dv_xname); 1042 return; 1043 } 1044 1045 /* 1046 * Every card I've seen has had their channels swapped with respect 1047 * to the mixer. Ie: 1048 * $ mixerctl -w outputs.master=0,191 1049 * Would result in the _right_ speaker being turned off. 1050 * 1051 * So, we will swap the left and right mixer channels to compensate 1052 * for this. 1053 */ 1054 sc->codec_flags = AC97_HOST_SWAPPED_CHANNELS; 1055 1056 /* Attach AC97 host interface */ 1057 sc->host_if.arg = self; 1058 sc->host_if.attach = esa_attach_codec; 1059 sc->host_if.read = esa_read_codec; 1060 sc->host_if.write = esa_write_codec; 1061 sc->host_if.reset = esa_reset_codec; 1062 sc->host_if.flags = esa_flags_codec; 1063 1064 if (ac97_attach(&sc->host_if, self) != 0) 1065 return; 1066 1067 /* initialize list management structures */ 1068 sc->mixer_list.mem_addr = ESA_KDATA_MIXER_XFER0; 1069 sc->mixer_list.max = ESA_MAX_VIRTUAL_MIXER_CHANNELS; 1070 sc->adc1_list.mem_addr = ESA_KDATA_ADC1_XFER0; 1071 sc->adc1_list.max = ESA_MAX_VIRTUAL_ADC1_CHANNELS; 1072 sc->dma_list.mem_addr = ESA_KDATA_DMA_XFER0; 1073 sc->dma_list.max = ESA_MAX_VIRTUAL_DMA_CHANNELS; 1074 sc->msrc_list.mem_addr = ESA_KDATA_INSTANCE0_MINISRC; 1075 sc->msrc_list.max = ESA_MAX_INSTANCE_MINISRC; 1076 1077 /* initialize index maps */ 1078 for (i = 0; i < ESA_NUM_VOICES * 2; i++) { 1079 sc->mixer_list.indexmap[i] = -1; 1080 sc->msrc_list.indexmap[i] = -1; 1081 sc->dma_list.indexmap[i] = -1; 1082 sc->adc1_list.indexmap[i] = -1; 1083 } 1084 for (i = 0; i < ESA_NUM_VOICES; i++) { 1085 sc->voice[i].parent = (struct device *)sc; 1086 sc->voice[i].index = i; 1087 sc->sc_audiodev[i] = 1088 audio_attach_mi(&esa_hw_if, &sc->voice[i], &sc->sc_dev); 1089 } 1090 1091 sc->powerhook = powerhook_establish(esa_powerhook, sc); 1092 if (sc->powerhook == NULL) 1093 aprint_error("%s: WARNING: unable to establish powerhook\n", 1094 sc->sc_dev.dv_xname); 1095 1096 return; 1097 } 1098 1099 int 1100 esa_detach(struct device *self, int flags) 1101 { 1102 struct esa_softc *sc = (struct esa_softc *)self; 1103 int i; 1104 1105 for (i = 0; i < ESA_NUM_VOICES; i++) { 1106 if (sc->sc_audiodev[i] != NULL) 1107 config_detach(sc->sc_audiodev[i], flags); 1108 } 1109 1110 if (sc->sc_ih != NULL) 1111 pci_intr_disestablish(sc->sc_pct, sc->sc_ih); 1112 if (sc->sc_ios) 1113 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 1114 1115 free(sc->savemem, M_DEVBUF); 1116 1117 return (0); 1118 } 1119 1120 u_int16_t 1121 esa_read_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index) 1122 { 1123 u_int16_t data; 1124 bus_space_tag_t iot = sc->sc_iot; 1125 bus_space_handle_t ioh = sc->sc_ioh; 1126 1127 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1128 region & ESA_MEMTYPE_MASK); 1129 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1130 data = bus_space_read_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA); 1131 1132 return (data); 1133 } 1134 1135 void 1136 esa_write_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index, 1137 u_int16_t data) 1138 { 1139 bus_space_tag_t iot = sc->sc_iot; 1140 bus_space_handle_t ioh = sc->sc_ioh; 1141 1142 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1143 region & ESA_MEMTYPE_MASK); 1144 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1145 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA, data); 1146 1147 return; 1148 } 1149 1150 int 1151 esa_init_codec(struct esa_softc *sc) 1152 { 1153 bus_space_tag_t iot = sc->sc_iot; 1154 bus_space_handle_t ioh = sc->sc_ioh; 1155 u_int32_t data; 1156 1157 data = bus_space_read_1(iot, ioh, ESA_CODEC_COMMAND); 1158 1159 return ((data & 0x1) ? 0 : 1); 1160 } 1161 1162 int 1163 esa_attach_codec(void *aux, struct ac97_codec_if *codec_if) 1164 { 1165 struct esa_softc *sc = aux; 1166 1167 sc->codec_if = codec_if; 1168 1169 return (0); 1170 } 1171 1172 int 1173 esa_read_codec(void *aux, u_int8_t reg, u_int16_t *result) 1174 { 1175 struct esa_softc *sc = aux; 1176 bus_space_tag_t iot = sc->sc_iot; 1177 bus_space_handle_t ioh = sc->sc_ioh; 1178 1179 if (esa_wait(sc)) 1180 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1181 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, (reg & 0x7f) | 0x80); 1182 delay(50); 1183 if (esa_wait(sc)) 1184 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1185 *result = bus_space_read_2(iot, ioh, ESA_CODEC_DATA); 1186 1187 return (0); 1188 } 1189 1190 int 1191 esa_write_codec(void *aux, u_int8_t reg, u_int16_t data) 1192 { 1193 struct esa_softc *sc = aux; 1194 bus_space_tag_t iot = sc->sc_iot; 1195 bus_space_handle_t ioh = sc->sc_ioh; 1196 1197 if (esa_wait(sc)) { 1198 printf("%s: esa_write_codec: timed out\n", sc->sc_dev.dv_xname); 1199 return (-1); 1200 } 1201 bus_space_write_2(iot, ioh, ESA_CODEC_DATA, data); 1202 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, reg & 0x7f); 1203 delay(50); 1204 1205 return (0); 1206 } 1207 1208 int 1209 esa_reset_codec(void *aux) 1210 { 1211 1212 return 0; 1213 } 1214 1215 enum ac97_host_flags 1216 esa_flags_codec(void *aux) 1217 { 1218 struct esa_softc *sc = aux; 1219 1220 return (sc->codec_flags); 1221 } 1222 1223 int 1224 esa_wait(struct esa_softc *sc) 1225 { 1226 int i, val; 1227 bus_space_tag_t iot = sc->sc_iot; 1228 bus_space_handle_t ioh = sc->sc_ioh; 1229 1230 for (i = 0; i < 20; i++) { 1231 val = bus_space_read_1(iot, ioh, ESA_CODEC_STATUS); 1232 if ((val & 1) == 0) 1233 return (0); 1234 delay(2); 1235 } 1236 1237 return (-1); 1238 } 1239 1240 int 1241 esa_init(struct esa_softc *sc) 1242 { 1243 struct esa_voice *vc; 1244 bus_space_tag_t iot = sc->sc_iot; 1245 bus_space_handle_t ioh = sc->sc_ioh; 1246 pcitag_t tag = sc->sc_tag; 1247 pci_chipset_tag_t pc = sc->sc_pct; 1248 u_int32_t data, i, size; 1249 u_int8_t reset_state; 1250 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 1251 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 1252 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 1253 &~ 255; 1254 1255 /* Disable legacy emulation */ 1256 data = pci_conf_read(pc, tag, PCI_LEGACY_AUDIO_CTRL); 1257 data |= DISABLE_LEGACY; 1258 pci_conf_write(pc, tag, PCI_LEGACY_AUDIO_CTRL, data); 1259 1260 esa_config(sc); 1261 1262 reset_state = esa_assp_halt(sc); 1263 1264 esa_init_codec(sc); 1265 esa_codec_reset(sc); 1266 1267 /* Zero kernel and mixer data */ 1268 size = ESA_REV_B_DATA_MEMORY_UNIT_LENGTH * ESA_NUM_UNITS_KERNEL_DATA; 1269 for (i = 0; i < size / 2; i++) { 1270 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1271 ESA_KDATA_BASE_ADDR + i, 0); 1272 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1273 ESA_KDATA_BASE_ADDR2 + i, 0); 1274 } 1275 1276 /* Init DMA pointer */ 1277 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_CURRENT_DMA, 1278 ESA_KDATA_DMA_XFER0); 1279 1280 /* Write kernel code into memory */ 1281 size = sizeof(esa_assp_kernel_image); 1282 for (i = 0; i < size / 2; i++) 1283 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1284 ESA_REV_B_CODE_MEMORY_BEGIN + i, esa_assp_kernel_image[i]); 1285 1286 size = sizeof(esa_assp_minisrc_image); 1287 for (i = 0; i < size / 2; i++) 1288 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 0x400 + i, 1289 esa_assp_minisrc_image[i]); 1290 1291 /* Write the coefficients for the low pass filter */ 1292 size = sizeof(esa_minisrc_lpf_image); 1293 for (i = 0; i < size / 2; i++) 1294 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1295 0x400 + ESA_MINISRC_COEF_LOC + i, esa_minisrc_lpf_image[i]); 1296 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1297 0x400 + ESA_MINISRC_COEF_LOC + size, 0x8000); 1298 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TASK0, 0x400); 1299 /* Init the mixer number */ 1300 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1301 ESA_KDATA_MIXER_TASK_NUMBER, 0); 1302 /* Extreme kernel master volume */ 1303 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1304 ESA_KDATA_DAC_LEFT_VOLUME, ESA_ARB_VOLUME); 1305 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1306 ESA_KDATA_DAC_RIGHT_VOLUME, ESA_ARB_VOLUME); 1307 1308 if (esa_amp_enable(sc)) 1309 return (-1); 1310 1311 /* Zero entire DAC/ADC area */ 1312 for (i = 0x1100; i < 0x1c00; i++) 1313 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 0); 1314 1315 /* set some sane defaults */ 1316 for (i = 0; i < ESA_NUM_VOICES; i++) { 1317 vc = &sc->voice[i]; 1318 vc->play.data_offset = ESA_DAC_DATA + (data_bytes * i); 1319 vc->rec.data_offset = ESA_DAC_DATA + (data_bytes * i * 2); 1320 } 1321 1322 esa_enable_interrupts(sc); 1323 1324 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1325 reset_state | ESA_REGB_ENABLE_RESET); 1326 1327 return (0); 1328 } 1329 1330 void 1331 esa_config(struct esa_softc *sc) 1332 { 1333 bus_space_tag_t iot = sc->sc_iot; 1334 bus_space_handle_t ioh = sc->sc_ioh; 1335 pcitag_t tag = sc->sc_tag; 1336 pci_chipset_tag_t pc = sc->sc_pct; 1337 u_int32_t data; 1338 1339 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1340 data &= ESA_REDUCED_DEBOUNCE; 1341 data |= ESA_PM_CTRL_ENABLE | ESA_CLK_DIV_BY_49 | ESA_USE_PCI_TIMING; 1342 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1343 1344 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RESET_ASSP); 1345 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1346 data &= ~ESA_INT_CLK_SELECT; 1347 if (sc->type == ESS_MAESTRO3) { 1348 data &= ~ESA_INT_CLK_MULT_ENABLE; 1349 data |= ESA_INT_CLK_SRC_NOT_PCI; 1350 } 1351 data &= ~(ESA_CLK_MULT_MODE_SELECT | ESA_CLK_MULT_MODE_SELECT_2); 1352 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1353 1354 if (sc->type == ESS_ALLEGRO1) { 1355 data = pci_conf_read(pc, tag, ESA_PCI_USER_CONFIG); 1356 data |= ESA_IN_CLK_12MHZ_SELECT; 1357 pci_conf_write(pc, tag, ESA_PCI_USER_CONFIG, data); 1358 } 1359 1360 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_A); 1361 data &= ~(ESA_DSP_CLK_36MHZ_SELECT | ESA_ASSP_CLK_49MHZ_SELECT); 1362 data |= ESA_ASSP_CLK_49MHZ_SELECT; /* XXX: Assumes 49MHz DSP */ 1363 data |= ESA_ASSP_0_WS_ENABLE; 1364 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_A, data); 1365 1366 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RUN_ASSP); 1367 1368 return; 1369 } 1370 1371 u_int8_t 1372 esa_assp_halt(struct esa_softc *sc) 1373 { 1374 bus_space_tag_t iot = sc->sc_iot; 1375 bus_space_handle_t ioh = sc->sc_ioh; 1376 u_int8_t data, reset_state; 1377 1378 data = bus_space_read_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B); 1379 reset_state = data & ~ESA_REGB_STOP_CLOCK; 1380 delay(10000); /* XXX use tsleep */ 1381 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1382 reset_state & ~ESA_REGB_ENABLE_RESET); 1383 delay(10000); /* XXX use tsleep */ 1384 1385 return (reset_state); 1386 } 1387 1388 void 1389 esa_codec_reset(struct esa_softc *sc) 1390 { 1391 bus_space_tag_t iot = sc->sc_iot; 1392 bus_space_handle_t ioh = sc->sc_ioh; 1393 u_int16_t data, dir; 1394 int retry = 0; 1395 1396 do { 1397 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1398 dir = data | 0x10; /* assuming pci bus master? */ 1399 1400 /* remote codec config */ 1401 data = bus_space_read_2(iot, ioh, ESA_RING_BUS_CTRL_B); 1402 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_B, 1403 data & ~ESA_SECOND_CODEC_ID_MASK); 1404 data = bus_space_read_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL); 1405 bus_space_write_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL, 1406 data & ~ESA_COMMAND_ADDR_OUT); 1407 data = bus_space_read_2(iot, ioh, ESA_SDO_IN_DEST_CTRL); 1408 bus_space_write_2(iot, ioh, ESA_SDO_IN_DEST_CTRL, 1409 data & ~ESA_STATUS_ADDR_IN); 1410 1411 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1412 ESA_IO_SRAM_ENABLE); 1413 delay(20); 1414 1415 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1416 dir & ~ESA_GPO_PRIMARY_AC97); 1417 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, 1418 ~ESA_GPO_PRIMARY_AC97); 1419 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 0); 1420 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1421 dir | ESA_GPO_PRIMARY_AC97); 1422 delay(sc->delay1 * 1000); 1423 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 1424 ESA_GPO_PRIMARY_AC97); 1425 delay(5); 1426 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1427 ESA_IO_SRAM_ENABLE | ESA_SERIAL_AC_LINK_ENABLE); 1428 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1429 delay(sc->delay2 * 1000); 1430 1431 esa_read_codec(sc, 0x7c, &data); 1432 if ((data == 0) || (data == 0xffff)) { 1433 retry++; 1434 if (retry > 3) { 1435 printf("%s: esa_codec_reset: failed\n", 1436 sc->sc_dev.dv_xname); 1437 break; 1438 } 1439 printf("%s: esa_codec_reset: retrying\n", 1440 sc->sc_dev.dv_xname); 1441 } else 1442 retry = 0; 1443 } while (retry); 1444 1445 return; 1446 } 1447 1448 int 1449 esa_amp_enable(struct esa_softc *sc) 1450 { 1451 bus_space_tag_t iot = sc->sc_iot; 1452 bus_space_handle_t ioh = sc->sc_ioh; 1453 u_int32_t gpo, polarity_port, polarity; 1454 u_int16_t data; 1455 1456 switch (sc->type) { 1457 case ESS_ALLEGRO1: 1458 polarity_port = 0x1800; 1459 break; 1460 case ESS_MAESTRO3: 1461 polarity_port = 0x1100; 1462 break; 1463 default: 1464 printf("%s: esa_amp_enable: Unknown chip type!!!\n", 1465 sc->sc_dev.dv_xname); 1466 return (1); 1467 } 1468 1469 gpo = (polarity_port >> 8) & 0x0f; 1470 polarity = polarity_port >> 12; 1471 polarity = !polarity; /* Enable */ 1472 polarity = polarity << gpo; 1473 gpo = 1 << gpo; 1474 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~gpo); 1475 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1476 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, data | gpo); 1477 data = ESA_GPO_SECONDARY_AC97 | ESA_GPO_PRIMARY_AC97 | polarity; 1478 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, data); 1479 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1480 1481 return (0); 1482 } 1483 1484 void 1485 esa_enable_interrupts(struct esa_softc *sc) 1486 { 1487 bus_space_tag_t iot = sc->sc_iot; 1488 bus_space_handle_t ioh = sc->sc_ioh; 1489 u_int8_t data; 1490 1491 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 1492 ESA_ASSP_INT_ENABLE | ESA_HV_INT_ENABLE); 1493 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_C); 1494 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 1495 data | ESA_ASSP_HOST_INT_ENABLE); 1496 } 1497 1498 /* 1499 * List management 1500 */ 1501 int 1502 esa_add_list(struct esa_voice *vc, struct esa_list *el, 1503 u_int16_t val, int index) 1504 { 1505 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1506 1507 el->indexmap[index] = el->currlen; 1508 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1509 el->mem_addr + el->currlen, 1510 val); 1511 1512 return (el->currlen++); 1513 } 1514 1515 void 1516 esa_remove_list(struct esa_voice *vc, struct esa_list *el, int index) 1517 { 1518 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1519 u_int16_t val; 1520 int lastindex = el->currlen - 1; 1521 int vindex = el->indexmap[index]; 1522 int i; 1523 1524 /* reset our virtual index */ 1525 el->indexmap[index] = -1; 1526 1527 if (vindex != lastindex) { 1528 val = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1529 el->mem_addr + lastindex); 1530 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1531 el->mem_addr + vindex, 1532 val); 1533 for (i = 0; i < ESA_NUM_VOICES * 2; i++) 1534 if (el->indexmap[i] == lastindex) 1535 break; 1536 if (i >= ESA_NUM_VOICES * 2) 1537 printf("%s: esa_remove_list: invalid task index\n", 1538 sc->sc_dev.dv_xname); 1539 else 1540 el->indexmap[i] = vindex; 1541 } 1542 1543 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1544 el->mem_addr + lastindex, 0); 1545 el->currlen--; 1546 1547 return; 1548 } 1549 1550 int 1551 esa_power(struct esa_softc *sc, int state) 1552 { 1553 pcitag_t tag = sc->sc_tag; 1554 pci_chipset_tag_t pc = sc->sc_pct; 1555 pcireg_t data; 1556 int pmcapreg; 1557 1558 if (pci_get_capability(pc, tag, PCI_CAP_PWRMGMT, &pmcapreg, 0)) { 1559 data = pci_conf_read(pc, tag, pmcapreg + PCI_PMCSR); 1560 if ((data & PCI_PMCSR_STATE_MASK) != state) 1561 pci_conf_write(pc, tag, pmcapreg + PCI_PMCSR, state); 1562 } 1563 1564 return (0); 1565 } 1566 1567 void 1568 esa_powerhook(int why, void *hdl) 1569 { 1570 struct esa_softc *sc = (struct esa_softc *)hdl; 1571 1572 switch (why) { 1573 case PWR_SUSPEND: 1574 case PWR_STANDBY: 1575 esa_suspend(sc); 1576 break; 1577 case PWR_RESUME: 1578 esa_resume(sc); 1579 (sc->codec_if->vtbl->restore_ports)(sc->codec_if); 1580 break; 1581 } 1582 } 1583 1584 int 1585 esa_suspend(struct esa_softc *sc) 1586 { 1587 bus_space_tag_t iot = sc->sc_iot; 1588 bus_space_handle_t ioh = sc->sc_ioh; 1589 int i, index; 1590 1591 index = 0; 1592 1593 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 0); 1594 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 0); 1595 1596 esa_assp_halt(sc); 1597 1598 /* Save ASSP state */ 1599 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1600 i++) 1601 sc->savemem[index++] = esa_read_assp(sc, 1602 ESA_MEMTYPE_INTERNAL_CODE, i); 1603 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1604 i++) 1605 sc->savemem[index++] = esa_read_assp(sc, 1606 ESA_MEMTYPE_INTERNAL_DATA, i); 1607 1608 esa_power(sc, PCI_PMCSR_STATE_D3); 1609 1610 return (0); 1611 } 1612 1613 int 1614 esa_resume(struct esa_softc *sc) { 1615 bus_space_tag_t iot = sc->sc_iot; 1616 bus_space_handle_t ioh = sc->sc_ioh; 1617 int i, index; 1618 u_int8_t reset_state; 1619 1620 index = 0; 1621 1622 esa_power(sc, PCI_PMCSR_STATE_D0); 1623 delay(10000); 1624 1625 esa_config(sc); 1626 1627 reset_state = esa_assp_halt(sc); 1628 1629 esa_codec_reset(sc); 1630 1631 /* restore ASSP */ 1632 for (i = ESA_REV_B_CODE_MEMORY_BEGIN; i <= ESA_REV_B_CODE_MEMORY_END; 1633 i++) 1634 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, i, 1635 sc->savemem[index++]); 1636 for (i = ESA_REV_B_DATA_MEMORY_BEGIN; i <= ESA_REV_B_DATA_MEMORY_END; 1637 i++) 1638 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 1639 sc->savemem[index++]); 1640 1641 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_ACTIVE, 0); 1642 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1643 reset_state | ESA_REGB_ENABLE_RESET); 1644 1645 esa_enable_interrupts(sc); 1646 esa_amp_enable(sc); 1647 1648 return (0); 1649 } 1650 1651 u_int32_t 1652 esa_get_pointer(struct esa_softc *sc, struct esa_channel *ch) 1653 { 1654 u_int16_t hi = 0, lo = 0; 1655 u_int32_t addr; 1656 int data_offset = ch->data_offset; 1657 1658 hi = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1659 ESA_CDATA_HOST_SRC_CURRENTH); 1660 lo = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1661 ESA_CDATA_HOST_SRC_CURRENTL); 1662 1663 addr = lo | ((u_int32_t)hi << 16); 1664 return (addr - ch->start); 1665 } 1666 1667 paddr_t 1668 esa_mappage(void *addr, void *mem, off_t off, int prot) 1669 { 1670 struct esa_voice *vc = addr; 1671 struct esa_softc *sc = (struct esa_softc *)vc->parent; 1672 struct esa_dma *p; 1673 1674 if (off < 0) 1675 return (-1); 1676 for (p = vc->dma; p && KERNADDR(p) != mem; p = p->next) 1677 ; 1678 if (!p) 1679 return (-1); 1680 return (bus_dmamem_mmap(sc->sc_dmat, p->segs, p->nsegs, 1681 off, prot, BUS_DMA_WAITOK)); 1682 } 1683
Indexes created Sat Sep 20 22:09:52 GMT 2025