esa.c revision 1.3
1 /* $NetBSD: esa.c,v 1.3 2002/01/07 07:33:09 jmcneill Exp $ */ 2 3 /* 4 * Copyright (c) 2001, 2002 Jared D. McNeill <jmcneill (at) invisible.yi.org> 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 35 #include <sys/types.h> 36 #include <sys/errno.h> 37 #include <sys/null.h> 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/malloc.h> 41 #include <sys/device.h> 42 #include <sys/conf.h> 43 #include <sys/exec.h> 44 #include <sys/select.h> 45 #include <sys/audioio.h> 46 47 #include <machine/bus.h> 48 #include <machine/intr.h> 49 50 #include <dev/pci/pcidevs.h> 51 #include <dev/pci/pcivar.h> 52 53 #include <dev/audio_if.h> 54 #include <dev/mulaw.h> 55 #include <dev/auconv.h> 56 #include <dev/ic/ac97var.h> 57 #include <dev/ic/ac97reg.h> 58 59 60 #include <dev/pci/esareg.h> 61 #include <dev/pci/esadsp.h> 62 #include <dev/pci/esavar.h> 63 64 #define PCI_CBIO 0x10 65 66 #define ESA_DAC_DATA 0x1100 67 68 enum { 69 ESS_ALLEGRO1, 70 ESS_MAESTRO3 71 }; 72 73 static struct esa_card_type { 74 u_int16_t pci_vendor_id; 75 u_int16_t pci_product_id; 76 int type; 77 int delay1, delay2; 78 } esa_card_types[] = { 79 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_ALLEGRO1, 80 ESS_ALLEGRO1, 50, 800 }, 81 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3, 82 ESS_MAESTRO3, 20, 500 }, 83 { PCI_VENDOR_ESSTECH, PCI_PRODUCT_ESSTECH_MAESTRO3_2, 84 ESS_MAESTRO3, 20, 500 }, 85 { 0, 0, 0, 0, 0 } 86 }; 87 88 struct audio_device esa_device = { 89 "ESS Allegro", 90 "", 91 "esa" 92 }; 93 94 int esa_match(struct device *, struct cfdata *, void *); 95 void esa_attach(struct device *, struct device *, void *); 96 int esa_detach(struct device *, int); 97 98 /* audio(9) functions */ 99 int esa_open(void *, int); 100 void esa_close(void *); 101 int esa_query_encoding(void *, struct audio_encoding *); 102 int esa_set_params(void *, int, int, struct audio_params *, 103 struct audio_params *); 104 int esa_round_blocksize(void *, int); 105 int esa_init_output(void *, void *, int); 106 int esa_halt_output(void *); 107 int esa_halt_input(void *); 108 int esa_set_port(void *, mixer_ctrl_t *); 109 int esa_get_port(void *, mixer_ctrl_t *); 110 int esa_query_devinfo(void *, mixer_devinfo_t *); 111 void * esa_malloc(void *, int, size_t, int, int); 112 void esa_free(void *, void *, int); 113 int esa_getdev(void *, struct audio_device *); 114 size_t esa_round_buffersize(void *, int, size_t); 115 int esa_get_props(void *); 116 int esa_trigger_output(void *, void *, void *, int, 117 void (*)(void *), void *, 118 struct audio_params *); 119 int esa_trigger_input(void *, void *, void *, int, 120 void (*)(void *), void *, 121 struct audio_params *); 122 123 int esa_intr(void *); 124 int esa_allocmem(struct esa_softc *, size_t, size_t, 125 struct esa_dma *); 126 int esa_freemem(struct esa_softc *, struct esa_dma *); 127 paddr_t esa_mappage(void *addr, void *mem, off_t off, int prot); 128 129 /* Supporting subroutines */ 130 u_int16_t esa_read_assp(struct esa_softc *, u_int16_t, u_int16_t); 131 void esa_write_assp(struct esa_softc *, u_int16_t, u_int16_t, 132 u_int16_t); 133 int esa_init_codec(struct esa_softc *); 134 int esa_attach_codec(void *, struct ac97_codec_if *); 135 int esa_read_codec(void *, u_int8_t, u_int16_t *); 136 int esa_write_codec(void *, u_int8_t, u_int16_t); 137 void esa_reset_codec(void *); 138 enum ac97_host_flags esa_flags_codec(void *); 139 int esa_wait(struct esa_softc *); 140 int esa_init(struct esa_softc *); 141 void esa_config(struct esa_softc *); 142 u_int8_t esa_assp_halt(struct esa_softc *); 143 void esa_codec_reset(struct esa_softc *); 144 int esa_amp_enable(struct esa_softc *); 145 void esa_enable_interrupts(struct esa_softc *); 146 int esa_power(struct esa_softc *, int); 147 u_int32_t esa_get_pointer(struct esa_softc *, struct esa_channel *); 148 149 struct device * audio_attach_mi_lkm(struct audio_hw_if *, void *, 150 struct device *); 151 152 static audio_encoding_t esa_encoding[] = { 153 { 0, AudioEulinear, AUDIO_ENCODING_ULINEAR, 8, 0 }, 154 { 1, AudioEmulaw, AUDIO_ENCODING_ULAW, 8, 155 AUDIO_ENCODINGFLAG_EMULATED }, 156 { 2, AudioEalaw, AUDIO_ENCODING_ALAW, 8, AUDIO_ENCODINGFLAG_EMULATED }, 157 { 3, AudioEslinear, AUDIO_ENCODING_SLINEAR, 8, 158 AUDIO_ENCODINGFLAG_EMULATED }, /* XXX: Are you sure? */ 159 { 4, AudioEslinear_le, AUDIO_ENCODING_SLINEAR_LE, 16, 0 }, 160 { 5, AudioEulinear_le, AUDIO_ENCODING_ULINEAR_LE, 16, 161 AUDIO_ENCODINGFLAG_EMULATED }, 162 { 6, AudioEslinear_be, AUDIO_ENCODING_SLINEAR_BE, 16, 163 AUDIO_ENCODINGFLAG_EMULATED }, 164 { 7, AudioEulinear_be, AUDIO_ENCODING_ULINEAR_BE, 16, 165 AUDIO_ENCODINGFLAG_EMULATED } 166 }; 167 168 #define ESA_NENCODINGS 8 169 170 struct audio_hw_if esa_hw_if = { 171 esa_open, 172 esa_close, 173 NULL, /* drain */ 174 esa_query_encoding, 175 esa_set_params, 176 esa_round_blocksize, 177 NULL, /* commit_settings */ 178 esa_init_output, 179 NULL, /* esa_init_input */ 180 NULL, /* start_output */ 181 NULL, /* start_input */ 182 esa_halt_output, 183 esa_halt_input, 184 NULL, /* speaker_ctl */ 185 esa_getdev, 186 NULL, /* getfd */ 187 esa_set_port, 188 esa_get_port, 189 esa_query_devinfo, 190 esa_malloc, 191 esa_free, 192 esa_round_buffersize, 193 esa_mappage, 194 esa_get_props, 195 esa_trigger_output, 196 esa_trigger_input 197 }; 198 199 struct cfattach esa_ca = { 200 sizeof(struct esa_softc), esa_match, esa_attach, 201 esa_detach, /*esa_activate*/ NULL 202 }; 203 204 /* 205 * audio(9) functions 206 */ 207 208 int 209 esa_open(void *hdl, int flags) 210 { 211 212 return (0); 213 } 214 215 void 216 esa_close(void *hdl) 217 { 218 219 return; 220 } 221 222 int 223 esa_query_encoding(void *hdl, struct audio_encoding *ae) 224 { 225 226 if (ae->index < 0 || ae->index >= ESA_NENCODINGS) 227 return (EINVAL); 228 *ae = esa_encoding[ae->index]; 229 230 return (0); 231 } 232 233 int 234 esa_set_params(void *hdl, int setmode, int usemode, struct audio_params *play, 235 struct audio_params *rec) 236 { 237 struct esa_softc *sc = hdl; 238 struct esa_channel *ch; 239 struct audio_params *p; 240 u_int32_t data; 241 u_int32_t freq; 242 int mode; 243 244 for (mode = AUMODE_RECORD; mode != -1; 245 mode = (mode == AUMODE_RECORD) ? AUMODE_PLAY : -1) { 246 if ((setmode & mode) == 0) 247 continue; 248 249 switch (mode) { 250 case AUMODE_PLAY: 251 p = play; 252 ch = &sc->play; 253 break; 254 case AUMODE_RECORD: 255 p = rec; 256 ch = &sc->rec; 257 break; 258 } 259 260 if (p->sample_rate < ESA_MINRATE || 261 p->sample_rate > ESA_MAXRATE || 262 (p->precision != 8 && p->precision != 16) || 263 (p->channels < 1 && p->channels > 2)) 264 return (EINVAL); 265 266 p->factor = 1; 267 p->sw_code = 0; 268 269 switch(p->encoding) { 270 case AUDIO_ENCODING_SLINEAR_BE: 271 if (p->precision == 16) 272 p->sw_code = swap_bytes; 273 else 274 p->sw_code = change_sign8; 275 break; 276 case AUDIO_ENCODING_SLINEAR_LE: 277 if (p->precision != 16) 278 p->sw_code = change_sign8; 279 break; 280 case AUDIO_ENCODING_ULINEAR_BE: 281 if (p->precision == 16) { 282 if (mode == AUMODE_PLAY) 283 p->sw_code = 284 swap_bytes_change_sign16_le; 285 else 286 p->sw_code = 287 change_sign16_swap_bytes_le; 288 } 289 break; 290 case AUDIO_ENCODING_ULINEAR_LE: 291 if (p->precision == 16) 292 p->sw_code = change_sign16_le; 293 break; 294 case AUDIO_ENCODING_ULAW: 295 if (mode == AUMODE_PLAY) { 296 p->factor = 2; 297 p->sw_code = mulaw_to_slinear16_le; 298 } else 299 p->sw_code = ulinear8_to_mulaw; 300 break; 301 case AUDIO_ENCODING_ALAW: 302 if (mode == AUMODE_PLAY) { 303 p->factor = 2; 304 p->sw_code = alaw_to_slinear16_le; 305 } else 306 p->sw_code = ulinear8_to_alaw; 307 break; 308 default: 309 return (EINVAL); 310 } 311 312 if (p->channels == 1) 313 data = 1; 314 else 315 data = 0; 316 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 317 ch->data_offset + ESA_SRC3_MODE_OFFSET, 318 data); 319 320 if (play->precision * play->factor == 8) 321 data = 1; 322 else 323 data = 0; 324 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 325 ch->data_offset + ESA_SRC3_WORD_LENGTH_OFFSET, 326 data); 327 328 if ((freq = ((p->sample_rate << 15) + 24000) / 48000) != 0) { 329 freq--; 330 } 331 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 332 ch->data_offset + ESA_CDATA_FREQUENCY, freq); 333 } 334 335 return (0); 336 } 337 338 int 339 esa_round_blocksize(void *hdl, int bs) 340 { 341 struct esa_softc *sc = hdl; 342 343 sc->play.blksize = sc->rec.blksize = 4096; 344 345 return (sc->play.blksize); 346 } 347 348 int 349 esa_init_output(void *hdl, void *buffer, int size) 350 { 351 352 return (0); 353 } 354 355 int 356 esa_halt_output(void *hdl) 357 { 358 struct esa_softc *sc = hdl; 359 360 if (sc->play.active == 0) 361 return (0); 362 363 sc->play.active = 0; 364 365 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 366 ESA_KDATA_INSTANCE0_MINISRC, 0); 367 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_XFER0, 0); 368 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_MIXER_XFER0, 0); 369 370 return (0); 371 } 372 373 int 374 esa_halt_input(void *hdl) 375 { 376 struct esa_softc *sc = hdl; 377 bus_space_tag_t iot = sc->sc_iot; 378 bus_space_handle_t ioh = sc->sc_ioh; 379 u_int32_t data; 380 381 if (sc->rec.active == 0) 382 return (0); 383 384 sc->rec.active = 0; 385 386 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 387 ESA_KDATA_TIMER_COUNT_RELOAD, 0); 388 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TIMER_COUNT_CURRENT, 0); 389 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 390 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, data & ~ESA_CLKRUN_GEN_ENABLE); 391 392 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, sc->rec.data_offset + 393 ESA_CDATA_INSTANCE_READY, 0); 394 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 0); 395 396 return (0); 397 } 398 399 void * 400 esa_malloc(void *hdl, int direction, size_t size, int type, int flags) 401 { 402 struct esa_softc *sc = hdl; 403 struct esa_dma *p; 404 int error; 405 406 p = malloc(sizeof(*p), type, flags); 407 if (!p) 408 return (0); 409 error = esa_allocmem(sc, size, 16, p); 410 if (error) { 411 free(p, type); 412 printf("%s: esa_malloc: not enough memory\n", 413 sc->sc_dev.dv_xname); 414 return (0); 415 } 416 p->next = sc->sc_dmas; 417 sc->sc_dmas = p; 418 419 return (KERNADDR(p)); 420 } 421 422 void 423 esa_free(void *hdl, void *addr, int type) 424 { 425 struct esa_softc *sc = hdl; 426 struct esa_dma *p; 427 struct esa_dma **pp; 428 429 for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) 430 if (KERNADDR(p) == addr) { 431 esa_freemem(sc, p); 432 *pp = p->next; 433 free(p, type); 434 return; 435 } 436 } 437 438 int 439 esa_getdev(void *hdl, struct audio_device *ret) 440 { 441 442 *ret = esa_device; 443 444 return (0); 445 } 446 447 int 448 esa_set_port(void *hdl, mixer_ctrl_t *mc) 449 { 450 struct esa_softc *sc = hdl; 451 452 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, mc)); 453 } 454 455 int 456 esa_get_port(void *hdl, mixer_ctrl_t *mc) 457 { 458 struct esa_softc *sc = hdl; 459 460 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, mc)); 461 } 462 463 int 464 esa_query_devinfo(void *hdl, mixer_devinfo_t *di) 465 { 466 struct esa_softc *sc = hdl; 467 468 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, di)); 469 } 470 471 size_t 472 esa_round_buffersize(void *hdl, int direction, size_t bufsize) 473 { 474 struct esa_softc *sc = hdl; 475 476 sc->play.bufsize = sc->rec.bufsize = 65536; 477 478 return (sc->play.bufsize); 479 } 480 481 int 482 esa_get_props(void *hdl) 483 { 484 485 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX); 486 } 487 488 int 489 esa_trigger_output(void *hdl, void *start, void *end, int blksize, 490 void (*intr)(void *), void *intrarg, 491 struct audio_params *param) 492 { 493 struct esa_softc *sc = hdl; 494 struct esa_dma *p; 495 bus_space_tag_t iot = sc->sc_iot; 496 bus_space_handle_t ioh = sc->sc_ioh; 497 u_int32_t data; 498 u_int32_t bufaddr; 499 u_int32_t i; 500 size_t size; 501 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 502 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 503 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 504 &~ 255; 505 int dac_data = ESA_DAC_DATA + data_bytes; 506 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x20 * 2); 507 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x20 * 2); 508 int dsp_in_buf = dac_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 509 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 510 sc->play.data_offset = dac_data; 511 512 if (sc->play.active) 513 return (EINVAL); 514 515 for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next) 516 ; 517 if (!p) { 518 printf("%s: esa_trigger_output: bad addr %p\n", 519 sc->sc_dev.dv_xname, start); 520 return (EINVAL); 521 } 522 523 sc->play.active = 1; 524 sc->play.intr = intr; 525 sc->play.arg = intrarg; 526 sc->play.pos = 0; 527 sc->play.count = 0; 528 sc->play.buf = start; 529 size = (size_t)(((caddr_t)end - (caddr_t)start)); 530 bufaddr = DMAADDR(p); 531 sc->play.start = bufaddr; 532 533 #define LO(x) ((x) & 0x0000ffff) 534 #define HI(x) ((x) >> 16) 535 536 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 537 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 538 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 539 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 540 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 541 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 542 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 543 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 544 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 545 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 546 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 547 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 548 549 /* DSP buffers */ 550 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 551 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 552 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 553 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 554 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 555 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 556 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 557 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 558 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 559 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 560 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 561 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 562 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 563 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 564 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 565 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 566 567 /* Some per-client initializers */ 568 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 569 ESA_SRC3_DIRECTION_OFFSET + 12, dac_data + 40 + 8); 570 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 571 ESA_SRC3_DIRECTION_OFFSET + 19, 0x400 + ESA_MINISRC_COEF_LOC); 572 /* Enable or disable low-pass filter? (0xff if rate > 45000) */ 573 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 574 ESA_SRC3_DIRECTION_OFFSET + 22, 0); 575 /* Tell it which way DMA is going */ 576 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 577 ESA_CDATA_DMA_CONTROL, 578 ESA_DMACONTROL_AUTOREPEAT + ESA_DMAC_PAGE3_SELECTOR + 579 ESA_DMAC_BLOCKF_SELECTOR); 580 581 /* Set an armload of static initializers */ 582 for (i = 0; i < (sizeof(esa_playvals) / sizeof(esa_playvals[0])); i++) 583 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 584 esa_playvals[i].addr, esa_playvals[i].val); 585 586 /* Put us in the packed task lists */ 587 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 588 ESA_KDATA_INSTANCE0_MINISRC, 589 dac_data >> ESA_DP_SHIFT_COUNT); 590 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_XFER0, 591 dac_data >> ESA_DP_SHIFT_COUNT); 592 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_MIXER_XFER0, 593 dac_data >> ESA_DP_SHIFT_COUNT); 594 #undef LO 595 #undef HI 596 597 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 598 ESA_KDATA_TIMER_COUNT_RELOAD, 240); 599 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 600 ESA_KDATA_TIMER_COUNT_CURRENT, 240); 601 data = bus_space_read_2(iot, ioh, ESA_HOST_INT_CTRL); 602 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 603 data | ESA_CLKRUN_GEN_ENABLE); 604 605 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, dac_data + 606 ESA_CDATA_INSTANCE_READY, 1); 607 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 608 ESA_KDATA_MIXER_TASK_NUMBER, 1); 609 610 return (0); 611 } 612 613 int 614 esa_trigger_input(void *hdl, void *start, void *end, int blksize, 615 void (*intr)(void *), void *intrarg, 616 struct audio_params *param) 617 { 618 struct esa_softc *sc = hdl; 619 struct esa_dma *p; 620 bus_space_tag_t iot = sc->sc_iot; 621 bus_space_handle_t ioh = sc->sc_ioh; 622 u_int32_t data; 623 u_int32_t bufaddr; 624 u_int32_t i; 625 size_t size; 626 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 627 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 628 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 629 &~ 255; 630 int adc_data = ESA_DAC_DATA + data_bytes + (data_bytes / 2); 631 int dsp_in_size = ESA_MINISRC_IN_BUFFER_SIZE - (0x10 * 2); 632 int dsp_out_size = ESA_MINISRC_OUT_BUFFER_SIZE - (0x10 * 2); 633 int dsp_in_buf = adc_data + (ESA_MINISRC_TMP_BUFFER_SIZE / 2); 634 int dsp_out_buf = dsp_in_buf + (dsp_in_size / 2) + 1; 635 sc->rec.data_offset = adc_data; 636 637 if (sc->rec.active) 638 return (EINVAL); 639 640 for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next) 641 ; 642 if (!p) { 643 printf("%s: esa_trigger_input: bad addr %p\n", 644 sc->sc_dev.dv_xname, start); 645 return (EINVAL); 646 } 647 648 sc->rec.active = 1; 649 sc->rec.intr = intr; 650 sc->rec.arg = intrarg; 651 sc->rec.pos = 0; 652 sc->rec.count = 0; 653 sc->rec.buf = start; 654 size = (size_t)(((caddr_t)end - (caddr_t)start)); 655 bufaddr = DMAADDR(p); 656 sc->rec.start = bufaddr; 657 658 #define LO(x) ((x) & 0x0000ffff) 659 #define HI(x) ((x) >> 16) 660 661 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 662 ESA_CDATA_HOST_SRC_ADDRL, LO(bufaddr)); 663 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 664 ESA_CDATA_HOST_SRC_ADDRH, HI(bufaddr)); 665 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 666 ESA_CDATA_HOST_SRC_END_PLUS_1L, LO(bufaddr + size)); 667 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 668 ESA_CDATA_HOST_SRC_END_PLUS_1H, HI(bufaddr + size)); 669 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 670 ESA_CDATA_HOST_SRC_CURRENTL, LO(bufaddr)); 671 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 672 ESA_CDATA_HOST_SRC_CURRENTH, HI(bufaddr)); 673 674 /* DSP buffers */ 675 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 676 ESA_CDATA_IN_BUF_BEGIN, dsp_in_buf); 677 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 678 ESA_CDATA_IN_BUF_END_PLUS_1, dsp_in_buf + (dsp_in_size / 2)); 679 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 680 ESA_CDATA_IN_BUF_HEAD, dsp_in_buf); 681 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 682 ESA_CDATA_IN_BUF_TAIL, dsp_in_buf); 683 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 684 ESA_CDATA_OUT_BUF_BEGIN, dsp_out_buf); 685 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 686 ESA_CDATA_OUT_BUF_END_PLUS_1, dsp_out_buf + (dsp_out_size / 2)); 687 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 688 ESA_CDATA_OUT_BUF_HEAD, dsp_out_buf); 689 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 690 ESA_CDATA_OUT_BUF_TAIL, dsp_out_buf); 691 692 /* Some per-client initializers */ 693 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 694 ESA_SRC3_DIRECTION_OFFSET + 12, adc_data + 40 + 8); 695 /* Tell it which way DMA is going */ 696 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 697 ESA_CDATA_DMA_CONTROL, 698 ESA_DMACONTROL_DIRECTION + ESA_DMACONTROL_AUTOREPEAT + 699 ESA_DMAC_PAGE3_SELECTOR + ESA_DMAC_BLOCKF_SELECTOR); 700 701 /* Set an armload of static initializers */ 702 for (i = 0; i < (sizeof(esa_recvals) / sizeof(esa_recvals[0])); i++) 703 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 704 esa_recvals[i].addr, esa_recvals[i].val); 705 706 /* Put us in the packed task lists */ 707 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 708 ESA_KDATA_INSTANCE0_MINISRC, 709 adc_data >> ESA_DP_SHIFT_COUNT); 710 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DMA_XFER0, 711 adc_data >> ESA_DP_SHIFT_COUNT); 712 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_XFER0, 713 adc_data >> ESA_DP_SHIFT_COUNT); 714 #undef LO 715 #undef HI 716 717 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 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_ADC1_REQUEST, 1); 726 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, adc_data + 727 ESA_CDATA_INSTANCE_READY, 1); 728 729 return (0); 730 } 731 732 /* Interrupt handler */ 733 734 int 735 esa_intr(void *hdl) 736 { 737 struct esa_softc *sc = hdl; 738 bus_space_tag_t iot = sc->sc_iot; 739 bus_space_handle_t ioh = sc->sc_ioh; 740 u_int32_t status, ctl; 741 u_int32_t pos; 742 u_int32_t diff; 743 u_int32_t play_blksize = sc->play.blksize; 744 u_int32_t play_bufsize = sc->play.bufsize; 745 u_int32_t rec_blksize = sc->rec.blksize; 746 u_int32_t rec_bufsize = sc->rec.bufsize; 747 748 status = bus_space_read_1(iot, ioh, ESA_HOST_INT_STATUS); 749 if (!status) 750 return (0); 751 752 /* ack the interrupt */ 753 bus_space_write_1(iot, ioh, ESA_HOST_INT_STATUS, 0xff); 754 755 if (status & ESA_HV_INT_PENDING) { 756 u_int8_t event; 757 758 printf("%s: hardware volume interrupt\n", sc->sc_dev.dv_xname); 759 event = bus_space_read_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER); 760 switch(event) { 761 case 0x99: 762 case 0xaa: 763 case 0x66: 764 case 0x88: 765 printf("%s: esa_intr: FIXME\n", sc->sc_dev.dv_xname); 766 break; 767 default: 768 printf("%s: unknown hwvol event 0x%02x\n", 769 sc->sc_dev.dv_xname, event); 770 break; 771 } 772 bus_space_write_1(iot, ioh, ESA_HW_VOL_COUNTER_MASTER, 0x88); 773 } 774 775 if (status & ESA_ASSP_INT_PENDING) { 776 ctl = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_B); 777 if (!(ctl & ESA_STOP_ASSP_CLOCK)) { 778 ctl = bus_space_read_1(iot, ioh, 779 ESA_ASSP_HOST_INT_STATUS); 780 if (ctl & ESA_DSP2HOST_REQ_TIMER) { 781 bus_space_write_1(iot, ioh, 782 ESA_ASSP_HOST_INT_STATUS, 783 ESA_DSP2HOST_REQ_TIMER); 784 if (sc->play.active) { 785 pos = esa_get_pointer(sc, &sc->play) 786 % play_bufsize; 787 diff = (play_bufsize + pos - sc->play.pos) 788 % play_bufsize; 789 sc->play.pos = pos; 790 sc->play.count += diff; 791 while(sc->play.count >= play_blksize) { 792 sc->play.count -= play_blksize; 793 (*sc->play.intr)(sc->play.arg); 794 } 795 } 796 if (sc->rec.active) { 797 pos = esa_get_pointer(sc, &sc->rec) 798 % rec_bufsize; 799 diff = (rec_bufsize + pos - sc->rec.pos) 800 % rec_bufsize; 801 sc->rec.pos = pos; 802 sc->rec.count += diff; 803 while(sc->rec.count >= rec_blksize) { 804 sc->rec.count -= rec_blksize; 805 (*sc->rec.intr)(sc->rec.arg); 806 } 807 } 808 } 809 } 810 } 811 812 return (1); 813 } 814 815 int 816 esa_allocmem(struct esa_softc *sc, size_t size, size_t align, 817 struct esa_dma *p) 818 { 819 int error; 820 821 p->size = size; 822 error = bus_dmamem_alloc(sc->sc_dmat, p->size, align, 0, 823 p->segs, sizeof(p->segs) / sizeof(p->segs[0]), 824 &p->nsegs, BUS_DMA_NOWAIT); 825 if (error) 826 return (error); 827 828 error = bus_dmamem_map(sc->sc_dmat, p->segs, p->nsegs, p->size, 829 &p->addr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT); 830 if (error) 831 goto free; 832 833 error = bus_dmamap_create(sc->sc_dmat, p->size, 1, p->size, 0, 834 BUS_DMA_NOWAIT, &p->map); 835 if (error) 836 goto unmap; 837 838 error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, p->size, NULL, 839 BUS_DMA_NOWAIT); 840 if (error) 841 goto destroy; 842 843 return (0); 844 845 destroy: 846 bus_dmamap_destroy(sc->sc_dmat, p->map); 847 unmap: 848 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 849 free: 850 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 851 852 return (error); 853 } 854 855 int 856 esa_freemem(struct esa_softc *sc, struct esa_dma *p) 857 { 858 859 bus_dmamap_unload(sc->sc_dmat, p->map); 860 bus_dmamap_destroy(sc->sc_dmat, p->map); 861 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 862 bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs); 863 864 return (0); 865 } 866 867 /* 868 * Supporting Subroutines 869 */ 870 871 int 872 esa_match(struct device *dev, struct cfdata *match, void *aux) 873 { 874 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 875 876 switch(PCI_VENDOR(pa->pa_id)) { 877 case PCI_VENDOR_ESSTECH: 878 switch(PCI_PRODUCT(pa->pa_id)) { 879 case PCI_PRODUCT_ESSTECH_ALLEGRO1: 880 case PCI_PRODUCT_ESSTECH_MAESTRO3: 881 case PCI_PRODUCT_ESSTECH_MAESTRO3_2: 882 return (1); 883 } 884 } 885 886 return (0); 887 } 888 889 void 890 esa_attach(struct device *parent, struct device *self, void *aux) 891 { 892 struct esa_softc *sc = (struct esa_softc *)self; 893 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 894 pcitag_t tag = pa->pa_tag; 895 pci_chipset_tag_t pc = pa->pa_pc; 896 pci_intr_handle_t ih; 897 struct esa_card_type *card; 898 const char *intrstr; 899 u_int32_t data; 900 char devinfo[256]; 901 int revision; 902 903 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); 904 revision = PCI_REVISION(pa->pa_class); 905 printf(": %s (rev. 0x%02x)\n", devinfo, revision); 906 907 for (card = esa_card_types; card->pci_vendor_id; card++) 908 if (PCI_VENDOR(pa->pa_id) == card->pci_vendor_id && 909 PCI_PRODUCT(pa->pa_id) == card->pci_product_id) { 910 sc->type = card->type; 911 sc->delay1 = card->delay1; 912 sc->delay2 = card->delay2; 913 break; 914 } 915 916 data = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG); 917 data |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE 918 | PCI_COMMAND_MASTER_ENABLE); 919 pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, data); 920 921 /* Map I/O register */ 922 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 923 &sc->sc_iot, &sc->sc_ioh, &sc->sc_iob, &sc->sc_ios)) { 924 printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname); 925 return; 926 } 927 928 /* Initialize softc */ 929 sc->sc_tag = tag; 930 sc->sc_pct = pc; 931 sc->sc_dmat = pa->pa_dmat; 932 933 /* Map and establish an interrupt */ 934 if (pci_intr_map(pa, &ih)) { 935 printf("%s: can't map interrupt\n", sc->sc_dev.dv_xname); 936 return; 937 } 938 intrstr = pci_intr_string(pc, ih); 939 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, esa_intr, self); 940 if (sc->sc_ih == NULL) { 941 printf("%s: can't establish interrupt", sc->sc_dev.dv_xname); 942 if (intrstr != NULL) 943 printf(" at %s", intrstr); 944 printf("\n"); 945 return; 946 } 947 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 948 949 /* Power up chip */ 950 esa_power(sc, 0); 951 952 /* Init chip */ 953 if (esa_init(sc) == -1) { 954 printf("%s: esa_attach: unable to initialize the card\n", 955 sc->sc_dev.dv_xname); 956 return; 957 } 958 959 /* Attach AC97 host interface */ 960 sc->host_if.arg = self; 961 sc->host_if.attach = esa_attach_codec; 962 sc->host_if.read = esa_read_codec; 963 sc->host_if.write = esa_write_codec; 964 sc->host_if.reset = esa_reset_codec; 965 sc->host_if.flags = esa_flags_codec; 966 967 if (ac97_attach(&sc->host_if) != 0) 968 return; 969 970 sc->sc_audiodev = audio_attach_mi(&esa_hw_if, self, &sc->sc_dev); 971 972 return; 973 } 974 975 int 976 esa_detach(struct device *self, int flags) 977 { 978 struct esa_softc *sc = (struct esa_softc *)self; 979 int rv = 0; 980 981 if (sc->sc_audiodev != NULL) 982 rv = config_detach(sc->sc_audiodev, flags); 983 if (rv) 984 return (rv); 985 986 if (sc->sc_ih != NULL) 987 pci_intr_disestablish(sc->sc_pct, sc->sc_ih); 988 if (sc->sc_ios) 989 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 990 991 return (0); 992 } 993 994 u_int16_t 995 esa_read_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index) 996 { 997 u_int16_t data; 998 bus_space_tag_t iot = sc->sc_iot; 999 bus_space_handle_t ioh = sc->sc_ioh; 1000 1001 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1002 region & ESA_MEMTYPE_MASK); 1003 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1004 data = bus_space_read_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA); 1005 1006 return (data); 1007 } 1008 1009 void 1010 esa_write_assp(struct esa_softc *sc, u_int16_t region, u_int16_t index, 1011 u_int16_t data) 1012 { 1013 bus_space_tag_t iot = sc->sc_iot; 1014 bus_space_handle_t ioh = sc->sc_ioh; 1015 1016 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_TYPE, 1017 region & ESA_MEMTYPE_MASK); 1018 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_INDEX, index); 1019 bus_space_write_2(iot, ioh, ESA_DSP_PORT_MEMORY_DATA, data); 1020 1021 return; 1022 } 1023 1024 int 1025 esa_init_codec(struct esa_softc *sc) 1026 { 1027 bus_space_tag_t iot = sc->sc_iot; 1028 bus_space_handle_t ioh = sc->sc_ioh; 1029 u_int32_t data; 1030 1031 data = bus_space_read_1(iot, ioh, ESA_CODEC_COMMAND); 1032 1033 return ((data & 0x1) ? 0 : 1); 1034 } 1035 1036 int 1037 esa_attach_codec(void *aux, struct ac97_codec_if *codec_if) 1038 { 1039 struct esa_softc *sc = aux; 1040 1041 sc->codec_if = codec_if; 1042 1043 return (0); 1044 } 1045 1046 int 1047 esa_read_codec(void *aux, u_int8_t reg, u_int16_t *result) 1048 { 1049 struct esa_softc *sc = aux; 1050 bus_space_tag_t iot = sc->sc_iot; 1051 bus_space_handle_t ioh = sc->sc_ioh; 1052 1053 if (esa_wait(sc)) 1054 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1055 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, (reg & 0x7f) | 0x80); 1056 delay(50); 1057 if (esa_wait(sc)) 1058 printf("%s: esa_read_codec: timed out\n", sc->sc_dev.dv_xname); 1059 *result = bus_space_read_2(iot, ioh, ESA_CODEC_DATA); 1060 1061 return (0); 1062 } 1063 1064 int 1065 esa_write_codec(void *aux, u_int8_t reg, u_int16_t data) 1066 { 1067 struct esa_softc *sc = aux; 1068 bus_space_tag_t iot = sc->sc_iot; 1069 bus_space_handle_t ioh = sc->sc_ioh; 1070 1071 if (esa_wait(sc)) { 1072 printf("%s: esa_write_codec: timed out\n", sc->sc_dev.dv_xname); 1073 return (-1); 1074 } 1075 bus_space_write_2(iot, ioh, ESA_CODEC_DATA, data); 1076 bus_space_write_1(iot, ioh, ESA_CODEC_COMMAND, reg & 0x7f); 1077 delay(50); 1078 1079 return (0); 1080 } 1081 1082 void 1083 esa_reset_codec(void *aux) 1084 { 1085 1086 return; 1087 } 1088 1089 enum ac97_host_flags 1090 esa_flags_codec(void *aux) 1091 { 1092 struct esa_softc *sc = aux; 1093 1094 return (sc->codec_flags); 1095 } 1096 1097 int 1098 esa_wait(struct esa_softc *sc) 1099 { 1100 int i, val; 1101 bus_space_tag_t iot = sc->sc_iot; 1102 bus_space_handle_t ioh = sc->sc_ioh; 1103 1104 for (i = 0; i < 20; i++) { 1105 val = bus_space_read_1(iot, ioh, ESA_CODEC_STATUS); 1106 if ((val & 1) == 0) 1107 return (0); 1108 delay(2); 1109 } 1110 1111 return (-1); 1112 } 1113 1114 int 1115 esa_init(struct esa_softc *sc) 1116 { 1117 bus_space_tag_t iot = sc->sc_iot; 1118 bus_space_handle_t ioh = sc->sc_ioh; 1119 pcitag_t tag = sc->sc_tag; 1120 pci_chipset_tag_t pc = sc->sc_pct; 1121 u_int32_t data, i, size; 1122 u_int8_t reset_state; 1123 int data_bytes = (((ESA_MINISRC_TMP_BUFFER_SIZE & ~1) + 1124 (ESA_MINISRC_IN_BUFFER_SIZE & ~1) + 1125 (ESA_MINISRC_OUT_BUFFER_SIZE & ~1) + 4) + 255) 1126 &~ 255; 1127 1128 /* Disable legacy emulation */ 1129 data = pci_conf_read(pc, tag, PCI_LEGACY_AUDIO_CTRL); 1130 data |= DISABLE_LEGACY; 1131 pci_conf_write(pc, tag, PCI_LEGACY_AUDIO_CTRL, data); 1132 1133 esa_config(sc); 1134 1135 reset_state = esa_assp_halt(sc); 1136 1137 esa_init_codec(sc); 1138 esa_codec_reset(sc); 1139 1140 /* Zero kernel and mixer data */ 1141 size = ESA_REV_B_DATA_MEMORY_UNIT_LENGTH * ESA_NUM_UNITS_KERNEL_DATA; 1142 for (i = 0; i < size / 2; i++) { 1143 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1144 ESA_KDATA_BASE_ADDR + i, 0); 1145 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1146 ESA_KDATA_BASE_ADDR2 + i, 0); 1147 } 1148 1149 /* Init DMA pointer */ 1150 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_CURRENT_DMA, 1151 ESA_KDATA_DMA_XFER0); 1152 1153 /* Write kernel code into memory */ 1154 size = sizeof(esa_assp_kernel_image); 1155 for (i = 0; i < size / 2; i++) 1156 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1157 ESA_REV_B_CODE_MEMORY_BEGIN + i, esa_assp_kernel_image[i]); 1158 1159 size = sizeof(esa_assp_minisrc_image); 1160 for (i = 0; i < size / 2; i++) 1161 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 0x400 + i, 1162 esa_assp_minisrc_image[i]); 1163 1164 /* Write the coefficients for the low pass filter */ 1165 size = sizeof(esa_minisrc_lpf_image); 1166 for (i = 0; i < size / 2; i++) 1167 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1168 0x400 + ESA_MINISRC_COEF_LOC + i, esa_minisrc_lpf_image[i]); 1169 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_CODE, 1170 0x400 + ESA_MINISRC_COEF_LOC + size, 0x8000); 1171 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_TASK0, 0x400); 1172 /* Init the mixer number */ 1173 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1174 ESA_KDATA_MIXER_TASK_NUMBER, 0); 1175 /* Extreme kernel master volume */ 1176 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, ESA_KDATA_DAC_LEFT_VOLUME, 1177 ESA_ARB_VOLUME); 1178 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, 1179 ESA_KDATA_DAC_RIGHT_VOLUME, ESA_ARB_VOLUME); 1180 1181 if (esa_amp_enable(sc)) 1182 return (-1); 1183 1184 /* Zero entire DAC/ADC area */ 1185 for (i = 0x1100; i < 0x1c00; i++) 1186 esa_write_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, i, 0); 1187 1188 /* set some sane defaults */ 1189 sc->play.data_offset = ESA_DAC_DATA + data_bytes; 1190 sc->rec.data_offset = ESA_DAC_DATA + data_bytes + (data_bytes / 2); 1191 1192 esa_enable_interrupts(sc); 1193 1194 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1195 reset_state | ESA_REGB_ENABLE_RESET); 1196 1197 return (0); 1198 } 1199 1200 void 1201 esa_config(struct esa_softc *sc) 1202 { 1203 bus_space_tag_t iot = sc->sc_iot; 1204 bus_space_handle_t ioh = sc->sc_ioh; 1205 pcitag_t tag = sc->sc_tag; 1206 pci_chipset_tag_t pc = sc->sc_pct; 1207 u_int32_t data; 1208 1209 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1210 data &= ESA_REDUCED_DEBOUNCE; 1211 data |= ESA_PM_CTRL_ENABLE | ESA_CLK_DIV_BY_49 | ESA_USE_PCI_TIMING; 1212 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1213 1214 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RESET_ASSP); 1215 data = pci_conf_read(pc, tag, ESA_PCI_ALLEGRO_CONFIG); 1216 data &= ~ESA_INT_CLK_SELECT; 1217 if (sc->type == ESS_MAESTRO3) { 1218 data &= ~ESA_INT_CLK_MULT_ENABLE; 1219 data |= ESA_INT_CLK_SRC_NOT_PCI; 1220 } 1221 data &= ~(ESA_CLK_MULT_MODE_SELECT | ESA_CLK_MULT_MODE_SELECT_2); 1222 pci_conf_write(pc, tag, ESA_PCI_ALLEGRO_CONFIG, data); 1223 1224 if (sc->type == ESS_ALLEGRO1) { 1225 data = pci_conf_read(pc, tag, ESA_PCI_USER_CONFIG); 1226 data |= ESA_IN_CLK_12MHZ_SELECT; 1227 pci_conf_write(pc, tag, ESA_PCI_USER_CONFIG, data); 1228 } 1229 1230 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_A); 1231 data &= ~(ESA_DSP_CLK_36MHZ_SELECT | ESA_ASSP_CLK_49MHZ_SELECT); 1232 data |= ESA_ASSP_CLK_49MHZ_SELECT; /* XXX: Assumes 49MHz DSP */ 1233 data |= ESA_ASSP_0_WS_ENABLE; 1234 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_A, data); 1235 1236 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_B, ESA_RUN_ASSP); 1237 1238 return; 1239 } 1240 1241 u_int8_t 1242 esa_assp_halt(struct esa_softc *sc) 1243 { 1244 bus_space_tag_t iot = sc->sc_iot; 1245 bus_space_handle_t ioh = sc->sc_ioh; 1246 u_int8_t data, reset_state; 1247 1248 data = bus_space_read_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B); 1249 reset_state = data & ~ESA_REGB_STOP_CLOCK; 1250 delay(10000); /* XXX use tsleep */ 1251 bus_space_write_1(iot, ioh, ESA_DSP_PORT_CONTROL_REG_B, 1252 reset_state & ~ESA_REGB_ENABLE_RESET); 1253 delay(10000); /* XXX use tsleep */ 1254 1255 return (reset_state); 1256 } 1257 1258 void 1259 esa_codec_reset(struct esa_softc *sc) 1260 { 1261 bus_space_tag_t iot = sc->sc_iot; 1262 bus_space_handle_t ioh = sc->sc_ioh; 1263 u_int16_t data, dir; 1264 int retry = 0; 1265 1266 do { 1267 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1268 dir = data | 0x10; /* assuming pci bus master? */ 1269 1270 /* remote codec config */ 1271 data = bus_space_read_2(iot, ioh, ESA_RING_BUS_CTRL_B); 1272 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_B, 1273 data & ~ESA_SECOND_CODEC_ID_MASK); 1274 data = bus_space_read_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL); 1275 bus_space_write_2(iot, ioh, ESA_SDO_OUT_DEST_CTRL, 1276 data & ~ESA_COMMAND_ADDR_OUT); 1277 data = bus_space_read_2(iot, ioh, ESA_SDO_IN_DEST_CTRL); 1278 bus_space_write_2(iot, ioh, ESA_SDO_IN_DEST_CTRL, 1279 data & ~ESA_STATUS_ADDR_IN); 1280 1281 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1282 ESA_IO_SRAM_ENABLE); 1283 delay(20); 1284 1285 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1286 dir & ~ESA_GPO_PRIMARY_AC97); 1287 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, 1288 ~ESA_GPO_PRIMARY_AC97); 1289 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 0); 1290 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, 1291 dir | ESA_GPO_PRIMARY_AC97); 1292 delay(sc->delay1 * 1000); 1293 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, 1294 ESA_GPO_PRIMARY_AC97); 1295 delay(5); 1296 bus_space_write_2(iot, ioh, ESA_RING_BUS_CTRL_A, 1297 ESA_IO_SRAM_ENABLE | ESA_SERIAL_AC_LINK_ENABLE); 1298 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1299 delay(sc->delay2 * 1000); 1300 1301 esa_read_codec(sc, 0x7c, &data); 1302 if ((data == 0) || (data == 0xffff)) { 1303 retry++; 1304 if (retry > 3) { 1305 printf("%s: esa_codec_reset: failed\n", 1306 sc->sc_dev.dv_xname); 1307 break; 1308 } 1309 printf("%s: esa_codec_reset: retrying\n", 1310 sc->sc_dev.dv_xname); 1311 } else 1312 retry = 0; 1313 } while (retry); 1314 1315 return; 1316 } 1317 1318 int 1319 esa_amp_enable(struct esa_softc *sc) 1320 { 1321 bus_space_tag_t iot = sc->sc_iot; 1322 bus_space_handle_t ioh = sc->sc_ioh; 1323 u_int32_t gpo, polarity_port, polarity; 1324 u_int16_t data; 1325 1326 switch (sc->type) { 1327 case ESS_ALLEGRO1: 1328 polarity_port = 0x1800; 1329 break; 1330 case ESS_MAESTRO3: 1331 polarity_port = 0x1100; 1332 break; 1333 default: 1334 printf("%s: esa_amp_enable: Unknown chip type!!!\n", 1335 sc->sc_dev.dv_xname); 1336 return (1); 1337 } 1338 1339 gpo = (polarity_port >> 8) & 0x0f; 1340 polarity = polarity_port >> 12; 1341 polarity = !polarity; /* Enable */ 1342 polarity = polarity << gpo; 1343 gpo = 1 << gpo; 1344 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~gpo); 1345 data = bus_space_read_2(iot, ioh, ESA_GPIO_DIRECTION); 1346 bus_space_write_2(iot, ioh, ESA_GPIO_DIRECTION, data | gpo); 1347 data = ESA_GPO_SECONDARY_AC97 | ESA_GPO_PRIMARY_AC97 | polarity; 1348 bus_space_write_2(iot, ioh, ESA_GPIO_DATA, data); 1349 bus_space_write_2(iot, ioh, ESA_GPIO_MASK, ~0); 1350 1351 return (0); 1352 } 1353 1354 void 1355 esa_enable_interrupts(struct esa_softc *sc) 1356 { 1357 bus_space_tag_t iot = sc->sc_iot; 1358 bus_space_handle_t ioh = sc->sc_ioh; 1359 u_int8_t data; 1360 1361 bus_space_write_2(iot, ioh, ESA_HOST_INT_CTRL, 1362 ESA_ASSP_INT_ENABLE | ESA_HV_INT_ENABLE); 1363 data = bus_space_read_1(iot, ioh, ESA_ASSP_CONTROL_C); 1364 bus_space_write_1(iot, ioh, ESA_ASSP_CONTROL_C, 1365 data | ESA_ASSP_HOST_INT_ENABLE); 1366 } 1367 1368 int 1369 esa_power(struct esa_softc *sc, int state) 1370 { 1371 pcitag_t tag = sc->sc_tag; 1372 pci_chipset_tag_t pc = sc->sc_pct; 1373 u_int32_t data; 1374 1375 data = pci_conf_read(pc, tag, 0x34); 1376 if (pci_conf_read(pc, tag, data) == 1) 1377 pci_conf_write(pc, tag, data + 4, state); 1378 1379 return (0); 1380 } 1381 1382 u_int32_t 1383 esa_get_pointer(struct esa_softc *sc, struct esa_channel *ch) 1384 { 1385 u_int16_t hi = 0, lo = 0; 1386 u_int32_t addr; 1387 int data_offset = ch->data_offset; 1388 1389 hi = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1390 ESA_CDATA_HOST_SRC_CURRENTH); 1391 lo = esa_read_assp(sc, ESA_MEMTYPE_INTERNAL_DATA, data_offset + 1392 ESA_CDATA_HOST_SRC_CURRENTL); 1393 1394 addr = lo | ((u_int32_t)hi << 16); 1395 return (addr - ch->start); 1396 } 1397 1398 paddr_t 1399 esa_mappage(void *addr, void *mem, off_t off, int prot) 1400 { 1401 struct esa_softc *sc = addr; 1402 struct esa_dma *p; 1403 1404 if (off < 0) 1405 return (-1); 1406 for (p = sc->sc_dmas; p && KERNADDR(p) != mem; p = p->next) 1407 ; 1408 if (!p) 1409 return (-1); 1410 return (bus_dmamem_mmap(sc->sc_dmat, p->segs, p->nsegs, 1411 off, prot, BUS_DMA_WAITOK)); 1412 } 1413 1414
Indexes created Sun Sep 21 18:09:52 GMT 2025