1 /* $NetBSD: ess.c,v 1.52 2000/06/26 04:56:20 simonb Exp $ */ 2 3 /* 4 * Copyright 1997 5 * Digital Equipment Corporation. All rights reserved. 6 * 7 * This software is furnished under license and may be used and 8 * copied only in accordance with the following terms and conditions. 9 * Subject to these conditions, you may download, copy, install, 10 * use, modify and distribute this software in source and/or binary 11 * form. No title or ownership is transferred hereby. 12 * 13 * 1) Any source code used, modified or distributed must reproduce 14 * and retain this copyright notice and list of conditions as 15 * they appear in the source file. 16 * 17 * 2) No right is granted to use any trade name, trademark, or logo of 18 * Digital Equipment Corporation. Neither the "Digital Equipment 19 * Corporation" name nor any trademark or logo of Digital Equipment 20 * Corporation may be used to endorse or promote products derived 21 * from this software without the prior written permission of 22 * Digital Equipment Corporation. 23 * 24 * 3) This software is provided "AS-IS" and any express or implied 25 * warranties, including but not limited to, any implied warranties 26 * of merchantability, fitness for a particular purpose, or 27 * non-infringement are disclaimed. In no event shall DIGITAL be 28 * liable for any damages whatsoever, and in particular, DIGITAL 29 * shall not be liable for special, indirect, consequential, or 30 * incidental damages or damages for lost profits, loss of 31 * revenue or loss of use, whether such damages arise in contract, 32 * negligence, tort, under statute, in equity, at law or otherwise, 33 * even if advised of the possibility of such damage. 34 */ 35 36 /* 37 **++ 38 ** 39 ** ess.c 40 ** 41 ** FACILITY: 42 ** 43 ** DIGITAL Network Appliance Reference Design (DNARD) 44 ** 45 ** MODULE DESCRIPTION: 46 ** 47 ** This module contains the device driver for the ESS 48 ** Technologies 1888/1887/888 sound chip. The code in sbdsp.c was 49 ** used as a reference point when implementing this driver. 50 ** 51 ** AUTHORS: 52 ** 53 ** Blair Fidler Software Engineering Australia 54 ** Gold Coast, Australia. 55 ** 56 ** CREATION DATE: 57 ** 58 ** March 10, 1997. 59 ** 60 ** MODIFICATION HISTORY: 61 ** 62 ** Heavily modified by Lennart Augustsson and Charles M. Hannum for 63 ** bus_dma, changes to audio interface, and many bug fixes. 64 ** ESS1788 support by Nathan J. Williams and Charles M. Hannum. 65 **-- 66 */ 67 68 #include <sys/param.h> 69 #include <sys/systm.h> 70 #include <sys/errno.h> 71 #include <sys/ioctl.h> 72 #include <sys/syslog.h> 73 #include <sys/device.h> 74 #include <sys/proc.h> 75 #include <sys/kernel.h> 76 77 #include <machine/cpu.h> 78 #include <machine/intr.h> 79 #include <machine/bus.h> 80 81 #include <sys/audioio.h> 82 #include <dev/audio_if.h> 83 #include <dev/auconv.h> 84 #include <dev/mulaw.h> 85 86 #include <dev/isa/isavar.h> 87 #include <dev/isa/isadmavar.h> 88 89 #include <dev/isa/essvar.h> 90 #include <dev/isa/essreg.h> 91 92 #ifdef AUDIO_DEBUG 93 #define DPRINTF(x) if (essdebug) printf x 94 #define DPRINTFN(n,x) if (essdebug>(n)) printf x 95 int essdebug = 0; 96 #else 97 #define DPRINTF(x) 98 #define DPRINTFN(n,x) 99 #endif 100 101 #if 0 102 unsigned uuu; 103 #define EREAD1(t, h, a) (uuu=bus_space_read_1(t, h, a),printf("EREAD %02x=%02x\n", ((int)h&0xfff)+a, uuu),uuu) 104 #define EWRITE1(t, h, a, d) (printf("EWRITE %02x=%02x\n", ((int)h & 0xfff)+a, d), bus_space_write_1(t, h, a, d)) 105 #else 106 #define EREAD1(t, h, a) bus_space_read_1(t, h, a) 107 #define EWRITE1(t, h, a, d) bus_space_write_1(t, h, a, d) 108 #endif 109 110 111 int ess_setup_sc __P((struct ess_softc *, int)); 112 113 int ess_open __P((void *, int)); 114 void ess_1788_close __P((void *)); 115 void ess_1888_close __P((void *)); 116 int ess_getdev __P((void *, struct audio_device *)); 117 int ess_drain __P((void *)); 118 119 int ess_query_encoding __P((void *, struct audio_encoding *)); 120 121 int ess_set_params __P((void *, int, int, struct audio_params *, 122 struct audio_params *)); 123 124 int ess_round_blocksize __P((void *, int)); 125 126 int ess_audio1_trigger_output __P((void *, void *, void *, int, 127 void (*)(void *), void *, struct audio_params *)); 128 int ess_audio2_trigger_output __P((void *, void *, void *, int, 129 void (*)(void *), void *, struct audio_params *)); 130 int ess_audio1_trigger_input __P((void *, void *, void *, int, 131 void (*)(void *), void *, struct audio_params *)); 132 int ess_audio1_halt __P((void *)); 133 int ess_audio2_halt __P((void *)); 134 int ess_audio1_intr __P((void *)); 135 int ess_audio2_intr __P((void *)); 136 void ess_audio1_poll __P((void *)); 137 void ess_audio2_poll __P((void *)); 138 139 int ess_speaker_ctl __P((void *, int)); 140 141 int ess_getdev __P((void *, struct audio_device *)); 142 143 int ess_set_port __P((void *, mixer_ctrl_t *)); 144 int ess_get_port __P((void *, mixer_ctrl_t *)); 145 146 void *ess_malloc __P((void *, int, size_t, int, int)); 147 void ess_free __P((void *, void *, int)); 148 size_t ess_round_buffersize __P((void *, int, size_t)); 149 paddr_t ess_mappage __P((void *, void *, off_t, int)); 150 151 152 int ess_query_devinfo __P((void *, mixer_devinfo_t *)); 153 int ess_1788_get_props __P((void *)); 154 int ess_1888_get_props __P((void *)); 155 156 void ess_speaker_on __P((struct ess_softc *)); 157 void ess_speaker_off __P((struct ess_softc *)); 158 159 int ess_config_addr __P((struct ess_softc *)); 160 void ess_config_irq __P((struct ess_softc *)); 161 void ess_config_drq __P((struct ess_softc *)); 162 void ess_setup __P((struct ess_softc *)); 163 int ess_identify __P((struct ess_softc *)); 164 165 int ess_reset __P((struct ess_softc *)); 166 void ess_set_gain __P((struct ess_softc *, int, int)); 167 int ess_set_in_port __P((struct ess_softc *, int)); 168 int ess_set_in_ports __P((struct ess_softc *, int)); 169 u_int ess_srtotc __P((u_int)); 170 u_int ess_srtofc __P((u_int)); 171 u_char ess_get_dsp_status __P((struct ess_softc *)); 172 u_char ess_dsp_read_ready __P((struct ess_softc *)); 173 u_char ess_dsp_write_ready __P((struct ess_softc *)); 174 int ess_rdsp __P((struct ess_softc *)); 175 int ess_wdsp __P((struct ess_softc *, u_char)); 176 u_char ess_read_x_reg __P((struct ess_softc *, u_char)); 177 int ess_write_x_reg __P((struct ess_softc *, u_char, u_char)); 178 void ess_clear_xreg_bits __P((struct ess_softc *, u_char, u_char)); 179 void ess_set_xreg_bits __P((struct ess_softc *, u_char, u_char)); 180 u_char ess_read_mix_reg __P((struct ess_softc *, u_char)); 181 void ess_write_mix_reg __P((struct ess_softc *, u_char, u_char)); 182 void ess_clear_mreg_bits __P((struct ess_softc *, u_char, u_char)); 183 void ess_set_mreg_bits __P((struct ess_softc *, u_char, u_char)); 184 void ess_read_multi_mix_reg __P((struct ess_softc *, u_char, u_int8_t *, bus_size_t)); 185 186 static char *essmodel[] = { 187 "unsupported", 188 "1888", 189 "1887", 190 "888", 191 "1788", 192 "1869", 193 "1879", 194 "1868", 195 "1878", 196 }; 197 198 struct audio_device ess_device = { 199 "ESS Technology", 200 "x", 201 "ess" 202 }; 203 204 /* 205 * Define our interface to the higher level audio driver. 206 */ 207 208 struct audio_hw_if ess_1788_hw_if = { 209 ess_open, 210 ess_1788_close, 211 ess_drain, 212 ess_query_encoding, 213 ess_set_params, 214 ess_round_blocksize, 215 NULL, 216 NULL, 217 NULL, 218 NULL, 219 NULL, 220 ess_audio1_halt, 221 ess_audio1_halt, 222 ess_speaker_ctl, 223 ess_getdev, 224 NULL, 225 ess_set_port, 226 ess_get_port, 227 ess_query_devinfo, 228 ess_malloc, 229 ess_free, 230 ess_round_buffersize, 231 ess_mappage, 232 ess_1788_get_props, 233 ess_audio1_trigger_output, 234 ess_audio1_trigger_input, 235 }; 236 237 struct audio_hw_if ess_1888_hw_if = { 238 ess_open, 239 ess_1888_close, 240 ess_drain, 241 ess_query_encoding, 242 ess_set_params, 243 ess_round_blocksize, 244 NULL, 245 NULL, 246 NULL, 247 NULL, 248 NULL, 249 ess_audio2_halt, 250 ess_audio1_halt, 251 ess_speaker_ctl, 252 ess_getdev, 253 NULL, 254 ess_set_port, 255 ess_get_port, 256 ess_query_devinfo, 257 ess_malloc, 258 ess_free, 259 ess_round_buffersize, 260 ess_mappage, 261 ess_1888_get_props, 262 ess_audio2_trigger_output, 263 ess_audio1_trigger_input, 264 }; 265 266 #ifdef AUDIO_DEBUG 267 void ess_printsc __P((struct ess_softc *)); 268 void ess_dump_mixer __P((struct ess_softc *)); 269 270 void 271 ess_printsc(sc) 272 struct ess_softc *sc; 273 { 274 int i; 275 276 printf("open %d iobase 0x%x outport %u inport %u speaker %s\n", 277 (int)sc->sc_open, sc->sc_iobase, sc->out_port, 278 sc->in_port, sc->spkr_state ? "on" : "off"); 279 280 printf("audio1: dmachan %d irq %d nintr %lu intr %p arg %p\n", 281 sc->sc_audio1.drq, sc->sc_audio1.irq, sc->sc_audio1.nintr, 282 sc->sc_audio1.intr, sc->sc_audio1.arg); 283 284 if (!ESS_USE_AUDIO1(sc->sc_model)) { 285 printf("audio2: dmachan %d irq %d nintr %lu intr %p arg %p\n", 286 sc->sc_audio2.drq, sc->sc_audio2.irq, sc->sc_audio2.nintr, 287 sc->sc_audio2.intr, sc->sc_audio2.arg); 288 } 289 290 printf("gain:"); 291 for (i = 0; i < sc->ndevs; i++) 292 printf(" %u,%u", sc->gain[i][ESS_LEFT], sc->gain[i][ESS_RIGHT]); 293 printf("\n"); 294 } 295 296 void 297 ess_dump_mixer(sc) 298 struct ess_softc *sc; 299 { 300 printf("ESS_DAC_PLAY_VOL: mix reg 0x%02x=0x%02x\n", 301 0x7C, ess_read_mix_reg(sc, 0x7C)); 302 printf("ESS_MIC_PLAY_VOL: mix reg 0x%02x=0x%02x\n", 303 0x1A, ess_read_mix_reg(sc, 0x1A)); 304 printf("ESS_LINE_PLAY_VOL: mix reg 0x%02x=0x%02x\n", 305 0x3E, ess_read_mix_reg(sc, 0x3E)); 306 printf("ESS_SYNTH_PLAY_VOL: mix reg 0x%02x=0x%02x\n", 307 0x36, ess_read_mix_reg(sc, 0x36)); 308 printf("ESS_CD_PLAY_VOL: mix reg 0x%02x=0x%02x\n", 309 0x38, ess_read_mix_reg(sc, 0x38)); 310 printf("ESS_AUXB_PLAY_VOL: mix reg 0x%02x=0x%02x\n", 311 0x3A, ess_read_mix_reg(sc, 0x3A)); 312 printf("ESS_MASTER_VOL: mix reg 0x%02x=0x%02x\n", 313 0x32, ess_read_mix_reg(sc, 0x32)); 314 printf("ESS_PCSPEAKER_VOL: mix reg 0x%02x=0x%02x\n", 315 0x3C, ess_read_mix_reg(sc, 0x3C)); 316 printf("ESS_DAC_REC_VOL: mix reg 0x%02x=0x%02x\n", 317 0x69, ess_read_mix_reg(sc, 0x69)); 318 printf("ESS_MIC_REC_VOL: mix reg 0x%02x=0x%02x\n", 319 0x68, ess_read_mix_reg(sc, 0x68)); 320 printf("ESS_LINE_REC_VOL: mix reg 0x%02x=0x%02x\n", 321 0x6E, ess_read_mix_reg(sc, 0x6E)); 322 printf("ESS_SYNTH_REC_VOL: mix reg 0x%02x=0x%02x\n", 323 0x6B, ess_read_mix_reg(sc, 0x6B)); 324 printf("ESS_CD_REC_VOL: mix reg 0x%02x=0x%02x\n", 325 0x6A, ess_read_mix_reg(sc, 0x6A)); 326 printf("ESS_AUXB_REC_VOL: mix reg 0x%02x=0x%02x\n", 327 0x6C, ess_read_mix_reg(sc, 0x6C)); 328 printf("ESS_RECORD_VOL: x reg 0x%02x=0x%02x\n", 329 0xB4, ess_read_x_reg(sc, 0xB4)); 330 printf("Audio 1 play vol (unused): mix reg 0x%02x=0x%02x\n", 331 0x14, ess_read_mix_reg(sc, 0x14)); 332 333 printf("ESS_MIC_PREAMP: x reg 0x%02x=0x%02x\n", 334 ESS_XCMD_PREAMP_CTRL, ess_read_x_reg(sc, ESS_XCMD_PREAMP_CTRL)); 335 printf("ESS_RECORD_MONITOR: x reg 0x%02x=0x%02x\n", 336 ESS_XCMD_AUDIO_CTRL, ess_read_x_reg(sc, ESS_XCMD_AUDIO_CTRL)); 337 printf("Record source: mix reg 0x%02x=0x%02x, 0x%02x=0x%02x\n", 338 ESS_MREG_ADC_SOURCE, ess_read_mix_reg(sc, ESS_MREG_ADC_SOURCE), 339 ESS_MREG_AUDIO2_CTRL2, ess_read_mix_reg(sc, ESS_MREG_AUDIO2_CTRL2)); 340 } 341 342 #endif 343 344 /* 345 * Configure the ESS chip for the desired audio base address. 346 */ 347 int 348 ess_config_addr(sc) 349 struct ess_softc *sc; 350 { 351 int iobase = sc->sc_iobase; 352 bus_space_tag_t iot = sc->sc_iot; 353 354 /* 355 * Configure using the System Control Register method. This 356 * method is used when the AMODE line is tied high, which is 357 * the case for the Shark, but not for the evaluation board. 358 */ 359 360 bus_space_handle_t scr_access_ioh; 361 bus_space_handle_t scr_ioh; 362 u_short scr_value; 363 364 /* 365 * Set the SCR bit to enable audio. 366 */ 367 scr_value = ESS_SCR_AUDIO_ENABLE; 368 369 /* 370 * Set the SCR bits necessary to select the specified audio 371 * base address. 372 */ 373 switch(iobase) { 374 case 0x220: 375 scr_value |= ESS_SCR_AUDIO_220; 376 break; 377 case 0x230: 378 scr_value |= ESS_SCR_AUDIO_230; 379 break; 380 case 0x240: 381 scr_value |= ESS_SCR_AUDIO_240; 382 break; 383 case 0x250: 384 scr_value |= ESS_SCR_AUDIO_250; 385 break; 386 default: 387 printf("ess: configured iobase 0x%x invalid\n", iobase); 388 return (1); 389 break; 390 } 391 392 /* 393 * Get a mapping for the System Control Register (SCR) access 394 * registers and the SCR data registers. 395 */ 396 if (bus_space_map(iot, ESS_SCR_ACCESS_BASE, ESS_SCR_ACCESS_PORTS, 397 0, &scr_access_ioh)) { 398 printf("ess: can't map SCR access registers\n"); 399 return (1); 400 } 401 if (bus_space_map(iot, ESS_SCR_BASE, ESS_SCR_PORTS, 402 0, &scr_ioh)) { 403 printf("ess: can't map SCR registers\n"); 404 bus_space_unmap(iot, scr_access_ioh, ESS_SCR_ACCESS_PORTS); 405 return (1); 406 } 407 408 /* Unlock the SCR. */ 409 EWRITE1(iot, scr_access_ioh, ESS_SCR_UNLOCK, 0); 410 411 /* Write the base address information into SCR[0]. */ 412 EWRITE1(iot, scr_ioh, ESS_SCR_INDEX, 0); 413 EWRITE1(iot, scr_ioh, ESS_SCR_DATA, scr_value); 414 415 /* Lock the SCR. */ 416 EWRITE1(iot, scr_access_ioh, ESS_SCR_LOCK, 0); 417 418 /* Unmap the SCR access ports and the SCR data ports. */ 419 bus_space_unmap(iot, scr_access_ioh, ESS_SCR_ACCESS_PORTS); 420 bus_space_unmap(iot, scr_ioh, ESS_SCR_PORTS); 421 422 return 0; 423 } 424 425 426 /* 427 * Configure the ESS chip for the desired IRQ and DMA channels. 428 * ESS ISA 429 * -------- 430 * IRQA irq9 431 * IRQB irq5 432 * IRQC irq7 433 * IRQD irq10 434 * IRQE irq15 435 * 436 * DRQA drq0 437 * DRQB drq1 438 * DRQC drq3 439 * DRQD drq5 440 */ 441 void 442 ess_config_irq(sc) 443 struct ess_softc *sc; 444 { 445 int v; 446 447 DPRINTFN(2,("ess_config_irq\n")); 448 449 if (sc->sc_model == ESS_1887 && 450 sc->sc_audio1.irq == sc->sc_audio2.irq && 451 sc->sc_audio1.irq != -1) { 452 /* Use new method, both interrupts are the same. */ 453 v = ESS_IS_SELECT_IRQ; /* enable intrs */ 454 switch (sc->sc_audio1.irq) { 455 case 5: 456 v |= ESS_IS_INTRB; 457 break; 458 case 7: 459 v |= ESS_IS_INTRC; 460 break; 461 case 9: 462 v |= ESS_IS_INTRA; 463 break; 464 case 10: 465 v |= ESS_IS_INTRD; 466 break; 467 case 15: 468 v |= ESS_IS_INTRE; 469 break; 470 #ifdef DIAGNOSTIC 471 default: 472 printf("ess_config_irq: configured irq %d not supported for Audio 1\n", 473 sc->sc_audio1.irq); 474 return; 475 #endif 476 } 477 /* Set the IRQ */ 478 ess_write_mix_reg(sc, ESS_MREG_INTR_ST, v); 479 return; 480 } 481 482 if (sc->sc_model == ESS_1887) { 483 /* Tell the 1887 to use the old interrupt method. */ 484 ess_write_mix_reg(sc, ESS_MREG_INTR_ST, ESS_IS_ES1888); 485 } 486 487 if (sc->sc_audio1.polled) { 488 /* Turn off Audio1 interrupts. */ 489 v = 0; 490 } else { 491 /* Configure Audio 1 for the appropriate IRQ line. */ 492 v = ESS_IRQ_CTRL_MASK | ESS_IRQ_CTRL_EXT; /* All intrs on */ 493 switch (sc->sc_audio1.irq) { 494 case 5: 495 v |= ESS_IRQ_CTRL_INTRB; 496 break; 497 case 7: 498 v |= ESS_IRQ_CTRL_INTRC; 499 break; 500 case 9: 501 v |= ESS_IRQ_CTRL_INTRA; 502 break; 503 case 10: 504 v |= ESS_IRQ_CTRL_INTRD; 505 break; 506 #ifdef DIAGNOSTIC 507 default: 508 printf("ess: configured irq %d not supported for Audio 1\n", 509 sc->sc_audio1.irq); 510 return; 511 #endif 512 } 513 } 514 ess_write_x_reg(sc, ESS_XCMD_IRQ_CTRL, v); 515 516 if (ESS_USE_AUDIO1(sc->sc_model)) 517 return; 518 519 if (sc->sc_audio2.polled) { 520 /* Turn off Audio2 interrupts. */ 521 ess_clear_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL2, 522 ESS_AUDIO2_CTRL2_IRQ2_ENABLE); 523 } else { 524 /* Audio2 is hardwired to INTRE in this mode. */ 525 ess_set_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL2, 526 ESS_AUDIO2_CTRL2_IRQ2_ENABLE); 527 } 528 } 529 530 531 void 532 ess_config_drq(sc) 533 struct ess_softc *sc; 534 { 535 int v; 536 537 DPRINTFN(2,("ess_config_drq\n")); 538 539 /* Configure Audio 1 (record) for DMA on the appropriate channel. */ 540 v = ESS_DRQ_CTRL_PU | ESS_DRQ_CTRL_EXT; 541 switch (sc->sc_audio1.drq) { 542 case 0: 543 v |= ESS_DRQ_CTRL_DRQA; 544 break; 545 case 1: 546 v |= ESS_DRQ_CTRL_DRQB; 547 break; 548 case 3: 549 v |= ESS_DRQ_CTRL_DRQC; 550 break; 551 #ifdef DIAGNOSTIC 552 default: 553 printf("ess_config_drq: configured dma chan %d not supported for Audio 1\n", 554 sc->sc_audio1.drq); 555 return; 556 #endif 557 } 558 /* Set DRQ1 */ 559 ess_write_x_reg(sc, ESS_XCMD_DRQ_CTRL, v); 560 561 if (ESS_USE_AUDIO1(sc->sc_model)) 562 return; 563 564 /* Configure DRQ2 */ 565 v = ESS_AUDIO2_CTRL3_DRQ_PD; 566 switch (sc->sc_audio2.drq) { 567 case 0: 568 v |= ESS_AUDIO2_CTRL3_DRQA; 569 break; 570 case 1: 571 v |= ESS_AUDIO2_CTRL3_DRQB; 572 break; 573 case 3: 574 v |= ESS_AUDIO2_CTRL3_DRQC; 575 break; 576 case 5: 577 v |= ESS_AUDIO2_CTRL3_DRQD; 578 break; 579 #ifdef DIAGNOSTIC 580 default: 581 printf("ess_config_drq: configured dma chan %d not supported for Audio 2\n", 582 sc->sc_audio2.drq); 583 return; 584 #endif 585 } 586 ess_write_mix_reg(sc, ESS_MREG_AUDIO2_CTRL3, v); 587 /* Enable DMA 2 */ 588 ess_set_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL2, 589 ESS_AUDIO2_CTRL2_DMA_ENABLE); 590 } 591 592 /* 593 * Set up registers after a reset. 594 */ 595 void 596 ess_setup(sc) 597 struct ess_softc *sc; 598 { 599 600 ess_config_irq(sc); 601 ess_config_drq(sc); 602 603 DPRINTFN(2,("ess_setup: done\n")); 604 } 605 606 /* 607 * Determine the model of ESS chip we are talking to. Currently we 608 * only support ES1888, ES1887 and ES888. The method of determining 609 * the chip is based on the information on page 27 of the ES1887 data 610 * sheet. 611 * 612 * This routine sets the values of sc->sc_model and sc->sc_version. 613 */ 614 int 615 ess_identify(sc) 616 struct ess_softc *sc; 617 { 618 u_char reg1; 619 u_char reg2; 620 u_char reg3; 621 u_int8_t ident[4]; 622 623 sc->sc_model = ESS_UNSUPPORTED; 624 sc->sc_version = 0; 625 626 memset(ident, 0, sizeof(ident)); 627 628 /* 629 * 1. Check legacy ID bytes. These should be 0x68 0x8n, where 630 * n >= 8 for an ES1887 or an ES888. Other values indicate 631 * earlier (unsupported) chips. 632 */ 633 ess_wdsp(sc, ESS_ACMD_LEGACY_ID); 634 635 if ((reg1 = ess_rdsp(sc)) != 0x68) { 636 printf("ess: First ID byte wrong (0x%02x)\n", reg1); 637 return 1; 638 } 639 640 reg2 = ess_rdsp(sc); 641 if (((reg2 & 0xf0) != 0x80) || 642 ((reg2 & 0x0f) < 8)) { 643 printf("ess: Second ID byte wrong (0x%02x)\n", reg2); 644 return 1; 645 } 646 647 /* 648 * Store the ID bytes as the version. 649 */ 650 sc->sc_version = (reg1 << 8) + reg2; 651 652 653 /* 654 * 2. Verify we can change bit 2 in mixer register 0x64. This 655 * should be possible on all supported chips. 656 */ 657 reg1 = ess_read_mix_reg(sc, ESS_MREG_VOLUME_CTRL); 658 reg2 = reg1 ^ 0x04; /* toggle bit 2 */ 659 660 ess_write_mix_reg(sc, ESS_MREG_VOLUME_CTRL, reg2); 661 662 if (ess_read_mix_reg(sc, ESS_MREG_VOLUME_CTRL) != reg2) { 663 printf("ess: Hardware error (unable to toggle bit 2 of mixer register 0x64)\n"); 664 return 1; 665 } 666 667 /* 668 * Restore the original value of mixer register 0x64. 669 */ 670 ess_write_mix_reg(sc, ESS_MREG_VOLUME_CTRL, reg1); 671 672 673 /* 674 * 3. Verify we can change the value of mixer register 675 * ESS_MREG_SAMPLE_RATE. 676 * This is possible on the 1888/1887/888, but not on the 1788. 677 * It is not necessary to restore the value of this mixer register. 678 */ 679 reg1 = ess_read_mix_reg(sc, ESS_MREG_SAMPLE_RATE); 680 reg2 = reg1 ^ 0xff; /* toggle all bits */ 681 682 ess_write_mix_reg(sc, ESS_MREG_SAMPLE_RATE, reg2); 683 684 if (ess_read_mix_reg(sc, ESS_MREG_SAMPLE_RATE) != reg2) { 685 /* If we got this far before failing, it's a 1788. */ 686 sc->sc_model = ESS_1788; 687 688 /* 689 * Identify ESS model for ES18[67]8. 690 */ 691 ess_read_multi_mix_reg(sc, 0x40, ident, sizeof(ident)); 692 if(ident[0] == 0x18) { 693 switch(ident[1]) { 694 case 0x68: 695 sc->sc_model = ESS_1868; 696 break; 697 case 0x78: 698 sc->sc_model = ESS_1878; 699 break; 700 } 701 } 702 } else { 703 /* 704 * 4. Determine if we can change bit 5 in mixer register 0x64. 705 * This determines whether we have an ES1887: 706 * 707 * - can change indicates ES1887 708 * - can't change indicates ES1888 or ES888 709 */ 710 reg1 = ess_read_mix_reg(sc, ESS_MREG_VOLUME_CTRL); 711 reg2 = reg1 ^ 0x20; /* toggle bit 5 */ 712 713 ess_write_mix_reg(sc, ESS_MREG_VOLUME_CTRL, reg2); 714 715 if (ess_read_mix_reg(sc, ESS_MREG_VOLUME_CTRL) == reg2) { 716 sc->sc_model = ESS_1887; 717 718 /* 719 * Restore the original value of mixer register 0x64. 720 */ 721 ess_write_mix_reg(sc, ESS_MREG_VOLUME_CTRL, reg1); 722 723 /* 724 * Identify ESS model for ES18[67]9. 725 */ 726 ess_read_multi_mix_reg(sc, 0x40, ident, sizeof(ident)); 727 if(ident[0] == 0x18) { 728 switch(ident[1]) { 729 case 0x69: 730 sc->sc_model = ESS_1869; 731 break; 732 case 0x79: 733 sc->sc_model = ESS_1879; 734 break; 735 } 736 } 737 } else { 738 /* 739 * 5. Determine if we can change the value of mixer 740 * register 0x69 independently of mixer register 741 * 0x68. This determines which chip we have: 742 * 743 * - can modify idependently indicates ES888 744 * - register 0x69 is an alias of 0x68 indicates ES1888 745 */ 746 reg1 = ess_read_mix_reg(sc, 0x68); 747 reg2 = ess_read_mix_reg(sc, 0x69); 748 reg3 = reg2 ^ 0xff; /* toggle all bits */ 749 750 /* 751 * Write different values to each register. 752 */ 753 ess_write_mix_reg(sc, 0x68, reg2); 754 ess_write_mix_reg(sc, 0x69, reg3); 755 756 if (ess_read_mix_reg(sc, 0x68) == reg2 && 757 ess_read_mix_reg(sc, 0x69) == reg3) 758 sc->sc_model = ESS_888; 759 else 760 sc->sc_model = ESS_1888; 761 762 /* 763 * Restore the original value of the registers. 764 */ 765 ess_write_mix_reg(sc, 0x68, reg1); 766 ess_write_mix_reg(sc, 0x69, reg2); 767 } 768 } 769 770 return 0; 771 } 772 773 774 int 775 ess_setup_sc(sc, doinit) 776 struct ess_softc *sc; 777 int doinit; 778 { 779 780 callout_init(&sc->sc_poll1_ch); 781 callout_init(&sc->sc_poll2_ch); 782 783 /* Reset the chip. */ 784 if (ess_reset(sc) != 0) { 785 DPRINTF(("ess_setup_sc: couldn't reset chip\n")); 786 return (1); 787 } 788 789 /* Identify the ESS chip, and check that it is supported. */ 790 if (ess_identify(sc)) { 791 DPRINTF(("ess_setup_sc: couldn't identify\n")); 792 return (1); 793 } 794 795 return (0); 796 } 797 798 /* 799 * Probe for the ESS hardware. 800 */ 801 int 802 essmatch(sc) 803 struct ess_softc *sc; 804 { 805 if (!ESS_BASE_VALID(sc->sc_iobase)) { 806 printf("ess: configured iobase 0x%x invalid\n", sc->sc_iobase); 807 return (0); 808 } 809 810 /* Configure the ESS chip for the desired audio base address. */ 811 if (ess_config_addr(sc)) 812 return (0); 813 814 if (ess_setup_sc(sc, 1)) 815 return (0); 816 817 if (sc->sc_model == ESS_UNSUPPORTED) { 818 DPRINTF(("ess: Unsupported model\n")); 819 return (0); 820 } 821 822 /* Check that requested DMA channels are valid and different. */ 823 if (!ESS_DRQ1_VALID(sc->sc_audio1.drq)) { 824 printf("ess: record drq %d invalid\n", sc->sc_audio1.drq); 825 return (0); 826 } 827 if (!isa_drq_isfree(sc->sc_ic, sc->sc_audio1.drq)) 828 return (0); 829 if (!ESS_USE_AUDIO1(sc->sc_model)) { 830 if (!ESS_DRQ2_VALID(sc->sc_audio2.drq)) { 831 printf("ess: play drq %d invalid\n", sc->sc_audio2.drq); 832 return (0); 833 } 834 if (sc->sc_audio1.drq == sc->sc_audio2.drq) { 835 printf("ess: play and record drq both %d\n", 836 sc->sc_audio1.drq); 837 return (0); 838 } 839 if (!isa_drq_isfree(sc->sc_ic, sc->sc_audio2.drq)) 840 return (0); 841 } 842 843 /* 844 * The 1887 has an additional IRQ mode where both channels are mapped 845 * to the same IRQ. 846 */ 847 if (sc->sc_model == ESS_1887 && 848 sc->sc_audio1.irq == sc->sc_audio2.irq && 849 sc->sc_audio1.irq != -1 && 850 ESS_IRQ12_VALID(sc->sc_audio1.irq)) 851 goto irq_not1888; 852 853 /* Check that requested IRQ lines are valid and different. */ 854 if (sc->sc_audio1.irq != -1 && 855 !ESS_IRQ1_VALID(sc->sc_audio1.irq)) { 856 printf("ess: record irq %d invalid\n", sc->sc_audio1.irq); 857 return (0); 858 } 859 if (!ESS_USE_AUDIO1(sc->sc_model)) { 860 if (sc->sc_audio2.irq != -1 && 861 !ESS_IRQ2_VALID(sc->sc_audio2.irq)) { 862 printf("ess: play irq %d invalid\n", sc->sc_audio2.irq); 863 return (0); 864 } 865 if (sc->sc_audio1.irq == sc->sc_audio2.irq && 866 sc->sc_audio1.irq != -1) { 867 printf("ess: play and record irq both %d\n", 868 sc->sc_audio1.irq); 869 return (0); 870 } 871 } 872 873 irq_not1888: 874 /* XXX should we check IRQs as well? */ 875 876 return (1); 877 } 878 879 880 /* 881 * Attach hardware to driver, attach hardware driver to audio 882 * pseudo-device driver. 883 */ 884 void 885 essattach(sc) 886 struct ess_softc *sc; 887 { 888 struct audio_attach_args arg; 889 struct audio_params pparams, rparams; 890 int i; 891 u_int v; 892 893 if (ess_setup_sc(sc, 0)) { 894 printf(": setup failed\n"); 895 return; 896 } 897 898 printf(": ESS Technology ES%s [version 0x%04x]\n", 899 essmodel[sc->sc_model], sc->sc_version); 900 901 sc->sc_audio1.polled = sc->sc_audio1.irq == -1; 902 if (!sc->sc_audio1.polled) { 903 sc->sc_audio1.ih = isa_intr_establish(sc->sc_ic, 904 sc->sc_audio1.irq, sc->sc_audio1.ist, IPL_AUDIO, 905 ess_audio1_intr, sc); 906 printf("%s: audio1 interrupting at irq %d\n", 907 sc->sc_dev.dv_xname, sc->sc_audio1.irq); 908 } else 909 printf("%s: audio1 polled\n", sc->sc_dev.dv_xname); 910 sc->sc_audio1.maxsize = isa_dmamaxsize(sc->sc_ic, sc->sc_audio1.drq); 911 if (isa_dmamap_create(sc->sc_ic, sc->sc_audio1.drq, 912 sc->sc_audio1.maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 913 printf("%s: can't create map for drq %d\n", 914 sc->sc_dev.dv_xname, sc->sc_audio1.drq); 915 return; 916 } 917 918 if (!ESS_USE_AUDIO1(sc->sc_model)) { 919 sc->sc_audio2.polled = sc->sc_audio2.irq == -1; 920 if (!sc->sc_audio2.polled) { 921 sc->sc_audio2.ih = isa_intr_establish(sc->sc_ic, 922 sc->sc_audio2.irq, sc->sc_audio2.ist, IPL_AUDIO, 923 ess_audio2_intr, sc); 924 printf("%s: audio2 interrupting at irq %d\n", 925 sc->sc_dev.dv_xname, sc->sc_audio2.irq); 926 } else 927 printf("%s: audio2 polled\n", sc->sc_dev.dv_xname); 928 sc->sc_audio2.maxsize = isa_dmamaxsize(sc->sc_ic, 929 sc->sc_audio2.drq); 930 if (isa_dmamap_create(sc->sc_ic, sc->sc_audio2.drq, 931 sc->sc_audio2.maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 932 printf("%s: can't create map for drq %d\n", 933 sc->sc_dev.dv_xname, sc->sc_audio2.drq); 934 return; 935 } 936 } 937 938 /* 939 * Set record and play parameters to default values defined in 940 * generic audio driver. 941 */ 942 pparams = audio_default; 943 rparams = audio_default; 944 ess_set_params(sc, AUMODE_RECORD|AUMODE_PLAY, 0, &pparams, &rparams); 945 946 /* Do a hardware reset on the mixer. */ 947 ess_write_mix_reg(sc, ESS_MIX_RESET, ESS_MIX_RESET); 948 949 /* 950 * Set volume of Audio 1 to zero and disable Audio 1 DAC input 951 * to playback mixer, since playback is always through Audio 2. 952 */ 953 if (!ESS_USE_AUDIO1(sc->sc_model)) 954 ess_write_mix_reg(sc, ESS_MREG_VOLUME_VOICE, 0); 955 ess_wdsp(sc, ESS_ACMD_DISABLE_SPKR); 956 957 if (ESS_USE_AUDIO1(sc->sc_model)) { 958 ess_write_mix_reg(sc, ESS_MREG_ADC_SOURCE, ESS_SOURCE_MIC); 959 sc->in_port = ESS_SOURCE_MIC; 960 sc->ndevs = ESS_1788_NDEVS; 961 } else { 962 /* 963 * Set hardware record source to use output of the record 964 * mixer. We do the selection of record source in software by 965 * setting the gain of the unused sources to zero. (See 966 * ess_set_in_ports.) 967 */ 968 ess_write_mix_reg(sc, ESS_MREG_ADC_SOURCE, ESS_SOURCE_MIXER); 969 sc->in_mask = 1 << ESS_MIC_REC_VOL; 970 sc->ndevs = ESS_1888_NDEVS; 971 ess_clear_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL2, 0x10); 972 ess_set_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL2, 0x08); 973 } 974 975 /* 976 * Set gain on each mixer device to a sensible value. 977 * Devices not normally used are turned off, and other devices 978 * are set to 50% volume. 979 */ 980 for (i = 0; i < sc->ndevs; i++) { 981 switch (i) { 982 case ESS_MIC_PLAY_VOL: 983 case ESS_LINE_PLAY_VOL: 984 case ESS_CD_PLAY_VOL: 985 case ESS_AUXB_PLAY_VOL: 986 case ESS_DAC_REC_VOL: 987 case ESS_LINE_REC_VOL: 988 case ESS_SYNTH_REC_VOL: 989 case ESS_CD_REC_VOL: 990 case ESS_AUXB_REC_VOL: 991 v = 0; 992 break; 993 default: 994 v = ESS_4BIT_GAIN(AUDIO_MAX_GAIN / 2); 995 break; 996 } 997 sc->gain[i][ESS_LEFT] = sc->gain[i][ESS_RIGHT] = v; 998 ess_set_gain(sc, i, 1); 999 } 1000 1001 ess_setup(sc); 1002 1003 /* Disable the speaker until the device is opened. */ 1004 ess_speaker_off(sc); 1005 sc->spkr_state = SPKR_OFF; 1006 1007 sprintf(ess_device.name, "ES%s", essmodel[sc->sc_model]); 1008 sprintf(ess_device.version, "0x%04x", sc->sc_version); 1009 1010 if (ESS_USE_AUDIO1(sc->sc_model)) 1011 audio_attach_mi(&ess_1788_hw_if, sc, &sc->sc_dev); 1012 else 1013 audio_attach_mi(&ess_1888_hw_if, sc, &sc->sc_dev); 1014 1015 arg.type = AUDIODEV_TYPE_OPL; 1016 arg.hwif = 0; 1017 arg.hdl = 0; 1018 (void)config_found(&sc->sc_dev, &arg, audioprint); 1019 1020 #ifdef AUDIO_DEBUG 1021 if (essdebug > 0) 1022 ess_printsc(sc); 1023 #endif 1024 } 1025 1026 /* 1027 * Various routines to interface to higher level audio driver 1028 */ 1029 1030 int 1031 ess_open(addr, flags) 1032 void *addr; 1033 int flags; 1034 { 1035 struct ess_softc *sc = addr; 1036 int i; 1037 1038 DPRINTF(("ess_open: sc=%p\n", sc)); 1039 1040 if (sc->sc_open != 0 || ess_reset(sc) != 0) 1041 return ENXIO; 1042 1043 ess_setup(sc); /* because we did a reset */ 1044 1045 /* Set all mixer controls again since some change at reset. */ 1046 for (i = 0; i < ESS_MAX_NDEVS; i++) 1047 ess_set_gain(sc, i, 1); 1048 1049 sc->sc_open = 1; 1050 1051 DPRINTF(("ess_open: opened\n")); 1052 1053 return (0); 1054 } 1055 1056 void 1057 ess_1788_close(addr) 1058 void *addr; 1059 { 1060 struct ess_softc *sc = addr; 1061 1062 DPRINTF(("ess_1788_close: sc=%p\n", sc)); 1063 1064 ess_speaker_off(sc); 1065 sc->spkr_state = SPKR_OFF; 1066 1067 ess_audio1_halt(sc); 1068 1069 sc->sc_open = 0; 1070 DPRINTF(("ess_1788_close: closed\n")); 1071 } 1072 1073 void 1074 ess_1888_close(addr) 1075 void *addr; 1076 { 1077 struct ess_softc *sc = addr; 1078 1079 DPRINTF(("ess_1888_close: sc=%p\n", sc)); 1080 1081 ess_speaker_off(sc); 1082 sc->spkr_state = SPKR_OFF; 1083 1084 ess_audio1_halt(sc); 1085 ess_audio2_halt(sc); 1086 1087 sc->sc_open = 0; 1088 DPRINTF(("ess_1888_close: closed\n")); 1089 } 1090 1091 /* 1092 * Wait for FIFO to drain, and analog section to settle. 1093 * XXX should check FIFO empty bit. 1094 */ 1095 int 1096 ess_drain(addr) 1097 void *addr; 1098 { 1099 tsleep(addr, PWAIT | PCATCH, "essdr", hz/20); /* XXX */ 1100 return (0); 1101 } 1102 1103 /* XXX should use reference count */ 1104 int 1105 ess_speaker_ctl(addr, newstate) 1106 void *addr; 1107 int newstate; 1108 { 1109 struct ess_softc *sc = addr; 1110 1111 if ((newstate == SPKR_ON) && (sc->spkr_state == SPKR_OFF)) { 1112 ess_speaker_on(sc); 1113 sc->spkr_state = SPKR_ON; 1114 } 1115 if ((newstate == SPKR_OFF) && (sc->spkr_state == SPKR_ON)) { 1116 ess_speaker_off(sc); 1117 sc->spkr_state = SPKR_OFF; 1118 } 1119 return (0); 1120 } 1121 1122 int 1123 ess_getdev(addr, retp) 1124 void *addr; 1125 struct audio_device *retp; 1126 { 1127 *retp = ess_device; 1128 return (0); 1129 } 1130 1131 int 1132 ess_query_encoding(addr, fp) 1133 void *addr; 1134 struct audio_encoding *fp; 1135 { 1136 /*struct ess_softc *sc = addr;*/ 1137 1138 switch (fp->index) { 1139 case 0: 1140 strcpy(fp->name, AudioEulinear); 1141 fp->encoding = AUDIO_ENCODING_ULINEAR; 1142 fp->precision = 8; 1143 fp->flags = 0; 1144 return (0); 1145 case 1: 1146 strcpy(fp->name, AudioEmulaw); 1147 fp->encoding = AUDIO_ENCODING_ULAW; 1148 fp->precision = 8; 1149 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 1150 return (0); 1151 case 2: 1152 strcpy(fp->name, AudioEalaw); 1153 fp->encoding = AUDIO_ENCODING_ALAW; 1154 fp->precision = 8; 1155 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 1156 return (0); 1157 case 3: 1158 strcpy(fp->name, AudioEslinear); 1159 fp->encoding = AUDIO_ENCODING_SLINEAR; 1160 fp->precision = 8; 1161 fp->flags = 0; 1162 return (0); 1163 case 4: 1164 strcpy(fp->name, AudioEslinear_le); 1165 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 1166 fp->precision = 16; 1167 fp->flags = 0; 1168 return (0); 1169 case 5: 1170 strcpy(fp->name, AudioEulinear_le); 1171 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 1172 fp->precision = 16; 1173 fp->flags = 0; 1174 return (0); 1175 case 6: 1176 strcpy(fp->name, AudioEslinear_be); 1177 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 1178 fp->precision = 16; 1179 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 1180 return (0); 1181 case 7: 1182 strcpy(fp->name, AudioEulinear_be); 1183 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 1184 fp->precision = 16; 1185 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 1186 return (0); 1187 default: 1188 return EINVAL; 1189 } 1190 return (0); 1191 } 1192 1193 int 1194 ess_set_params(addr, setmode, usemode, play, rec) 1195 void *addr; 1196 int setmode, usemode; 1197 struct audio_params *play, *rec; 1198 { 1199 struct ess_softc *sc = addr; 1200 struct audio_params *p; 1201 int mode; 1202 int rate; 1203 1204 DPRINTF(("ess_set_params: set=%d use=%d\n", setmode, usemode)); 1205 1206 /* 1207 * The ES1887 manual (page 39, `Full-Duplex DMA Mode') claims that in 1208 * full-duplex operation the sample rates must be the same for both 1209 * channels. This appears to be false; the only bit in common is the 1210 * clock source selection. However, we'll be conservative here. 1211 * - mycroft 1212 */ 1213 if (play->sample_rate != rec->sample_rate && 1214 usemode == (AUMODE_PLAY | AUMODE_RECORD)) { 1215 if (setmode == AUMODE_PLAY) { 1216 rec->sample_rate = play->sample_rate; 1217 setmode |= AUMODE_RECORD; 1218 } else if (setmode == AUMODE_RECORD) { 1219 play->sample_rate = rec->sample_rate; 1220 setmode |= AUMODE_PLAY; 1221 } else 1222 return (EINVAL); 1223 } 1224 1225 for (mode = AUMODE_RECORD; mode != -1; 1226 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 1227 if ((setmode & mode) == 0) 1228 continue; 1229 1230 p = mode == AUMODE_PLAY ? play : rec; 1231 1232 if (p->sample_rate < ESS_MINRATE || 1233 p->sample_rate > ESS_MAXRATE || 1234 (p->precision != 8 && p->precision != 16) || 1235 (p->channels != 1 && p->channels != 2)) 1236 return (EINVAL); 1237 1238 p->factor = 1; 1239 p->sw_code = 0; 1240 switch (p->encoding) { 1241 case AUDIO_ENCODING_SLINEAR_BE: 1242 case AUDIO_ENCODING_ULINEAR_BE: 1243 if (p->precision == 16) 1244 p->sw_code = swap_bytes; 1245 break; 1246 case AUDIO_ENCODING_SLINEAR_LE: 1247 case AUDIO_ENCODING_ULINEAR_LE: 1248 break; 1249 case AUDIO_ENCODING_ULAW: 1250 if (mode == AUMODE_PLAY) { 1251 p->factor = 2; 1252 p->sw_code = mulaw_to_ulinear16_le; 1253 } else 1254 p->sw_code = ulinear8_to_mulaw; 1255 break; 1256 case AUDIO_ENCODING_ALAW: 1257 if (mode == AUMODE_PLAY) { 1258 p->factor = 2; 1259 p->sw_code = alaw_to_ulinear16_le; 1260 } else 1261 p->sw_code = ulinear8_to_alaw; 1262 break; 1263 default: 1264 return (EINVAL); 1265 } 1266 } 1267 1268 if (usemode == AUMODE_RECORD) 1269 rate = rec->sample_rate; 1270 else 1271 rate = play->sample_rate; 1272 1273 ess_write_x_reg(sc, ESS_XCMD_SAMPLE_RATE, ess_srtotc(rate)); 1274 ess_write_x_reg(sc, ESS_XCMD_FILTER_CLOCK, ess_srtofc(rate)); 1275 1276 if (!ESS_USE_AUDIO1(sc->sc_model)) { 1277 ess_write_mix_reg(sc, ESS_MREG_SAMPLE_RATE, ess_srtotc(rate)); 1278 ess_write_mix_reg(sc, ESS_MREG_FILTER_CLOCK, ess_srtofc(rate)); 1279 } 1280 1281 return (0); 1282 } 1283 1284 int 1285 ess_audio1_trigger_output(addr, start, end, blksize, intr, arg, param) 1286 void *addr; 1287 void *start, *end; 1288 int blksize; 1289 void (*intr) __P((void *)); 1290 void *arg; 1291 struct audio_params *param; 1292 { 1293 struct ess_softc *sc = addr; 1294 u_int8_t reg; 1295 1296 DPRINTFN(1, ("ess_audio1_trigger_output: sc=%p start=%p end=%p blksize=%d intr=%p(%p)\n", 1297 addr, start, end, blksize, intr, arg)); 1298 1299 if (sc->sc_audio1.active) 1300 panic("ess_audio1_trigger_output: already running"); 1301 1302 sc->sc_audio1.active = 1; 1303 sc->sc_audio1.intr = intr; 1304 sc->sc_audio1.arg = arg; 1305 if (sc->sc_audio1.polled) { 1306 sc->sc_audio1.dmapos = 0; 1307 sc->sc_audio1.buffersize = (char *)end - (char *)start; 1308 sc->sc_audio1.dmacount = 0; 1309 sc->sc_audio1.blksize = blksize; 1310 callout_reset(&sc->sc_poll1_ch, hz / 30, 1311 ess_audio1_poll, sc); 1312 } 1313 1314 reg = ess_read_x_reg(sc, ESS_XCMD_AUDIO_CTRL); 1315 if (param->channels == 2) { 1316 reg &= ~ESS_AUDIO_CTRL_MONO; 1317 reg |= ESS_AUDIO_CTRL_STEREO; 1318 } else { 1319 reg |= ESS_AUDIO_CTRL_MONO; 1320 reg &= ~ESS_AUDIO_CTRL_STEREO; 1321 } 1322 ess_write_x_reg(sc, ESS_XCMD_AUDIO_CTRL, reg); 1323 1324 reg = ess_read_x_reg(sc, ESS_XCMD_AUDIO1_CTRL1); 1325 if (param->precision * param->factor == 16) 1326 reg |= ESS_AUDIO1_CTRL1_FIFO_SIZE; 1327 else 1328 reg &= ~ESS_AUDIO1_CTRL1_FIFO_SIZE; 1329 if (param->channels == 2) 1330 reg |= ESS_AUDIO1_CTRL1_FIFO_STEREO; 1331 else 1332 reg &= ~ESS_AUDIO1_CTRL1_FIFO_STEREO; 1333 if (param->encoding == AUDIO_ENCODING_SLINEAR_BE || 1334 param->encoding == AUDIO_ENCODING_SLINEAR_LE) 1335 reg |= ESS_AUDIO1_CTRL1_FIFO_SIGNED; 1336 else 1337 reg &= ~ESS_AUDIO1_CTRL1_FIFO_SIGNED; 1338 reg |= ESS_AUDIO1_CTRL1_FIFO_CONNECT; 1339 ess_write_x_reg(sc, ESS_XCMD_AUDIO1_CTRL1, reg); 1340 1341 isa_dmastart(sc->sc_ic, sc->sc_audio1.drq, start, 1342 (char *)end - (char *)start, NULL, 1343 DMAMODE_WRITE | DMAMODE_LOOPDEMAND, BUS_DMA_NOWAIT); 1344 1345 /* Program transfer count registers with 2's complement of count. */ 1346 blksize = -blksize; 1347 ess_write_x_reg(sc, ESS_XCMD_XFER_COUNTLO, blksize); 1348 ess_write_x_reg(sc, ESS_XCMD_XFER_COUNTHI, blksize >> 8); 1349 1350 /* Use 4 bytes per output DMA. */ 1351 ess_set_xreg_bits(sc, ESS_XCMD_DEMAND_CTRL, ESS_DEMAND_CTRL_DEMAND_4); 1352 1353 /* Start auto-init DMA */ 1354 ess_wdsp(sc, ESS_ACMD_ENABLE_SPKR); 1355 reg = ess_read_x_reg(sc, ESS_XCMD_AUDIO1_CTRL2); 1356 reg &= ~(ESS_AUDIO1_CTRL2_DMA_READ | ESS_AUDIO1_CTRL2_ADC_ENABLE); 1357 reg |= ESS_AUDIO1_CTRL2_FIFO_ENABLE | ESS_AUDIO1_CTRL2_AUTO_INIT; 1358 ess_write_x_reg(sc, ESS_XCMD_AUDIO1_CTRL2, reg); 1359 1360 return (0); 1361 } 1362 1363 int 1364 ess_audio2_trigger_output(addr, start, end, blksize, intr, arg, param) 1365 void *addr; 1366 void *start, *end; 1367 int blksize; 1368 void (*intr) __P((void *)); 1369 void *arg; 1370 struct audio_params *param; 1371 { 1372 struct ess_softc *sc = addr; 1373 u_int8_t reg; 1374 1375 DPRINTFN(1, ("ess_audio2_trigger_output: sc=%p start=%p end=%p blksize=%d intr=%p(%p)\n", 1376 addr, start, end, blksize, intr, arg)); 1377 1378 if (sc->sc_audio2.active) 1379 panic("ess_audio2_trigger_output: already running"); 1380 1381 sc->sc_audio2.active = 1; 1382 sc->sc_audio2.intr = intr; 1383 sc->sc_audio2.arg = arg; 1384 if (sc->sc_audio2.polled) { 1385 sc->sc_audio2.dmapos = 0; 1386 sc->sc_audio2.buffersize = (char *)end - (char *)start; 1387 sc->sc_audio2.dmacount = 0; 1388 sc->sc_audio2.blksize = blksize; 1389 callout_reset(&sc->sc_poll2_ch, hz / 30, 1390 ess_audio2_poll, sc); 1391 } 1392 1393 reg = ess_read_mix_reg(sc, ESS_MREG_AUDIO2_CTRL2); 1394 if (param->precision * param->factor == 16) 1395 reg |= ESS_AUDIO2_CTRL2_FIFO_SIZE; 1396 else 1397 reg &= ~ESS_AUDIO2_CTRL2_FIFO_SIZE; 1398 if (param->channels == 2) 1399 reg |= ESS_AUDIO2_CTRL2_CHANNELS; 1400 else 1401 reg &= ~ESS_AUDIO2_CTRL2_CHANNELS; 1402 if (param->encoding == AUDIO_ENCODING_SLINEAR_BE || 1403 param->encoding == AUDIO_ENCODING_SLINEAR_LE) 1404 reg |= ESS_AUDIO2_CTRL2_FIFO_SIGNED; 1405 else 1406 reg &= ~ESS_AUDIO2_CTRL2_FIFO_SIGNED; 1407 ess_write_mix_reg(sc, ESS_MREG_AUDIO2_CTRL2, reg); 1408 1409 isa_dmastart(sc->sc_ic, sc->sc_audio2.drq, start, 1410 (char *)end - (char *)start, NULL, 1411 DMAMODE_WRITE | DMAMODE_LOOPDEMAND, BUS_DMA_NOWAIT); 1412 1413 if (IS16BITDRQ(sc->sc_audio2.drq)) 1414 blksize >>= 1; /* use word count for 16 bit DMA */ 1415 /* Program transfer count registers with 2's complement of count. */ 1416 blksize = -blksize; 1417 ess_write_mix_reg(sc, ESS_MREG_XFER_COUNTLO, blksize); 1418 ess_write_mix_reg(sc, ESS_MREG_XFER_COUNTHI, blksize >> 8); 1419 1420 reg = ess_read_mix_reg(sc, ESS_MREG_AUDIO2_CTRL1); 1421 if (IS16BITDRQ(sc->sc_audio2.drq)) 1422 reg |= ESS_AUDIO2_CTRL1_XFER_SIZE; 1423 else 1424 reg &= ~ESS_AUDIO2_CTRL1_XFER_SIZE; 1425 reg |= ESS_AUDIO2_CTRL1_DEMAND_8; 1426 reg |= ESS_AUDIO2_CTRL1_DAC_ENABLE | ESS_AUDIO2_CTRL1_FIFO_ENABLE | 1427 ESS_AUDIO2_CTRL1_AUTO_INIT; 1428 ess_write_mix_reg(sc, ESS_MREG_AUDIO2_CTRL1, reg); 1429 1430 return (0); 1431 } 1432 1433 int 1434 ess_audio1_trigger_input(addr, start, end, blksize, intr, arg, param) 1435 void *addr; 1436 void *start, *end; 1437 int blksize; 1438 void (*intr) __P((void *)); 1439 void *arg; 1440 struct audio_params *param; 1441 { 1442 struct ess_softc *sc = addr; 1443 u_int8_t reg; 1444 1445 DPRINTFN(1, ("ess_audio1_trigger_input: sc=%p start=%p end=%p blksize=%d intr=%p(%p)\n", 1446 addr, start, end, blksize, intr, arg)); 1447 1448 if (sc->sc_audio1.active) 1449 panic("ess_audio1_trigger_input: already running"); 1450 1451 sc->sc_audio1.active = 1; 1452 sc->sc_audio1.intr = intr; 1453 sc->sc_audio1.arg = arg; 1454 if (sc->sc_audio1.polled) { 1455 sc->sc_audio1.dmapos = 0; 1456 sc->sc_audio1.buffersize = (char *)end - (char *)start; 1457 sc->sc_audio1.dmacount = 0; 1458 sc->sc_audio1.blksize = blksize; 1459 callout_reset(&sc->sc_poll1_ch, hz / 30, 1460 ess_audio1_poll, sc); 1461 } 1462 1463 reg = ess_read_x_reg(sc, ESS_XCMD_AUDIO_CTRL); 1464 if (param->channels == 2) { 1465 reg &= ~ESS_AUDIO_CTRL_MONO; 1466 reg |= ESS_AUDIO_CTRL_STEREO; 1467 } else { 1468 reg |= ESS_AUDIO_CTRL_MONO; 1469 reg &= ~ESS_AUDIO_CTRL_STEREO; 1470 } 1471 ess_write_x_reg(sc, ESS_XCMD_AUDIO_CTRL, reg); 1472 1473 reg = ess_read_x_reg(sc, ESS_XCMD_AUDIO1_CTRL1); 1474 if (param->precision * param->factor == 16) 1475 reg |= ESS_AUDIO1_CTRL1_FIFO_SIZE; 1476 else 1477 reg &= ~ESS_AUDIO1_CTRL1_FIFO_SIZE; 1478 if (param->channels == 2) 1479 reg |= ESS_AUDIO1_CTRL1_FIFO_STEREO; 1480 else 1481 reg &= ~ESS_AUDIO1_CTRL1_FIFO_STEREO; 1482 if (param->encoding == AUDIO_ENCODING_SLINEAR_BE || 1483 param->encoding == AUDIO_ENCODING_SLINEAR_LE) 1484 reg |= ESS_AUDIO1_CTRL1_FIFO_SIGNED; 1485 else 1486 reg &= ~ESS_AUDIO1_CTRL1_FIFO_SIGNED; 1487 reg |= ESS_AUDIO1_CTRL1_FIFO_CONNECT; 1488 ess_write_x_reg(sc, ESS_XCMD_AUDIO1_CTRL1, reg); 1489 1490 isa_dmastart(sc->sc_ic, sc->sc_audio1.drq, start, 1491 (char *)end - (char *)start, NULL, 1492 DMAMODE_READ | DMAMODE_LOOPDEMAND, BUS_DMA_NOWAIT); 1493 1494 /* Program transfer count registers with 2's complement of count. */ 1495 blksize = -blksize; 1496 ess_write_x_reg(sc, ESS_XCMD_XFER_COUNTLO, blksize); 1497 ess_write_x_reg(sc, ESS_XCMD_XFER_COUNTHI, blksize >> 8); 1498 1499 /* Use 4 bytes per input DMA. */ 1500 ess_set_xreg_bits(sc, ESS_XCMD_DEMAND_CTRL, ESS_DEMAND_CTRL_DEMAND_4); 1501 1502 /* Start auto-init DMA */ 1503 ess_wdsp(sc, ESS_ACMD_DISABLE_SPKR); 1504 reg = ess_read_x_reg(sc, ESS_XCMD_AUDIO1_CTRL2); 1505 reg |= ESS_AUDIO1_CTRL2_DMA_READ | ESS_AUDIO1_CTRL2_ADC_ENABLE; 1506 reg |= ESS_AUDIO1_CTRL2_FIFO_ENABLE | ESS_AUDIO1_CTRL2_AUTO_INIT; 1507 ess_write_x_reg(sc, ESS_XCMD_AUDIO1_CTRL2, reg); 1508 1509 return (0); 1510 } 1511 1512 int 1513 ess_audio1_halt(addr) 1514 void *addr; 1515 { 1516 struct ess_softc *sc = addr; 1517 1518 DPRINTF(("ess_audio1_halt: sc=%p\n", sc)); 1519 1520 if (sc->sc_audio1.active) { 1521 ess_clear_xreg_bits(sc, ESS_XCMD_AUDIO1_CTRL2, 1522 ESS_AUDIO1_CTRL2_FIFO_ENABLE); 1523 isa_dmaabort(sc->sc_ic, sc->sc_audio1.drq); 1524 if (sc->sc_audio1.polled) 1525 callout_stop(&sc->sc_poll1_ch); 1526 sc->sc_audio1.active = 0; 1527 } 1528 1529 return (0); 1530 } 1531 1532 int 1533 ess_audio2_halt(addr) 1534 void *addr; 1535 { 1536 struct ess_softc *sc = addr; 1537 1538 DPRINTF(("ess_audio2_halt: sc=%p\n", sc)); 1539 1540 if (sc->sc_audio2.active) { 1541 ess_clear_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL1, 1542 ESS_AUDIO2_CTRL1_DAC_ENABLE | 1543 ESS_AUDIO2_CTRL1_FIFO_ENABLE); 1544 isa_dmaabort(sc->sc_ic, sc->sc_audio2.drq); 1545 if (sc->sc_audio2.polled) 1546 callout_stop(&sc->sc_poll2_ch); 1547 sc->sc_audio2.active = 0; 1548 } 1549 1550 return (0); 1551 } 1552 1553 int 1554 ess_audio1_intr(arg) 1555 void *arg; 1556 { 1557 struct ess_softc *sc = arg; 1558 u_int8_t reg; 1559 1560 DPRINTFN(1,("ess_audio1_intr: intr=%p\n", sc->sc_audio1.intr)); 1561 1562 /* Check and clear interrupt on Audio1. */ 1563 reg = EREAD1(sc->sc_iot, sc->sc_ioh, ESS_DSP_RW_STATUS); 1564 if ((reg & ESS_DSP_READ_OFLOW) == 0) 1565 return (0); 1566 reg = EREAD1(sc->sc_iot, sc->sc_ioh, ESS_CLEAR_INTR); 1567 1568 sc->sc_audio1.nintr++; 1569 1570 if (sc->sc_audio1.active) { 1571 (*sc->sc_audio1.intr)(sc->sc_audio1.arg); 1572 return (1); 1573 } else 1574 return (0); 1575 } 1576 1577 int 1578 ess_audio2_intr(arg) 1579 void *arg; 1580 { 1581 struct ess_softc *sc = arg; 1582 u_int8_t reg; 1583 1584 DPRINTFN(1,("ess_audio2_intr: intr=%p\n", sc->sc_audio2.intr)); 1585 1586 /* Check and clear interrupt on Audio2. */ 1587 reg = ess_read_mix_reg(sc, ESS_MREG_AUDIO2_CTRL2); 1588 if ((reg & ESS_AUDIO2_CTRL2_IRQ_LATCH) == 0) 1589 return (0); 1590 reg &= ~ESS_AUDIO2_CTRL2_IRQ_LATCH; 1591 ess_write_mix_reg(sc, ESS_MREG_AUDIO2_CTRL2, reg); 1592 1593 sc->sc_audio2.nintr++; 1594 1595 if (sc->sc_audio2.active) { 1596 (*sc->sc_audio2.intr)(sc->sc_audio2.arg); 1597 return (1); 1598 } else 1599 return (0); 1600 } 1601 1602 void 1603 ess_audio1_poll(addr) 1604 void *addr; 1605 { 1606 struct ess_softc *sc = addr; 1607 int dmapos, dmacount; 1608 1609 if (!sc->sc_audio1.active) 1610 return; 1611 1612 sc->sc_audio1.nintr++; 1613 1614 dmapos = isa_dmacount(sc->sc_ic, sc->sc_audio1.drq); 1615 dmacount = sc->sc_audio1.dmapos - dmapos; 1616 if (dmacount < 0) 1617 dmacount += sc->sc_audio1.buffersize; 1618 sc->sc_audio1.dmapos = dmapos; 1619 #if 1 1620 dmacount += sc->sc_audio1.dmacount; 1621 while (dmacount > sc->sc_audio1.blksize) { 1622 dmacount -= sc->sc_audio1.blksize; 1623 (*sc->sc_audio1.intr)(sc->sc_audio1.arg); 1624 } 1625 sc->sc_audio1.dmacount = dmacount; 1626 #else 1627 (*sc->sc_audio1.intr)(sc->sc_audio1.arg, dmacount); 1628 #endif 1629 1630 callout_reset(&sc->sc_poll1_ch, hz / 30, ess_audio1_poll, sc); 1631 } 1632 1633 void 1634 ess_audio2_poll(addr) 1635 void *addr; 1636 { 1637 struct ess_softc *sc = addr; 1638 int dmapos, dmacount; 1639 1640 if (!sc->sc_audio2.active) 1641 return; 1642 1643 sc->sc_audio2.nintr++; 1644 1645 dmapos = isa_dmacount(sc->sc_ic, sc->sc_audio2.drq); 1646 dmacount = sc->sc_audio2.dmapos - dmapos; 1647 if (dmacount < 0) 1648 dmacount += sc->sc_audio2.buffersize; 1649 sc->sc_audio2.dmapos = dmapos; 1650 #if 1 1651 dmacount += sc->sc_audio2.dmacount; 1652 while (dmacount > sc->sc_audio2.blksize) { 1653 dmacount -= sc->sc_audio2.blksize; 1654 (*sc->sc_audio2.intr)(sc->sc_audio2.arg); 1655 } 1656 sc->sc_audio2.dmacount = dmacount; 1657 #else 1658 (*sc->sc_audio2.intr)(sc->sc_audio2.arg, dmacount); 1659 #endif 1660 1661 callout_reset(&sc->sc_poll2_ch, hz / 30, ess_audio2_poll, sc); 1662 } 1663 1664 int 1665 ess_round_blocksize(addr, blk) 1666 void *addr; 1667 int blk; 1668 { 1669 return (blk & -8); /* round for max DMA size */ 1670 } 1671 1672 int 1673 ess_set_port(addr, cp) 1674 void *addr; 1675 mixer_ctrl_t *cp; 1676 { 1677 struct ess_softc *sc = addr; 1678 int lgain, rgain; 1679 1680 DPRINTFN(5,("ess_set_port: port=%d num_channels=%d\n", 1681 cp->dev, cp->un.value.num_channels)); 1682 1683 switch (cp->dev) { 1684 /* 1685 * The following mixer ports are all stereo. If we get a 1686 * single-channel gain value passed in, then we duplicate it 1687 * to both left and right channels. 1688 */ 1689 case ESS_MASTER_VOL: 1690 case ESS_DAC_PLAY_VOL: 1691 case ESS_MIC_PLAY_VOL: 1692 case ESS_LINE_PLAY_VOL: 1693 case ESS_SYNTH_PLAY_VOL: 1694 case ESS_CD_PLAY_VOL: 1695 case ESS_AUXB_PLAY_VOL: 1696 case ESS_RECORD_VOL: 1697 if (cp->type != AUDIO_MIXER_VALUE) 1698 return EINVAL; 1699 1700 switch (cp->un.value.num_channels) { 1701 case 1: 1702 lgain = rgain = ESS_4BIT_GAIN( 1703 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1704 break; 1705 case 2: 1706 lgain = ESS_4BIT_GAIN( 1707 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]); 1708 rgain = ESS_4BIT_GAIN( 1709 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]); 1710 break; 1711 default: 1712 return EINVAL; 1713 } 1714 1715 sc->gain[cp->dev][ESS_LEFT] = lgain; 1716 sc->gain[cp->dev][ESS_RIGHT] = rgain; 1717 ess_set_gain(sc, cp->dev, 1); 1718 return (0); 1719 1720 /* 1721 * The PC speaker port is mono. If we get a stereo gain value 1722 * passed in, then we return EINVAL. 1723 */ 1724 case ESS_PCSPEAKER_VOL: 1725 if (cp->un.value.num_channels != 1) 1726 return EINVAL; 1727 1728 sc->gain[cp->dev][ESS_LEFT] = sc->gain[cp->dev][ESS_RIGHT] = 1729 ESS_3BIT_GAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1730 ess_set_gain(sc, cp->dev, 1); 1731 return (0); 1732 1733 case ESS_RECORD_SOURCE: 1734 if (ESS_USE_AUDIO1(sc->sc_model)) { 1735 if (cp->type == AUDIO_MIXER_ENUM) 1736 return (ess_set_in_port(sc, cp->un.ord)); 1737 else 1738 return (EINVAL); 1739 } else { 1740 if (cp->type == AUDIO_MIXER_SET) 1741 return (ess_set_in_ports(sc, cp->un.mask)); 1742 else 1743 return (EINVAL); 1744 } 1745 return (0); 1746 1747 case ESS_RECORD_MONITOR: 1748 if (cp->type != AUDIO_MIXER_ENUM) 1749 return EINVAL; 1750 1751 if (cp->un.ord) 1752 /* Enable monitor */ 1753 ess_set_xreg_bits(sc, ESS_XCMD_AUDIO_CTRL, 1754 ESS_AUDIO_CTRL_MONITOR); 1755 else 1756 /* Disable monitor */ 1757 ess_clear_xreg_bits(sc, ESS_XCMD_AUDIO_CTRL, 1758 ESS_AUDIO_CTRL_MONITOR); 1759 return (0); 1760 } 1761 1762 if (ESS_USE_AUDIO1(sc->sc_model)) 1763 return (EINVAL); 1764 1765 switch (cp->dev) { 1766 case ESS_DAC_REC_VOL: 1767 case ESS_MIC_REC_VOL: 1768 case ESS_LINE_REC_VOL: 1769 case ESS_SYNTH_REC_VOL: 1770 case ESS_CD_REC_VOL: 1771 case ESS_AUXB_REC_VOL: 1772 if (cp->type != AUDIO_MIXER_VALUE) 1773 return EINVAL; 1774 1775 switch (cp->un.value.num_channels) { 1776 case 1: 1777 lgain = rgain = ESS_4BIT_GAIN( 1778 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1779 break; 1780 case 2: 1781 lgain = ESS_4BIT_GAIN( 1782 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]); 1783 rgain = ESS_4BIT_GAIN( 1784 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]); 1785 break; 1786 default: 1787 return EINVAL; 1788 } 1789 1790 sc->gain[cp->dev][ESS_LEFT] = lgain; 1791 sc->gain[cp->dev][ESS_RIGHT] = rgain; 1792 ess_set_gain(sc, cp->dev, 1); 1793 return (0); 1794 1795 case ESS_MIC_PREAMP: 1796 if (cp->type != AUDIO_MIXER_ENUM) 1797 return EINVAL; 1798 1799 if (cp->un.ord) 1800 /* Enable microphone preamp */ 1801 ess_set_xreg_bits(sc, ESS_XCMD_PREAMP_CTRL, 1802 ESS_PREAMP_CTRL_ENABLE); 1803 else 1804 /* Disable microphone preamp */ 1805 ess_clear_xreg_bits(sc, ESS_XCMD_PREAMP_CTRL, 1806 ESS_PREAMP_CTRL_ENABLE); 1807 return (0); 1808 } 1809 1810 return (EINVAL); 1811 } 1812 1813 int 1814 ess_get_port(addr, cp) 1815 void *addr; 1816 mixer_ctrl_t *cp; 1817 { 1818 struct ess_softc *sc = addr; 1819 1820 DPRINTFN(5,("ess_get_port: port=%d\n", cp->dev)); 1821 1822 switch (cp->dev) { 1823 case ESS_MASTER_VOL: 1824 case ESS_DAC_PLAY_VOL: 1825 case ESS_MIC_PLAY_VOL: 1826 case ESS_LINE_PLAY_VOL: 1827 case ESS_SYNTH_PLAY_VOL: 1828 case ESS_CD_PLAY_VOL: 1829 case ESS_AUXB_PLAY_VOL: 1830 case ESS_RECORD_VOL: 1831 switch (cp->un.value.num_channels) { 1832 case 1: 1833 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 1834 sc->gain[cp->dev][ESS_LEFT]; 1835 break; 1836 case 2: 1837 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 1838 sc->gain[cp->dev][ESS_LEFT]; 1839 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 1840 sc->gain[cp->dev][ESS_RIGHT]; 1841 break; 1842 default: 1843 return EINVAL; 1844 } 1845 return (0); 1846 1847 case ESS_PCSPEAKER_VOL: 1848 if (cp->un.value.num_channels != 1) 1849 return EINVAL; 1850 1851 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 1852 sc->gain[cp->dev][ESS_LEFT]; 1853 return (0); 1854 1855 case ESS_RECORD_SOURCE: 1856 if (ESS_USE_AUDIO1(sc->sc_model)) 1857 cp->un.ord = sc->in_port; 1858 else 1859 cp->un.mask = sc->in_mask; 1860 return (0); 1861 1862 case ESS_RECORD_MONITOR: 1863 cp->un.ord = (ess_read_x_reg(sc, ESS_XCMD_AUDIO_CTRL) & 1864 ESS_AUDIO_CTRL_MONITOR) ? 1 : 0; 1865 return (0); 1866 } 1867 1868 if (ESS_USE_AUDIO1(sc->sc_model)) 1869 return (EINVAL); 1870 1871 switch (cp->dev) { 1872 case ESS_DAC_REC_VOL: 1873 case ESS_MIC_REC_VOL: 1874 case ESS_LINE_REC_VOL: 1875 case ESS_SYNTH_REC_VOL: 1876 case ESS_CD_REC_VOL: 1877 case ESS_AUXB_REC_VOL: 1878 switch (cp->un.value.num_channels) { 1879 case 1: 1880 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 1881 sc->gain[cp->dev][ESS_LEFT]; 1882 break; 1883 case 2: 1884 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 1885 sc->gain[cp->dev][ESS_LEFT]; 1886 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 1887 sc->gain[cp->dev][ESS_RIGHT]; 1888 break; 1889 default: 1890 return EINVAL; 1891 } 1892 return (0); 1893 1894 case ESS_MIC_PREAMP: 1895 cp->un.ord = (ess_read_x_reg(sc, ESS_XCMD_PREAMP_CTRL) & 1896 ESS_PREAMP_CTRL_ENABLE) ? 1 : 0; 1897 return (0); 1898 } 1899 1900 return (EINVAL); 1901 } 1902 1903 int 1904 ess_query_devinfo(addr, dip) 1905 void *addr; 1906 mixer_devinfo_t *dip; 1907 { 1908 struct ess_softc *sc = addr; 1909 1910 DPRINTFN(5,("ess_query_devinfo: model=%d index=%d\n", 1911 sc->sc_model, dip->index)); 1912 1913 /* 1914 * REVISIT: There are some slight differences between the 1915 * mixers on the different ESS chips, which can 1916 * be sorted out using the chip model rather than a 1917 * separate mixer model. 1918 * This is currently coded assuming an ES1887; we 1919 * need to work out which bits are not applicable to 1920 * the other models (1888 and 888). 1921 */ 1922 switch (dip->index) { 1923 case ESS_DAC_PLAY_VOL: 1924 dip->mixer_class = ESS_INPUT_CLASS; 1925 dip->next = dip->prev = AUDIO_MIXER_LAST; 1926 strcpy(dip->label.name, AudioNdac); 1927 dip->type = AUDIO_MIXER_VALUE; 1928 dip->un.v.num_channels = 2; 1929 strcpy(dip->un.v.units.name, AudioNvolume); 1930 return (0); 1931 1932 case ESS_MIC_PLAY_VOL: 1933 dip->mixer_class = ESS_INPUT_CLASS; 1934 dip->prev = AUDIO_MIXER_LAST; 1935 if (ESS_USE_AUDIO1(sc->sc_model)) 1936 dip->next = AUDIO_MIXER_LAST; 1937 else 1938 dip->next = ESS_MIC_PREAMP; 1939 strcpy(dip->label.name, AudioNmicrophone); 1940 dip->type = AUDIO_MIXER_VALUE; 1941 dip->un.v.num_channels = 2; 1942 strcpy(dip->un.v.units.name, AudioNvolume); 1943 return (0); 1944 1945 case ESS_LINE_PLAY_VOL: 1946 dip->mixer_class = ESS_INPUT_CLASS; 1947 dip->next = dip->prev = AUDIO_MIXER_LAST; 1948 strcpy(dip->label.name, AudioNline); 1949 dip->type = AUDIO_MIXER_VALUE; 1950 dip->un.v.num_channels = 2; 1951 strcpy(dip->un.v.units.name, AudioNvolume); 1952 return (0); 1953 1954 case ESS_SYNTH_PLAY_VOL: 1955 dip->mixer_class = ESS_INPUT_CLASS; 1956 dip->next = dip->prev = AUDIO_MIXER_LAST; 1957 strcpy(dip->label.name, AudioNfmsynth); 1958 dip->type = AUDIO_MIXER_VALUE; 1959 dip->un.v.num_channels = 2; 1960 strcpy(dip->un.v.units.name, AudioNvolume); 1961 return (0); 1962 1963 case ESS_CD_PLAY_VOL: 1964 dip->mixer_class = ESS_INPUT_CLASS; 1965 dip->next = dip->prev = AUDIO_MIXER_LAST; 1966 strcpy(dip->label.name, AudioNcd); 1967 dip->type = AUDIO_MIXER_VALUE; 1968 dip->un.v.num_channels = 2; 1969 strcpy(dip->un.v.units.name, AudioNvolume); 1970 return (0); 1971 1972 case ESS_AUXB_PLAY_VOL: 1973 dip->mixer_class = ESS_INPUT_CLASS; 1974 dip->next = dip->prev = AUDIO_MIXER_LAST; 1975 strcpy(dip->label.name, "auxb"); 1976 dip->type = AUDIO_MIXER_VALUE; 1977 dip->un.v.num_channels = 2; 1978 strcpy(dip->un.v.units.name, AudioNvolume); 1979 return (0); 1980 1981 case ESS_INPUT_CLASS: 1982 dip->mixer_class = ESS_INPUT_CLASS; 1983 dip->next = dip->prev = AUDIO_MIXER_LAST; 1984 strcpy(dip->label.name, AudioCinputs); 1985 dip->type = AUDIO_MIXER_CLASS; 1986 return (0); 1987 1988 case ESS_MASTER_VOL: 1989 dip->mixer_class = ESS_OUTPUT_CLASS; 1990 dip->next = dip->prev = AUDIO_MIXER_LAST; 1991 strcpy(dip->label.name, AudioNmaster); 1992 dip->type = AUDIO_MIXER_VALUE; 1993 dip->un.v.num_channels = 2; 1994 strcpy(dip->un.v.units.name, AudioNvolume); 1995 return (0); 1996 1997 case ESS_PCSPEAKER_VOL: 1998 dip->mixer_class = ESS_OUTPUT_CLASS; 1999 dip->next = dip->prev = AUDIO_MIXER_LAST; 2000 strcpy(dip->label.name, "pc_speaker"); 2001 dip->type = AUDIO_MIXER_VALUE; 2002 dip->un.v.num_channels = 1; 2003 strcpy(dip->un.v.units.name, AudioNvolume); 2004 return (0); 2005 2006 case ESS_OUTPUT_CLASS: 2007 dip->mixer_class = ESS_OUTPUT_CLASS; 2008 dip->next = dip->prev = AUDIO_MIXER_LAST; 2009 strcpy(dip->label.name, AudioCoutputs); 2010 dip->type = AUDIO_MIXER_CLASS; 2011 return (0); 2012 2013 case ESS_RECORD_VOL: 2014 dip->mixer_class = ESS_RECORD_CLASS; 2015 dip->next = dip->prev = AUDIO_MIXER_LAST; 2016 strcpy(dip->label.name, AudioNrecord); 2017 dip->type = AUDIO_MIXER_VALUE; 2018 dip->un.v.num_channels = 2; 2019 strcpy(dip->un.v.units.name, AudioNvolume); 2020 return (0); 2021 2022 case ESS_RECORD_SOURCE: 2023 dip->mixer_class = ESS_RECORD_CLASS; 2024 dip->next = dip->prev = AUDIO_MIXER_LAST; 2025 strcpy(dip->label.name, AudioNsource); 2026 if (ESS_USE_AUDIO1(sc->sc_model)) { 2027 /* 2028 * The 1788 doesn't use the input mixer control that 2029 * the 1888 uses, because it's a pain when you only 2030 * have one mixer. 2031 * Perhaps it could be emulated by keeping both sets of 2032 * gain values, and doing a `context switch' of the 2033 * mixer registers when shifting from playing to 2034 * recording. 2035 */ 2036 dip->type = AUDIO_MIXER_ENUM; 2037 dip->un.e.num_mem = 4; 2038 strcpy(dip->un.e.member[0].label.name, AudioNmicrophone); 2039 dip->un.e.member[0].ord = ESS_SOURCE_MIC; 2040 strcpy(dip->un.e.member[1].label.name, AudioNline); 2041 dip->un.e.member[1].ord = ESS_SOURCE_LINE; 2042 strcpy(dip->un.e.member[2].label.name, AudioNcd); 2043 dip->un.e.member[2].ord = ESS_SOURCE_CD; 2044 strcpy(dip->un.e.member[3].label.name, AudioNmixerout); 2045 dip->un.e.member[3].ord = ESS_SOURCE_MIXER; 2046 } else { 2047 dip->type = AUDIO_MIXER_SET; 2048 dip->un.s.num_mem = 6; 2049 strcpy(dip->un.s.member[0].label.name, AudioNdac); 2050 dip->un.s.member[0].mask = 1 << ESS_DAC_REC_VOL; 2051 strcpy(dip->un.s.member[1].label.name, AudioNmicrophone); 2052 dip->un.s.member[1].mask = 1 << ESS_MIC_REC_VOL; 2053 strcpy(dip->un.s.member[2].label.name, AudioNline); 2054 dip->un.s.member[2].mask = 1 << ESS_LINE_REC_VOL; 2055 strcpy(dip->un.s.member[3].label.name, AudioNfmsynth); 2056 dip->un.s.member[3].mask = 1 << ESS_SYNTH_REC_VOL; 2057 strcpy(dip->un.s.member[4].label.name, AudioNcd); 2058 dip->un.s.member[4].mask = 1 << ESS_CD_REC_VOL; 2059 strcpy(dip->un.s.member[5].label.name, "auxb"); 2060 dip->un.s.member[5].mask = 1 << ESS_AUXB_REC_VOL; 2061 } 2062 return (0); 2063 2064 case ESS_RECORD_CLASS: 2065 dip->mixer_class = ESS_RECORD_CLASS; 2066 dip->next = dip->prev = AUDIO_MIXER_LAST; 2067 strcpy(dip->label.name, AudioCrecord); 2068 dip->type = AUDIO_MIXER_CLASS; 2069 return (0); 2070 2071 case ESS_RECORD_MONITOR: 2072 dip->prev = dip->next = AUDIO_MIXER_LAST; 2073 strcpy(dip->label.name, AudioNmute); 2074 dip->type = AUDIO_MIXER_ENUM; 2075 dip->mixer_class = ESS_MONITOR_CLASS; 2076 dip->un.e.num_mem = 2; 2077 strcpy(dip->un.e.member[0].label.name, AudioNoff); 2078 dip->un.e.member[0].ord = 0; 2079 strcpy(dip->un.e.member[1].label.name, AudioNon); 2080 dip->un.e.member[1].ord = 1; 2081 return (0); 2082 2083 case ESS_MONITOR_CLASS: 2084 dip->mixer_class = ESS_MONITOR_CLASS; 2085 dip->next = dip->prev = AUDIO_MIXER_LAST; 2086 strcpy(dip->label.name, AudioCmonitor); 2087 dip->type = AUDIO_MIXER_CLASS; 2088 return (0); 2089 } 2090 2091 if (ESS_USE_AUDIO1(sc->sc_model)) 2092 return (ENXIO); 2093 2094 switch (dip->index) { 2095 case ESS_DAC_REC_VOL: 2096 dip->mixer_class = ESS_RECORD_CLASS; 2097 dip->next = dip->prev = AUDIO_MIXER_LAST; 2098 strcpy(dip->label.name, AudioNdac); 2099 dip->type = AUDIO_MIXER_VALUE; 2100 dip->un.v.num_channels = 2; 2101 strcpy(dip->un.v.units.name, AudioNvolume); 2102 return (0); 2103 2104 case ESS_MIC_REC_VOL: 2105 dip->mixer_class = ESS_RECORD_CLASS; 2106 dip->next = dip->prev = AUDIO_MIXER_LAST; 2107 strcpy(dip->label.name, AudioNmicrophone); 2108 dip->type = AUDIO_MIXER_VALUE; 2109 dip->un.v.num_channels = 2; 2110 strcpy(dip->un.v.units.name, AudioNvolume); 2111 return (0); 2112 2113 case ESS_LINE_REC_VOL: 2114 dip->mixer_class = ESS_RECORD_CLASS; 2115 dip->next = dip->prev = AUDIO_MIXER_LAST; 2116 strcpy(dip->label.name, AudioNline); 2117 dip->type = AUDIO_MIXER_VALUE; 2118 dip->un.v.num_channels = 2; 2119 strcpy(dip->un.v.units.name, AudioNvolume); 2120 return (0); 2121 2122 case ESS_SYNTH_REC_VOL: 2123 dip->mixer_class = ESS_RECORD_CLASS; 2124 dip->next = dip->prev = AUDIO_MIXER_LAST; 2125 strcpy(dip->label.name, AudioNfmsynth); 2126 dip->type = AUDIO_MIXER_VALUE; 2127 dip->un.v.num_channels = 2; 2128 strcpy(dip->un.v.units.name, AudioNvolume); 2129 return (0); 2130 2131 case ESS_CD_REC_VOL: 2132 dip->mixer_class = ESS_RECORD_CLASS; 2133 dip->next = dip->prev = AUDIO_MIXER_LAST; 2134 strcpy(dip->label.name, AudioNcd); 2135 dip->type = AUDIO_MIXER_VALUE; 2136 dip->un.v.num_channels = 2; 2137 strcpy(dip->un.v.units.name, AudioNvolume); 2138 return (0); 2139 2140 case ESS_AUXB_REC_VOL: 2141 dip->mixer_class = ESS_RECORD_CLASS; 2142 dip->next = dip->prev = AUDIO_MIXER_LAST; 2143 strcpy(dip->label.name, "auxb"); 2144 dip->type = AUDIO_MIXER_VALUE; 2145 dip->un.v.num_channels = 2; 2146 strcpy(dip->un.v.units.name, AudioNvolume); 2147 return (0); 2148 2149 case ESS_MIC_PREAMP: 2150 dip->mixer_class = ESS_INPUT_CLASS; 2151 dip->prev = ESS_MIC_PLAY_VOL; 2152 dip->next = AUDIO_MIXER_LAST; 2153 strcpy(dip->label.name, AudioNpreamp); 2154 dip->type = AUDIO_MIXER_ENUM; 2155 dip->un.e.num_mem = 2; 2156 strcpy(dip->un.e.member[0].label.name, AudioNoff); 2157 dip->un.e.member[0].ord = 0; 2158 strcpy(dip->un.e.member[1].label.name, AudioNon); 2159 dip->un.e.member[1].ord = 1; 2160 return (0); 2161 } 2162 2163 return (ENXIO); 2164 } 2165 2166 void * 2167 ess_malloc(addr, direction, size, pool, flags) 2168 void *addr; 2169 int direction; 2170 size_t size; 2171 int pool, flags; 2172 { 2173 struct ess_softc *sc = addr; 2174 int drq; 2175 2176 if ((!ESS_USE_AUDIO1(sc->sc_model)) && direction == AUMODE_PLAY) 2177 drq = sc->sc_audio2.drq; 2178 else 2179 drq = sc->sc_audio1.drq; 2180 return (isa_malloc(sc->sc_ic, drq, size, pool, flags)); 2181 } 2182 2183 void 2184 ess_free(addr, ptr, pool) 2185 void *addr; 2186 void *ptr; 2187 int pool; 2188 { 2189 isa_free(ptr, pool); 2190 } 2191 2192 size_t 2193 ess_round_buffersize(addr, direction, size) 2194 void *addr; 2195 int direction; 2196 size_t size; 2197 { 2198 struct ess_softc *sc = addr; 2199 bus_size_t maxsize; 2200 2201 if ((!ESS_USE_AUDIO1(sc->sc_model)) && direction == AUMODE_PLAY) 2202 maxsize = sc->sc_audio2.maxsize; 2203 else 2204 maxsize = sc->sc_audio1.maxsize; 2205 2206 if (size > maxsize) 2207 size = maxsize; 2208 return (size); 2209 } 2210 2211 paddr_t 2212 ess_mappage(addr, mem, off, prot) 2213 void *addr; 2214 void *mem; 2215 off_t off; 2216 int prot; 2217 { 2218 return (isa_mappage(mem, off, prot)); 2219 } 2220 2221 int 2222 ess_1788_get_props(addr) 2223 void *addr; 2224 { 2225 2226 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT); 2227 } 2228 2229 int 2230 ess_1888_get_props(addr) 2231 void *addr; 2232 { 2233 2234 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX); 2235 } 2236 2237 /* ============================================ 2238 * Generic functions for ess, not used by audio h/w i/f 2239 * ============================================= 2240 */ 2241 2242 /* 2243 * Reset the chip. 2244 * Return non-zero if the chip isn't detected. 2245 */ 2246 int 2247 ess_reset(sc) 2248 struct ess_softc *sc; 2249 { 2250 bus_space_tag_t iot = sc->sc_iot; 2251 bus_space_handle_t ioh = sc->sc_ioh; 2252 2253 sc->sc_audio1.active = 0; 2254 sc->sc_audio2.active = 0; 2255 2256 EWRITE1(iot, ioh, ESS_DSP_RESET, ESS_RESET_EXT); 2257 delay(10000); /* XXX shouldn't delay so long */ 2258 EWRITE1(iot, ioh, ESS_DSP_RESET, 0); 2259 if (ess_rdsp(sc) != ESS_MAGIC) 2260 return (1); 2261 2262 /* Enable access to the ESS extension commands. */ 2263 ess_wdsp(sc, ESS_ACMD_ENABLE_EXT); 2264 2265 return (0); 2266 } 2267 2268 void 2269 ess_set_gain(sc, port, on) 2270 struct ess_softc *sc; 2271 int port; 2272 int on; 2273 { 2274 int gain, left, right; 2275 int mix; 2276 int src; 2277 int stereo; 2278 2279 /* 2280 * Most gain controls are found in the mixer registers and 2281 * are stereo. Any that are not, must set mix and stereo as 2282 * required. 2283 */ 2284 mix = 1; 2285 stereo = 1; 2286 2287 switch (port) { 2288 case ESS_MASTER_VOL: 2289 src = ESS_MREG_VOLUME_MASTER; 2290 break; 2291 case ESS_DAC_PLAY_VOL: 2292 if (ESS_USE_AUDIO1(sc->sc_model)) 2293 src = ESS_MREG_VOLUME_VOICE; 2294 else 2295 src = 0x7C; 2296 break; 2297 case ESS_MIC_PLAY_VOL: 2298 src = ESS_MREG_VOLUME_MIC; 2299 break; 2300 case ESS_LINE_PLAY_VOL: 2301 src = ESS_MREG_VOLUME_LINE; 2302 break; 2303 case ESS_SYNTH_PLAY_VOL: 2304 src = ESS_MREG_VOLUME_SYNTH; 2305 break; 2306 case ESS_CD_PLAY_VOL: 2307 src = ESS_MREG_VOLUME_CD; 2308 break; 2309 case ESS_AUXB_PLAY_VOL: 2310 src = ESS_MREG_VOLUME_AUXB; 2311 break; 2312 case ESS_PCSPEAKER_VOL: 2313 src = ESS_MREG_VOLUME_PCSPKR; 2314 stereo = 0; 2315 break; 2316 case ESS_DAC_REC_VOL: 2317 src = 0x69; 2318 break; 2319 case ESS_MIC_REC_VOL: 2320 src = 0x68; 2321 break; 2322 case ESS_LINE_REC_VOL: 2323 src = 0x6E; 2324 break; 2325 case ESS_SYNTH_REC_VOL: 2326 src = 0x6B; 2327 break; 2328 case ESS_CD_REC_VOL: 2329 src = 0x6A; 2330 break; 2331 case ESS_AUXB_REC_VOL: 2332 src = 0x6C; 2333 break; 2334 case ESS_RECORD_VOL: 2335 src = ESS_XCMD_VOLIN_CTRL; 2336 mix = 0; 2337 break; 2338 default: 2339 return; 2340 } 2341 2342 /* 1788 doesn't have a separate recording mixer */ 2343 if (ESS_USE_AUDIO1(sc->sc_model) && mix && src > 0x62) 2344 return; 2345 2346 if (on) { 2347 left = sc->gain[port][ESS_LEFT]; 2348 right = sc->gain[port][ESS_RIGHT]; 2349 } else { 2350 left = right = 0; 2351 } 2352 2353 if (stereo) 2354 gain = ESS_STEREO_GAIN(left, right); 2355 else 2356 gain = ESS_MONO_GAIN(left); 2357 2358 if (mix) 2359 ess_write_mix_reg(sc, src, gain); 2360 else 2361 ess_write_x_reg(sc, src, gain); 2362 } 2363 2364 /* Set the input device on devices without an input mixer. */ 2365 int 2366 ess_set_in_port(sc, ord) 2367 struct ess_softc *sc; 2368 int ord; 2369 { 2370 mixer_devinfo_t di; 2371 int i; 2372 2373 DPRINTF(("ess_set_in_port: ord=0x%x\n", ord)); 2374 2375 /* 2376 * Get the device info for the record source control, 2377 * including the list of available sources. 2378 */ 2379 di.index = ESS_RECORD_SOURCE; 2380 if (ess_query_devinfo(sc, &di)) 2381 return EINVAL; 2382 2383 /* See if the given ord value was anywhere in the list. */ 2384 for (i = 0; i < di.un.e.num_mem; i++) { 2385 if (ord == di.un.e.member[i].ord) 2386 break; 2387 } 2388 if (i == di.un.e.num_mem) 2389 return EINVAL; 2390 2391 ess_write_mix_reg(sc, ESS_MREG_ADC_SOURCE, ord); 2392 2393 sc->in_port = ord; 2394 return (0); 2395 } 2396 2397 /* Set the input device levels on input-mixer-enabled devices. */ 2398 int 2399 ess_set_in_ports(sc, mask) 2400 struct ess_softc *sc; 2401 int mask; 2402 { 2403 mixer_devinfo_t di; 2404 int i, port; 2405 2406 DPRINTF(("ess_set_in_ports: mask=0x%x\n", mask)); 2407 2408 /* 2409 * Get the device info for the record source control, 2410 * including the list of available sources. 2411 */ 2412 di.index = ESS_RECORD_SOURCE; 2413 if (ess_query_devinfo(sc, &di)) 2414 return EINVAL; 2415 2416 /* 2417 * Set or disable the record volume control for each of the 2418 * possible sources. 2419 */ 2420 for (i = 0; i < di.un.s.num_mem; i++) { 2421 /* 2422 * Calculate the source port number from its mask. 2423 */ 2424 port = ffs(di.un.s.member[i].mask); 2425 2426 /* 2427 * Set the source gain: 2428 * to the current value if source is enabled 2429 * to zero if source is disabled 2430 */ 2431 ess_set_gain(sc, port, mask & di.un.s.member[i].mask); 2432 } 2433 2434 sc->in_mask = mask; 2435 return (0); 2436 } 2437 2438 void 2439 ess_speaker_on(sc) 2440 struct ess_softc *sc; 2441 { 2442 /* Unmute the DAC. */ 2443 ess_set_gain(sc, ESS_DAC_PLAY_VOL, 1); 2444 } 2445 2446 void 2447 ess_speaker_off(sc) 2448 struct ess_softc *sc; 2449 { 2450 /* Mute the DAC. */ 2451 ess_set_gain(sc, ESS_DAC_PLAY_VOL, 0); 2452 } 2453 2454 /* 2455 * Calculate the time constant for the requested sampling rate. 2456 */ 2457 u_int 2458 ess_srtotc(rate) 2459 u_int rate; 2460 { 2461 u_int tc; 2462 2463 /* The following formulae are from the ESS data sheet. */ 2464 if (rate <= 22050) 2465 tc = 128 - 397700L / rate; 2466 else 2467 tc = 256 - 795500L / rate; 2468 2469 return (tc); 2470 } 2471 2472 2473 /* 2474 * Calculate the filter constant for the reuqested sampling rate. 2475 */ 2476 u_int 2477 ess_srtofc(rate) 2478 u_int rate; 2479 { 2480 /* 2481 * The following formula is derived from the information in 2482 * the ES1887 data sheet, based on a roll-off frequency of 2483 * 87%. 2484 */ 2485 return (256 - 200279L / rate); 2486 } 2487 2488 2489 /* 2490 * Return the status of the DSP. 2491 */ 2492 u_char 2493 ess_get_dsp_status(sc) 2494 struct ess_softc *sc; 2495 { 2496 return (EREAD1(sc->sc_iot, sc->sc_ioh, ESS_DSP_RW_STATUS)); 2497 } 2498 2499 2500 /* 2501 * Return the read status of the DSP: 1 -> DSP ready for reading 2502 * 0 -> DSP not ready for reading 2503 */ 2504 u_char 2505 ess_dsp_read_ready(sc) 2506 struct ess_softc *sc; 2507 { 2508 return ((ess_get_dsp_status(sc) & ESS_DSP_READ_READY) ? 1 : 0); 2509 } 2510 2511 2512 /* 2513 * Return the write status of the DSP: 1 -> DSP ready for writing 2514 * 0 -> DSP not ready for writing 2515 */ 2516 u_char 2517 ess_dsp_write_ready(sc) 2518 struct ess_softc *sc; 2519 { 2520 return ((ess_get_dsp_status(sc) & ESS_DSP_WRITE_BUSY) ? 0 : 1); 2521 } 2522 2523 2524 /* 2525 * Read a byte from the DSP. 2526 */ 2527 int 2528 ess_rdsp(sc) 2529 struct ess_softc *sc; 2530 { 2531 bus_space_tag_t iot = sc->sc_iot; 2532 bus_space_handle_t ioh = sc->sc_ioh; 2533 int i; 2534 2535 for (i = ESS_READ_TIMEOUT; i > 0; --i) { 2536 if (ess_dsp_read_ready(sc)) { 2537 i = EREAD1(iot, ioh, ESS_DSP_READ); 2538 DPRINTFN(8,("ess_rdsp() = 0x%02x\n", i)); 2539 return i; 2540 } else 2541 delay(10); 2542 } 2543 2544 DPRINTF(("ess_rdsp: timed out\n")); 2545 return (-1); 2546 } 2547 2548 /* 2549 * Write a byte to the DSP. 2550 */ 2551 int 2552 ess_wdsp(sc, v) 2553 struct ess_softc *sc; 2554 u_char v; 2555 { 2556 bus_space_tag_t iot = sc->sc_iot; 2557 bus_space_handle_t ioh = sc->sc_ioh; 2558 int i; 2559 2560 DPRINTFN(8,("ess_wdsp(0x%02x)\n", v)); 2561 2562 for (i = ESS_WRITE_TIMEOUT; i > 0; --i) { 2563 if (ess_dsp_write_ready(sc)) { 2564 EWRITE1(iot, ioh, ESS_DSP_WRITE, v); 2565 return (0); 2566 } else 2567 delay(10); 2568 } 2569 2570 DPRINTF(("ess_wdsp(0x%02x): timed out\n", v)); 2571 return (-1); 2572 } 2573 2574 /* 2575 * Write a value to one of the ESS extended registers. 2576 */ 2577 int 2578 ess_write_x_reg(sc, reg, val) 2579 struct ess_softc *sc; 2580 u_char reg; 2581 u_char val; 2582 { 2583 int error; 2584 2585 DPRINTFN(2,("ess_write_x_reg: %02x=%02x\n", reg, val)); 2586 if ((error = ess_wdsp(sc, reg)) == 0) 2587 error = ess_wdsp(sc, val); 2588 2589 return error; 2590 } 2591 2592 /* 2593 * Read the value of one of the ESS extended registers. 2594 */ 2595 u_char 2596 ess_read_x_reg(sc, reg) 2597 struct ess_softc *sc; 2598 u_char reg; 2599 { 2600 int error; 2601 int val; 2602 2603 if ((error = ess_wdsp(sc, 0xC0)) == 0) 2604 error = ess_wdsp(sc, reg); 2605 if (error) 2606 DPRINTF(("Error reading extended register 0x%02x\n", reg)); 2607 /* REVISIT: what if an error is returned above? */ 2608 val = ess_rdsp(sc); 2609 DPRINTFN(2,("ess_read_x_reg: %02x=%02x\n", reg, val)); 2610 return val; 2611 } 2612 2613 void 2614 ess_clear_xreg_bits(sc, reg, mask) 2615 struct ess_softc *sc; 2616 u_char reg; 2617 u_char mask; 2618 { 2619 if (ess_write_x_reg(sc, reg, ess_read_x_reg(sc, reg) & ~mask) == -1) 2620 DPRINTF(("Error clearing bits in extended register 0x%02x\n", 2621 reg)); 2622 } 2623 2624 void 2625 ess_set_xreg_bits(sc, reg, mask) 2626 struct ess_softc *sc; 2627 u_char reg; 2628 u_char mask; 2629 { 2630 if (ess_write_x_reg(sc, reg, ess_read_x_reg(sc, reg) | mask) == -1) 2631 DPRINTF(("Error setting bits in extended register 0x%02x\n", 2632 reg)); 2633 } 2634 2635 2636 /* 2637 * Write a value to one of the ESS mixer registers. 2638 */ 2639 void 2640 ess_write_mix_reg(sc, reg, val) 2641 struct ess_softc *sc; 2642 u_char reg; 2643 u_char val; 2644 { 2645 bus_space_tag_t iot = sc->sc_iot; 2646 bus_space_handle_t ioh = sc->sc_ioh; 2647 int s; 2648 2649 DPRINTFN(2,("ess_write_mix_reg: %x=%x\n", reg, val)); 2650 2651 s = splaudio(); 2652 EWRITE1(iot, ioh, ESS_MIX_REG_SELECT, reg); 2653 EWRITE1(iot, ioh, ESS_MIX_REG_DATA, val); 2654 splx(s); 2655 } 2656 2657 /* 2658 * Read the value of one of the ESS mixer registers. 2659 */ 2660 u_char 2661 ess_read_mix_reg(sc, reg) 2662 struct ess_softc *sc; 2663 u_char reg; 2664 { 2665 bus_space_tag_t iot = sc->sc_iot; 2666 bus_space_handle_t ioh = sc->sc_ioh; 2667 int s; 2668 u_char val; 2669 2670 s = splaudio(); 2671 EWRITE1(iot, ioh, ESS_MIX_REG_SELECT, reg); 2672 val = EREAD1(iot, ioh, ESS_MIX_REG_DATA); 2673 splx(s); 2674 2675 DPRINTFN(2,("ess_read_mix_reg: %x=%x\n", reg, val)); 2676 return val; 2677 } 2678 2679 void 2680 ess_clear_mreg_bits(sc, reg, mask) 2681 struct ess_softc *sc; 2682 u_char reg; 2683 u_char mask; 2684 { 2685 ess_write_mix_reg(sc, reg, ess_read_mix_reg(sc, reg) & ~mask); 2686 } 2687 2688 void 2689 ess_set_mreg_bits(sc, reg, mask) 2690 struct ess_softc *sc; 2691 u_char reg; 2692 u_char mask; 2693 { 2694 ess_write_mix_reg(sc, reg, ess_read_mix_reg(sc, reg) | mask); 2695 } 2696 2697 void 2698 ess_read_multi_mix_reg(sc, reg, datap, count) 2699 struct ess_softc *sc; 2700 u_char reg; 2701 u_int8_t *datap; 2702 bus_size_t count; 2703 { 2704 bus_space_tag_t iot = sc->sc_iot; 2705 bus_space_handle_t ioh = sc->sc_ioh; 2706 int s; 2707 2708 s = splaudio(); 2709 EWRITE1(iot, ioh, ESS_MIX_REG_SELECT, reg); 2710 bus_space_read_multi_1(iot, ioh, ESS_MIX_REG_DATA, datap, count); 2711 splx(s); 2712 } 2713