ess.c revision 1.42
1 /* $NetBSD: ess.c,v 1.42 1999/03/18 04:31:36 mycroft 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 int ess_mappage __P((void *, void *, int, 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 *sc)); 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)); 184 185 static char *essmodel[] = { 186 "unsupported", 187 "1888", 188 "1887", 189 "888", 190 "1788" 191 }; 192 193 struct audio_device ess_device = { 194 "ESS Technology", 195 "x", 196 "ess" 197 }; 198 199 /* 200 * Define our interface to the higher level audio driver. 201 */ 202 203 struct audio_hw_if ess_1788_hw_if = { 204 ess_open, 205 ess_1788_close, 206 ess_drain, 207 ess_query_encoding, 208 ess_set_params, 209 ess_round_blocksize, 210 NULL, 211 NULL, 212 NULL, 213 NULL, 214 NULL, 215 ess_audio1_halt, 216 ess_audio1_halt, 217 ess_speaker_ctl, 218 ess_getdev, 219 NULL, 220 ess_set_port, 221 ess_get_port, 222 ess_query_devinfo, 223 ess_malloc, 224 ess_free, 225 ess_round_buffersize, 226 ess_mappage, 227 ess_1788_get_props, 228 ess_audio1_trigger_output, 229 ess_audio1_trigger_input, 230 }; 231 232 struct audio_hw_if ess_1888_hw_if = { 233 ess_open, 234 ess_1888_close, 235 ess_drain, 236 ess_query_encoding, 237 ess_set_params, 238 ess_round_blocksize, 239 NULL, 240 NULL, 241 NULL, 242 NULL, 243 NULL, 244 ess_audio2_halt, 245 ess_audio1_halt, 246 ess_speaker_ctl, 247 ess_getdev, 248 NULL, 249 ess_set_port, 250 ess_get_port, 251 ess_query_devinfo, 252 ess_malloc, 253 ess_free, 254 ess_round_buffersize, 255 ess_mappage, 256 ess_1888_get_props, 257 ess_audio2_trigger_output, 258 ess_audio1_trigger_input, 259 }; 260 261 #ifdef AUDIO_DEBUG 262 void ess_printsc __P((struct ess_softc *)); 263 void ess_dump_mixer __P((struct ess_softc *)); 264 265 void 266 ess_printsc(sc) 267 struct ess_softc *sc; 268 { 269 int i; 270 271 printf("open %d iobase 0x%x outport %u inport %u speaker %s\n", 272 (int)sc->sc_open, sc->sc_iobase, sc->out_port, 273 sc->in_port, sc->spkr_state ? "on" : "off"); 274 275 printf("audio1: dmachan %d irq %d nintr %lu intr %p arg %p\n", 276 sc->sc_audio1.drq, sc->sc_audio1.irq, sc->sc_audio1.nintr, 277 sc->sc_audio1.intr, sc->sc_audio1.arg); 278 279 if (sc->sc_model != ESS_1788) { 280 printf("audio2: dmachan %d irq %d nintr %lu intr %p arg %p\n", 281 sc->sc_audio2.drq, sc->sc_audio2.irq, sc->sc_audio2.nintr, 282 sc->sc_audio2.intr, sc->sc_audio2.arg); 283 } 284 285 printf("gain:"); 286 for (i = 0; i < sc->ndevs; i++) 287 printf(" %u,%u", sc->gain[i][ESS_LEFT], sc->gain[i][ESS_RIGHT]); 288 printf("\n"); 289 } 290 291 void 292 ess_dump_mixer(sc) 293 struct ess_softc *sc; 294 { 295 printf("ESS_DAC_PLAY_VOL: mix reg 0x%02x=0x%02x\n", 296 0x7C, ess_read_mix_reg(sc, 0x7C)); 297 printf("ESS_MIC_PLAY_VOL: mix reg 0x%02x=0x%02x\n", 298 0x1A, ess_read_mix_reg(sc, 0x1A)); 299 printf("ESS_LINE_PLAY_VOL: mix reg 0x%02x=0x%02x\n", 300 0x3E, ess_read_mix_reg(sc, 0x3E)); 301 printf("ESS_SYNTH_PLAY_VOL: mix reg 0x%02x=0x%02x\n", 302 0x36, ess_read_mix_reg(sc, 0x36)); 303 printf("ESS_CD_PLAY_VOL: mix reg 0x%02x=0x%02x\n", 304 0x38, ess_read_mix_reg(sc, 0x38)); 305 printf("ESS_AUXB_PLAY_VOL: mix reg 0x%02x=0x%02x\n", 306 0x3A, ess_read_mix_reg(sc, 0x3A)); 307 printf("ESS_MASTER_VOL: mix reg 0x%02x=0x%02x\n", 308 0x32, ess_read_mix_reg(sc, 0x32)); 309 printf("ESS_PCSPEAKER_VOL: mix reg 0x%02x=0x%02x\n", 310 0x3C, ess_read_mix_reg(sc, 0x3C)); 311 printf("ESS_DAC_REC_VOL: mix reg 0x%02x=0x%02x\n", 312 0x69, ess_read_mix_reg(sc, 0x69)); 313 printf("ESS_MIC_REC_VOL: mix reg 0x%02x=0x%02x\n", 314 0x68, ess_read_mix_reg(sc, 0x68)); 315 printf("ESS_LINE_REC_VOL: mix reg 0x%02x=0x%02x\n", 316 0x6E, ess_read_mix_reg(sc, 0x6E)); 317 printf("ESS_SYNTH_REC_VOL: mix reg 0x%02x=0x%02x\n", 318 0x6B, ess_read_mix_reg(sc, 0x6B)); 319 printf("ESS_CD_REC_VOL: mix reg 0x%02x=0x%02x\n", 320 0x6A, ess_read_mix_reg(sc, 0x6A)); 321 printf("ESS_AUXB_REC_VOL: mix reg 0x%02x=0x%02x\n", 322 0x6C, ess_read_mix_reg(sc, 0x6C)); 323 printf("ESS_RECORD_VOL: x reg 0x%02x=0x%02x\n", 324 0xB4, ess_read_x_reg(sc, 0xB4)); 325 printf("Audio 1 play vol (unused): mix reg 0x%02x=0x%02x\n", 326 0x14, ess_read_mix_reg(sc, 0x14)); 327 328 printf("ESS_MIC_PREAMP: x reg 0x%02x=0x%02x\n", 329 ESS_XCMD_PREAMP_CTRL, ess_read_x_reg(sc, ESS_XCMD_PREAMP_CTRL)); 330 printf("ESS_RECORD_MONITOR: x reg 0x%02x=0x%02x\n", 331 ESS_XCMD_AUDIO_CTRL, ess_read_x_reg(sc, ESS_XCMD_AUDIO_CTRL)); 332 printf("Record source: mix reg 0x%02x=0x%02x, 0x%02x=0x%02x\n", 333 ESS_MREG_ADC_SOURCE, ess_read_mix_reg(sc, ESS_MREG_ADC_SOURCE), 334 ESS_MREG_AUDIO2_CTRL2, ess_read_mix_reg(sc, ESS_MREG_AUDIO2_CTRL2)); 335 } 336 337 #endif 338 339 /* 340 * Configure the ESS chip for the desired audio base address. 341 */ 342 int 343 ess_config_addr(sc) 344 struct ess_softc *sc; 345 { 346 int iobase = sc->sc_iobase; 347 bus_space_tag_t iot = sc->sc_iot; 348 349 /* 350 * Configure using the System Control Register method. This 351 * method is used when the AMODE line is tied high, which is 352 * the case for the Shark, but not for the evaluation board. 353 */ 354 355 bus_space_handle_t scr_access_ioh; 356 bus_space_handle_t scr_ioh; 357 u_short scr_value; 358 359 /* 360 * Set the SCR bit to enable audio. 361 */ 362 scr_value = ESS_SCR_AUDIO_ENABLE; 363 364 /* 365 * Set the SCR bits necessary to select the specified audio 366 * base address. 367 */ 368 switch(iobase) { 369 case 0x220: 370 scr_value |= ESS_SCR_AUDIO_220; 371 break; 372 case 0x230: 373 scr_value |= ESS_SCR_AUDIO_230; 374 break; 375 case 0x240: 376 scr_value |= ESS_SCR_AUDIO_240; 377 break; 378 case 0x250: 379 scr_value |= ESS_SCR_AUDIO_250; 380 break; 381 default: 382 printf("ess: configured iobase 0x%x invalid\n", iobase); 383 return (1); 384 break; 385 } 386 387 /* 388 * Get a mapping for the System Control Register (SCR) access 389 * registers and the SCR data registers. 390 */ 391 if (bus_space_map(iot, ESS_SCR_ACCESS_BASE, ESS_SCR_ACCESS_PORTS, 392 0, &scr_access_ioh)) { 393 printf("ess: can't map SCR access registers\n"); 394 return (1); 395 } 396 if (bus_space_map(iot, ESS_SCR_BASE, ESS_SCR_PORTS, 397 0, &scr_ioh)) { 398 printf("ess: can't map SCR registers\n"); 399 bus_space_unmap(iot, scr_access_ioh, ESS_SCR_ACCESS_PORTS); 400 return (1); 401 } 402 403 /* Unlock the SCR. */ 404 EWRITE1(iot, scr_access_ioh, ESS_SCR_UNLOCK, 0); 405 406 /* Write the base address information into SCR[0]. */ 407 EWRITE1(iot, scr_ioh, ESS_SCR_INDEX, 0); 408 EWRITE1(iot, scr_ioh, ESS_SCR_DATA, scr_value); 409 410 /* Lock the SCR. */ 411 EWRITE1(iot, scr_access_ioh, ESS_SCR_LOCK, 0); 412 413 /* Unmap the SCR access ports and the SCR data ports. */ 414 bus_space_unmap(iot, scr_access_ioh, ESS_SCR_ACCESS_PORTS); 415 bus_space_unmap(iot, scr_ioh, ESS_SCR_PORTS); 416 417 return 0; 418 } 419 420 421 /* 422 * Configure the ESS chip for the desired IRQ and DMA channels. 423 * ESS ISA 424 * -------- 425 * IRQA irq9 426 * IRQB irq5 427 * IRQC irq7 428 * IRQD irq10 429 * IRQE irq15 430 * 431 * DRQA drq0 432 * DRQB drq1 433 * DRQC drq3 434 * DRQD drq5 435 */ 436 void 437 ess_config_irq(sc) 438 struct ess_softc *sc; 439 { 440 int v; 441 442 DPRINTFN(2,("ess_config_irq\n")); 443 444 if (sc->sc_model == ESS_1887 && 445 sc->sc_audio1.irq == sc->sc_audio2.irq && 446 sc->sc_audio1.irq != -1) { 447 /* Use new method, both interrupts are the same. */ 448 v = ESS_IS_SELECT_IRQ; /* enable intrs */ 449 switch (sc->sc_audio1.irq) { 450 case 5: 451 v |= ESS_IS_INTRB; 452 break; 453 case 7: 454 v |= ESS_IS_INTRC; 455 break; 456 case 9: 457 v |= ESS_IS_INTRA; 458 break; 459 case 10: 460 v |= ESS_IS_INTRD; 461 break; 462 case 15: 463 v |= ESS_IS_INTRE; 464 break; 465 #ifdef DIAGNOSTIC 466 default: 467 printf("ess_config_irq: configured irq %d not supported for Audio 1\n", 468 sc->sc_audio1.irq); 469 return; 470 #endif 471 } 472 /* Set the IRQ */ 473 ess_write_mix_reg(sc, ESS_MREG_INTR_ST, v); 474 return; 475 } 476 477 if (sc->sc_model == ESS_1887) { 478 /* Tell the 1887 to use the old interrupt method. */ 479 ess_write_mix_reg(sc, ESS_MREG_INTR_ST, ESS_IS_ES1888); 480 } 481 482 if (sc->sc_audio1.polled) { 483 /* Turn off Audio1 interrupts. */ 484 v = 0; 485 } else { 486 /* Configure Audio 1 for the appropriate IRQ line. */ 487 v = ESS_IRQ_CTRL_MASK | ESS_IRQ_CTRL_EXT; /* All intrs on */ 488 switch (sc->sc_audio1.irq) { 489 case 5: 490 v |= ESS_IRQ_CTRL_INTRB; 491 break; 492 case 7: 493 v |= ESS_IRQ_CTRL_INTRC; 494 break; 495 case 9: 496 v |= ESS_IRQ_CTRL_INTRA; 497 break; 498 case 10: 499 v |= ESS_IRQ_CTRL_INTRD; 500 break; 501 #ifdef DIAGNOSTIC 502 default: 503 printf("ess: configured irq %d not supported for Audio 1\n", 504 sc->sc_audio1.irq); 505 return; 506 #endif 507 } 508 } 509 ess_write_x_reg(sc, ESS_XCMD_IRQ_CTRL, v); 510 511 if (sc->sc_model == ESS_1788) 512 return; 513 514 if (sc->sc_audio2.polled) { 515 /* Turn off Audio2 interrupts. */ 516 ess_clear_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL2, 517 ESS_AUDIO2_CTRL2_IRQ2_ENABLE); 518 } else { 519 /* Audio2 is hardwired to INTRE in this mode. */ 520 ess_set_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL2, 521 ESS_AUDIO2_CTRL2_IRQ2_ENABLE); 522 } 523 } 524 525 526 void 527 ess_config_drq(sc) 528 struct ess_softc *sc; 529 { 530 int v; 531 532 DPRINTFN(2,("ess_config_drq\n")); 533 534 /* Configure Audio 1 (record) for DMA on the appropriate channel. */ 535 v = ESS_DRQ_CTRL_PU | ESS_DRQ_CTRL_EXT; 536 switch (sc->sc_audio1.drq) { 537 case 0: 538 v |= ESS_DRQ_CTRL_DRQA; 539 break; 540 case 1: 541 v |= ESS_DRQ_CTRL_DRQB; 542 break; 543 case 3: 544 v |= ESS_DRQ_CTRL_DRQC; 545 break; 546 #ifdef DIAGNOSTIC 547 default: 548 printf("ess_config_drq: configured dma chan %d not supported for Audio 1\n", 549 sc->sc_audio1.drq); 550 return; 551 #endif 552 } 553 /* Set DRQ1 */ 554 ess_write_x_reg(sc, ESS_XCMD_DRQ_CTRL, v); 555 556 if (sc->sc_model == ESS_1788) 557 return; 558 559 /* Configure DRQ2 */ 560 v = ESS_AUDIO2_CTRL3_DRQ_PD; 561 switch (sc->sc_audio2.drq) { 562 case 0: 563 v |= ESS_AUDIO2_CTRL3_DRQA; 564 break; 565 case 1: 566 v |= ESS_AUDIO2_CTRL3_DRQB; 567 break; 568 case 3: 569 v |= ESS_AUDIO2_CTRL3_DRQC; 570 break; 571 case 5: 572 v |= ESS_AUDIO2_CTRL3_DRQD; 573 break; 574 #ifdef DIAGNOSTIC 575 default: 576 printf("ess_config_drq: configured dma chan %d not supported for Audio 2\n", 577 sc->sc_audio2.drq); 578 return; 579 #endif 580 } 581 ess_write_mix_reg(sc, ESS_MREG_AUDIO2_CTRL3, v); 582 /* Enable DMA 2 */ 583 ess_set_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL2, 584 ESS_AUDIO2_CTRL2_DMA_ENABLE); 585 } 586 587 /* 588 * Set up registers after a reset. 589 */ 590 void 591 ess_setup(sc) 592 struct ess_softc *sc; 593 { 594 595 ess_config_irq(sc); 596 ess_config_drq(sc); 597 598 DPRINTFN(2,("ess_setup: done\n")); 599 } 600 601 /* 602 * Determine the model of ESS chip we are talking to. Currently we 603 * only support ES1888, ES1887 and ES888. The method of determining 604 * the chip is based on the information on page 27 of the ES1887 data 605 * sheet. 606 * 607 * This routine sets the values of sc->sc_model and sc->sc_version. 608 */ 609 int 610 ess_identify(sc) 611 struct ess_softc *sc; 612 { 613 u_char reg1; 614 u_char reg2; 615 u_char reg3; 616 617 sc->sc_model = ESS_UNSUPPORTED; 618 sc->sc_version = 0; 619 620 621 /* 622 * 1. Check legacy ID bytes. These should be 0x68 0x8n, where 623 * n >= 8 for an ES1887 or an ES888. Other values indicate 624 * earlier (unsupported) chips. 625 */ 626 ess_wdsp(sc, ESS_ACMD_LEGACY_ID); 627 628 if ((reg1 = ess_rdsp(sc)) != 0x68) { 629 printf("ess: First ID byte wrong (0x%02x)\n", reg1); 630 return 1; 631 } 632 633 reg2 = ess_rdsp(sc); 634 if (((reg2 & 0xf0) != 0x80) || 635 ((reg2 & 0x0f) < 8)) { 636 printf("ess: Second ID byte wrong (0x%02x)\n", reg2); 637 return 1; 638 } 639 640 /* 641 * Store the ID bytes as the version. 642 */ 643 sc->sc_version = (reg1 << 8) + reg2; 644 645 646 /* 647 * 2. Verify we can change bit 2 in mixer register 0x64. This 648 * should be possible on all supported chips. 649 */ 650 reg1 = ess_read_mix_reg(sc, ESS_MREG_VOLUME_CTRL); 651 reg2 = reg1 ^ 0x04; /* toggle bit 2 */ 652 653 ess_write_mix_reg(sc, ESS_MREG_VOLUME_CTRL, reg2); 654 655 if (ess_read_mix_reg(sc, ESS_MREG_VOLUME_CTRL) != reg2) { 656 printf("ess: Hardware error (unable to toggle bit 2 of mixer register 0x64)\n"); 657 return 1; 658 } 659 660 /* 661 * Restore the original value of mixer register 0x64. 662 */ 663 ess_write_mix_reg(sc, ESS_MREG_VOLUME_CTRL, reg1); 664 665 666 /* 667 * 3. Verify we can change the value of mixer register 668 * ESS_MREG_SAMPLE_RATE. 669 * This is possible on the 1888/1887/888, but not on the 1788. 670 * It is not necessary to restore the value of this mixer register. 671 */ 672 reg1 = ess_read_mix_reg(sc, ESS_MREG_SAMPLE_RATE); 673 reg2 = reg1 ^ 0xff; /* toggle all bits */ 674 675 ess_write_mix_reg(sc, ESS_MREG_SAMPLE_RATE, reg2); 676 677 if (ess_read_mix_reg(sc, ESS_MREG_SAMPLE_RATE) != reg2) { 678 /* If we got this far before failing, it's a 1788. */ 679 sc->sc_model = ESS_1788; 680 } else { 681 /* 682 * 4. Determine if we can change bit 5 in mixer register 0x64. 683 * This determines whether we have an ES1887: 684 * 685 * - can change indicates ES1887 686 * - can't change indicates ES1888 or ES888 687 */ 688 reg1 = ess_read_mix_reg(sc, ESS_MREG_VOLUME_CTRL); 689 reg2 = reg1 ^ 0x20; /* toggle bit 5 */ 690 691 ess_write_mix_reg(sc, ESS_MREG_VOLUME_CTRL, reg2); 692 693 if (ess_read_mix_reg(sc, ESS_MREG_VOLUME_CTRL) == reg2) { 694 sc->sc_model = ESS_1887; 695 696 /* 697 * Restore the original value of mixer register 0x64. 698 */ 699 ess_write_mix_reg(sc, ESS_MREG_VOLUME_CTRL, reg1); 700 } else { 701 /* 702 * 5. Determine if we can change the value of mixer 703 * register 0x69 independently of mixer register 704 * 0x68. This determines which chip we have: 705 * 706 * - can modify idependently indicates ES888 707 * - register 0x69 is an alias of 0x68 indicates ES1888 708 */ 709 reg1 = ess_read_mix_reg(sc, 0x68); 710 reg2 = ess_read_mix_reg(sc, 0x69); 711 reg3 = reg2 ^ 0xff; /* toggle all bits */ 712 713 /* 714 * Write different values to each register. 715 */ 716 ess_write_mix_reg(sc, 0x68, reg2); 717 ess_write_mix_reg(sc, 0x69, reg3); 718 719 if (ess_read_mix_reg(sc, 0x68) == reg2 && 720 ess_read_mix_reg(sc, 0x69) == reg3) 721 sc->sc_model = ESS_888; 722 else 723 sc->sc_model = ESS_1888; 724 725 /* 726 * Restore the original value of the registers. 727 */ 728 ess_write_mix_reg(sc, 0x68, reg1); 729 ess_write_mix_reg(sc, 0x69, reg2); 730 } 731 } 732 733 return 0; 734 } 735 736 737 int 738 ess_setup_sc(sc, doinit) 739 struct ess_softc *sc; 740 int doinit; 741 { 742 /* Reset the chip. */ 743 if (ess_reset(sc) != 0) { 744 DPRINTF(("ess_setup_sc: couldn't reset chip\n")); 745 return (1); 746 } 747 748 /* Identify the ESS chip, and check that it is supported. */ 749 if (ess_identify(sc)) { 750 DPRINTF(("ess_setup_sc: couldn't identify\n")); 751 return (1); 752 } 753 754 return (0); 755 } 756 757 /* 758 * Probe for the ESS hardware. 759 */ 760 int 761 essmatch(sc) 762 struct ess_softc *sc; 763 { 764 if (!ESS_BASE_VALID(sc->sc_iobase)) { 765 printf("ess: configured iobase 0x%x invalid\n", sc->sc_iobase); 766 return (0); 767 } 768 769 /* Configure the ESS chip for the desired audio base address. */ 770 if (ess_config_addr(sc)) 771 return (0); 772 773 if (ess_setup_sc(sc, 1)) 774 return (0); 775 776 if (sc->sc_model == ESS_UNSUPPORTED) { 777 DPRINTF(("ess: Unsupported model\n")); 778 return (0); 779 } 780 781 /* Check that requested DMA channels are valid and different. */ 782 if (!ESS_DRQ1_VALID(sc->sc_audio1.drq)) { 783 printf("ess: record drq %d invalid\n", sc->sc_audio1.drq); 784 return (0); 785 } 786 if (!isa_drq_isfree(sc->sc_ic, sc->sc_audio1.drq)) 787 return (0); 788 if (sc->sc_model != ESS_1788) { 789 if (!ESS_DRQ2_VALID(sc->sc_audio2.drq, sc->sc_model)) { 790 printf("ess: play drq %d invalid\n", sc->sc_audio2.drq); 791 return (0); 792 } 793 if (sc->sc_audio1.drq == sc->sc_audio2.drq) { 794 printf("ess: play and record drq both %d\n", 795 sc->sc_audio1.drq); 796 return (0); 797 } 798 if (!isa_drq_isfree(sc->sc_ic, sc->sc_audio2.drq)) 799 return (0); 800 } 801 802 /* 803 * The 1887 has an additional IRQ mode where both channels are mapped 804 * to the same IRQ. 805 */ 806 if (sc->sc_model == ESS_1887 && 807 sc->sc_audio1.irq == sc->sc_audio2.irq && 808 sc->sc_audio1.irq != -1 && 809 ESS_IRQ12_VALID(sc->sc_audio1.irq)) 810 goto irq_not1888; 811 812 /* Check that requested IRQ lines are valid and different. */ 813 if (sc->sc_audio1.irq != -1 && 814 !ESS_IRQ1_VALID(sc->sc_audio1.irq)) { 815 printf("ess: record irq %d invalid\n", sc->sc_audio1.irq); 816 return (0); 817 } 818 if (sc->sc_model != ESS_1788) { 819 if (sc->sc_audio2.irq != -1 && 820 !ESS_IRQ2_VALID(sc->sc_audio2.irq)) { 821 printf("ess: play irq %d invalid\n", sc->sc_audio2.irq); 822 return (0); 823 } 824 if (sc->sc_audio1.irq == sc->sc_audio2.irq && 825 sc->sc_audio1.irq != -1) { 826 printf("ess: play and record irq both %d\n", 827 sc->sc_audio1.irq); 828 return (0); 829 } 830 } 831 832 irq_not1888: 833 /* XXX should we check IRQs as well? */ 834 835 return (1); 836 } 837 838 839 /* 840 * Attach hardware to driver, attach hardware driver to audio 841 * pseudo-device driver. 842 */ 843 void 844 essattach(sc) 845 struct ess_softc *sc; 846 { 847 struct audio_attach_args arg; 848 struct audio_params pparams, rparams; 849 int i; 850 u_int v; 851 852 if (ess_setup_sc(sc, 0)) { 853 printf(": setup failed\n"); 854 return; 855 } 856 857 printf(": ESS Technology ES%s [version 0x%04x]\n", 858 essmodel[sc->sc_model], sc->sc_version); 859 860 sc->sc_audio1.polled = sc->sc_audio1.irq == -1; 861 if (!sc->sc_audio1.polled) { 862 sc->sc_audio1.ih = isa_intr_establish(sc->sc_ic, 863 sc->sc_audio1.irq, sc->sc_audio1.ist, IPL_AUDIO, 864 ess_audio1_intr, sc); 865 printf("%s: audio1 interrupting at irq %d\n", 866 sc->sc_dev.dv_xname, sc->sc_audio1.irq); 867 } else 868 printf("%s: audio1 polled\n", sc->sc_dev.dv_xname); 869 if (isa_dmamap_create(sc->sc_ic, sc->sc_audio1.drq, 870 MAX_ISADMA, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 871 printf("%s: can't create map for drq %d\n", 872 sc->sc_dev.dv_xname, sc->sc_audio1.drq); 873 return; 874 } 875 876 if (sc->sc_model != ESS_1788) { 877 sc->sc_audio2.polled = sc->sc_audio2.irq == -1; 878 if (!sc->sc_audio2.polled) { 879 sc->sc_audio2.ih = isa_intr_establish(sc->sc_ic, 880 sc->sc_audio2.irq, sc->sc_audio2.ist, IPL_AUDIO, 881 ess_audio2_intr, sc); 882 printf("%s: audio2 interrupting at irq %d\n", 883 sc->sc_dev.dv_xname, sc->sc_audio2.irq); 884 } else 885 printf("%s: audio2 polled\n", sc->sc_dev.dv_xname); 886 if (isa_dmamap_create(sc->sc_ic, sc->sc_audio2.drq, 887 MAX_ISADMA, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 888 printf("%s: can't create map for drq %d\n", 889 sc->sc_dev.dv_xname, sc->sc_audio2.drq); 890 return; 891 } 892 } 893 894 /* 895 * Set record and play parameters to default values defined in 896 * generic audio driver. 897 */ 898 pparams = audio_default; 899 rparams = audio_default; 900 ess_set_params(sc, AUMODE_RECORD|AUMODE_PLAY, 0, &pparams, &rparams); 901 902 /* Do a hardware reset on the mixer. */ 903 ess_write_mix_reg(sc, ESS_MIX_RESET, ESS_MIX_RESET); 904 905 /* 906 * Set volume of Audio 1 to zero and disable Audio 1 DAC input 907 * to playback mixer, since playback is always through Audio 2. 908 */ 909 if (sc->sc_model != ESS_1788) 910 ess_write_mix_reg(sc, ESS_MREG_VOLUME_VOICE, 0); 911 ess_wdsp(sc, ESS_ACMD_DISABLE_SPKR); 912 913 if (sc->sc_model == ESS_1788) { 914 ess_write_mix_reg(sc, ESS_MREG_ADC_SOURCE, ESS_SOURCE_MIC); 915 sc->in_port = ESS_SOURCE_MIC; 916 sc->ndevs = ESS_1788_NDEVS; 917 } else { 918 /* 919 * Set hardware record source to use output of the record 920 * mixer. We do the selection of record source in software by 921 * setting the gain of the unused sources to zero. (See 922 * ess_set_in_ports.) 923 */ 924 ess_write_mix_reg(sc, ESS_MREG_ADC_SOURCE, ESS_SOURCE_MIXER); 925 sc->in_mask = 1 << ESS_MIC_REC_VOL; 926 sc->ndevs = ESS_1888_NDEVS; 927 ess_clear_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL2, 0x10); 928 ess_set_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL2, 0x08); 929 } 930 931 /* 932 * Set gain on each mixer device to a sensible value. 933 * Devices not normally used are turned off, and other devices 934 * are set to 50% volume. 935 */ 936 for (i = 0; i < sc->ndevs; i++) { 937 switch (i) { 938 case ESS_MIC_PLAY_VOL: 939 case ESS_LINE_PLAY_VOL: 940 case ESS_CD_PLAY_VOL: 941 case ESS_AUXB_PLAY_VOL: 942 case ESS_DAC_REC_VOL: 943 case ESS_LINE_REC_VOL: 944 case ESS_SYNTH_REC_VOL: 945 case ESS_CD_REC_VOL: 946 case ESS_AUXB_REC_VOL: 947 v = 0; 948 break; 949 default: 950 v = ESS_4BIT_GAIN(AUDIO_MAX_GAIN / 2); 951 break; 952 } 953 sc->gain[i][ESS_LEFT] = sc->gain[i][ESS_RIGHT] = v; 954 ess_set_gain(sc, i, 1); 955 } 956 957 ess_setup(sc); 958 959 /* Disable the speaker until the device is opened. */ 960 ess_speaker_off(sc); 961 sc->spkr_state = SPKR_OFF; 962 963 sprintf(ess_device.name, "ES%s", essmodel[sc->sc_model]); 964 sprintf(ess_device.version, "0x%04x", sc->sc_version); 965 966 if (sc->sc_model == ESS_1788) 967 audio_attach_mi(&ess_1788_hw_if, sc, &sc->sc_dev); 968 else 969 audio_attach_mi(&ess_1888_hw_if, sc, &sc->sc_dev); 970 971 arg.type = AUDIODEV_TYPE_OPL; 972 arg.hwif = 0; 973 arg.hdl = 0; 974 (void)config_found(&sc->sc_dev, &arg, audioprint); 975 976 #ifdef AUDIO_DEBUG 977 if (essdebug > 0) 978 ess_printsc(sc); 979 #endif 980 } 981 982 /* 983 * Various routines to interface to higher level audio driver 984 */ 985 986 int 987 ess_open(addr, flags) 988 void *addr; 989 int flags; 990 { 991 struct ess_softc *sc = addr; 992 993 DPRINTF(("ess_open: sc=%p\n", sc)); 994 995 if (sc->sc_open != 0 || ess_reset(sc) != 0) 996 return ENXIO; 997 998 ess_setup(sc); /* because we did a reset */ 999 1000 sc->sc_open = 1; 1001 1002 DPRINTF(("ess_open: opened\n")); 1003 1004 return (0); 1005 } 1006 1007 void 1008 ess_1788_close(addr) 1009 void *addr; 1010 { 1011 struct ess_softc *sc = addr; 1012 1013 DPRINTF(("ess_1788_close: sc=%p\n", sc)); 1014 1015 ess_speaker_off(sc); 1016 sc->spkr_state = SPKR_OFF; 1017 1018 ess_audio1_halt(sc); 1019 1020 sc->sc_open = 0; 1021 DPRINTF(("ess_1788_close: closed\n")); 1022 } 1023 1024 void 1025 ess_1888_close(addr) 1026 void *addr; 1027 { 1028 struct ess_softc *sc = addr; 1029 1030 DPRINTF(("ess_1888_close: sc=%p\n", sc)); 1031 1032 ess_speaker_off(sc); 1033 sc->spkr_state = SPKR_OFF; 1034 1035 ess_audio1_halt(sc); 1036 ess_audio2_halt(sc); 1037 1038 sc->sc_open = 0; 1039 DPRINTF(("ess_1888_close: closed\n")); 1040 } 1041 1042 /* 1043 * Wait for FIFO to drain, and analog section to settle. 1044 * XXX should check FIFO empty bit. 1045 */ 1046 int 1047 ess_drain(addr) 1048 void *addr; 1049 { 1050 tsleep(addr, PWAIT | PCATCH, "essdr", hz/20); /* XXX */ 1051 return (0); 1052 } 1053 1054 /* XXX should use reference count */ 1055 int 1056 ess_speaker_ctl(addr, newstate) 1057 void *addr; 1058 int newstate; 1059 { 1060 struct ess_softc *sc = addr; 1061 1062 if ((newstate == SPKR_ON) && (sc->spkr_state == SPKR_OFF)) { 1063 ess_speaker_on(sc); 1064 sc->spkr_state = SPKR_ON; 1065 } 1066 if ((newstate == SPKR_OFF) && (sc->spkr_state == SPKR_ON)) { 1067 ess_speaker_off(sc); 1068 sc->spkr_state = SPKR_OFF; 1069 } 1070 return (0); 1071 } 1072 1073 int 1074 ess_getdev(addr, retp) 1075 void *addr; 1076 struct audio_device *retp; 1077 { 1078 *retp = ess_device; 1079 return (0); 1080 } 1081 1082 int 1083 ess_query_encoding(addr, fp) 1084 void *addr; 1085 struct audio_encoding *fp; 1086 { 1087 /*struct ess_softc *sc = addr;*/ 1088 1089 switch (fp->index) { 1090 case 0: 1091 strcpy(fp->name, AudioEulinear); 1092 fp->encoding = AUDIO_ENCODING_ULINEAR; 1093 fp->precision = 8; 1094 fp->flags = 0; 1095 return (0); 1096 case 1: 1097 strcpy(fp->name, AudioEmulaw); 1098 fp->encoding = AUDIO_ENCODING_ULAW; 1099 fp->precision = 8; 1100 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 1101 return (0); 1102 case 2: 1103 strcpy(fp->name, AudioEalaw); 1104 fp->encoding = AUDIO_ENCODING_ALAW; 1105 fp->precision = 8; 1106 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 1107 return (0); 1108 case 3: 1109 strcpy(fp->name, AudioEslinear); 1110 fp->encoding = AUDIO_ENCODING_SLINEAR; 1111 fp->precision = 8; 1112 fp->flags = 0; 1113 return (0); 1114 case 4: 1115 strcpy(fp->name, AudioEslinear_le); 1116 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 1117 fp->precision = 16; 1118 fp->flags = 0; 1119 return (0); 1120 case 5: 1121 strcpy(fp->name, AudioEulinear_le); 1122 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 1123 fp->precision = 16; 1124 fp->flags = 0; 1125 return (0); 1126 case 6: 1127 strcpy(fp->name, AudioEslinear_be); 1128 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 1129 fp->precision = 16; 1130 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 1131 return (0); 1132 case 7: 1133 strcpy(fp->name, AudioEulinear_be); 1134 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 1135 fp->precision = 16; 1136 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 1137 return (0); 1138 default: 1139 return EINVAL; 1140 } 1141 return (0); 1142 } 1143 1144 int 1145 ess_set_params(addr, setmode, usemode, play, rec) 1146 void *addr; 1147 int setmode, usemode; 1148 struct audio_params *play, *rec; 1149 { 1150 struct ess_softc *sc = addr; 1151 struct audio_params *p; 1152 int mode; 1153 int rate; 1154 1155 DPRINTF(("ess_set_params: set=%d use=%d\n", setmode, usemode)); 1156 1157 /* 1158 * The ES1887 manual (page 39, `Full-Duplex DMA Mode') claims that in 1159 * full-duplex operation the sample rates must be the same for both 1160 * channels. This appears to be false; the only bit in common is the 1161 * clock source selection. However, we'll be conservative here. 1162 * - mycroft 1163 */ 1164 if (play->sample_rate != rec->sample_rate && 1165 usemode == (AUMODE_PLAY | AUMODE_RECORD)) { 1166 if (setmode == AUMODE_PLAY) { 1167 rec->sample_rate = play->sample_rate; 1168 setmode |= AUMODE_RECORD; 1169 } else if (setmode == AUMODE_RECORD) { 1170 play->sample_rate = rec->sample_rate; 1171 setmode |= AUMODE_PLAY; 1172 } else 1173 return (EINVAL); 1174 } 1175 1176 for (mode = AUMODE_RECORD; mode != -1; 1177 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 1178 if ((setmode & mode) == 0) 1179 continue; 1180 1181 p = mode == AUMODE_PLAY ? play : rec; 1182 1183 if (p->sample_rate < ESS_MINRATE || 1184 p->sample_rate > ESS_MAXRATE || 1185 (p->precision != 8 && p->precision != 16) || 1186 (p->channels != 1 && p->channels != 2)) 1187 return (EINVAL); 1188 1189 p->factor = 1; 1190 p->sw_code = 0; 1191 switch (p->encoding) { 1192 case AUDIO_ENCODING_SLINEAR_BE: 1193 case AUDIO_ENCODING_ULINEAR_BE: 1194 if (p->precision == 16) 1195 p->sw_code = swap_bytes; 1196 break; 1197 case AUDIO_ENCODING_SLINEAR_LE: 1198 case AUDIO_ENCODING_ULINEAR_LE: 1199 break; 1200 case AUDIO_ENCODING_ULAW: 1201 if (mode == AUMODE_PLAY) { 1202 p->factor = 2; 1203 p->sw_code = mulaw_to_ulinear16; 1204 } else 1205 p->sw_code = ulinear8_to_mulaw; 1206 break; 1207 case AUDIO_ENCODING_ALAW: 1208 if (mode == AUMODE_PLAY) { 1209 p->factor = 2; 1210 p->sw_code = alaw_to_ulinear16; 1211 } else 1212 p->sw_code = ulinear8_to_alaw; 1213 break; 1214 default: 1215 return (EINVAL); 1216 } 1217 } 1218 1219 if (usemode == AUMODE_RECORD) 1220 rate = rec->sample_rate; 1221 else 1222 rate = play->sample_rate; 1223 1224 ess_write_x_reg(sc, ESS_XCMD_SAMPLE_RATE, ess_srtotc(rate)); 1225 ess_write_x_reg(sc, ESS_XCMD_FILTER_CLOCK, ess_srtofc(rate)); 1226 1227 if (sc->sc_model != ESS_1788) { 1228 ess_write_mix_reg(sc, ESS_MREG_SAMPLE_RATE, ess_srtotc(rate)); 1229 ess_write_mix_reg(sc, ESS_MREG_FILTER_CLOCK, ess_srtofc(rate)); 1230 } 1231 1232 return (0); 1233 } 1234 1235 int 1236 ess_audio1_trigger_output(addr, start, end, blksize, intr, arg, param) 1237 void *addr; 1238 void *start, *end; 1239 int blksize; 1240 void (*intr) __P((void *)); 1241 void *arg; 1242 struct audio_params *param; 1243 { 1244 struct ess_softc *sc = addr; 1245 u_int8_t reg; 1246 1247 DPRINTFN(1, ("ess_audio1_trigger_output: sc=%p start=%p end=%p blksize=%d intr=%p(%p)\n", 1248 addr, start, end, blksize, intr, arg)); 1249 1250 if (sc->sc_audio1.active) 1251 panic("ess_audio1_trigger_output: already running"); 1252 1253 sc->sc_audio1.active = 1; 1254 sc->sc_audio1.intr = intr; 1255 sc->sc_audio1.arg = arg; 1256 if (sc->sc_audio1.polled) { 1257 sc->sc_audio1.dmacount = 0; 1258 sc->sc_audio1.dmapos = sc->sc_audio1.buffersize = 1259 (char *)end - (char *)start; 1260 sc->sc_audio1.blksize = blksize; 1261 timeout(ess_audio1_poll, sc, hz/30); 1262 } 1263 1264 reg = ess_read_x_reg(sc, ESS_XCMD_AUDIO_CTRL); 1265 if (param->channels == 2) { 1266 reg &= ~ESS_AUDIO_CTRL_MONO; 1267 reg |= ESS_AUDIO_CTRL_STEREO; 1268 } else { 1269 reg |= ESS_AUDIO_CTRL_MONO; 1270 reg &= ~ESS_AUDIO_CTRL_STEREO; 1271 } 1272 ess_write_x_reg(sc, ESS_XCMD_AUDIO_CTRL, reg); 1273 1274 reg = ess_read_x_reg(sc, ESS_XCMD_AUDIO1_CTRL1); 1275 if (param->precision * param->factor == 16) 1276 reg |= ESS_AUDIO1_CTRL1_FIFO_SIZE; 1277 else 1278 reg &= ~ESS_AUDIO1_CTRL1_FIFO_SIZE; 1279 if (param->channels == 2) 1280 reg |= ESS_AUDIO1_CTRL1_FIFO_STEREO; 1281 else 1282 reg &= ~ESS_AUDIO1_CTRL1_FIFO_STEREO; 1283 if (param->encoding == AUDIO_ENCODING_SLINEAR_BE || 1284 param->encoding == AUDIO_ENCODING_SLINEAR_LE) 1285 reg |= ESS_AUDIO1_CTRL1_FIFO_SIGNED; 1286 else 1287 reg &= ~ESS_AUDIO1_CTRL1_FIFO_SIGNED; 1288 reg |= ESS_AUDIO1_CTRL1_FIFO_CONNECT; 1289 ess_write_x_reg(sc, ESS_XCMD_AUDIO1_CTRL1, reg); 1290 1291 isa_dmastart(sc->sc_ic, sc->sc_audio1.drq, start, 1292 (char *)end - (char *)start, NULL, 1293 DMAMODE_WRITE | DMAMODE_LOOPDEMAND, BUS_DMA_NOWAIT); 1294 1295 /* Program transfer count registers with 2's complement of count. */ 1296 blksize = -blksize; 1297 ess_write_x_reg(sc, ESS_XCMD_XFER_COUNTLO, blksize); 1298 ess_write_x_reg(sc, ESS_XCMD_XFER_COUNTHI, blksize >> 8); 1299 1300 /* Use 4 bytes per output DMA. */ 1301 ess_set_xreg_bits(sc, ESS_XCMD_DEMAND_CTRL, ESS_DEMAND_CTRL_DEMAND_4); 1302 1303 /* Start auto-init DMA */ 1304 ess_wdsp(sc, ESS_ACMD_ENABLE_SPKR); 1305 reg = ess_read_x_reg(sc, ESS_XCMD_AUDIO1_CTRL2); 1306 reg &= ~(ESS_AUDIO1_CTRL2_DMA_READ | ESS_AUDIO1_CTRL2_ADC_ENABLE); 1307 reg |= ESS_AUDIO1_CTRL2_FIFO_ENABLE | ESS_AUDIO1_CTRL2_AUTO_INIT; 1308 ess_write_x_reg(sc, ESS_XCMD_AUDIO1_CTRL2, reg); 1309 1310 return (0); 1311 } 1312 1313 int 1314 ess_audio2_trigger_output(addr, start, end, blksize, intr, arg, param) 1315 void *addr; 1316 void *start, *end; 1317 int blksize; 1318 void (*intr) __P((void *)); 1319 void *arg; 1320 struct audio_params *param; 1321 { 1322 struct ess_softc *sc = addr; 1323 u_int8_t reg; 1324 1325 DPRINTFN(1, ("ess_audio2_trigger_output: sc=%p start=%p end=%p blksize=%d intr=%p(%p)\n", 1326 addr, start, end, blksize, intr, arg)); 1327 1328 if (sc->sc_audio2.active) 1329 panic("ess_audio2_trigger_output: already running"); 1330 1331 sc->sc_audio2.active = 1; 1332 sc->sc_audio2.intr = intr; 1333 sc->sc_audio2.arg = arg; 1334 if (sc->sc_audio2.polled) { 1335 sc->sc_audio2.dmacount = 0; 1336 sc->sc_audio2.dmapos = sc->sc_audio2.buffersize = 1337 (char *)end - (char *)start; 1338 sc->sc_audio2.blksize = blksize; 1339 timeout(ess_audio2_poll, sc, hz/30); 1340 } 1341 1342 reg = ess_read_mix_reg(sc, ESS_MREG_AUDIO2_CTRL2); 1343 if (param->precision * param->factor == 16) 1344 reg |= ESS_AUDIO2_CTRL2_FIFO_SIZE; 1345 else 1346 reg &= ~ESS_AUDIO2_CTRL2_FIFO_SIZE; 1347 if (param->channels == 2) 1348 reg |= ESS_AUDIO2_CTRL2_CHANNELS; 1349 else 1350 reg &= ~ESS_AUDIO2_CTRL2_CHANNELS; 1351 if (param->encoding == AUDIO_ENCODING_SLINEAR_BE || 1352 param->encoding == AUDIO_ENCODING_SLINEAR_LE) 1353 reg |= ESS_AUDIO2_CTRL2_FIFO_SIGNED; 1354 else 1355 reg &= ~ESS_AUDIO2_CTRL2_FIFO_SIGNED; 1356 ess_write_mix_reg(sc, ESS_MREG_AUDIO2_CTRL2, reg); 1357 1358 isa_dmastart(sc->sc_ic, sc->sc_audio2.drq, start, 1359 (char *)end - (char *)start, NULL, 1360 DMAMODE_WRITE | DMAMODE_LOOPDEMAND, BUS_DMA_NOWAIT); 1361 1362 if (IS16BITDRQ(sc->sc_audio2.drq)) 1363 blksize >>= 1; /* use word count for 16 bit DMA */ 1364 /* Program transfer count registers with 2's complement of count. */ 1365 blksize = -blksize; 1366 ess_write_mix_reg(sc, ESS_MREG_XFER_COUNTLO, blksize); 1367 ess_write_mix_reg(sc, ESS_MREG_XFER_COUNTHI, blksize >> 8); 1368 1369 reg = ess_read_mix_reg(sc, ESS_MREG_AUDIO2_CTRL1); 1370 if (IS16BITDRQ(sc->sc_audio2.drq)) 1371 reg |= ESS_AUDIO2_CTRL1_XFER_SIZE; 1372 else 1373 reg &= ~ESS_AUDIO2_CTRL1_XFER_SIZE; 1374 reg |= ESS_AUDIO2_CTRL1_DEMAND_8; 1375 reg |= ESS_AUDIO2_CTRL1_DAC_ENABLE | ESS_AUDIO2_CTRL1_FIFO_ENABLE | 1376 ESS_AUDIO2_CTRL1_AUTO_INIT; 1377 ess_write_mix_reg(sc, ESS_MREG_AUDIO2_CTRL1, reg); 1378 1379 return (0); 1380 } 1381 1382 int 1383 ess_audio1_trigger_input(addr, start, end, blksize, intr, arg, param) 1384 void *addr; 1385 void *start, *end; 1386 int blksize; 1387 void (*intr) __P((void *)); 1388 void *arg; 1389 struct audio_params *param; 1390 { 1391 struct ess_softc *sc = addr; 1392 u_int8_t reg; 1393 1394 DPRINTFN(1, ("ess_audio1_trigger_input: sc=%p start=%p end=%p blksize=%d intr=%p(%p)\n", 1395 addr, start, end, blksize, intr, arg)); 1396 1397 if (sc->sc_audio1.active) 1398 panic("ess_audio1_trigger_input: already running"); 1399 1400 sc->sc_audio1.active = 1; 1401 sc->sc_audio1.intr = intr; 1402 sc->sc_audio1.arg = arg; 1403 if (sc->sc_audio1.polled) { 1404 sc->sc_audio1.dmacount = 0; 1405 sc->sc_audio1.dmapos = sc->sc_audio1.buffersize = 1406 (char *)end - (char *)start; 1407 sc->sc_audio1.blksize = blksize; 1408 timeout(ess_audio1_poll, sc, hz/30); 1409 } 1410 1411 reg = ess_read_x_reg(sc, ESS_XCMD_AUDIO_CTRL); 1412 if (param->channels == 2) { 1413 reg &= ~ESS_AUDIO_CTRL_MONO; 1414 reg |= ESS_AUDIO_CTRL_STEREO; 1415 } else { 1416 reg |= ESS_AUDIO_CTRL_MONO; 1417 reg &= ~ESS_AUDIO_CTRL_STEREO; 1418 } 1419 ess_write_x_reg(sc, ESS_XCMD_AUDIO_CTRL, reg); 1420 1421 reg = ess_read_x_reg(sc, ESS_XCMD_AUDIO1_CTRL1); 1422 if (param->precision * param->factor == 16) 1423 reg |= ESS_AUDIO1_CTRL1_FIFO_SIZE; 1424 else 1425 reg &= ~ESS_AUDIO1_CTRL1_FIFO_SIZE; 1426 if (param->channels == 2) 1427 reg |= ESS_AUDIO1_CTRL1_FIFO_STEREO; 1428 else 1429 reg &= ~ESS_AUDIO1_CTRL1_FIFO_STEREO; 1430 if (param->encoding == AUDIO_ENCODING_SLINEAR_BE || 1431 param->encoding == AUDIO_ENCODING_SLINEAR_LE) 1432 reg |= ESS_AUDIO1_CTRL1_FIFO_SIGNED; 1433 else 1434 reg &= ~ESS_AUDIO1_CTRL1_FIFO_SIGNED; 1435 reg |= ESS_AUDIO1_CTRL1_FIFO_CONNECT; 1436 ess_write_x_reg(sc, ESS_XCMD_AUDIO1_CTRL1, reg); 1437 1438 isa_dmastart(sc->sc_ic, sc->sc_audio1.drq, start, 1439 (char *)end - (char *)start, NULL, 1440 DMAMODE_READ | DMAMODE_LOOPDEMAND, BUS_DMA_NOWAIT); 1441 1442 /* Program transfer count registers with 2's complement of count. */ 1443 blksize = -blksize; 1444 ess_write_x_reg(sc, ESS_XCMD_XFER_COUNTLO, blksize); 1445 ess_write_x_reg(sc, ESS_XCMD_XFER_COUNTHI, blksize >> 8); 1446 1447 /* Use 4 bytes per input DMA. */ 1448 ess_set_xreg_bits(sc, ESS_XCMD_DEMAND_CTRL, ESS_DEMAND_CTRL_DEMAND_4); 1449 1450 /* Start auto-init DMA */ 1451 ess_wdsp(sc, ESS_ACMD_DISABLE_SPKR); 1452 reg = ess_read_x_reg(sc, ESS_XCMD_AUDIO1_CTRL2); 1453 reg |= ESS_AUDIO1_CTRL2_DMA_READ | ESS_AUDIO1_CTRL2_ADC_ENABLE; 1454 reg |= ESS_AUDIO1_CTRL2_FIFO_ENABLE | ESS_AUDIO1_CTRL2_AUTO_INIT; 1455 ess_write_x_reg(sc, ESS_XCMD_AUDIO1_CTRL2, reg); 1456 1457 return (0); 1458 } 1459 1460 int 1461 ess_audio1_halt(addr) 1462 void *addr; 1463 { 1464 struct ess_softc *sc = addr; 1465 1466 DPRINTF(("ess_audio1_halt: sc=%p\n", sc)); 1467 1468 if (sc->sc_audio1.active) { 1469 ess_clear_xreg_bits(sc, ESS_XCMD_AUDIO1_CTRL2, 1470 ESS_AUDIO1_CTRL2_FIFO_ENABLE); 1471 isa_dmaabort(sc->sc_ic, sc->sc_audio1.drq); 1472 if (sc->sc_audio1.polled) 1473 untimeout(ess_audio1_poll, sc); 1474 sc->sc_audio1.active = 0; 1475 } 1476 1477 return (0); 1478 } 1479 1480 int 1481 ess_audio2_halt(addr) 1482 void *addr; 1483 { 1484 struct ess_softc *sc = addr; 1485 1486 DPRINTF(("ess_audio2_halt: sc=%p\n", sc)); 1487 1488 if (sc->sc_audio2.active) { 1489 ess_clear_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL1, 1490 ESS_AUDIO2_CTRL1_DAC_ENABLE | 1491 ESS_AUDIO2_CTRL1_FIFO_ENABLE); 1492 isa_dmaabort(sc->sc_ic, sc->sc_audio2.drq); 1493 if (sc->sc_audio2.polled) 1494 untimeout(ess_audio2_poll, sc); 1495 sc->sc_audio2.active = 0; 1496 } 1497 1498 return (0); 1499 } 1500 1501 int 1502 ess_audio1_intr(arg) 1503 void *arg; 1504 { 1505 struct ess_softc *sc = arg; 1506 u_int8_t reg; 1507 1508 DPRINTFN(1,("ess_audio1_intr: intr=%p\n", sc->sc_audio1.intr)); 1509 1510 /* Check and clear interrupt on Audio1. */ 1511 reg = EREAD1(sc->sc_iot, sc->sc_ioh, ESS_DSP_RW_STATUS); 1512 if ((reg & ESS_DSP_READ_OFLOW) == 0) 1513 return (0); 1514 reg = EREAD1(sc->sc_iot, sc->sc_ioh, ESS_CLEAR_INTR); 1515 1516 sc->sc_audio1.nintr++; 1517 1518 if (sc->sc_audio1.active) { 1519 (*sc->sc_audio1.intr)(sc->sc_audio1.arg); 1520 return (1); 1521 } else 1522 return (0); 1523 } 1524 1525 int 1526 ess_audio2_intr(arg) 1527 void *arg; 1528 { 1529 struct ess_softc *sc = arg; 1530 u_int8_t reg; 1531 1532 DPRINTFN(1,("ess_audio2_intr: intr=%p\n", sc->sc_audio2.intr)); 1533 1534 /* Check and clear interrupt on Audio2. */ 1535 reg = ess_read_mix_reg(sc, ESS_MREG_AUDIO2_CTRL2); 1536 if ((reg & ESS_AUDIO2_CTRL2_IRQ_LATCH) == 0) 1537 return (0); 1538 reg &= ~ESS_AUDIO2_CTRL2_IRQ_LATCH; 1539 ess_write_mix_reg(sc, ESS_MREG_AUDIO2_CTRL2, reg); 1540 1541 sc->sc_audio2.nintr++; 1542 1543 if (sc->sc_audio2.active) { 1544 (*sc->sc_audio2.intr)(sc->sc_audio2.arg); 1545 return (1); 1546 } else 1547 return (0); 1548 } 1549 1550 void 1551 ess_audio1_poll(addr) 1552 void *addr; 1553 { 1554 struct ess_softc *sc = addr; 1555 int dmapos, dmacount; 1556 1557 if (!sc->sc_audio1.active) 1558 return; 1559 1560 sc->sc_audio1.nintr++; 1561 1562 dmapos = isa_dmacount(sc->sc_ic, sc->sc_audio1.drq); 1563 dmacount = sc->sc_audio1.dmacount + sc->sc_audio1.dmapos - dmapos; 1564 if (dmapos > sc->sc_audio1.dmapos) 1565 dmacount += sc->sc_audio1.buffersize; 1566 while (dmacount > sc->sc_audio1.blksize) { 1567 dmacount -= sc->sc_audio1.blksize; 1568 (*sc->sc_audio1.intr)(sc->sc_audio1.arg); 1569 } 1570 sc->sc_audio1.dmapos = dmapos; 1571 sc->sc_audio1.dmacount = dmacount; 1572 1573 timeout(ess_audio1_poll, sc, hz/30); 1574 } 1575 1576 void 1577 ess_audio2_poll(addr) 1578 void *addr; 1579 { 1580 struct ess_softc *sc = addr; 1581 int dmapos, dmacount; 1582 1583 if (!sc->sc_audio2.active) 1584 return; 1585 1586 sc->sc_audio2.nintr++; 1587 1588 dmapos = isa_dmacount(sc->sc_ic, sc->sc_audio2.drq); 1589 dmacount = sc->sc_audio2.dmacount + sc->sc_audio2.dmapos - dmapos; 1590 if (dmapos > sc->sc_audio2.dmapos) 1591 dmacount += sc->sc_audio2.buffersize; 1592 while (dmacount > sc->sc_audio2.blksize) { 1593 dmacount -= sc->sc_audio2.blksize; 1594 (*sc->sc_audio2.intr)(sc->sc_audio2.arg); 1595 } 1596 sc->sc_audio2.dmapos = dmapos; 1597 sc->sc_audio2.dmacount = dmacount; 1598 1599 timeout(ess_audio2_poll, sc, hz/30); 1600 } 1601 1602 int 1603 ess_round_blocksize(addr, blk) 1604 void *addr; 1605 int blk; 1606 { 1607 return (blk & -8); /* round for max DMA size */ 1608 } 1609 1610 int 1611 ess_set_port(addr, cp) 1612 void *addr; 1613 mixer_ctrl_t *cp; 1614 { 1615 struct ess_softc *sc = addr; 1616 int lgain, rgain; 1617 1618 DPRINTFN(5,("ess_set_port: port=%d num_channels=%d\n", 1619 cp->dev, cp->un.value.num_channels)); 1620 1621 switch (cp->dev) { 1622 /* 1623 * The following mixer ports are all stereo. If we get a 1624 * single-channel gain value passed in, then we duplicate it 1625 * to both left and right channels. 1626 */ 1627 case ESS_MASTER_VOL: 1628 case ESS_DAC_PLAY_VOL: 1629 case ESS_MIC_PLAY_VOL: 1630 case ESS_LINE_PLAY_VOL: 1631 case ESS_SYNTH_PLAY_VOL: 1632 case ESS_CD_PLAY_VOL: 1633 case ESS_AUXB_PLAY_VOL: 1634 case ESS_RECORD_VOL: 1635 if (cp->type != AUDIO_MIXER_VALUE) 1636 return EINVAL; 1637 1638 switch (cp->un.value.num_channels) { 1639 case 1: 1640 lgain = rgain = ESS_4BIT_GAIN( 1641 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1642 break; 1643 case 2: 1644 lgain = ESS_4BIT_GAIN( 1645 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]); 1646 rgain = ESS_4BIT_GAIN( 1647 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]); 1648 break; 1649 default: 1650 return EINVAL; 1651 } 1652 1653 sc->gain[cp->dev][ESS_LEFT] = lgain; 1654 sc->gain[cp->dev][ESS_RIGHT] = rgain; 1655 ess_set_gain(sc, cp->dev, 1); 1656 return (0); 1657 1658 /* 1659 * The PC speaker port is mono. If we get a stereo gain value 1660 * passed in, then we return EINVAL. 1661 */ 1662 case ESS_PCSPEAKER_VOL: 1663 if (cp->un.value.num_channels != 1) 1664 return EINVAL; 1665 1666 sc->gain[cp->dev][ESS_LEFT] = sc->gain[cp->dev][ESS_RIGHT] = 1667 ESS_3BIT_GAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1668 ess_set_gain(sc, cp->dev, 1); 1669 return (0); 1670 1671 case ESS_RECORD_SOURCE: 1672 if (sc->sc_model == ESS_1788) { 1673 if (cp->type == AUDIO_MIXER_ENUM) 1674 return (ess_set_in_port(sc, cp->un.ord)); 1675 else 1676 return (EINVAL); 1677 } else { 1678 if (cp->type == AUDIO_MIXER_SET) 1679 return (ess_set_in_ports(sc, cp->un.mask)); 1680 else 1681 return (EINVAL); 1682 } 1683 return (0); 1684 1685 case ESS_RECORD_MONITOR: 1686 if (cp->type != AUDIO_MIXER_ENUM) 1687 return EINVAL; 1688 1689 if (cp->un.ord) 1690 /* Enable monitor */ 1691 ess_set_xreg_bits(sc, ESS_XCMD_AUDIO_CTRL, 1692 ESS_AUDIO_CTRL_MONITOR); 1693 else 1694 /* Disable monitor */ 1695 ess_clear_xreg_bits(sc, ESS_XCMD_AUDIO_CTRL, 1696 ESS_AUDIO_CTRL_MONITOR); 1697 return (0); 1698 } 1699 1700 if (sc->sc_model == ESS_1788) 1701 return (EINVAL); 1702 1703 switch (cp->dev) { 1704 case ESS_DAC_REC_VOL: 1705 case ESS_MIC_REC_VOL: 1706 case ESS_LINE_REC_VOL: 1707 case ESS_SYNTH_REC_VOL: 1708 case ESS_CD_REC_VOL: 1709 case ESS_AUXB_REC_VOL: 1710 if (cp->type != AUDIO_MIXER_VALUE) 1711 return EINVAL; 1712 1713 switch (cp->un.value.num_channels) { 1714 case 1: 1715 lgain = rgain = ESS_4BIT_GAIN( 1716 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1717 break; 1718 case 2: 1719 lgain = ESS_4BIT_GAIN( 1720 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]); 1721 rgain = ESS_4BIT_GAIN( 1722 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]); 1723 break; 1724 default: 1725 return EINVAL; 1726 } 1727 1728 sc->gain[cp->dev][ESS_LEFT] = lgain; 1729 sc->gain[cp->dev][ESS_RIGHT] = rgain; 1730 ess_set_gain(sc, cp->dev, 1); 1731 return (0); 1732 1733 case ESS_MIC_PREAMP: 1734 if (cp->type != AUDIO_MIXER_ENUM) 1735 return EINVAL; 1736 1737 if (cp->un.ord) 1738 /* Enable microphone preamp */ 1739 ess_set_xreg_bits(sc, ESS_XCMD_PREAMP_CTRL, 1740 ESS_PREAMP_CTRL_ENABLE); 1741 else 1742 /* Disable microphone preamp */ 1743 ess_clear_xreg_bits(sc, ESS_XCMD_PREAMP_CTRL, 1744 ESS_PREAMP_CTRL_ENABLE); 1745 return (0); 1746 } 1747 1748 return (EINVAL); 1749 } 1750 1751 int 1752 ess_get_port(addr, cp) 1753 void *addr; 1754 mixer_ctrl_t *cp; 1755 { 1756 struct ess_softc *sc = addr; 1757 1758 DPRINTFN(5,("ess_get_port: port=%d\n", cp->dev)); 1759 1760 switch (cp->dev) { 1761 case ESS_MASTER_VOL: 1762 case ESS_DAC_PLAY_VOL: 1763 case ESS_MIC_PLAY_VOL: 1764 case ESS_LINE_PLAY_VOL: 1765 case ESS_SYNTH_PLAY_VOL: 1766 case ESS_CD_PLAY_VOL: 1767 case ESS_AUXB_PLAY_VOL: 1768 case ESS_RECORD_VOL: 1769 switch (cp->un.value.num_channels) { 1770 case 1: 1771 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 1772 sc->gain[cp->dev][ESS_LEFT]; 1773 break; 1774 case 2: 1775 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 1776 sc->gain[cp->dev][ESS_LEFT]; 1777 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 1778 sc->gain[cp->dev][ESS_RIGHT]; 1779 break; 1780 default: 1781 return EINVAL; 1782 } 1783 return (0); 1784 1785 case ESS_PCSPEAKER_VOL: 1786 if (cp->un.value.num_channels != 1) 1787 return EINVAL; 1788 1789 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 1790 sc->gain[cp->dev][ESS_LEFT]; 1791 return (0); 1792 1793 case ESS_RECORD_SOURCE: 1794 if (sc->sc_model == ESS_1788) 1795 cp->un.ord = sc->in_port; 1796 else 1797 cp->un.mask = sc->in_mask; 1798 return (0); 1799 1800 case ESS_RECORD_MONITOR: 1801 cp->un.ord = (ess_read_x_reg(sc, ESS_XCMD_AUDIO_CTRL) & 1802 ESS_AUDIO_CTRL_MONITOR) ? 1 : 0; 1803 return (0); 1804 } 1805 1806 if (sc->sc_model == ESS_1788) 1807 return (EINVAL); 1808 1809 switch (cp->dev) { 1810 case ESS_DAC_REC_VOL: 1811 case ESS_MIC_REC_VOL: 1812 case ESS_LINE_REC_VOL: 1813 case ESS_SYNTH_REC_VOL: 1814 case ESS_CD_REC_VOL: 1815 case ESS_AUXB_REC_VOL: 1816 switch (cp->un.value.num_channels) { 1817 case 1: 1818 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 1819 sc->gain[cp->dev][ESS_LEFT]; 1820 break; 1821 case 2: 1822 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 1823 sc->gain[cp->dev][ESS_LEFT]; 1824 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 1825 sc->gain[cp->dev][ESS_RIGHT]; 1826 break; 1827 default: 1828 return EINVAL; 1829 } 1830 return (0); 1831 1832 case ESS_MIC_PREAMP: 1833 cp->un.ord = (ess_read_x_reg(sc, ESS_XCMD_PREAMP_CTRL) & 1834 ESS_PREAMP_CTRL_ENABLE) ? 1 : 0; 1835 return (0); 1836 } 1837 1838 return (EINVAL); 1839 } 1840 1841 int 1842 ess_query_devinfo(addr, dip) 1843 void *addr; 1844 mixer_devinfo_t *dip; 1845 { 1846 struct ess_softc *sc = addr; 1847 1848 DPRINTFN(5,("ess_query_devinfo: model=%d index=%d\n", 1849 sc->sc_model, dip->index)); 1850 1851 /* 1852 * REVISIT: There are some slight differences between the 1853 * mixers on the different ESS chips, which can 1854 * be sorted out using the chip model rather than a 1855 * separate mixer model. 1856 * This is currently coded assuming an ES1887; we 1857 * need to work out which bits are not applicable to 1858 * the other models (1888 and 888). 1859 */ 1860 switch (dip->index) { 1861 case ESS_DAC_PLAY_VOL: 1862 dip->mixer_class = ESS_INPUT_CLASS; 1863 dip->next = dip->prev = AUDIO_MIXER_LAST; 1864 strcpy(dip->label.name, AudioNdac); 1865 dip->type = AUDIO_MIXER_VALUE; 1866 dip->un.v.num_channels = 2; 1867 strcpy(dip->un.v.units.name, AudioNvolume); 1868 return (0); 1869 1870 case ESS_MIC_PLAY_VOL: 1871 dip->mixer_class = ESS_INPUT_CLASS; 1872 dip->prev = AUDIO_MIXER_LAST; 1873 if (sc->sc_model == ESS_1788) 1874 dip->next = AUDIO_MIXER_LAST; 1875 else 1876 dip->next = ESS_MIC_PREAMP; 1877 strcpy(dip->label.name, AudioNmicrophone); 1878 dip->type = AUDIO_MIXER_VALUE; 1879 dip->un.v.num_channels = 2; 1880 strcpy(dip->un.v.units.name, AudioNvolume); 1881 return (0); 1882 1883 case ESS_LINE_PLAY_VOL: 1884 dip->mixer_class = ESS_INPUT_CLASS; 1885 dip->next = dip->prev = AUDIO_MIXER_LAST; 1886 strcpy(dip->label.name, AudioNline); 1887 dip->type = AUDIO_MIXER_VALUE; 1888 dip->un.v.num_channels = 2; 1889 strcpy(dip->un.v.units.name, AudioNvolume); 1890 return (0); 1891 1892 case ESS_SYNTH_PLAY_VOL: 1893 dip->mixer_class = ESS_INPUT_CLASS; 1894 dip->next = dip->prev = AUDIO_MIXER_LAST; 1895 strcpy(dip->label.name, AudioNfmsynth); 1896 dip->type = AUDIO_MIXER_VALUE; 1897 dip->un.v.num_channels = 2; 1898 strcpy(dip->un.v.units.name, AudioNvolume); 1899 return (0); 1900 1901 case ESS_CD_PLAY_VOL: 1902 dip->mixer_class = ESS_INPUT_CLASS; 1903 dip->next = dip->prev = AUDIO_MIXER_LAST; 1904 strcpy(dip->label.name, AudioNcd); 1905 dip->type = AUDIO_MIXER_VALUE; 1906 dip->un.v.num_channels = 2; 1907 strcpy(dip->un.v.units.name, AudioNvolume); 1908 return (0); 1909 1910 case ESS_AUXB_PLAY_VOL: 1911 dip->mixer_class = ESS_INPUT_CLASS; 1912 dip->next = dip->prev = AUDIO_MIXER_LAST; 1913 strcpy(dip->label.name, "auxb"); 1914 dip->type = AUDIO_MIXER_VALUE; 1915 dip->un.v.num_channels = 2; 1916 strcpy(dip->un.v.units.name, AudioNvolume); 1917 return (0); 1918 1919 case ESS_INPUT_CLASS: 1920 dip->mixer_class = ESS_INPUT_CLASS; 1921 dip->next = dip->prev = AUDIO_MIXER_LAST; 1922 strcpy(dip->label.name, AudioCinputs); 1923 dip->type = AUDIO_MIXER_CLASS; 1924 return (0); 1925 1926 case ESS_MASTER_VOL: 1927 dip->mixer_class = ESS_OUTPUT_CLASS; 1928 dip->next = dip->prev = AUDIO_MIXER_LAST; 1929 strcpy(dip->label.name, AudioNmaster); 1930 dip->type = AUDIO_MIXER_VALUE; 1931 dip->un.v.num_channels = 2; 1932 strcpy(dip->un.v.units.name, AudioNvolume); 1933 return (0); 1934 1935 case ESS_PCSPEAKER_VOL: 1936 dip->mixer_class = ESS_OUTPUT_CLASS; 1937 dip->next = dip->prev = AUDIO_MIXER_LAST; 1938 strcpy(dip->label.name, "pc_speaker"); 1939 dip->type = AUDIO_MIXER_VALUE; 1940 dip->un.v.num_channels = 1; 1941 strcpy(dip->un.v.units.name, AudioNvolume); 1942 return (0); 1943 1944 case ESS_OUTPUT_CLASS: 1945 dip->mixer_class = ESS_OUTPUT_CLASS; 1946 dip->next = dip->prev = AUDIO_MIXER_LAST; 1947 strcpy(dip->label.name, AudioCoutputs); 1948 dip->type = AUDIO_MIXER_CLASS; 1949 return (0); 1950 1951 case ESS_RECORD_VOL: 1952 dip->mixer_class = ESS_RECORD_CLASS; 1953 dip->next = dip->prev = AUDIO_MIXER_LAST; 1954 strcpy(dip->label.name, AudioNrecord); 1955 dip->type = AUDIO_MIXER_VALUE; 1956 dip->un.v.num_channels = 2; 1957 strcpy(dip->un.v.units.name, AudioNvolume); 1958 return (0); 1959 1960 case ESS_RECORD_SOURCE: 1961 dip->mixer_class = ESS_RECORD_CLASS; 1962 dip->next = dip->prev = AUDIO_MIXER_LAST; 1963 strcpy(dip->label.name, AudioNsource); 1964 if (sc->sc_model == ESS_1788) { 1965 /* 1966 * The 1788 doesn't use the input mixer control that 1967 * the 1888 uses, because it's a pain when you only 1968 * have one mixer. 1969 * Perhaps it could be emulated by keeping both sets of 1970 * gain values, and doing a `context switch' of the 1971 * mixer registers when shifting from playing to 1972 * recording. 1973 */ 1974 dip->type = AUDIO_MIXER_ENUM; 1975 dip->un.e.num_mem = 4; 1976 strcpy(dip->un.e.member[0].label.name, AudioNmicrophone); 1977 dip->un.e.member[0].ord = ESS_SOURCE_MIC; 1978 strcpy(dip->un.e.member[1].label.name, AudioNline); 1979 dip->un.e.member[1].ord = ESS_SOURCE_LINE; 1980 strcpy(dip->un.e.member[2].label.name, AudioNcd); 1981 dip->un.e.member[2].ord = ESS_SOURCE_CD; 1982 strcpy(dip->un.e.member[3].label.name, AudioNmixerout); 1983 dip->un.e.member[3].ord = ESS_SOURCE_MIXER; 1984 } else { 1985 dip->type = AUDIO_MIXER_SET; 1986 dip->un.s.num_mem = 6; 1987 strcpy(dip->un.s.member[0].label.name, AudioNdac); 1988 dip->un.s.member[0].mask = 1 << ESS_DAC_REC_VOL; 1989 strcpy(dip->un.s.member[1].label.name, AudioNmicrophone); 1990 dip->un.s.member[1].mask = 1 << ESS_MIC_REC_VOL; 1991 strcpy(dip->un.s.member[2].label.name, AudioNline); 1992 dip->un.s.member[2].mask = 1 << ESS_LINE_REC_VOL; 1993 strcpy(dip->un.s.member[3].label.name, AudioNfmsynth); 1994 dip->un.s.member[3].mask = 1 << ESS_SYNTH_REC_VOL; 1995 strcpy(dip->un.s.member[4].label.name, AudioNcd); 1996 dip->un.s.member[4].mask = 1 << ESS_CD_REC_VOL; 1997 strcpy(dip->un.s.member[5].label.name, "auxb"); 1998 dip->un.s.member[5].mask = 1 << ESS_AUXB_REC_VOL; 1999 } 2000 return (0); 2001 2002 case ESS_RECORD_CLASS: 2003 dip->mixer_class = ESS_RECORD_CLASS; 2004 dip->next = dip->prev = AUDIO_MIXER_LAST; 2005 strcpy(dip->label.name, AudioCrecord); 2006 dip->type = AUDIO_MIXER_CLASS; 2007 return (0); 2008 2009 case ESS_RECORD_MONITOR: 2010 dip->prev = dip->next = AUDIO_MIXER_LAST; 2011 strcpy(dip->label.name, AudioNmonitor); 2012 dip->type = AUDIO_MIXER_ENUM; 2013 dip->mixer_class = ESS_MONITOR_CLASS; 2014 dip->un.e.num_mem = 2; 2015 strcpy(dip->un.e.member[0].label.name, AudioNoff); 2016 dip->un.e.member[0].ord = 0; 2017 strcpy(dip->un.e.member[1].label.name, AudioNon); 2018 dip->un.e.member[1].ord = 1; 2019 return (0); 2020 2021 case ESS_MONITOR_CLASS: 2022 dip->mixer_class = ESS_MONITOR_CLASS; 2023 dip->next = dip->prev = AUDIO_MIXER_LAST; 2024 strcpy(dip->label.name, AudioCmonitor); 2025 dip->type = AUDIO_MIXER_CLASS; 2026 return (0); 2027 } 2028 2029 if (sc->sc_model == ESS_1788) 2030 return (ENXIO); 2031 2032 switch (dip->index) { 2033 case ESS_DAC_REC_VOL: 2034 dip->mixer_class = ESS_RECORD_CLASS; 2035 dip->next = dip->prev = AUDIO_MIXER_LAST; 2036 strcpy(dip->label.name, AudioNdac); 2037 dip->type = AUDIO_MIXER_VALUE; 2038 dip->un.v.num_channels = 2; 2039 strcpy(dip->un.v.units.name, AudioNvolume); 2040 return (0); 2041 2042 case ESS_MIC_REC_VOL: 2043 dip->mixer_class = ESS_RECORD_CLASS; 2044 dip->next = dip->prev = AUDIO_MIXER_LAST; 2045 strcpy(dip->label.name, AudioNmicrophone); 2046 dip->type = AUDIO_MIXER_VALUE; 2047 dip->un.v.num_channels = 2; 2048 strcpy(dip->un.v.units.name, AudioNvolume); 2049 return (0); 2050 2051 case ESS_LINE_REC_VOL: 2052 dip->mixer_class = ESS_RECORD_CLASS; 2053 dip->next = dip->prev = AUDIO_MIXER_LAST; 2054 strcpy(dip->label.name, AudioNline); 2055 dip->type = AUDIO_MIXER_VALUE; 2056 dip->un.v.num_channels = 2; 2057 strcpy(dip->un.v.units.name, AudioNvolume); 2058 return (0); 2059 2060 case ESS_SYNTH_REC_VOL: 2061 dip->mixer_class = ESS_RECORD_CLASS; 2062 dip->next = dip->prev = AUDIO_MIXER_LAST; 2063 strcpy(dip->label.name, AudioNfmsynth); 2064 dip->type = AUDIO_MIXER_VALUE; 2065 dip->un.v.num_channels = 2; 2066 strcpy(dip->un.v.units.name, AudioNvolume); 2067 return (0); 2068 2069 case ESS_CD_REC_VOL: 2070 dip->mixer_class = ESS_RECORD_CLASS; 2071 dip->next = dip->prev = AUDIO_MIXER_LAST; 2072 strcpy(dip->label.name, AudioNcd); 2073 dip->type = AUDIO_MIXER_VALUE; 2074 dip->un.v.num_channels = 2; 2075 strcpy(dip->un.v.units.name, AudioNvolume); 2076 return (0); 2077 2078 case ESS_AUXB_REC_VOL: 2079 dip->mixer_class = ESS_RECORD_CLASS; 2080 dip->next = dip->prev = AUDIO_MIXER_LAST; 2081 strcpy(dip->label.name, "auxb"); 2082 dip->type = AUDIO_MIXER_VALUE; 2083 dip->un.v.num_channels = 2; 2084 strcpy(dip->un.v.units.name, AudioNvolume); 2085 return (0); 2086 2087 case ESS_MIC_PREAMP: 2088 dip->mixer_class = ESS_INPUT_CLASS; 2089 dip->prev = ESS_MIC_PLAY_VOL; 2090 dip->next = AUDIO_MIXER_LAST; 2091 strcpy(dip->label.name, AudioNpreamp); 2092 dip->type = AUDIO_MIXER_ENUM; 2093 dip->un.e.num_mem = 2; 2094 strcpy(dip->un.e.member[0].label.name, AudioNoff); 2095 dip->un.e.member[0].ord = 0; 2096 strcpy(dip->un.e.member[1].label.name, AudioNon); 2097 dip->un.e.member[1].ord = 1; 2098 return (0); 2099 } 2100 2101 return (ENXIO); 2102 } 2103 2104 void * 2105 ess_malloc(addr, direction, size, pool, flags) 2106 void *addr; 2107 int direction; 2108 size_t size; 2109 int pool, flags; 2110 { 2111 struct ess_softc *sc = addr; 2112 int drq; 2113 2114 if (sc->sc_model != ESS_1788 && direction == AUMODE_PLAY) 2115 drq = sc->sc_audio2.drq; 2116 else 2117 drq = sc->sc_audio1.drq; 2118 return (isa_malloc(sc->sc_ic, drq, size, pool, flags)); 2119 } 2120 2121 void 2122 ess_free(addr, ptr, pool) 2123 void *addr; 2124 void *ptr; 2125 int pool; 2126 { 2127 isa_free(ptr, pool); 2128 } 2129 2130 size_t 2131 ess_round_buffersize(addr, direction, size) 2132 void *addr; 2133 int direction; 2134 size_t size; 2135 { 2136 if (size > MAX_ISADMA) 2137 size = MAX_ISADMA; 2138 return (size); 2139 } 2140 2141 int 2142 ess_mappage(addr, mem, off, prot) 2143 void *addr; 2144 void *mem; 2145 int off; 2146 int prot; 2147 { 2148 return (isa_mappage(mem, off, prot)); 2149 } 2150 2151 int 2152 ess_1788_get_props(addr) 2153 void *addr; 2154 { 2155 2156 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT); 2157 } 2158 2159 int 2160 ess_1888_get_props(addr) 2161 void *addr; 2162 { 2163 2164 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX); 2165 } 2166 2167 /* ============================================ 2168 * Generic functions for ess, not used by audio h/w i/f 2169 * ============================================= 2170 */ 2171 2172 /* 2173 * Reset the chip. 2174 * Return non-zero if the chip isn't detected. 2175 */ 2176 int 2177 ess_reset(sc) 2178 struct ess_softc *sc; 2179 { 2180 bus_space_tag_t iot = sc->sc_iot; 2181 bus_space_handle_t ioh = sc->sc_ioh; 2182 2183 sc->sc_audio1.active = 0; 2184 sc->sc_audio2.active = 0; 2185 2186 EWRITE1(iot, ioh, ESS_DSP_RESET, ESS_RESET_EXT); 2187 delay(10000); 2188 EWRITE1(iot, ioh, ESS_DSP_RESET, 0); 2189 if (ess_rdsp(sc) != ESS_MAGIC) 2190 return (1); 2191 2192 /* Enable access to the ESS extension commands. */ 2193 ess_wdsp(sc, ESS_ACMD_ENABLE_EXT); 2194 2195 return (0); 2196 } 2197 2198 void 2199 ess_set_gain(sc, port, on) 2200 struct ess_softc *sc; 2201 int port; 2202 int on; 2203 { 2204 int gain, left, right; 2205 int mix; 2206 int src; 2207 int stereo; 2208 2209 /* 2210 * Most gain controls are found in the mixer registers and 2211 * are stereo. Any that are not, must set mix and stereo as 2212 * required. 2213 */ 2214 mix = 1; 2215 stereo = 1; 2216 2217 switch (port) { 2218 case ESS_MASTER_VOL: 2219 src = ESS_MREG_VOLUME_MASTER; 2220 break; 2221 case ESS_DAC_PLAY_VOL: 2222 if (sc->sc_model == ESS_1788) 2223 src = ESS_MREG_VOLUME_VOICE; 2224 else 2225 src = 0x7C; 2226 break; 2227 case ESS_MIC_PLAY_VOL: 2228 src = ESS_MREG_VOLUME_MIC; 2229 break; 2230 case ESS_LINE_PLAY_VOL: 2231 src = ESS_MREG_VOLUME_LINE; 2232 break; 2233 case ESS_SYNTH_PLAY_VOL: 2234 src = ESS_MREG_VOLUME_SYNTH; 2235 break; 2236 case ESS_CD_PLAY_VOL: 2237 src = ESS_MREG_VOLUME_CD; 2238 break; 2239 case ESS_AUXB_PLAY_VOL: 2240 src = ESS_MREG_VOLUME_AUXB; 2241 break; 2242 case ESS_PCSPEAKER_VOL: 2243 src = ESS_MREG_VOLUME_PCSPKR; 2244 stereo = 0; 2245 break; 2246 case ESS_DAC_REC_VOL: 2247 src = 0x69; 2248 break; 2249 case ESS_MIC_REC_VOL: 2250 src = 0x68; 2251 break; 2252 case ESS_LINE_REC_VOL: 2253 src = 0x6E; 2254 break; 2255 case ESS_SYNTH_REC_VOL: 2256 src = 0x6B; 2257 break; 2258 case ESS_CD_REC_VOL: 2259 src = 0x6A; 2260 break; 2261 case ESS_AUXB_REC_VOL: 2262 src = 0x6C; 2263 break; 2264 case ESS_RECORD_VOL: 2265 src = ESS_XCMD_VOLIN_CTRL; 2266 mix = 0; 2267 break; 2268 default: 2269 return; 2270 } 2271 2272 /* 1788 doesn't have a separate recording mixer */ 2273 if (sc->sc_model == ESS_1788 && mix && src > 0x62) 2274 return; 2275 2276 if (on) { 2277 left = sc->gain[port][ESS_LEFT]; 2278 right = sc->gain[port][ESS_RIGHT]; 2279 } else { 2280 left = right = 0; 2281 } 2282 2283 if (stereo) 2284 gain = ESS_STEREO_GAIN(left, right); 2285 else 2286 gain = ESS_MONO_GAIN(left); 2287 2288 if (mix) 2289 ess_write_mix_reg(sc, src, gain); 2290 else 2291 ess_write_x_reg(sc, src, gain); 2292 } 2293 2294 /* Set the input device on devices without an input mixer. */ 2295 int 2296 ess_set_in_port(sc, ord) 2297 struct ess_softc *sc; 2298 int ord; 2299 { 2300 mixer_devinfo_t di; 2301 int i; 2302 2303 DPRINTF(("ess_set_in_port: ord=0x%x\n", ord)); 2304 2305 /* 2306 * Get the device info for the record source control, 2307 * including the list of available sources. 2308 */ 2309 di.index = ESS_RECORD_SOURCE; 2310 if (ess_query_devinfo(sc, &di)) 2311 return EINVAL; 2312 2313 /* See if the given ord value was anywhere in the list. */ 2314 for (i = 0; i < di.un.e.num_mem; i++) { 2315 if (ord == di.un.e.member[i].ord) 2316 break; 2317 } 2318 if (i == di.un.e.num_mem) 2319 return EINVAL; 2320 2321 ess_write_mix_reg(sc, ESS_MREG_ADC_SOURCE, ord); 2322 2323 sc->in_port = ord; 2324 return (0); 2325 } 2326 2327 /* Set the input device levels on input-mixer-enabled devices. */ 2328 int 2329 ess_set_in_ports(sc, mask) 2330 struct ess_softc *sc; 2331 int mask; 2332 { 2333 mixer_devinfo_t di; 2334 int i, port; 2335 2336 DPRINTF(("ess_set_in_ports: mask=0x%x\n", mask)); 2337 2338 /* 2339 * Get the device info for the record source control, 2340 * including the list of available sources. 2341 */ 2342 di.index = ESS_RECORD_SOURCE; 2343 if (ess_query_devinfo(sc, &di)) 2344 return EINVAL; 2345 2346 /* 2347 * Set or disable the record volume control for each of the 2348 * possible sources. 2349 */ 2350 for (i = 0; i < di.un.s.num_mem; i++) { 2351 /* 2352 * Calculate the source port number from its mask. 2353 */ 2354 port = ffs(di.un.s.member[i].mask); 2355 2356 /* 2357 * Set the source gain: 2358 * to the current value if source is enabled 2359 * to zero if source is disabled 2360 */ 2361 ess_set_gain(sc, port, mask & di.un.s.member[i].mask); 2362 } 2363 2364 sc->in_mask = mask; 2365 return (0); 2366 } 2367 2368 void 2369 ess_speaker_on(sc) 2370 struct ess_softc *sc; 2371 { 2372 /* Disable mute on left- and right-master volume. */ 2373 ess_clear_mreg_bits(sc, ESS_MREG_VOLUME_LEFT, ESS_VOLUME_MUTE); 2374 ess_clear_mreg_bits(sc, ESS_MREG_VOLUME_RIGHT, ESS_VOLUME_MUTE); 2375 } 2376 2377 void 2378 ess_speaker_off(sc) 2379 struct ess_softc *sc; 2380 { 2381 /* Enable mute on left- and right-master volume. */ 2382 ess_set_mreg_bits(sc, ESS_MREG_VOLUME_LEFT, ESS_VOLUME_MUTE); 2383 ess_set_mreg_bits(sc, ESS_MREG_VOLUME_RIGHT, ESS_VOLUME_MUTE); 2384 } 2385 2386 /* 2387 * Calculate the time constant for the requested sampling rate. 2388 */ 2389 u_int 2390 ess_srtotc(rate) 2391 u_int rate; 2392 { 2393 u_int tc; 2394 2395 /* The following formulae are from the ESS data sheet. */ 2396 if (rate <= 22050) 2397 tc = 128 - 397700L / rate; 2398 else 2399 tc = 256 - 795500L / rate; 2400 2401 return (tc); 2402 } 2403 2404 2405 /* 2406 * Calculate the filter constant for the reuqested sampling rate. 2407 */ 2408 u_int 2409 ess_srtofc(rate) 2410 u_int rate; 2411 { 2412 /* 2413 * The following formula is derived from the information in 2414 * the ES1887 data sheet, based on a roll-off frequency of 2415 * 87%. 2416 */ 2417 return (256 - 200279L / rate); 2418 } 2419 2420 2421 /* 2422 * Return the status of the DSP. 2423 */ 2424 u_char 2425 ess_get_dsp_status(sc) 2426 struct ess_softc *sc; 2427 { 2428 return (EREAD1(sc->sc_iot, sc->sc_ioh, ESS_DSP_RW_STATUS)); 2429 } 2430 2431 2432 /* 2433 * Return the read status of the DSP: 1 -> DSP ready for reading 2434 * 0 -> DSP not ready for reading 2435 */ 2436 u_char 2437 ess_dsp_read_ready(sc) 2438 struct ess_softc *sc; 2439 { 2440 return ((ess_get_dsp_status(sc) & ESS_DSP_READ_READY) ? 1 : 0); 2441 } 2442 2443 2444 /* 2445 * Return the write status of the DSP: 1 -> DSP ready for writing 2446 * 0 -> DSP not ready for writing 2447 */ 2448 u_char 2449 ess_dsp_write_ready(sc) 2450 struct ess_softc *sc; 2451 { 2452 return ((ess_get_dsp_status(sc) & ESS_DSP_WRITE_BUSY) ? 0 : 1); 2453 } 2454 2455 2456 /* 2457 * Read a byte from the DSP. 2458 */ 2459 int 2460 ess_rdsp(sc) 2461 struct ess_softc *sc; 2462 { 2463 bus_space_tag_t iot = sc->sc_iot; 2464 bus_space_handle_t ioh = sc->sc_ioh; 2465 int i; 2466 2467 for (i = ESS_READ_TIMEOUT; i > 0; --i) { 2468 if (ess_dsp_read_ready(sc)) { 2469 i = EREAD1(iot, ioh, ESS_DSP_READ); 2470 DPRINTFN(8,("ess_rdsp() = 0x%02x\n", i)); 2471 return i; 2472 } else 2473 delay(10); 2474 } 2475 2476 DPRINTF(("ess_rdsp: timed out\n")); 2477 return (-1); 2478 } 2479 2480 /* 2481 * Write a byte to the DSP. 2482 */ 2483 int 2484 ess_wdsp(sc, v) 2485 struct ess_softc *sc; 2486 u_char v; 2487 { 2488 bus_space_tag_t iot = sc->sc_iot; 2489 bus_space_handle_t ioh = sc->sc_ioh; 2490 int i; 2491 2492 DPRINTFN(8,("ess_wdsp(0x%02x)\n", v)); 2493 2494 for (i = ESS_WRITE_TIMEOUT; i > 0; --i) { 2495 if (ess_dsp_write_ready(sc)) { 2496 EWRITE1(iot, ioh, ESS_DSP_WRITE, v); 2497 return (0); 2498 } else 2499 delay(10); 2500 } 2501 2502 DPRINTF(("ess_wdsp(0x%02x): timed out\n", v)); 2503 return (-1); 2504 } 2505 2506 /* 2507 * Write a value to one of the ESS extended registers. 2508 */ 2509 int 2510 ess_write_x_reg(sc, reg, val) 2511 struct ess_softc *sc; 2512 u_char reg; 2513 u_char val; 2514 { 2515 int error; 2516 2517 DPRINTFN(2,("ess_write_x_reg: %02x=%02x\n", reg, val)); 2518 if ((error = ess_wdsp(sc, reg)) == 0) 2519 error = ess_wdsp(sc, val); 2520 2521 return error; 2522 } 2523 2524 /* 2525 * Read the value of one of the ESS extended registers. 2526 */ 2527 u_char 2528 ess_read_x_reg(sc, reg) 2529 struct ess_softc *sc; 2530 u_char reg; 2531 { 2532 int error; 2533 int val; 2534 2535 if ((error = ess_wdsp(sc, 0xC0)) == 0) 2536 error = ess_wdsp(sc, reg); 2537 if (error) 2538 DPRINTF(("Error reading extended register 0x%02x\n", reg)); 2539 /* REVISIT: what if an error is returned above? */ 2540 val = ess_rdsp(sc); 2541 DPRINTFN(2,("ess_read_x_reg: %02x=%02x\n", reg, val)); 2542 return val; 2543 } 2544 2545 void 2546 ess_clear_xreg_bits(sc, reg, mask) 2547 struct ess_softc *sc; 2548 u_char reg; 2549 u_char mask; 2550 { 2551 if (ess_write_x_reg(sc, reg, ess_read_x_reg(sc, reg) & ~mask) == -1) 2552 DPRINTF(("Error clearing bits in extended register 0x%02x\n", 2553 reg)); 2554 } 2555 2556 void 2557 ess_set_xreg_bits(sc, reg, mask) 2558 struct ess_softc *sc; 2559 u_char reg; 2560 u_char mask; 2561 { 2562 if (ess_write_x_reg(sc, reg, ess_read_x_reg(sc, reg) | mask) == -1) 2563 DPRINTF(("Error setting bits in extended register 0x%02x\n", 2564 reg)); 2565 } 2566 2567 2568 /* 2569 * Write a value to one of the ESS mixer registers. 2570 */ 2571 void 2572 ess_write_mix_reg(sc, reg, val) 2573 struct ess_softc *sc; 2574 u_char reg; 2575 u_char val; 2576 { 2577 bus_space_tag_t iot = sc->sc_iot; 2578 bus_space_handle_t ioh = sc->sc_ioh; 2579 int s; 2580 2581 DPRINTFN(2,("ess_write_mix_reg: %x=%x\n", reg, val)); 2582 2583 s = splaudio(); 2584 EWRITE1(iot, ioh, ESS_MIX_REG_SELECT, reg); 2585 EWRITE1(iot, ioh, ESS_MIX_REG_DATA, val); 2586 splx(s); 2587 } 2588 2589 /* 2590 * Read the value of one of the ESS mixer registers. 2591 */ 2592 u_char 2593 ess_read_mix_reg(sc, reg) 2594 struct ess_softc *sc; 2595 u_char reg; 2596 { 2597 bus_space_tag_t iot = sc->sc_iot; 2598 bus_space_handle_t ioh = sc->sc_ioh; 2599 int s; 2600 u_char val; 2601 2602 s = splaudio(); 2603 EWRITE1(iot, ioh, ESS_MIX_REG_SELECT, reg); 2604 val = EREAD1(iot, ioh, ESS_MIX_REG_DATA); 2605 splx(s); 2606 2607 DPRINTFN(2,("ess_read_mix_reg: %x=%x\n", reg, val)); 2608 return val; 2609 } 2610 2611 void 2612 ess_clear_mreg_bits(sc, reg, mask) 2613 struct ess_softc *sc; 2614 u_char reg; 2615 u_char mask; 2616 { 2617 ess_write_mix_reg(sc, reg, ess_read_mix_reg(sc, reg) & ~mask); 2618 } 2619 2620 void 2621 ess_set_mreg_bits(sc, reg, mask) 2622 struct ess_softc *sc; 2623 u_char reg; 2624 u_char mask; 2625 { 2626 ess_write_mix_reg(sc, reg, ess_read_mix_reg(sc, reg) | mask); 2627 } 2628
Indexes created Mon Sep 22 13:09:51 GMT 2025