ess.c revision 1.49
1 /* $NetBSD: ess.c,v 1.49 2000/01/18 22:11:05 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 *)); 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 /* Reset the chip. */ 780 if (ess_reset(sc) != 0) { 781 DPRINTF(("ess_setup_sc: couldn't reset chip\n")); 782 return (1); 783 } 784 785 /* Identify the ESS chip, and check that it is supported. */ 786 if (ess_identify(sc)) { 787 DPRINTF(("ess_setup_sc: couldn't identify\n")); 788 return (1); 789 } 790 791 return (0); 792 } 793 794 /* 795 * Probe for the ESS hardware. 796 */ 797 int 798 essmatch(sc) 799 struct ess_softc *sc; 800 { 801 if (!ESS_BASE_VALID(sc->sc_iobase)) { 802 printf("ess: configured iobase 0x%x invalid\n", sc->sc_iobase); 803 return (0); 804 } 805 806 /* Configure the ESS chip for the desired audio base address. */ 807 if (ess_config_addr(sc)) 808 return (0); 809 810 if (ess_setup_sc(sc, 1)) 811 return (0); 812 813 if (sc->sc_model == ESS_UNSUPPORTED) { 814 DPRINTF(("ess: Unsupported model\n")); 815 return (0); 816 } 817 818 /* Check that requested DMA channels are valid and different. */ 819 if (!ESS_DRQ1_VALID(sc->sc_audio1.drq)) { 820 printf("ess: record drq %d invalid\n", sc->sc_audio1.drq); 821 return (0); 822 } 823 if (!isa_drq_isfree(sc->sc_ic, sc->sc_audio1.drq)) 824 return (0); 825 if (!ESS_USE_AUDIO1(sc->sc_model)) { 826 if (!ESS_DRQ2_VALID(sc->sc_audio2.drq)) { 827 printf("ess: play drq %d invalid\n", sc->sc_audio2.drq); 828 return (0); 829 } 830 if (sc->sc_audio1.drq == sc->sc_audio2.drq) { 831 printf("ess: play and record drq both %d\n", 832 sc->sc_audio1.drq); 833 return (0); 834 } 835 if (!isa_drq_isfree(sc->sc_ic, sc->sc_audio2.drq)) 836 return (0); 837 } 838 839 /* 840 * The 1887 has an additional IRQ mode where both channels are mapped 841 * to the same IRQ. 842 */ 843 if (sc->sc_model == ESS_1887 && 844 sc->sc_audio1.irq == sc->sc_audio2.irq && 845 sc->sc_audio1.irq != -1 && 846 ESS_IRQ12_VALID(sc->sc_audio1.irq)) 847 goto irq_not1888; 848 849 /* Check that requested IRQ lines are valid and different. */ 850 if (sc->sc_audio1.irq != -1 && 851 !ESS_IRQ1_VALID(sc->sc_audio1.irq)) { 852 printf("ess: record irq %d invalid\n", sc->sc_audio1.irq); 853 return (0); 854 } 855 if (!ESS_USE_AUDIO1(sc->sc_model)) { 856 if (sc->sc_audio2.irq != -1 && 857 !ESS_IRQ2_VALID(sc->sc_audio2.irq)) { 858 printf("ess: play irq %d invalid\n", sc->sc_audio2.irq); 859 return (0); 860 } 861 if (sc->sc_audio1.irq == sc->sc_audio2.irq && 862 sc->sc_audio1.irq != -1) { 863 printf("ess: play and record irq both %d\n", 864 sc->sc_audio1.irq); 865 return (0); 866 } 867 } 868 869 irq_not1888: 870 /* XXX should we check IRQs as well? */ 871 872 return (1); 873 } 874 875 876 /* 877 * Attach hardware to driver, attach hardware driver to audio 878 * pseudo-device driver. 879 */ 880 void 881 essattach(sc) 882 struct ess_softc *sc; 883 { 884 struct audio_attach_args arg; 885 struct audio_params pparams, rparams; 886 int i; 887 u_int v; 888 889 if (ess_setup_sc(sc, 0)) { 890 printf(": setup failed\n"); 891 return; 892 } 893 894 printf(": ESS Technology ES%s [version 0x%04x]\n", 895 essmodel[sc->sc_model], sc->sc_version); 896 897 sc->sc_audio1.polled = sc->sc_audio1.irq == -1; 898 if (!sc->sc_audio1.polled) { 899 sc->sc_audio1.ih = isa_intr_establish(sc->sc_ic, 900 sc->sc_audio1.irq, sc->sc_audio1.ist, IPL_AUDIO, 901 ess_audio1_intr, sc); 902 printf("%s: audio1 interrupting at irq %d\n", 903 sc->sc_dev.dv_xname, sc->sc_audio1.irq); 904 } else 905 printf("%s: audio1 polled\n", sc->sc_dev.dv_xname); 906 if (isa_dmamap_create(sc->sc_ic, sc->sc_audio1.drq, 907 MAX_ISADMA, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 908 printf("%s: can't create map for drq %d\n", 909 sc->sc_dev.dv_xname, sc->sc_audio1.drq); 910 return; 911 } 912 913 if (!ESS_USE_AUDIO1(sc->sc_model)) { 914 sc->sc_audio2.polled = sc->sc_audio2.irq == -1; 915 if (!sc->sc_audio2.polled) { 916 sc->sc_audio2.ih = isa_intr_establish(sc->sc_ic, 917 sc->sc_audio2.irq, sc->sc_audio2.ist, IPL_AUDIO, 918 ess_audio2_intr, sc); 919 printf("%s: audio2 interrupting at irq %d\n", 920 sc->sc_dev.dv_xname, sc->sc_audio2.irq); 921 } else 922 printf("%s: audio2 polled\n", sc->sc_dev.dv_xname); 923 if (isa_dmamap_create(sc->sc_ic, sc->sc_audio2.drq, 924 MAX_ISADMA, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 925 printf("%s: can't create map for drq %d\n", 926 sc->sc_dev.dv_xname, sc->sc_audio2.drq); 927 return; 928 } 929 } 930 931 /* 932 * Set record and play parameters to default values defined in 933 * generic audio driver. 934 */ 935 pparams = audio_default; 936 rparams = audio_default; 937 ess_set_params(sc, AUMODE_RECORD|AUMODE_PLAY, 0, &pparams, &rparams); 938 939 /* Do a hardware reset on the mixer. */ 940 ess_write_mix_reg(sc, ESS_MIX_RESET, ESS_MIX_RESET); 941 942 /* 943 * Set volume of Audio 1 to zero and disable Audio 1 DAC input 944 * to playback mixer, since playback is always through Audio 2. 945 */ 946 if (!ESS_USE_AUDIO1(sc->sc_model)) 947 ess_write_mix_reg(sc, ESS_MREG_VOLUME_VOICE, 0); 948 ess_wdsp(sc, ESS_ACMD_DISABLE_SPKR); 949 950 if (ESS_USE_AUDIO1(sc->sc_model)) { 951 ess_write_mix_reg(sc, ESS_MREG_ADC_SOURCE, ESS_SOURCE_MIC); 952 sc->in_port = ESS_SOURCE_MIC; 953 sc->ndevs = ESS_1788_NDEVS; 954 } else { 955 /* 956 * Set hardware record source to use output of the record 957 * mixer. We do the selection of record source in software by 958 * setting the gain of the unused sources to zero. (See 959 * ess_set_in_ports.) 960 */ 961 ess_write_mix_reg(sc, ESS_MREG_ADC_SOURCE, ESS_SOURCE_MIXER); 962 sc->in_mask = 1 << ESS_MIC_REC_VOL; 963 sc->ndevs = ESS_1888_NDEVS; 964 ess_clear_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL2, 0x10); 965 ess_set_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL2, 0x08); 966 } 967 968 /* 969 * Set gain on each mixer device to a sensible value. 970 * Devices not normally used are turned off, and other devices 971 * are set to 50% volume. 972 */ 973 for (i = 0; i < sc->ndevs; i++) { 974 switch (i) { 975 case ESS_MIC_PLAY_VOL: 976 case ESS_LINE_PLAY_VOL: 977 case ESS_CD_PLAY_VOL: 978 case ESS_AUXB_PLAY_VOL: 979 case ESS_DAC_REC_VOL: 980 case ESS_LINE_REC_VOL: 981 case ESS_SYNTH_REC_VOL: 982 case ESS_CD_REC_VOL: 983 case ESS_AUXB_REC_VOL: 984 v = 0; 985 break; 986 default: 987 v = ESS_4BIT_GAIN(AUDIO_MAX_GAIN / 2); 988 break; 989 } 990 sc->gain[i][ESS_LEFT] = sc->gain[i][ESS_RIGHT] = v; 991 ess_set_gain(sc, i, 1); 992 } 993 994 ess_setup(sc); 995 996 /* Disable the speaker until the device is opened. */ 997 ess_speaker_off(sc); 998 sc->spkr_state = SPKR_OFF; 999 1000 sprintf(ess_device.name, "ES%s", essmodel[sc->sc_model]); 1001 sprintf(ess_device.version, "0x%04x", sc->sc_version); 1002 1003 if (ESS_USE_AUDIO1(sc->sc_model)) 1004 audio_attach_mi(&ess_1788_hw_if, sc, &sc->sc_dev); 1005 else 1006 audio_attach_mi(&ess_1888_hw_if, sc, &sc->sc_dev); 1007 1008 arg.type = AUDIODEV_TYPE_OPL; 1009 arg.hwif = 0; 1010 arg.hdl = 0; 1011 (void)config_found(&sc->sc_dev, &arg, audioprint); 1012 1013 #ifdef AUDIO_DEBUG 1014 if (essdebug > 0) 1015 ess_printsc(sc); 1016 #endif 1017 } 1018 1019 /* 1020 * Various routines to interface to higher level audio driver 1021 */ 1022 1023 int 1024 ess_open(addr, flags) 1025 void *addr; 1026 int flags; 1027 { 1028 struct ess_softc *sc = addr; 1029 int i; 1030 1031 DPRINTF(("ess_open: sc=%p\n", sc)); 1032 1033 if (sc->sc_open != 0 || ess_reset(sc) != 0) 1034 return ENXIO; 1035 1036 ess_setup(sc); /* because we did a reset */ 1037 1038 /* Set all mixer controls again since some change at reset. */ 1039 for (i = 0; i < ESS_MAX_NDEVS; i++) 1040 ess_set_gain(sc, i, 1); 1041 1042 sc->sc_open = 1; 1043 1044 DPRINTF(("ess_open: opened\n")); 1045 1046 return (0); 1047 } 1048 1049 void 1050 ess_1788_close(addr) 1051 void *addr; 1052 { 1053 struct ess_softc *sc = addr; 1054 1055 DPRINTF(("ess_1788_close: sc=%p\n", sc)); 1056 1057 ess_speaker_off(sc); 1058 sc->spkr_state = SPKR_OFF; 1059 1060 ess_audio1_halt(sc); 1061 1062 sc->sc_open = 0; 1063 DPRINTF(("ess_1788_close: closed\n")); 1064 } 1065 1066 void 1067 ess_1888_close(addr) 1068 void *addr; 1069 { 1070 struct ess_softc *sc = addr; 1071 1072 DPRINTF(("ess_1888_close: sc=%p\n", sc)); 1073 1074 ess_speaker_off(sc); 1075 sc->spkr_state = SPKR_OFF; 1076 1077 ess_audio1_halt(sc); 1078 ess_audio2_halt(sc); 1079 1080 sc->sc_open = 0; 1081 DPRINTF(("ess_1888_close: closed\n")); 1082 } 1083 1084 /* 1085 * Wait for FIFO to drain, and analog section to settle. 1086 * XXX should check FIFO empty bit. 1087 */ 1088 int 1089 ess_drain(addr) 1090 void *addr; 1091 { 1092 tsleep(addr, PWAIT | PCATCH, "essdr", hz/20); /* XXX */ 1093 return (0); 1094 } 1095 1096 /* XXX should use reference count */ 1097 int 1098 ess_speaker_ctl(addr, newstate) 1099 void *addr; 1100 int newstate; 1101 { 1102 struct ess_softc *sc = addr; 1103 1104 if ((newstate == SPKR_ON) && (sc->spkr_state == SPKR_OFF)) { 1105 ess_speaker_on(sc); 1106 sc->spkr_state = SPKR_ON; 1107 } 1108 if ((newstate == SPKR_OFF) && (sc->spkr_state == SPKR_ON)) { 1109 ess_speaker_off(sc); 1110 sc->spkr_state = SPKR_OFF; 1111 } 1112 return (0); 1113 } 1114 1115 int 1116 ess_getdev(addr, retp) 1117 void *addr; 1118 struct audio_device *retp; 1119 { 1120 *retp = ess_device; 1121 return (0); 1122 } 1123 1124 int 1125 ess_query_encoding(addr, fp) 1126 void *addr; 1127 struct audio_encoding *fp; 1128 { 1129 /*struct ess_softc *sc = addr;*/ 1130 1131 switch (fp->index) { 1132 case 0: 1133 strcpy(fp->name, AudioEulinear); 1134 fp->encoding = AUDIO_ENCODING_ULINEAR; 1135 fp->precision = 8; 1136 fp->flags = 0; 1137 return (0); 1138 case 1: 1139 strcpy(fp->name, AudioEmulaw); 1140 fp->encoding = AUDIO_ENCODING_ULAW; 1141 fp->precision = 8; 1142 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 1143 return (0); 1144 case 2: 1145 strcpy(fp->name, AudioEalaw); 1146 fp->encoding = AUDIO_ENCODING_ALAW; 1147 fp->precision = 8; 1148 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 1149 return (0); 1150 case 3: 1151 strcpy(fp->name, AudioEslinear); 1152 fp->encoding = AUDIO_ENCODING_SLINEAR; 1153 fp->precision = 8; 1154 fp->flags = 0; 1155 return (0); 1156 case 4: 1157 strcpy(fp->name, AudioEslinear_le); 1158 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 1159 fp->precision = 16; 1160 fp->flags = 0; 1161 return (0); 1162 case 5: 1163 strcpy(fp->name, AudioEulinear_le); 1164 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 1165 fp->precision = 16; 1166 fp->flags = 0; 1167 return (0); 1168 case 6: 1169 strcpy(fp->name, AudioEslinear_be); 1170 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 1171 fp->precision = 16; 1172 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 1173 return (0); 1174 case 7: 1175 strcpy(fp->name, AudioEulinear_be); 1176 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 1177 fp->precision = 16; 1178 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 1179 return (0); 1180 default: 1181 return EINVAL; 1182 } 1183 return (0); 1184 } 1185 1186 int 1187 ess_set_params(addr, setmode, usemode, play, rec) 1188 void *addr; 1189 int setmode, usemode; 1190 struct audio_params *play, *rec; 1191 { 1192 struct ess_softc *sc = addr; 1193 struct audio_params *p; 1194 int mode; 1195 int rate; 1196 1197 DPRINTF(("ess_set_params: set=%d use=%d\n", setmode, usemode)); 1198 1199 /* 1200 * The ES1887 manual (page 39, `Full-Duplex DMA Mode') claims that in 1201 * full-duplex operation the sample rates must be the same for both 1202 * channels. This appears to be false; the only bit in common is the 1203 * clock source selection. However, we'll be conservative here. 1204 * - mycroft 1205 */ 1206 if (play->sample_rate != rec->sample_rate && 1207 usemode == (AUMODE_PLAY | AUMODE_RECORD)) { 1208 if (setmode == AUMODE_PLAY) { 1209 rec->sample_rate = play->sample_rate; 1210 setmode |= AUMODE_RECORD; 1211 } else if (setmode == AUMODE_RECORD) { 1212 play->sample_rate = rec->sample_rate; 1213 setmode |= AUMODE_PLAY; 1214 } else 1215 return (EINVAL); 1216 } 1217 1218 for (mode = AUMODE_RECORD; mode != -1; 1219 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 1220 if ((setmode & mode) == 0) 1221 continue; 1222 1223 p = mode == AUMODE_PLAY ? play : rec; 1224 1225 if (p->sample_rate < ESS_MINRATE || 1226 p->sample_rate > ESS_MAXRATE || 1227 (p->precision != 8 && p->precision != 16) || 1228 (p->channels != 1 && p->channels != 2)) 1229 return (EINVAL); 1230 1231 p->factor = 1; 1232 p->sw_code = 0; 1233 switch (p->encoding) { 1234 case AUDIO_ENCODING_SLINEAR_BE: 1235 case AUDIO_ENCODING_ULINEAR_BE: 1236 if (p->precision == 16) 1237 p->sw_code = swap_bytes; 1238 break; 1239 case AUDIO_ENCODING_SLINEAR_LE: 1240 case AUDIO_ENCODING_ULINEAR_LE: 1241 break; 1242 case AUDIO_ENCODING_ULAW: 1243 if (mode == AUMODE_PLAY) { 1244 p->factor = 2; 1245 p->sw_code = mulaw_to_ulinear16_le; 1246 } else 1247 p->sw_code = ulinear8_to_mulaw; 1248 break; 1249 case AUDIO_ENCODING_ALAW: 1250 if (mode == AUMODE_PLAY) { 1251 p->factor = 2; 1252 p->sw_code = alaw_to_ulinear16_le; 1253 } else 1254 p->sw_code = ulinear8_to_alaw; 1255 break; 1256 default: 1257 return (EINVAL); 1258 } 1259 } 1260 1261 if (usemode == AUMODE_RECORD) 1262 rate = rec->sample_rate; 1263 else 1264 rate = play->sample_rate; 1265 1266 ess_write_x_reg(sc, ESS_XCMD_SAMPLE_RATE, ess_srtotc(rate)); 1267 ess_write_x_reg(sc, ESS_XCMD_FILTER_CLOCK, ess_srtofc(rate)); 1268 1269 if (!ESS_USE_AUDIO1(sc->sc_model)) { 1270 ess_write_mix_reg(sc, ESS_MREG_SAMPLE_RATE, ess_srtotc(rate)); 1271 ess_write_mix_reg(sc, ESS_MREG_FILTER_CLOCK, ess_srtofc(rate)); 1272 } 1273 1274 return (0); 1275 } 1276 1277 int 1278 ess_audio1_trigger_output(addr, start, end, blksize, intr, arg, param) 1279 void *addr; 1280 void *start, *end; 1281 int blksize; 1282 void (*intr) __P((void *)); 1283 void *arg; 1284 struct audio_params *param; 1285 { 1286 struct ess_softc *sc = addr; 1287 u_int8_t reg; 1288 1289 DPRINTFN(1, ("ess_audio1_trigger_output: sc=%p start=%p end=%p blksize=%d intr=%p(%p)\n", 1290 addr, start, end, blksize, intr, arg)); 1291 1292 if (sc->sc_audio1.active) 1293 panic("ess_audio1_trigger_output: already running"); 1294 1295 sc->sc_audio1.active = 1; 1296 sc->sc_audio1.intr = intr; 1297 sc->sc_audio1.arg = arg; 1298 if (sc->sc_audio1.polled) { 1299 sc->sc_audio1.dmapos = 0; 1300 sc->sc_audio1.buffersize = (char *)end - (char *)start; 1301 sc->sc_audio1.dmacount = 0; 1302 sc->sc_audio1.blksize = blksize; 1303 timeout(ess_audio1_poll, sc, hz/30); 1304 } 1305 1306 reg = ess_read_x_reg(sc, ESS_XCMD_AUDIO_CTRL); 1307 if (param->channels == 2) { 1308 reg &= ~ESS_AUDIO_CTRL_MONO; 1309 reg |= ESS_AUDIO_CTRL_STEREO; 1310 } else { 1311 reg |= ESS_AUDIO_CTRL_MONO; 1312 reg &= ~ESS_AUDIO_CTRL_STEREO; 1313 } 1314 ess_write_x_reg(sc, ESS_XCMD_AUDIO_CTRL, reg); 1315 1316 reg = ess_read_x_reg(sc, ESS_XCMD_AUDIO1_CTRL1); 1317 if (param->precision * param->factor == 16) 1318 reg |= ESS_AUDIO1_CTRL1_FIFO_SIZE; 1319 else 1320 reg &= ~ESS_AUDIO1_CTRL1_FIFO_SIZE; 1321 if (param->channels == 2) 1322 reg |= ESS_AUDIO1_CTRL1_FIFO_STEREO; 1323 else 1324 reg &= ~ESS_AUDIO1_CTRL1_FIFO_STEREO; 1325 if (param->encoding == AUDIO_ENCODING_SLINEAR_BE || 1326 param->encoding == AUDIO_ENCODING_SLINEAR_LE) 1327 reg |= ESS_AUDIO1_CTRL1_FIFO_SIGNED; 1328 else 1329 reg &= ~ESS_AUDIO1_CTRL1_FIFO_SIGNED; 1330 reg |= ESS_AUDIO1_CTRL1_FIFO_CONNECT; 1331 ess_write_x_reg(sc, ESS_XCMD_AUDIO1_CTRL1, reg); 1332 1333 isa_dmastart(sc->sc_ic, sc->sc_audio1.drq, start, 1334 (char *)end - (char *)start, NULL, 1335 DMAMODE_WRITE | DMAMODE_LOOPDEMAND, BUS_DMA_NOWAIT); 1336 1337 /* Program transfer count registers with 2's complement of count. */ 1338 blksize = -blksize; 1339 ess_write_x_reg(sc, ESS_XCMD_XFER_COUNTLO, blksize); 1340 ess_write_x_reg(sc, ESS_XCMD_XFER_COUNTHI, blksize >> 8); 1341 1342 /* Use 4 bytes per output DMA. */ 1343 ess_set_xreg_bits(sc, ESS_XCMD_DEMAND_CTRL, ESS_DEMAND_CTRL_DEMAND_4); 1344 1345 /* Start auto-init DMA */ 1346 ess_wdsp(sc, ESS_ACMD_ENABLE_SPKR); 1347 reg = ess_read_x_reg(sc, ESS_XCMD_AUDIO1_CTRL2); 1348 reg &= ~(ESS_AUDIO1_CTRL2_DMA_READ | ESS_AUDIO1_CTRL2_ADC_ENABLE); 1349 reg |= ESS_AUDIO1_CTRL2_FIFO_ENABLE | ESS_AUDIO1_CTRL2_AUTO_INIT; 1350 ess_write_x_reg(sc, ESS_XCMD_AUDIO1_CTRL2, reg); 1351 1352 return (0); 1353 } 1354 1355 int 1356 ess_audio2_trigger_output(addr, start, end, blksize, intr, arg, param) 1357 void *addr; 1358 void *start, *end; 1359 int blksize; 1360 void (*intr) __P((void *)); 1361 void *arg; 1362 struct audio_params *param; 1363 { 1364 struct ess_softc *sc = addr; 1365 u_int8_t reg; 1366 1367 DPRINTFN(1, ("ess_audio2_trigger_output: sc=%p start=%p end=%p blksize=%d intr=%p(%p)\n", 1368 addr, start, end, blksize, intr, arg)); 1369 1370 if (sc->sc_audio2.active) 1371 panic("ess_audio2_trigger_output: already running"); 1372 1373 sc->sc_audio2.active = 1; 1374 sc->sc_audio2.intr = intr; 1375 sc->sc_audio2.arg = arg; 1376 if (sc->sc_audio2.polled) { 1377 sc->sc_audio2.dmapos = 0; 1378 sc->sc_audio2.buffersize = (char *)end - (char *)start; 1379 sc->sc_audio2.dmacount = 0; 1380 sc->sc_audio2.blksize = blksize; 1381 timeout(ess_audio2_poll, sc, hz/30); 1382 } 1383 1384 reg = ess_read_mix_reg(sc, ESS_MREG_AUDIO2_CTRL2); 1385 if (param->precision * param->factor == 16) 1386 reg |= ESS_AUDIO2_CTRL2_FIFO_SIZE; 1387 else 1388 reg &= ~ESS_AUDIO2_CTRL2_FIFO_SIZE; 1389 if (param->channels == 2) 1390 reg |= ESS_AUDIO2_CTRL2_CHANNELS; 1391 else 1392 reg &= ~ESS_AUDIO2_CTRL2_CHANNELS; 1393 if (param->encoding == AUDIO_ENCODING_SLINEAR_BE || 1394 param->encoding == AUDIO_ENCODING_SLINEAR_LE) 1395 reg |= ESS_AUDIO2_CTRL2_FIFO_SIGNED; 1396 else 1397 reg &= ~ESS_AUDIO2_CTRL2_FIFO_SIGNED; 1398 ess_write_mix_reg(sc, ESS_MREG_AUDIO2_CTRL2, reg); 1399 1400 isa_dmastart(sc->sc_ic, sc->sc_audio2.drq, start, 1401 (char *)end - (char *)start, NULL, 1402 DMAMODE_WRITE | DMAMODE_LOOPDEMAND, BUS_DMA_NOWAIT); 1403 1404 if (IS16BITDRQ(sc->sc_audio2.drq)) 1405 blksize >>= 1; /* use word count for 16 bit DMA */ 1406 /* Program transfer count registers with 2's complement of count. */ 1407 blksize = -blksize; 1408 ess_write_mix_reg(sc, ESS_MREG_XFER_COUNTLO, blksize); 1409 ess_write_mix_reg(sc, ESS_MREG_XFER_COUNTHI, blksize >> 8); 1410 1411 reg = ess_read_mix_reg(sc, ESS_MREG_AUDIO2_CTRL1); 1412 if (IS16BITDRQ(sc->sc_audio2.drq)) 1413 reg |= ESS_AUDIO2_CTRL1_XFER_SIZE; 1414 else 1415 reg &= ~ESS_AUDIO2_CTRL1_XFER_SIZE; 1416 reg |= ESS_AUDIO2_CTRL1_DEMAND_8; 1417 reg |= ESS_AUDIO2_CTRL1_DAC_ENABLE | ESS_AUDIO2_CTRL1_FIFO_ENABLE | 1418 ESS_AUDIO2_CTRL1_AUTO_INIT; 1419 ess_write_mix_reg(sc, ESS_MREG_AUDIO2_CTRL1, reg); 1420 1421 return (0); 1422 } 1423 1424 int 1425 ess_audio1_trigger_input(addr, start, end, blksize, intr, arg, param) 1426 void *addr; 1427 void *start, *end; 1428 int blksize; 1429 void (*intr) __P((void *)); 1430 void *arg; 1431 struct audio_params *param; 1432 { 1433 struct ess_softc *sc = addr; 1434 u_int8_t reg; 1435 1436 DPRINTFN(1, ("ess_audio1_trigger_input: sc=%p start=%p end=%p blksize=%d intr=%p(%p)\n", 1437 addr, start, end, blksize, intr, arg)); 1438 1439 if (sc->sc_audio1.active) 1440 panic("ess_audio1_trigger_input: already running"); 1441 1442 sc->sc_audio1.active = 1; 1443 sc->sc_audio1.intr = intr; 1444 sc->sc_audio1.arg = arg; 1445 if (sc->sc_audio1.polled) { 1446 sc->sc_audio1.dmapos = 0; 1447 sc->sc_audio1.buffersize = (char *)end - (char *)start; 1448 sc->sc_audio1.dmacount = 0; 1449 sc->sc_audio1.blksize = blksize; 1450 timeout(ess_audio1_poll, sc, hz/30); 1451 } 1452 1453 reg = ess_read_x_reg(sc, ESS_XCMD_AUDIO_CTRL); 1454 if (param->channels == 2) { 1455 reg &= ~ESS_AUDIO_CTRL_MONO; 1456 reg |= ESS_AUDIO_CTRL_STEREO; 1457 } else { 1458 reg |= ESS_AUDIO_CTRL_MONO; 1459 reg &= ~ESS_AUDIO_CTRL_STEREO; 1460 } 1461 ess_write_x_reg(sc, ESS_XCMD_AUDIO_CTRL, reg); 1462 1463 reg = ess_read_x_reg(sc, ESS_XCMD_AUDIO1_CTRL1); 1464 if (param->precision * param->factor == 16) 1465 reg |= ESS_AUDIO1_CTRL1_FIFO_SIZE; 1466 else 1467 reg &= ~ESS_AUDIO1_CTRL1_FIFO_SIZE; 1468 if (param->channels == 2) 1469 reg |= ESS_AUDIO1_CTRL1_FIFO_STEREO; 1470 else 1471 reg &= ~ESS_AUDIO1_CTRL1_FIFO_STEREO; 1472 if (param->encoding == AUDIO_ENCODING_SLINEAR_BE || 1473 param->encoding == AUDIO_ENCODING_SLINEAR_LE) 1474 reg |= ESS_AUDIO1_CTRL1_FIFO_SIGNED; 1475 else 1476 reg &= ~ESS_AUDIO1_CTRL1_FIFO_SIGNED; 1477 reg |= ESS_AUDIO1_CTRL1_FIFO_CONNECT; 1478 ess_write_x_reg(sc, ESS_XCMD_AUDIO1_CTRL1, reg); 1479 1480 isa_dmastart(sc->sc_ic, sc->sc_audio1.drq, start, 1481 (char *)end - (char *)start, NULL, 1482 DMAMODE_READ | DMAMODE_LOOPDEMAND, BUS_DMA_NOWAIT); 1483 1484 /* Program transfer count registers with 2's complement of count. */ 1485 blksize = -blksize; 1486 ess_write_x_reg(sc, ESS_XCMD_XFER_COUNTLO, blksize); 1487 ess_write_x_reg(sc, ESS_XCMD_XFER_COUNTHI, blksize >> 8); 1488 1489 /* Use 4 bytes per input DMA. */ 1490 ess_set_xreg_bits(sc, ESS_XCMD_DEMAND_CTRL, ESS_DEMAND_CTRL_DEMAND_4); 1491 1492 /* Start auto-init DMA */ 1493 ess_wdsp(sc, ESS_ACMD_DISABLE_SPKR); 1494 reg = ess_read_x_reg(sc, ESS_XCMD_AUDIO1_CTRL2); 1495 reg |= ESS_AUDIO1_CTRL2_DMA_READ | ESS_AUDIO1_CTRL2_ADC_ENABLE; 1496 reg |= ESS_AUDIO1_CTRL2_FIFO_ENABLE | ESS_AUDIO1_CTRL2_AUTO_INIT; 1497 ess_write_x_reg(sc, ESS_XCMD_AUDIO1_CTRL2, reg); 1498 1499 return (0); 1500 } 1501 1502 int 1503 ess_audio1_halt(addr) 1504 void *addr; 1505 { 1506 struct ess_softc *sc = addr; 1507 1508 DPRINTF(("ess_audio1_halt: sc=%p\n", sc)); 1509 1510 if (sc->sc_audio1.active) { 1511 ess_clear_xreg_bits(sc, ESS_XCMD_AUDIO1_CTRL2, 1512 ESS_AUDIO1_CTRL2_FIFO_ENABLE); 1513 isa_dmaabort(sc->sc_ic, sc->sc_audio1.drq); 1514 if (sc->sc_audio1.polled) 1515 untimeout(ess_audio1_poll, sc); 1516 sc->sc_audio1.active = 0; 1517 } 1518 1519 return (0); 1520 } 1521 1522 int 1523 ess_audio2_halt(addr) 1524 void *addr; 1525 { 1526 struct ess_softc *sc = addr; 1527 1528 DPRINTF(("ess_audio2_halt: sc=%p\n", sc)); 1529 1530 if (sc->sc_audio2.active) { 1531 ess_clear_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL1, 1532 ESS_AUDIO2_CTRL1_DAC_ENABLE | 1533 ESS_AUDIO2_CTRL1_FIFO_ENABLE); 1534 isa_dmaabort(sc->sc_ic, sc->sc_audio2.drq); 1535 if (sc->sc_audio2.polled) 1536 untimeout(ess_audio2_poll, sc); 1537 sc->sc_audio2.active = 0; 1538 } 1539 1540 return (0); 1541 } 1542 1543 int 1544 ess_audio1_intr(arg) 1545 void *arg; 1546 { 1547 struct ess_softc *sc = arg; 1548 u_int8_t reg; 1549 1550 DPRINTFN(1,("ess_audio1_intr: intr=%p\n", sc->sc_audio1.intr)); 1551 1552 /* Check and clear interrupt on Audio1. */ 1553 reg = EREAD1(sc->sc_iot, sc->sc_ioh, ESS_DSP_RW_STATUS); 1554 if ((reg & ESS_DSP_READ_OFLOW) == 0) 1555 return (0); 1556 reg = EREAD1(sc->sc_iot, sc->sc_ioh, ESS_CLEAR_INTR); 1557 1558 sc->sc_audio1.nintr++; 1559 1560 if (sc->sc_audio1.active) { 1561 (*sc->sc_audio1.intr)(sc->sc_audio1.arg); 1562 return (1); 1563 } else 1564 return (0); 1565 } 1566 1567 int 1568 ess_audio2_intr(arg) 1569 void *arg; 1570 { 1571 struct ess_softc *sc = arg; 1572 u_int8_t reg; 1573 1574 DPRINTFN(1,("ess_audio2_intr: intr=%p\n", sc->sc_audio2.intr)); 1575 1576 /* Check and clear interrupt on Audio2. */ 1577 reg = ess_read_mix_reg(sc, ESS_MREG_AUDIO2_CTRL2); 1578 if ((reg & ESS_AUDIO2_CTRL2_IRQ_LATCH) == 0) 1579 return (0); 1580 reg &= ~ESS_AUDIO2_CTRL2_IRQ_LATCH; 1581 ess_write_mix_reg(sc, ESS_MREG_AUDIO2_CTRL2, reg); 1582 1583 sc->sc_audio2.nintr++; 1584 1585 if (sc->sc_audio2.active) { 1586 (*sc->sc_audio2.intr)(sc->sc_audio2.arg); 1587 return (1); 1588 } else 1589 return (0); 1590 } 1591 1592 void 1593 ess_audio1_poll(addr) 1594 void *addr; 1595 { 1596 struct ess_softc *sc = addr; 1597 int dmapos, dmacount; 1598 1599 if (!sc->sc_audio1.active) 1600 return; 1601 1602 sc->sc_audio1.nintr++; 1603 1604 dmapos = isa_dmacount(sc->sc_ic, sc->sc_audio1.drq); 1605 dmacount = sc->sc_audio1.dmapos - dmapos; 1606 if (dmacount < 0) 1607 dmacount += sc->sc_audio1.buffersize; 1608 sc->sc_audio1.dmapos = dmapos; 1609 #if 1 1610 dmacount += sc->sc_audio1.dmacount; 1611 while (dmacount > sc->sc_audio1.blksize) { 1612 dmacount -= sc->sc_audio1.blksize; 1613 (*sc->sc_audio1.intr)(sc->sc_audio1.arg); 1614 } 1615 sc->sc_audio1.dmacount = dmacount; 1616 #else 1617 (*sc->sc_audio1.intr)(sc->sc_audio1.arg, dmacount); 1618 #endif 1619 1620 timeout(ess_audio1_poll, sc, hz/30); 1621 } 1622 1623 void 1624 ess_audio2_poll(addr) 1625 void *addr; 1626 { 1627 struct ess_softc *sc = addr; 1628 int dmapos, dmacount; 1629 1630 if (!sc->sc_audio2.active) 1631 return; 1632 1633 sc->sc_audio2.nintr++; 1634 1635 dmapos = isa_dmacount(sc->sc_ic, sc->sc_audio2.drq); 1636 dmacount = sc->sc_audio2.dmapos - dmapos; 1637 if (dmacount < 0) 1638 dmacount += sc->sc_audio2.buffersize; 1639 sc->sc_audio2.dmapos = dmapos; 1640 #if 1 1641 dmacount += sc->sc_audio2.dmacount; 1642 while (dmacount > sc->sc_audio2.blksize) { 1643 dmacount -= sc->sc_audio2.blksize; 1644 (*sc->sc_audio2.intr)(sc->sc_audio2.arg); 1645 } 1646 sc->sc_audio2.dmacount = dmacount; 1647 #else 1648 (*sc->sc_audio2.intr)(sc->sc_audio2.arg, dmacount); 1649 #endif 1650 1651 timeout(ess_audio2_poll, sc, hz/30); 1652 } 1653 1654 int 1655 ess_round_blocksize(addr, blk) 1656 void *addr; 1657 int blk; 1658 { 1659 return (blk & -8); /* round for max DMA size */ 1660 } 1661 1662 int 1663 ess_set_port(addr, cp) 1664 void *addr; 1665 mixer_ctrl_t *cp; 1666 { 1667 struct ess_softc *sc = addr; 1668 int lgain, rgain; 1669 1670 DPRINTFN(5,("ess_set_port: port=%d num_channels=%d\n", 1671 cp->dev, cp->un.value.num_channels)); 1672 1673 switch (cp->dev) { 1674 /* 1675 * The following mixer ports are all stereo. If we get a 1676 * single-channel gain value passed in, then we duplicate it 1677 * to both left and right channels. 1678 */ 1679 case ESS_MASTER_VOL: 1680 case ESS_DAC_PLAY_VOL: 1681 case ESS_MIC_PLAY_VOL: 1682 case ESS_LINE_PLAY_VOL: 1683 case ESS_SYNTH_PLAY_VOL: 1684 case ESS_CD_PLAY_VOL: 1685 case ESS_AUXB_PLAY_VOL: 1686 case ESS_RECORD_VOL: 1687 if (cp->type != AUDIO_MIXER_VALUE) 1688 return EINVAL; 1689 1690 switch (cp->un.value.num_channels) { 1691 case 1: 1692 lgain = rgain = ESS_4BIT_GAIN( 1693 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1694 break; 1695 case 2: 1696 lgain = ESS_4BIT_GAIN( 1697 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]); 1698 rgain = ESS_4BIT_GAIN( 1699 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]); 1700 break; 1701 default: 1702 return EINVAL; 1703 } 1704 1705 sc->gain[cp->dev][ESS_LEFT] = lgain; 1706 sc->gain[cp->dev][ESS_RIGHT] = rgain; 1707 ess_set_gain(sc, cp->dev, 1); 1708 return (0); 1709 1710 /* 1711 * The PC speaker port is mono. If we get a stereo gain value 1712 * passed in, then we return EINVAL. 1713 */ 1714 case ESS_PCSPEAKER_VOL: 1715 if (cp->un.value.num_channels != 1) 1716 return EINVAL; 1717 1718 sc->gain[cp->dev][ESS_LEFT] = sc->gain[cp->dev][ESS_RIGHT] = 1719 ESS_3BIT_GAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1720 ess_set_gain(sc, cp->dev, 1); 1721 return (0); 1722 1723 case ESS_RECORD_SOURCE: 1724 if (ESS_USE_AUDIO1(sc->sc_model)) { 1725 if (cp->type == AUDIO_MIXER_ENUM) 1726 return (ess_set_in_port(sc, cp->un.ord)); 1727 else 1728 return (EINVAL); 1729 } else { 1730 if (cp->type == AUDIO_MIXER_SET) 1731 return (ess_set_in_ports(sc, cp->un.mask)); 1732 else 1733 return (EINVAL); 1734 } 1735 return (0); 1736 1737 case ESS_RECORD_MONITOR: 1738 if (cp->type != AUDIO_MIXER_ENUM) 1739 return EINVAL; 1740 1741 if (cp->un.ord) 1742 /* Enable monitor */ 1743 ess_set_xreg_bits(sc, ESS_XCMD_AUDIO_CTRL, 1744 ESS_AUDIO_CTRL_MONITOR); 1745 else 1746 /* Disable monitor */ 1747 ess_clear_xreg_bits(sc, ESS_XCMD_AUDIO_CTRL, 1748 ESS_AUDIO_CTRL_MONITOR); 1749 return (0); 1750 } 1751 1752 if (ESS_USE_AUDIO1(sc->sc_model)) 1753 return (EINVAL); 1754 1755 switch (cp->dev) { 1756 case ESS_DAC_REC_VOL: 1757 case ESS_MIC_REC_VOL: 1758 case ESS_LINE_REC_VOL: 1759 case ESS_SYNTH_REC_VOL: 1760 case ESS_CD_REC_VOL: 1761 case ESS_AUXB_REC_VOL: 1762 if (cp->type != AUDIO_MIXER_VALUE) 1763 return EINVAL; 1764 1765 switch (cp->un.value.num_channels) { 1766 case 1: 1767 lgain = rgain = ESS_4BIT_GAIN( 1768 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1769 break; 1770 case 2: 1771 lgain = ESS_4BIT_GAIN( 1772 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]); 1773 rgain = ESS_4BIT_GAIN( 1774 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]); 1775 break; 1776 default: 1777 return EINVAL; 1778 } 1779 1780 sc->gain[cp->dev][ESS_LEFT] = lgain; 1781 sc->gain[cp->dev][ESS_RIGHT] = rgain; 1782 ess_set_gain(sc, cp->dev, 1); 1783 return (0); 1784 1785 case ESS_MIC_PREAMP: 1786 if (cp->type != AUDIO_MIXER_ENUM) 1787 return EINVAL; 1788 1789 if (cp->un.ord) 1790 /* Enable microphone preamp */ 1791 ess_set_xreg_bits(sc, ESS_XCMD_PREAMP_CTRL, 1792 ESS_PREAMP_CTRL_ENABLE); 1793 else 1794 /* Disable microphone preamp */ 1795 ess_clear_xreg_bits(sc, ESS_XCMD_PREAMP_CTRL, 1796 ESS_PREAMP_CTRL_ENABLE); 1797 return (0); 1798 } 1799 1800 return (EINVAL); 1801 } 1802 1803 int 1804 ess_get_port(addr, cp) 1805 void *addr; 1806 mixer_ctrl_t *cp; 1807 { 1808 struct ess_softc *sc = addr; 1809 1810 DPRINTFN(5,("ess_get_port: port=%d\n", cp->dev)); 1811 1812 switch (cp->dev) { 1813 case ESS_MASTER_VOL: 1814 case ESS_DAC_PLAY_VOL: 1815 case ESS_MIC_PLAY_VOL: 1816 case ESS_LINE_PLAY_VOL: 1817 case ESS_SYNTH_PLAY_VOL: 1818 case ESS_CD_PLAY_VOL: 1819 case ESS_AUXB_PLAY_VOL: 1820 case ESS_RECORD_VOL: 1821 switch (cp->un.value.num_channels) { 1822 case 1: 1823 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 1824 sc->gain[cp->dev][ESS_LEFT]; 1825 break; 1826 case 2: 1827 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 1828 sc->gain[cp->dev][ESS_LEFT]; 1829 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 1830 sc->gain[cp->dev][ESS_RIGHT]; 1831 break; 1832 default: 1833 return EINVAL; 1834 } 1835 return (0); 1836 1837 case ESS_PCSPEAKER_VOL: 1838 if (cp->un.value.num_channels != 1) 1839 return EINVAL; 1840 1841 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 1842 sc->gain[cp->dev][ESS_LEFT]; 1843 return (0); 1844 1845 case ESS_RECORD_SOURCE: 1846 if (ESS_USE_AUDIO1(sc->sc_model)) 1847 cp->un.ord = sc->in_port; 1848 else 1849 cp->un.mask = sc->in_mask; 1850 return (0); 1851 1852 case ESS_RECORD_MONITOR: 1853 cp->un.ord = (ess_read_x_reg(sc, ESS_XCMD_AUDIO_CTRL) & 1854 ESS_AUDIO_CTRL_MONITOR) ? 1 : 0; 1855 return (0); 1856 } 1857 1858 if (ESS_USE_AUDIO1(sc->sc_model)) 1859 return (EINVAL); 1860 1861 switch (cp->dev) { 1862 case ESS_DAC_REC_VOL: 1863 case ESS_MIC_REC_VOL: 1864 case ESS_LINE_REC_VOL: 1865 case ESS_SYNTH_REC_VOL: 1866 case ESS_CD_REC_VOL: 1867 case ESS_AUXB_REC_VOL: 1868 switch (cp->un.value.num_channels) { 1869 case 1: 1870 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 1871 sc->gain[cp->dev][ESS_LEFT]; 1872 break; 1873 case 2: 1874 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 1875 sc->gain[cp->dev][ESS_LEFT]; 1876 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 1877 sc->gain[cp->dev][ESS_RIGHT]; 1878 break; 1879 default: 1880 return EINVAL; 1881 } 1882 return (0); 1883 1884 case ESS_MIC_PREAMP: 1885 cp->un.ord = (ess_read_x_reg(sc, ESS_XCMD_PREAMP_CTRL) & 1886 ESS_PREAMP_CTRL_ENABLE) ? 1 : 0; 1887 return (0); 1888 } 1889 1890 return (EINVAL); 1891 } 1892 1893 int 1894 ess_query_devinfo(addr, dip) 1895 void *addr; 1896 mixer_devinfo_t *dip; 1897 { 1898 struct ess_softc *sc = addr; 1899 1900 DPRINTFN(5,("ess_query_devinfo: model=%d index=%d\n", 1901 sc->sc_model, dip->index)); 1902 1903 /* 1904 * REVISIT: There are some slight differences between the 1905 * mixers on the different ESS chips, which can 1906 * be sorted out using the chip model rather than a 1907 * separate mixer model. 1908 * This is currently coded assuming an ES1887; we 1909 * need to work out which bits are not applicable to 1910 * the other models (1888 and 888). 1911 */ 1912 switch (dip->index) { 1913 case ESS_DAC_PLAY_VOL: 1914 dip->mixer_class = ESS_INPUT_CLASS; 1915 dip->next = dip->prev = AUDIO_MIXER_LAST; 1916 strcpy(dip->label.name, AudioNdac); 1917 dip->type = AUDIO_MIXER_VALUE; 1918 dip->un.v.num_channels = 2; 1919 strcpy(dip->un.v.units.name, AudioNvolume); 1920 return (0); 1921 1922 case ESS_MIC_PLAY_VOL: 1923 dip->mixer_class = ESS_INPUT_CLASS; 1924 dip->prev = AUDIO_MIXER_LAST; 1925 if (ESS_USE_AUDIO1(sc->sc_model)) 1926 dip->next = AUDIO_MIXER_LAST; 1927 else 1928 dip->next = ESS_MIC_PREAMP; 1929 strcpy(dip->label.name, AudioNmicrophone); 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_LINE_PLAY_VOL: 1936 dip->mixer_class = ESS_INPUT_CLASS; 1937 dip->next = dip->prev = AUDIO_MIXER_LAST; 1938 strcpy(dip->label.name, AudioNline); 1939 dip->type = AUDIO_MIXER_VALUE; 1940 dip->un.v.num_channels = 2; 1941 strcpy(dip->un.v.units.name, AudioNvolume); 1942 return (0); 1943 1944 case ESS_SYNTH_PLAY_VOL: 1945 dip->mixer_class = ESS_INPUT_CLASS; 1946 dip->next = dip->prev = AUDIO_MIXER_LAST; 1947 strcpy(dip->label.name, AudioNfmsynth); 1948 dip->type = AUDIO_MIXER_VALUE; 1949 dip->un.v.num_channels = 2; 1950 strcpy(dip->un.v.units.name, AudioNvolume); 1951 return (0); 1952 1953 case ESS_CD_PLAY_VOL: 1954 dip->mixer_class = ESS_INPUT_CLASS; 1955 dip->next = dip->prev = AUDIO_MIXER_LAST; 1956 strcpy(dip->label.name, AudioNcd); 1957 dip->type = AUDIO_MIXER_VALUE; 1958 dip->un.v.num_channels = 2; 1959 strcpy(dip->un.v.units.name, AudioNvolume); 1960 return (0); 1961 1962 case ESS_AUXB_PLAY_VOL: 1963 dip->mixer_class = ESS_INPUT_CLASS; 1964 dip->next = dip->prev = AUDIO_MIXER_LAST; 1965 strcpy(dip->label.name, "auxb"); 1966 dip->type = AUDIO_MIXER_VALUE; 1967 dip->un.v.num_channels = 2; 1968 strcpy(dip->un.v.units.name, AudioNvolume); 1969 return (0); 1970 1971 case ESS_INPUT_CLASS: 1972 dip->mixer_class = ESS_INPUT_CLASS; 1973 dip->next = dip->prev = AUDIO_MIXER_LAST; 1974 strcpy(dip->label.name, AudioCinputs); 1975 dip->type = AUDIO_MIXER_CLASS; 1976 return (0); 1977 1978 case ESS_MASTER_VOL: 1979 dip->mixer_class = ESS_OUTPUT_CLASS; 1980 dip->next = dip->prev = AUDIO_MIXER_LAST; 1981 strcpy(dip->label.name, AudioNmaster); 1982 dip->type = AUDIO_MIXER_VALUE; 1983 dip->un.v.num_channels = 2; 1984 strcpy(dip->un.v.units.name, AudioNvolume); 1985 return (0); 1986 1987 case ESS_PCSPEAKER_VOL: 1988 dip->mixer_class = ESS_OUTPUT_CLASS; 1989 dip->next = dip->prev = AUDIO_MIXER_LAST; 1990 strcpy(dip->label.name, "pc_speaker"); 1991 dip->type = AUDIO_MIXER_VALUE; 1992 dip->un.v.num_channels = 1; 1993 strcpy(dip->un.v.units.name, AudioNvolume); 1994 return (0); 1995 1996 case ESS_OUTPUT_CLASS: 1997 dip->mixer_class = ESS_OUTPUT_CLASS; 1998 dip->next = dip->prev = AUDIO_MIXER_LAST; 1999 strcpy(dip->label.name, AudioCoutputs); 2000 dip->type = AUDIO_MIXER_CLASS; 2001 return (0); 2002 2003 case ESS_RECORD_VOL: 2004 dip->mixer_class = ESS_RECORD_CLASS; 2005 dip->next = dip->prev = AUDIO_MIXER_LAST; 2006 strcpy(dip->label.name, AudioNrecord); 2007 dip->type = AUDIO_MIXER_VALUE; 2008 dip->un.v.num_channels = 2; 2009 strcpy(dip->un.v.units.name, AudioNvolume); 2010 return (0); 2011 2012 case ESS_RECORD_SOURCE: 2013 dip->mixer_class = ESS_RECORD_CLASS; 2014 dip->next = dip->prev = AUDIO_MIXER_LAST; 2015 strcpy(dip->label.name, AudioNsource); 2016 if (ESS_USE_AUDIO1(sc->sc_model)) { 2017 /* 2018 * The 1788 doesn't use the input mixer control that 2019 * the 1888 uses, because it's a pain when you only 2020 * have one mixer. 2021 * Perhaps it could be emulated by keeping both sets of 2022 * gain values, and doing a `context switch' of the 2023 * mixer registers when shifting from playing to 2024 * recording. 2025 */ 2026 dip->type = AUDIO_MIXER_ENUM; 2027 dip->un.e.num_mem = 4; 2028 strcpy(dip->un.e.member[0].label.name, AudioNmicrophone); 2029 dip->un.e.member[0].ord = ESS_SOURCE_MIC; 2030 strcpy(dip->un.e.member[1].label.name, AudioNline); 2031 dip->un.e.member[1].ord = ESS_SOURCE_LINE; 2032 strcpy(dip->un.e.member[2].label.name, AudioNcd); 2033 dip->un.e.member[2].ord = ESS_SOURCE_CD; 2034 strcpy(dip->un.e.member[3].label.name, AudioNmixerout); 2035 dip->un.e.member[3].ord = ESS_SOURCE_MIXER; 2036 } else { 2037 dip->type = AUDIO_MIXER_SET; 2038 dip->un.s.num_mem = 6; 2039 strcpy(dip->un.s.member[0].label.name, AudioNdac); 2040 dip->un.s.member[0].mask = 1 << ESS_DAC_REC_VOL; 2041 strcpy(dip->un.s.member[1].label.name, AudioNmicrophone); 2042 dip->un.s.member[1].mask = 1 << ESS_MIC_REC_VOL; 2043 strcpy(dip->un.s.member[2].label.name, AudioNline); 2044 dip->un.s.member[2].mask = 1 << ESS_LINE_REC_VOL; 2045 strcpy(dip->un.s.member[3].label.name, AudioNfmsynth); 2046 dip->un.s.member[3].mask = 1 << ESS_SYNTH_REC_VOL; 2047 strcpy(dip->un.s.member[4].label.name, AudioNcd); 2048 dip->un.s.member[4].mask = 1 << ESS_CD_REC_VOL; 2049 strcpy(dip->un.s.member[5].label.name, "auxb"); 2050 dip->un.s.member[5].mask = 1 << ESS_AUXB_REC_VOL; 2051 } 2052 return (0); 2053 2054 case ESS_RECORD_CLASS: 2055 dip->mixer_class = ESS_RECORD_CLASS; 2056 dip->next = dip->prev = AUDIO_MIXER_LAST; 2057 strcpy(dip->label.name, AudioCrecord); 2058 dip->type = AUDIO_MIXER_CLASS; 2059 return (0); 2060 2061 case ESS_RECORD_MONITOR: 2062 dip->prev = dip->next = AUDIO_MIXER_LAST; 2063 strcpy(dip->label.name, AudioNmute); 2064 dip->type = AUDIO_MIXER_ENUM; 2065 dip->mixer_class = ESS_MONITOR_CLASS; 2066 dip->un.e.num_mem = 2; 2067 strcpy(dip->un.e.member[0].label.name, AudioNoff); 2068 dip->un.e.member[0].ord = 0; 2069 strcpy(dip->un.e.member[1].label.name, AudioNon); 2070 dip->un.e.member[1].ord = 1; 2071 return (0); 2072 2073 case ESS_MONITOR_CLASS: 2074 dip->mixer_class = ESS_MONITOR_CLASS; 2075 dip->next = dip->prev = AUDIO_MIXER_LAST; 2076 strcpy(dip->label.name, AudioCmonitor); 2077 dip->type = AUDIO_MIXER_CLASS; 2078 return (0); 2079 } 2080 2081 if (ESS_USE_AUDIO1(sc->sc_model)) 2082 return (ENXIO); 2083 2084 switch (dip->index) { 2085 case ESS_DAC_REC_VOL: 2086 dip->mixer_class = ESS_RECORD_CLASS; 2087 dip->next = dip->prev = AUDIO_MIXER_LAST; 2088 strcpy(dip->label.name, AudioNdac); 2089 dip->type = AUDIO_MIXER_VALUE; 2090 dip->un.v.num_channels = 2; 2091 strcpy(dip->un.v.units.name, AudioNvolume); 2092 return (0); 2093 2094 case ESS_MIC_REC_VOL: 2095 dip->mixer_class = ESS_RECORD_CLASS; 2096 dip->next = dip->prev = AUDIO_MIXER_LAST; 2097 strcpy(dip->label.name, AudioNmicrophone); 2098 dip->type = AUDIO_MIXER_VALUE; 2099 dip->un.v.num_channels = 2; 2100 strcpy(dip->un.v.units.name, AudioNvolume); 2101 return (0); 2102 2103 case ESS_LINE_REC_VOL: 2104 dip->mixer_class = ESS_RECORD_CLASS; 2105 dip->next = dip->prev = AUDIO_MIXER_LAST; 2106 strcpy(dip->label.name, AudioNline); 2107 dip->type = AUDIO_MIXER_VALUE; 2108 dip->un.v.num_channels = 2; 2109 strcpy(dip->un.v.units.name, AudioNvolume); 2110 return (0); 2111 2112 case ESS_SYNTH_REC_VOL: 2113 dip->mixer_class = ESS_RECORD_CLASS; 2114 dip->next = dip->prev = AUDIO_MIXER_LAST; 2115 strcpy(dip->label.name, AudioNfmsynth); 2116 dip->type = AUDIO_MIXER_VALUE; 2117 dip->un.v.num_channels = 2; 2118 strcpy(dip->un.v.units.name, AudioNvolume); 2119 return (0); 2120 2121 case ESS_CD_REC_VOL: 2122 dip->mixer_class = ESS_RECORD_CLASS; 2123 dip->next = dip->prev = AUDIO_MIXER_LAST; 2124 strcpy(dip->label.name, AudioNcd); 2125 dip->type = AUDIO_MIXER_VALUE; 2126 dip->un.v.num_channels = 2; 2127 strcpy(dip->un.v.units.name, AudioNvolume); 2128 return (0); 2129 2130 case ESS_AUXB_REC_VOL: 2131 dip->mixer_class = ESS_RECORD_CLASS; 2132 dip->next = dip->prev = AUDIO_MIXER_LAST; 2133 strcpy(dip->label.name, "auxb"); 2134 dip->type = AUDIO_MIXER_VALUE; 2135 dip->un.v.num_channels = 2; 2136 strcpy(dip->un.v.units.name, AudioNvolume); 2137 return (0); 2138 2139 case ESS_MIC_PREAMP: 2140 dip->mixer_class = ESS_INPUT_CLASS; 2141 dip->prev = ESS_MIC_PLAY_VOL; 2142 dip->next = AUDIO_MIXER_LAST; 2143 strcpy(dip->label.name, AudioNpreamp); 2144 dip->type = AUDIO_MIXER_ENUM; 2145 dip->un.e.num_mem = 2; 2146 strcpy(dip->un.e.member[0].label.name, AudioNoff); 2147 dip->un.e.member[0].ord = 0; 2148 strcpy(dip->un.e.member[1].label.name, AudioNon); 2149 dip->un.e.member[1].ord = 1; 2150 return (0); 2151 } 2152 2153 return (ENXIO); 2154 } 2155 2156 void * 2157 ess_malloc(addr, direction, size, pool, flags) 2158 void *addr; 2159 int direction; 2160 size_t size; 2161 int pool, flags; 2162 { 2163 struct ess_softc *sc = addr; 2164 int drq; 2165 2166 if ((!ESS_USE_AUDIO1(sc->sc_model)) && direction == AUMODE_PLAY) 2167 drq = sc->sc_audio2.drq; 2168 else 2169 drq = sc->sc_audio1.drq; 2170 return (isa_malloc(sc->sc_ic, drq, size, pool, flags)); 2171 } 2172 2173 void 2174 ess_free(addr, ptr, pool) 2175 void *addr; 2176 void *ptr; 2177 int pool; 2178 { 2179 isa_free(ptr, pool); 2180 } 2181 2182 size_t 2183 ess_round_buffersize(addr, direction, size) 2184 void *addr; 2185 int direction; 2186 size_t size; 2187 { 2188 if (size > MAX_ISADMA) 2189 size = MAX_ISADMA; 2190 return (size); 2191 } 2192 2193 int 2194 ess_mappage(addr, mem, off, prot) 2195 void *addr; 2196 void *mem; 2197 int off; 2198 int prot; 2199 { 2200 return (isa_mappage(mem, off, prot)); 2201 } 2202 2203 int 2204 ess_1788_get_props(addr) 2205 void *addr; 2206 { 2207 2208 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT); 2209 } 2210 2211 int 2212 ess_1888_get_props(addr) 2213 void *addr; 2214 { 2215 2216 return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX); 2217 } 2218 2219 /* ============================================ 2220 * Generic functions for ess, not used by audio h/w i/f 2221 * ============================================= 2222 */ 2223 2224 /* 2225 * Reset the chip. 2226 * Return non-zero if the chip isn't detected. 2227 */ 2228 int 2229 ess_reset(sc) 2230 struct ess_softc *sc; 2231 { 2232 bus_space_tag_t iot = sc->sc_iot; 2233 bus_space_handle_t ioh = sc->sc_ioh; 2234 2235 sc->sc_audio1.active = 0; 2236 sc->sc_audio2.active = 0; 2237 2238 EWRITE1(iot, ioh, ESS_DSP_RESET, ESS_RESET_EXT); 2239 delay(10000); /* XXX shouldn't delay so long */ 2240 EWRITE1(iot, ioh, ESS_DSP_RESET, 0); 2241 if (ess_rdsp(sc) != ESS_MAGIC) 2242 return (1); 2243 2244 /* Enable access to the ESS extension commands. */ 2245 ess_wdsp(sc, ESS_ACMD_ENABLE_EXT); 2246 2247 return (0); 2248 } 2249 2250 void 2251 ess_set_gain(sc, port, on) 2252 struct ess_softc *sc; 2253 int port; 2254 int on; 2255 { 2256 int gain, left, right; 2257 int mix; 2258 int src; 2259 int stereo; 2260 2261 /* 2262 * Most gain controls are found in the mixer registers and 2263 * are stereo. Any that are not, must set mix and stereo as 2264 * required. 2265 */ 2266 mix = 1; 2267 stereo = 1; 2268 2269 switch (port) { 2270 case ESS_MASTER_VOL: 2271 src = ESS_MREG_VOLUME_MASTER; 2272 break; 2273 case ESS_DAC_PLAY_VOL: 2274 if (ESS_USE_AUDIO1(sc->sc_model)) 2275 src = ESS_MREG_VOLUME_VOICE; 2276 else 2277 src = 0x7C; 2278 break; 2279 case ESS_MIC_PLAY_VOL: 2280 src = ESS_MREG_VOLUME_MIC; 2281 break; 2282 case ESS_LINE_PLAY_VOL: 2283 src = ESS_MREG_VOLUME_LINE; 2284 break; 2285 case ESS_SYNTH_PLAY_VOL: 2286 src = ESS_MREG_VOLUME_SYNTH; 2287 break; 2288 case ESS_CD_PLAY_VOL: 2289 src = ESS_MREG_VOLUME_CD; 2290 break; 2291 case ESS_AUXB_PLAY_VOL: 2292 src = ESS_MREG_VOLUME_AUXB; 2293 break; 2294 case ESS_PCSPEAKER_VOL: 2295 src = ESS_MREG_VOLUME_PCSPKR; 2296 stereo = 0; 2297 break; 2298 case ESS_DAC_REC_VOL: 2299 src = 0x69; 2300 break; 2301 case ESS_MIC_REC_VOL: 2302 src = 0x68; 2303 break; 2304 case ESS_LINE_REC_VOL: 2305 src = 0x6E; 2306 break; 2307 case ESS_SYNTH_REC_VOL: 2308 src = 0x6B; 2309 break; 2310 case ESS_CD_REC_VOL: 2311 src = 0x6A; 2312 break; 2313 case ESS_AUXB_REC_VOL: 2314 src = 0x6C; 2315 break; 2316 case ESS_RECORD_VOL: 2317 src = ESS_XCMD_VOLIN_CTRL; 2318 mix = 0; 2319 break; 2320 default: 2321 return; 2322 } 2323 2324 /* 1788 doesn't have a separate recording mixer */ 2325 if (ESS_USE_AUDIO1(sc->sc_model) && mix && src > 0x62) 2326 return; 2327 2328 if (on) { 2329 left = sc->gain[port][ESS_LEFT]; 2330 right = sc->gain[port][ESS_RIGHT]; 2331 } else { 2332 left = right = 0; 2333 } 2334 2335 if (stereo) 2336 gain = ESS_STEREO_GAIN(left, right); 2337 else 2338 gain = ESS_MONO_GAIN(left); 2339 2340 if (mix) 2341 ess_write_mix_reg(sc, src, gain); 2342 else 2343 ess_write_x_reg(sc, src, gain); 2344 } 2345 2346 /* Set the input device on devices without an input mixer. */ 2347 int 2348 ess_set_in_port(sc, ord) 2349 struct ess_softc *sc; 2350 int ord; 2351 { 2352 mixer_devinfo_t di; 2353 int i; 2354 2355 DPRINTF(("ess_set_in_port: ord=0x%x\n", ord)); 2356 2357 /* 2358 * Get the device info for the record source control, 2359 * including the list of available sources. 2360 */ 2361 di.index = ESS_RECORD_SOURCE; 2362 if (ess_query_devinfo(sc, &di)) 2363 return EINVAL; 2364 2365 /* See if the given ord value was anywhere in the list. */ 2366 for (i = 0; i < di.un.e.num_mem; i++) { 2367 if (ord == di.un.e.member[i].ord) 2368 break; 2369 } 2370 if (i == di.un.e.num_mem) 2371 return EINVAL; 2372 2373 ess_write_mix_reg(sc, ESS_MREG_ADC_SOURCE, ord); 2374 2375 sc->in_port = ord; 2376 return (0); 2377 } 2378 2379 /* Set the input device levels on input-mixer-enabled devices. */ 2380 int 2381 ess_set_in_ports(sc, mask) 2382 struct ess_softc *sc; 2383 int mask; 2384 { 2385 mixer_devinfo_t di; 2386 int i, port; 2387 2388 DPRINTF(("ess_set_in_ports: mask=0x%x\n", mask)); 2389 2390 /* 2391 * Get the device info for the record source control, 2392 * including the list of available sources. 2393 */ 2394 di.index = ESS_RECORD_SOURCE; 2395 if (ess_query_devinfo(sc, &di)) 2396 return EINVAL; 2397 2398 /* 2399 * Set or disable the record volume control for each of the 2400 * possible sources. 2401 */ 2402 for (i = 0; i < di.un.s.num_mem; i++) { 2403 /* 2404 * Calculate the source port number from its mask. 2405 */ 2406 port = ffs(di.un.s.member[i].mask); 2407 2408 /* 2409 * Set the source gain: 2410 * to the current value if source is enabled 2411 * to zero if source is disabled 2412 */ 2413 ess_set_gain(sc, port, mask & di.un.s.member[i].mask); 2414 } 2415 2416 sc->in_mask = mask; 2417 return (0); 2418 } 2419 2420 void 2421 ess_speaker_on(sc) 2422 struct ess_softc *sc; 2423 { 2424 /* Unmute the DAC. */ 2425 ess_set_gain(sc, ESS_DAC_PLAY_VOL, 1); 2426 } 2427 2428 void 2429 ess_speaker_off(sc) 2430 struct ess_softc *sc; 2431 { 2432 /* Mute the DAC. */ 2433 ess_set_gain(sc, ESS_DAC_PLAY_VOL, 0); 2434 } 2435 2436 /* 2437 * Calculate the time constant for the requested sampling rate. 2438 */ 2439 u_int 2440 ess_srtotc(rate) 2441 u_int rate; 2442 { 2443 u_int tc; 2444 2445 /* The following formulae are from the ESS data sheet. */ 2446 if (rate <= 22050) 2447 tc = 128 - 397700L / rate; 2448 else 2449 tc = 256 - 795500L / rate; 2450 2451 return (tc); 2452 } 2453 2454 2455 /* 2456 * Calculate the filter constant for the reuqested sampling rate. 2457 */ 2458 u_int 2459 ess_srtofc(rate) 2460 u_int rate; 2461 { 2462 /* 2463 * The following formula is derived from the information in 2464 * the ES1887 data sheet, based on a roll-off frequency of 2465 * 87%. 2466 */ 2467 return (256 - 200279L / rate); 2468 } 2469 2470 2471 /* 2472 * Return the status of the DSP. 2473 */ 2474 u_char 2475 ess_get_dsp_status(sc) 2476 struct ess_softc *sc; 2477 { 2478 return (EREAD1(sc->sc_iot, sc->sc_ioh, ESS_DSP_RW_STATUS)); 2479 } 2480 2481 2482 /* 2483 * Return the read status of the DSP: 1 -> DSP ready for reading 2484 * 0 -> DSP not ready for reading 2485 */ 2486 u_char 2487 ess_dsp_read_ready(sc) 2488 struct ess_softc *sc; 2489 { 2490 return ((ess_get_dsp_status(sc) & ESS_DSP_READ_READY) ? 1 : 0); 2491 } 2492 2493 2494 /* 2495 * Return the write status of the DSP: 1 -> DSP ready for writing 2496 * 0 -> DSP not ready for writing 2497 */ 2498 u_char 2499 ess_dsp_write_ready(sc) 2500 struct ess_softc *sc; 2501 { 2502 return ((ess_get_dsp_status(sc) & ESS_DSP_WRITE_BUSY) ? 0 : 1); 2503 } 2504 2505 2506 /* 2507 * Read a byte from the DSP. 2508 */ 2509 int 2510 ess_rdsp(sc) 2511 struct ess_softc *sc; 2512 { 2513 bus_space_tag_t iot = sc->sc_iot; 2514 bus_space_handle_t ioh = sc->sc_ioh; 2515 int i; 2516 2517 for (i = ESS_READ_TIMEOUT; i > 0; --i) { 2518 if (ess_dsp_read_ready(sc)) { 2519 i = EREAD1(iot, ioh, ESS_DSP_READ); 2520 DPRINTFN(8,("ess_rdsp() = 0x%02x\n", i)); 2521 return i; 2522 } else 2523 delay(10); 2524 } 2525 2526 DPRINTF(("ess_rdsp: timed out\n")); 2527 return (-1); 2528 } 2529 2530 /* 2531 * Write a byte to the DSP. 2532 */ 2533 int 2534 ess_wdsp(sc, v) 2535 struct ess_softc *sc; 2536 u_char v; 2537 { 2538 bus_space_tag_t iot = sc->sc_iot; 2539 bus_space_handle_t ioh = sc->sc_ioh; 2540 int i; 2541 2542 DPRINTFN(8,("ess_wdsp(0x%02x)\n", v)); 2543 2544 for (i = ESS_WRITE_TIMEOUT; i > 0; --i) { 2545 if (ess_dsp_write_ready(sc)) { 2546 EWRITE1(iot, ioh, ESS_DSP_WRITE, v); 2547 return (0); 2548 } else 2549 delay(10); 2550 } 2551 2552 DPRINTF(("ess_wdsp(0x%02x): timed out\n", v)); 2553 return (-1); 2554 } 2555 2556 /* 2557 * Write a value to one of the ESS extended registers. 2558 */ 2559 int 2560 ess_write_x_reg(sc, reg, val) 2561 struct ess_softc *sc; 2562 u_char reg; 2563 u_char val; 2564 { 2565 int error; 2566 2567 DPRINTFN(2,("ess_write_x_reg: %02x=%02x\n", reg, val)); 2568 if ((error = ess_wdsp(sc, reg)) == 0) 2569 error = ess_wdsp(sc, val); 2570 2571 return error; 2572 } 2573 2574 /* 2575 * Read the value of one of the ESS extended registers. 2576 */ 2577 u_char 2578 ess_read_x_reg(sc, reg) 2579 struct ess_softc *sc; 2580 u_char reg; 2581 { 2582 int error; 2583 int val; 2584 2585 if ((error = ess_wdsp(sc, 0xC0)) == 0) 2586 error = ess_wdsp(sc, reg); 2587 if (error) 2588 DPRINTF(("Error reading extended register 0x%02x\n", reg)); 2589 /* REVISIT: what if an error is returned above? */ 2590 val = ess_rdsp(sc); 2591 DPRINTFN(2,("ess_read_x_reg: %02x=%02x\n", reg, val)); 2592 return val; 2593 } 2594 2595 void 2596 ess_clear_xreg_bits(sc, reg, mask) 2597 struct ess_softc *sc; 2598 u_char reg; 2599 u_char mask; 2600 { 2601 if (ess_write_x_reg(sc, reg, ess_read_x_reg(sc, reg) & ~mask) == -1) 2602 DPRINTF(("Error clearing bits in extended register 0x%02x\n", 2603 reg)); 2604 } 2605 2606 void 2607 ess_set_xreg_bits(sc, reg, mask) 2608 struct ess_softc *sc; 2609 u_char reg; 2610 u_char mask; 2611 { 2612 if (ess_write_x_reg(sc, reg, ess_read_x_reg(sc, reg) | mask) == -1) 2613 DPRINTF(("Error setting bits in extended register 0x%02x\n", 2614 reg)); 2615 } 2616 2617 2618 /* 2619 * Write a value to one of the ESS mixer registers. 2620 */ 2621 void 2622 ess_write_mix_reg(sc, reg, val) 2623 struct ess_softc *sc; 2624 u_char reg; 2625 u_char val; 2626 { 2627 bus_space_tag_t iot = sc->sc_iot; 2628 bus_space_handle_t ioh = sc->sc_ioh; 2629 int s; 2630 2631 DPRINTFN(2,("ess_write_mix_reg: %x=%x\n", reg, val)); 2632 2633 s = splaudio(); 2634 EWRITE1(iot, ioh, ESS_MIX_REG_SELECT, reg); 2635 EWRITE1(iot, ioh, ESS_MIX_REG_DATA, val); 2636 splx(s); 2637 } 2638 2639 /* 2640 * Read the value of one of the ESS mixer registers. 2641 */ 2642 u_char 2643 ess_read_mix_reg(sc, reg) 2644 struct ess_softc *sc; 2645 u_char reg; 2646 { 2647 bus_space_tag_t iot = sc->sc_iot; 2648 bus_space_handle_t ioh = sc->sc_ioh; 2649 int s; 2650 u_char val; 2651 2652 s = splaudio(); 2653 EWRITE1(iot, ioh, ESS_MIX_REG_SELECT, reg); 2654 val = EREAD1(iot, ioh, ESS_MIX_REG_DATA); 2655 splx(s); 2656 2657 DPRINTFN(2,("ess_read_mix_reg: %x=%x\n", reg, val)); 2658 return val; 2659 } 2660 2661 void 2662 ess_clear_mreg_bits(sc, reg, mask) 2663 struct ess_softc *sc; 2664 u_char reg; 2665 u_char mask; 2666 { 2667 ess_write_mix_reg(sc, reg, ess_read_mix_reg(sc, reg) & ~mask); 2668 } 2669 2670 void 2671 ess_set_mreg_bits(sc, reg, mask) 2672 struct ess_softc *sc; 2673 u_char reg; 2674 u_char mask; 2675 { 2676 ess_write_mix_reg(sc, reg, ess_read_mix_reg(sc, reg) | mask); 2677 } 2678 2679 void 2680 ess_read_multi_mix_reg(sc, reg, datap, count) 2681 struct ess_softc *sc; 2682 u_char reg; 2683 u_int8_t *datap; 2684 bus_size_t count; 2685 { 2686 bus_space_tag_t iot = sc->sc_iot; 2687 bus_space_handle_t ioh = sc->sc_ioh; 2688 int s; 2689 2690 s = splaudio(); 2691 EWRITE1(iot, ioh, ESS_MIX_REG_SELECT, reg); 2692 bus_space_read_multi_1(iot, ioh, ESS_MIX_REG_DATA, datap, count); 2693 splx(s); 2694 } 2695
Indexes created Mon Sep 22 13:09:51 GMT 2025