interwave.c revision 1.35 1 /* $NetBSD: interwave.c,v 1.35 2011/11/23 23:07:32 jmcneill Exp $ */
2
3 /*
4 * Copyright (c) 1997, 1999, 2008 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Author: Kari Mettinen
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include <sys/cdefs.h>
32 __KERNEL_RCSID(0, "$NetBSD: interwave.c,v 1.35 2011/11/23 23:07:32 jmcneill Exp $");
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/errno.h>
37 #include <sys/ioctl.h>
38 #include <sys/syslog.h>
39 #include <sys/device.h>
40 #include <sys/proc.h>
41 #include <sys/buf.h>
42 #include <sys/fcntl.h>
43 #include <sys/malloc.h>
44 #include <sys/kernel.h>
45 #include <sys/cpu.h>
46 #include <sys/intr.h>
47 #include <sys/audioio.h>
48
49 #include <machine/pio.h>
50
51 #include <dev/audio_if.h>
52 #include <dev/mulaw.h>
53
54 #include <dev/isa/isavar.h>
55 #include <dev/isa/isadmavar.h>
56
57 #include <dev/ic/interwavereg.h>
58 #include <dev/ic/interwavevar.h>
59
60
61 static void iwreset(struct iw_softc *, int);
62
63 static int iw_set_speed(struct iw_softc *, u_long, char);
64 static u_long iw_set_format(struct iw_softc *, u_long, int);
65 static void iw_mixer_line_level(struct iw_softc *, int, int, int);
66 static void iw_trigger_dma(struct iw_softc *, u_char);
67 static void iw_stop_dma(struct iw_softc *, u_char, u_char);
68 static void iw_dma_count(struct iw_softc *, u_short, int);
69 static int iwintr(void *);
70 static void iw_meminit(struct iw_softc *);
71 static void iw_mempoke(struct iw_softc *, u_long, u_char);
72 static u_char iw_mempeek(struct iw_softc *, u_long);
73
74 #ifdef USE_WAVETABLE
75 static void iw_set_voice_place(struct iw_softc *, u_char, u_long);
76 static void iw_voice_pan(struct iw_softc *, u_char, u_short, u_short);
77 static void iw_voice_freq(struct iw_softc *, u_char, u_long);
78 static void iw_set_loopmode(struct iw_softc *, u_char, u_char, u_char);
79 static void iw_set_voice_pos(struct iw_softc *, u_short, u_long, u_long);
80 static void iw_start_voice(struct iw_softc *, u_char);
81 static void iw_play_voice(struct iw_softc *, u_long, u_long, u_short);
82 static void iw_stop_voice(struct iw_softc *, u_char);
83 static void iw_move_voice_end(struct iw_softc *, u_short, u_long);
84 static void iw_initvoices(struct iw_softc *);
85 #endif
86
87 struct audio_device iw_device = {
88 "Am78C201",
89 "0.1",
90 "guspnp"
91 };
92
93 #ifdef AUDIO_DEBUG
94 int iw_debug;
95 #define DPRINTF(p) if (iw_debug) printf p
96 #else
97 #define DPRINTF(p)
98 #endif
99
100 static int iw_cc = 1;
101 #ifdef DIAGNOSTIC
102 static int outputs = 0;
103 static int iw_ints = 0;
104 static int inputs = 0;
105 static int iw_inints = 0;
106 #endif
107
108 int
109 iwintr(void *arg)
110 {
111 struct iw_softc *sc;
112 int val;
113 u_char intrs;
114
115 sc = arg;
116 val = 0;
117 intrs = 0;
118
119 mutex_spin_enter(&sc->sc_intr_lock);
120
121 IW_READ_DIRECT_1(6, sc->p2xr_h, intrs); /* UISR */
122
123 /* codec ints */
124
125 /*
126 * The proper order to do this seems to be to read CSR3 to get the
127 * int cause and fifo over underrrun status, then deal with the ints
128 * (new DMA set up), and to clear ints by writing the respective bit
129 * to 0.
130 */
131
132 /* read what ints happened */
133
134 IW_READ_CODEC_1(CSR3I, intrs);
135
136 /* clear them */
137
138 IW_WRITE_DIRECT_1(2, sc->codec_index_h, 0x00);
139
140 /* and process them */
141
142 if (intrs & 0x20) {
143 #ifdef DIAGNOSTIC
144 iw_inints++;
145 #endif
146 if (sc->sc_recintr != 0)
147 sc->sc_recintr(sc->sc_recarg);
148 val = 1;
149 }
150 if (intrs & 0x10) {
151 #ifdef DIAGNOSTIC
152 iw_ints++;
153 #endif
154 if (sc->sc_playintr != 0)
155 sc->sc_playintr(sc->sc_playarg);
156 val = 1;
157 }
158
159 mutex_spin_exit(&sc->sc_intr_lock);
160
161 return val;
162 }
163
164 void
165 iwattach(struct iw_softc *sc)
166 {
167 int got_irq;
168
169 DPRINTF(("iwattach sc %p\n", sc));
170 got_irq = 0;
171
172 sc->cdatap = 1; /* relative offsets in region */
173 sc->csr1r = 2;
174 sc->cxdr = 3; /* CPDR or CRDR */
175
176 sc->gmxr = 0; /* sc->p3xr */
177 sc->gmxdr = 1; /* GMTDR or GMRDR */
178 sc->svsr = 2;
179 sc->igidxr = 3;
180 sc->i16dp = 4;
181 sc->i8dp = 5;
182 sc->lmbdr = 7;
183
184 sc->rec_precision = sc->play_precision = 8;
185 sc->rec_channels = sc->play_channels = 1;
186 sc->rec_encoding = sc->play_encoding = AUDIO_ENCODING_ULAW;
187 sc->sc_irate = 8000;
188 sc->sc_orate = 8000;
189
190 sc->sc_fullduplex = 1;
191
192 sc->sc_dma_flags = 0;
193
194 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
195 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_SCHED);
196
197 /*
198 * We can only use a few selected irqs, see if we got one from pnp
199 * code that suits us.
200 */
201
202 if (sc->sc_irq > 0) {
203 sc->sc_ih = isa_intr_establish(sc->sc_p2xr_ic,
204 sc->sc_irq, IST_EDGE, IPL_SCHED, iwintr, sc);
205 got_irq = 1;
206 }
207 if (!got_irq) {
208 printf("\niwattach: couldn't get a suitable irq\n");
209 mutex_destroy(&sc->sc_lock);
210 mutex_destroy(&sc->sc_intr_lock);
211 return;
212 }
213 printf("\n");
214 iwreset(sc, 0);
215 iw_set_format(sc, AUDIO_ENCODING_ULAW, 0);
216 iw_set_format(sc, AUDIO_ENCODING_ULAW, 1);
217 printf("%s: interwave version %s\n",
218 device_xname(&sc->sc_dev), iw_device.version);
219 audio_attach_mi(sc->iw_hw_if, sc, &sc->sc_dev);
220 }
221
222 int
223 iwopen(struct iw_softc *sc, int flags)
224 {
225
226 DPRINTF(("iwopen: sc %p\n", sc));
227
228 #ifdef DIAGNOSTIC
229 outputs = 0;
230 iw_ints = 0;
231 inputs = 0;
232 iw_inints = 0;
233 #endif
234
235 iwreset(sc, 1);
236
237 return 0;
238 }
239
240 void
241 iwclose(void *addr)
242 {
243
244 DPRINTF(("iwclose sc %p\n", addr));
245 #ifdef DIAGNOSTIC
246 DPRINTF(("iwclose: outputs %d ints %d inputs %d in_ints %d\n",
247 outputs, iw_ints, inputs, iw_inints));
248 #endif
249 }
250
251 #define RAM_STEP 64*1024
252
253 static void
254 iw_mempoke(struct iw_softc *sc, u_long addy, u_char val)
255 {
256
257 IW_WRITE_GENERAL_2(LMALI, (u_short) addy);
258 IW_WRITE_GENERAL_1(LMAHI, (u_char) (addy >> 16));
259
260 /* Write byte to LMBDR */
261 IW_WRITE_DIRECT_1(sc->p3xr + 7, sc->p3xr_h, val);
262 }
263
264 static u_char
265 iw_mempeek(struct iw_softc *sc, u_long addy)
266 {
267 u_char ret;
268
269 IW_WRITE_GENERAL_2(LMALI, (u_short) addy);
270 IW_WRITE_GENERAL_1(LMAHI, (u_char) (addy >> 16));
271
272 IW_READ_DIRECT_1(sc->p3xr + 7, sc->p3xr_h, ret);
273 return ret; /* return byte from LMBDR */
274 }
275
276 static void
277 iw_meminit(struct iw_softc *sc)
278 {
279 u_long bank[4] = {0L, 0L, 0L, 0L};
280 u_long addr, base, cnt;
281 u_char i, ram /* ,memval=0 */ ;
282 u_short lmcfi;
283 u_long temppi;
284 u_long *lpbanks;
285
286 addr = 0L;
287 base = 0L;
288 cnt = 0L;
289 ram = 0;
290 lpbanks = &temppi;
291
292 IW_WRITE_GENERAL_1(LDMACI, 0x00);
293
294 IW_READ_GENERAL_2(LMCFI, lmcfi); /* 0x52 */
295 lmcfi |= 0x0A0C;
296 IW_WRITE_GENERAL_2(LMCFI, lmcfi); /* max addr span */
297 IW_WRITE_GENERAL_1(LMCI, 0x00);
298
299 /* fifo addresses */
300
301 IW_WRITE_GENERAL_2(LMRFAI, ((4 * 1024 * 1024) >> 8));
302 IW_WRITE_GENERAL_2(LMPFAI, ((4 * 1024 * 1024 + 16 * 1024) >> 8));
303
304 IW_WRITE_GENERAL_2(LMFSI, 0x000);
305
306 IW_WRITE_GENERAL_2(LDICI, 0x0000);
307
308 while (addr < (16 * 1024 * 1024)) {
309 iw_mempoke(sc, addr, 0x00);
310 addr += RAM_STEP;
311 }
312
313 printf("%s:", device_xname(&sc->sc_dev));
314
315 for (i = 0; i < 4; i++) {
316 iw_mempoke(sc, base, 0xAA); /* mark start of bank */
317 iw_mempoke(sc, base + 1L, 0x55);
318 if (iw_mempeek(sc, base) == 0xAA &&
319 iw_mempeek(sc, base + 1L) == 0x55)
320 ram = 1;
321 if (ram) {
322 while (cnt < (4 * 1024 * 1024)) {
323 bank[i] += RAM_STEP;
324 cnt += RAM_STEP;
325 addr = base + cnt;
326 if (iw_mempeek(sc, addr) == 0xAA)
327 break;
328 }
329 }
330 if (lpbanks != NULL) {
331 *lpbanks = bank[i];
332 lpbanks++;
333 }
334 bank[i] = bank[i] >> 10;
335 printf("%s bank[%d]: %ldK", i ? "," : "", i, bank[i]);
336 base += 4 * 1024 * 1024;
337 cnt = 0L;
338 ram = 0;
339 }
340
341 printf("\n");
342
343 /*
344 * this is not really useful since GUS PnP supports memory
345 * configurations that aren't really supported by Interwave...beware
346 * of holes! Also, we don't use the memory for anything in this
347 * version of the driver.
348 *
349 * we've configured for 4M-4M-4M-4M
350 */
351 }
352
353 static void
354 iwreset(struct iw_softc *sc, int warm)
355 {
356 u_char reg, cmode, val, mixer_image;
357
358 val = 0;
359 mixer_image = 0;
360 reg = 0; /* XXX gcc -Wall */
361
362 cmode = 0x6c; /* enhanced codec mode (full duplex) */
363
364 /* reset */
365
366 IW_WRITE_GENERAL_1(URSTI, 0x00);
367 delay(10);
368 IW_WRITE_GENERAL_1(URSTI, 0x07);
369 IW_WRITE_GENERAL_1(ICMPTI, 0x1f); /* disable DSP and uici and
370 * udci writes */
371 IW_WRITE_GENERAL_1(IDECI, 0x7f); /* enable ints to ISA and
372 * codec access */
373 IW_READ_GENERAL_1(IVERI, reg);
374 IW_WRITE_GENERAL_1(IVERI, reg | 0x01); /* hidden reg lock disable */
375 IW_WRITE_GENERAL_1(UASBCI, 0x00);
376
377 /* synth enhanced mode (default), 0 active voices, disable ints */
378
379 IW_WRITE_GENERAL_1(SGMI_WR, 0x01); /* enhanced mode, LFOs
380 * disabled */
381 for (val = 0; val < 32; val++) {
382 /* set each synth sound volume to 0 */
383 IW_WRITE_DIRECT_1(sc->p3xr + 2, sc->p3xr_h, val);
384 IW_WRITE_GENERAL_1(SVSI_WR, 0x00);
385 IW_WRITE_GENERAL_2(SASLI_WR, 0x0000);
386 IW_WRITE_GENERAL_2(SASHI_WR, 0x0000);
387 IW_WRITE_GENERAL_2(SAELI_WR, 0x0000);
388 IW_WRITE_GENERAL_2(SAEHI_WR, 0x0000);
389 IW_WRITE_GENERAL_2(SFCI_WR, 0x0000);
390 IW_WRITE_GENERAL_1(SACI_WR, 0x02);
391 IW_WRITE_GENERAL_1(SVSI_WR, 0x00);
392 IW_WRITE_GENERAL_1(SVEI_WR, 0x00);
393 IW_WRITE_GENERAL_2(SVLI_WR, 0x0000);
394 IW_WRITE_GENERAL_1(SVCI_WR, 0x02);
395 IW_WRITE_GENERAL_1(SMSI_WR, 0x02);
396 }
397
398 IW_WRITE_GENERAL_1(SAVI_WR, 0x00);
399
400 /* codec mode/init */
401
402 /* first change mode to 1 */
403
404 IW_WRITE_CODEC_1(CMODEI, 0x00);
405
406 /* and mode 3 */
407
408 IW_WRITE_CODEC_1(CMODEI, cmode);
409
410 IW_READ_CODEC_1(CMODEI, reg);
411
412 DPRINTF(("cmode %x\n", reg));
413
414 sc->revision = ((reg & 0x80) >> 3) | (reg & 0x0f);
415
416 IW_WRITE_DIRECT_1(sc->codec_index + 2, sc->p2xr_h, 0x00);
417
418 IW_WRITE_CODEC_1(CFIG1I | IW_MCE, 0x00); /* DMA 2 chan access */
419 IW_WRITE_CODEC_1(CEXTI, 0x00); /* disable ints for now */
420
421
422 IW_WRITE_CODEC_1(CLPCTI, 0x00); /* reset playback sample counters */
423 IW_WRITE_CODEC_1(CUPCTI, 0x00); /* always upper byte last */
424 IW_WRITE_CODEC_1(CFIG2I, 0x80); /* full voltage range, enable record
425 * and playback sample counters, and
426 * don't center output in case or
427 * FIFO underrun */
428 IW_WRITE_CODEC_1(CFIG3I, 0xc0); /* enable record/playback irq (still
429 * turned off from CEXTI), max DMA
430 * rate */
431 IW_WRITE_CODEC_1(CSR3I, 0x00); /* clear status 3 reg */
432
433
434 IW_WRITE_CODEC_1(CLRCTI, 0x00); /* reset record sample counters */
435 IW_WRITE_CODEC_1(CURCTI, 0x00); /* always upper byte last */
436
437
438 IW_READ_GENERAL_1(IVERI, reg);
439
440 sc->vers = reg >> 4;
441 if (!warm)
442 snprintf(iw_device.version, sizeof(iw_device.version), "%d.%d",
443 sc->vers, sc->revision);
444
445 IW_WRITE_GENERAL_1(IDECI, 0x7f); /* irqs and codec decode
446 * enable */
447
448
449 /* ports */
450
451 if (!warm) {
452 iw_mixer_line_level(sc, IW_LINE_OUT, 255, 255);
453 iw_mixer_line_level(sc, IW_LINE_IN, 0, 0);
454 iw_mixer_line_level(sc, IW_AUX1, 0, 0);
455 iw_mixer_line_level(sc, IW_AUX2, 200, 200); /* CD */
456 sc->sc_dac.off = 0;
457 iw_mixer_line_level(sc, IW_DAC, 200, 200);
458
459 iw_mixer_line_level(sc, IW_MIC_IN, 0, 0);
460 iw_mixer_line_level(sc, IW_REC, 0, 0);
461 iw_mixer_line_level(sc, IW_LOOPBACK, 0, 0);
462 iw_mixer_line_level(sc, IW_MONO_IN, 0, 0);
463
464 /* mem stuff */
465 iw_meminit(sc);
466
467 }
468 IW_WRITE_CODEC_1(CEXTI, 0x02); /* codec int enable */
469
470 /* clear _LDMACI */
471
472 IW_WRITE_GENERAL_1(LDMACI, 0x00);
473
474 /* enable mixer paths */
475 mixer_image = 0x0c;
476 IW_WRITE_DIRECT_1(sc->p2xr, sc->p2xr_h, mixer_image);
477 /*
478 * enable output, line in. disable mic in bit 0 = 0 -> line in on
479 * (from codec?) bit 1 = 0 -> output on bit 2 = 1 -> mic in on bit 3
480 * = 1 -> irq&drq pin enable bit 4 = 1 -> channel interrupts to chan
481 * 1 bit 5 = 1 -> enable midi loop back bit 6 = 0 -> irq latches
482 * URCR[2:0] bit 6 = 1 -> DMA latches URCR[2:0]
483 */
484
485
486 IW_READ_DIRECT_1(sc->p2xr, sc->p2xr_h, mixer_image);
487 #ifdef AUDIO_DEBUG
488 if (!warm)
489 DPRINTF(("mix image %x \n", mixer_image));
490 #endif
491 }
492
493 struct iw_codec_freq {
494 u_long freq;
495 u_char bits;
496 };
497
498 int
499 iw_set_speed(struct iw_softc *sc, u_long freq, char in)
500 {
501 u_char var, cfig3, reg;
502
503 static struct iw_codec_freq iw_cf[17] = {
504 #define FREQ_1 24576000
505 #define FREQ_2 16934400
506 #define XTAL1 0
507 #define XTAL2 1
508 {5510, 0x00 | XTAL2}, {6620, 0x0E | XTAL2},
509 {8000, 0x00 | XTAL1}, {9600, 0x0E | XTAL1},
510 {11025, 0x02 | XTAL2}, {16000, 0x02 | XTAL1},
511 {18900, 0x04 | XTAL2}, {22050, 0x06 | XTAL2},
512 {27420, 0x04 | XTAL1}, {32000, 0x06 | XTAL1},
513 {33075, 0x0C | XTAL2}, {37800, 0x08 | XTAL2},
514 {38400, 0x0A | XTAL1}, {44100, 0x0A | XTAL2},
515 {44800, 0x08 | XTAL1}, {48000, 0x0C | XTAL1},
516 {48000, 0x0C | XTAL1} /* really a dummy for indexing later */
517 #undef XTAL1
518 #undef XTAL2
519 };
520
521 cfig3 = 0; /* XXX gcc -Wall */
522
523 /*
524 * if the frequency is between 3493 Hz and 32 kHz we can use a more
525 * accurate frequency than the ones listed above base on the formula
526 * FREQ/((16*(48+x))) where FREQ is either FREQ_1 (24576000Hz) or
527 * FREQ_2 (16934400Hz) and x is the value to be written to either
528 * CPVFI or CRVFI. To enable this option, bit 2 in CFIG3 needs to be
529 * set high
530 *
531 * NOT IMPLEMENTED!
532 *
533 * Note that if you have a 'bad' XTAL_1 (higher than 18.5 MHz), 44.8 kHz
534 * and 38.4 kHz modes will provide wrong frequencies to output.
535 */
536
537
538 if (freq > 48000)
539 freq = 48000;
540 if (freq < 5510)
541 freq = 5510;
542
543 /* reset CFIG3[2] */
544
545 IW_READ_CODEC_1(CFIG3I, cfig3);
546
547 cfig3 |= 0xc0; /* not full fifo treshhold */
548
549 DPRINTF(("cfig3i = %x -> ", cfig3));
550
551 cfig3 &= ~0x04;
552 IW_WRITE_CODEC_1(CFIG3I, cfig3);
553 IW_READ_CODEC_1(CFIG3I, cfig3);
554
555 DPRINTF(("%x\n", cfig3));
556
557 for (var = 0; var < 16; var++) /* select closest frequency */
558 if (freq <= iw_cf[var].freq)
559 break;
560 if (var != 16)
561 if (abs(freq - iw_cf[var].freq) > abs(iw_cf[var + 1].freq - freq))
562 var++;
563
564 if (in)
565 IW_WRITE_CODEC_1(CRDFI | IW_MCE, sc->recfmtbits | iw_cf[var].bits);
566 else
567 IW_WRITE_CODEC_1(CPDFI | IW_MCE, sc->playfmtbits | iw_cf[var].bits);
568 freq = iw_cf[var].freq;
569 DPRINTF(("setting %s frequency to %d bits %x \n",
570 in ? "in" : "out", (int) freq, iw_cf[var].bits));
571
572 IW_READ_CODEC_1(CPDFI, reg);
573
574 DPRINTF((" CPDFI %x ", reg));
575
576 IW_READ_CODEC_1(CRDFI, reg);
577
578 DPRINTF((" CRDFI %x ", reg));
579
580 return freq;
581 }
582
583 /* Encoding. */
584 int
585 iw_query_encoding(void *addr, audio_encoding_t *fp)
586 {
587 /*
588 * LINEAR, ALAW, ULAW, ADPCM in HW, we'll use linear unsigned
589 * hardware mode for all 8-bit modes due to buggy (?) codec.
590 */
591
592 /*
593 * except in wavetable synth. there we have only mu-law and 8 and 16
594 * bit linear data
595 */
596
597 switch (fp->index) {
598 case 0:
599 strcpy(fp->name, AudioEulinear);
600 fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
601 fp->precision = 8;
602 fp->flags = 0;
603 break;
604 case 1:
605 strcpy(fp->name, AudioEmulaw);
606 fp->encoding = AUDIO_ENCODING_ULAW;
607 fp->precision = 8;
608 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
609 break;
610 case 2:
611 strcpy(fp->name, AudioEalaw);
612 fp->encoding = AUDIO_ENCODING_ALAW;
613 fp->precision = 8;
614 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
615 break;
616 case 3:
617 strcpy(fp->name, AudioEadpcm);
618 fp->encoding = AUDIO_ENCODING_ADPCM;
619 fp->precision = 8; /* really 4 bit */
620 fp->flags = 0;
621 break;
622 case 4:
623 strcpy(fp->name, AudioEslinear_le);
624 fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
625 fp->precision = 16;
626 fp->flags = 0;
627 break;
628 case 5:
629 strcpy(fp->name, AudioEslinear_be);
630 fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
631 fp->precision = 16;
632 fp->flags = 0;
633 break;
634 default:
635 return EINVAL;
636 /* NOTREACHED */
637 }
638 return 0;
639 }
640
641 u_long
642 iw_set_format(struct iw_softc *sc, u_long precision, int in)
643 {
644 u_char data;
645 int encoding, channels;
646
647 encoding = in ? sc->rec_encoding : sc->play_encoding;
648 channels = in ? sc->rec_channels : sc->play_channels;
649
650 DPRINTF(("iw_set_format\n"));
651
652 switch (encoding) {
653 case AUDIO_ENCODING_ULAW:
654 data = 0x00;
655 break;
656
657 case AUDIO_ENCODING_ALAW:
658 data = 0x00;
659 break;
660
661 case AUDIO_ENCODING_SLINEAR_LE:
662 if (precision == 16)
663 data = 0x40; /* little endian. 0xc0 is big endian */
664 else
665 data = 0x00;
666 break;
667
668 case AUDIO_ENCODING_SLINEAR_BE:
669 if (precision == 16)
670 data = 0xc0;
671 else
672 data = 0x00;
673 break;
674
675 case AUDIO_ENCODING_ADPCM:
676 data = 0xa0;
677 break;
678
679 default:
680 return -1;
681 }
682
683 if (channels == 2)
684 data |= 0x10; /* stereo */
685
686 if (in) {
687 /* in */
688 sc->recfmtbits = data;
689 /* This will zero the normal codec frequency,
690 * iw_set_speed should always be called afterwards.
691 */
692 IW_WRITE_CODEC_1(CRDFI | IW_MCE, data);
693 } else {
694 /* out */
695 sc->playfmtbits = data;
696 IW_WRITE_CODEC_1(CPDFI | IW_MCE, data);
697 }
698
699 DPRINTF(("formatbits %s %x", in ? "in" : "out", data));
700
701 return encoding;
702 }
703
704 int
705 iw_set_params(void *addr, int setmode, int usemode, audio_params_t *p,
706 audio_params_t *q, stream_filter_list_t *pfil, stream_filter_list_t *rfil)
707 {
708 audio_params_t phw, rhw;
709 struct iw_softc *sc;
710 stream_filter_factory_t *swcode;
711
712 DPRINTF(("iw_setparams: code %u, prec %u, rate %u, chan %u\n",
713 p->encoding, p->precision, p->sample_rate, p->channels));
714 sc = addr;
715 swcode = NULL;
716 phw = *p;
717 rhw = *q;
718 switch (p->encoding) {
719 case AUDIO_ENCODING_ULAW:
720 if (p->precision != 8)
721 return EINVAL;
722 phw.encoding = AUDIO_ENCODING_ULINEAR_LE;
723 rhw.encoding = AUDIO_ENCODING_ULINEAR_LE;
724 swcode = setmode & AUMODE_PLAY ? mulaw_to_linear8 : linear8_to_mulaw;
725 break;
726 case AUDIO_ENCODING_ALAW:
727 if (p->precision != 8)
728 return EINVAL;
729 phw.encoding = AUDIO_ENCODING_ULINEAR_LE;
730 rhw.encoding = AUDIO_ENCODING_ULINEAR_LE;
731 swcode = setmode & AUMODE_PLAY ? alaw_to_linear8 : linear8_to_alaw;
732 break;
733 case AUDIO_ENCODING_ADPCM:
734 if (p->precision != 8)
735 return EINVAL;
736 else
737 break;
738
739 case AUDIO_ENCODING_SLINEAR_LE:
740 case AUDIO_ENCODING_SLINEAR_BE:
741 if (p->precision != 8 && p->precision != 16)
742 return EINVAL;
743 else
744 break;
745
746 default:
747 return EINVAL;
748
749 }
750
751 if (setmode & AUMODE_PLAY) {
752 sc->play_channels = p->channels;
753 sc->play_encoding = p->encoding;
754 sc->play_precision = p->precision;
755 iw_set_format(sc, p->precision, 0);
756 q->sample_rate = p->sample_rate = sc->sc_orate =
757 iw_set_speed(sc, p->sample_rate, 0);
758 if (swcode != NULL) {
759 phw.sample_rate = p->sample_rate;
760 pfil->append(pfil, swcode, &phw);
761 }
762 } else {
763 #if 0
764 q->channels = sc->rec_channels = p->channels;
765 q->encoding = sc->rec_encoding = p->encoding;
766 q->precision = sc->rec_precision = p->precision;
767 #endif
768 sc->rec_channels = q->channels;
769 sc->rec_encoding = q->encoding;
770 sc->rec_precision = q->precision;
771
772 iw_set_format(sc, p->precision, 1);
773 q->sample_rate = sc->sc_irate =
774 iw_set_speed(sc, q->sample_rate, 1);
775 if (swcode != NULL) {
776 rhw.sample_rate = q->sample_rate;
777 rfil->append(rfil, swcode, &rhw);
778 }
779 }
780 return 0;
781 }
782
783
784 int
785 iw_round_blocksize(void *addr, int blk, int mode,
786 const audio_params_t *param)
787 {
788
789 /* Round to a multiple of the biggest sample size. */
790 return blk &= -4;
791 }
792
793 void
794 iw_mixer_line_level(struct iw_softc *sc, int line, int levl, int levr)
795 {
796 u_char gainl, gainr, attenl, attenr;
797
798 switch (line) {
799 case IW_REC:
800 gainl = sc->sc_recsrcbits | (levl >> 4);
801 gainr = sc->sc_recsrcbits | (levr >> 4);
802 DPRINTF(("recording with %x", gainl));
803 IW_WRITE_CODEC_1(CLICI, gainl);
804 IW_WRITE_CODEC_1(CRICI, gainr);
805 sc->sc_rec.voll = levl & 0xf0;
806 sc->sc_rec.volr = levr & 0xf0;
807 break;
808
809 case IW_AUX1:
810
811 gainl = (255 - levl) >> 3;
812 gainr = (255 - levr) >> 3;
813
814 /* mute if 0 level */
815 if (levl == 0)
816 gainl |= 0x80;
817 if (levr == 0)
818 gainr |= 0x80;
819
820 IW_WRITE_CODEC_1(IW_LEFT_AUX1_PORT, gainl);
821 IW_WRITE_CODEC_1(IW_RIGHT_AUX1_PORT, gainr);
822 sc->sc_aux1.voll = levl & 0xf8;
823 sc->sc_aux1.volr = levr & 0xf8;
824
825 break;
826
827 case IW_AUX2:
828
829 gainl = (255 - levl) >> 3;
830 gainr = (255 - levr) >> 3;
831
832 /* mute if 0 level */
833 if (levl == 0)
834 gainl |= 0x80;
835 if (levr == 0)
836 gainr |= 0x80;
837
838 IW_WRITE_CODEC_1(IW_LEFT_AUX2_PORT, gainl);
839 IW_WRITE_CODEC_1(IW_RIGHT_AUX2_PORT, gainr);
840 sc->sc_aux2.voll = levl & 0xf8;
841 sc->sc_aux2.volr = levr & 0xf8;
842 break;
843 case IW_DAC:
844 attenl = ((255 - levl) >> 2) | ((levl && !sc->sc_dac.off) ? 0 : 0x80);
845 attenr = ((255 - levr) >> 2) | ((levr && !sc->sc_dac.off) ? 0 : 0x80);
846 IW_WRITE_CODEC_1(CLDACI, attenl);
847 IW_WRITE_CODEC_1(CRDACI, attenr);
848 sc->sc_dac.voll = levl & 0xfc;
849 sc->sc_dac.volr = levr & 0xfc;
850 break;
851 case IW_LOOPBACK:
852 attenl = ((255 - levl) & 0xfc) | (levl ? 0x01 : 0);
853 IW_WRITE_CODEC_1(CLCI, attenl);
854 sc->sc_loopback.voll = levl & 0xfc;
855 break;
856 case IW_LINE_IN:
857 gainl = (levl >> 3) | (levl ? 0 : 0x80);
858 gainr = (levr >> 3) | (levr ? 0 : 0x80);
859 IW_WRITE_CODEC_1(CLLICI, gainl);
860 IW_WRITE_CODEC_1(CRLICI, gainr);
861 sc->sc_linein.voll = levl & 0xf8;
862 sc->sc_linein.volr = levr & 0xf8;
863 break;
864 case IW_MIC_IN:
865 gainl = ((255 - levl) >> 3) | (levl ? 0 : 0x80);
866 gainr = ((255 - levr) >> 3) | (levr ? 0 : 0x80);
867 IW_WRITE_CODEC_1(CLMICI, gainl);
868 IW_WRITE_CODEC_1(CRMICI, gainr);
869 sc->sc_mic.voll = levl & 0xf8;
870 sc->sc_mic.volr = levr & 0xf8;
871 break;
872 case IW_LINE_OUT:
873 attenl = ((255 - levl) >> 3) | (levl ? 0 : 0x80);
874 attenr = ((255 - levr) >> 3) | (levr ? 0 : 0x80);
875 IW_WRITE_CODEC_1(CLOAI, attenl);
876 IW_WRITE_CODEC_1(CROAI, attenr);
877 sc->sc_lineout.voll = levl & 0xf8;
878 sc->sc_lineout.volr = levr & 0xf8;
879 break;
880 case IW_MONO_IN:
881 attenl = ((255 - levl) >> 4) | (levl ? 0 : 0xc0); /* in/out mute */
882 IW_WRITE_CODEC_1(CMONOI, attenl);
883 sc->sc_monoin.voll = levl & 0xf0;
884 break;
885 }
886 }
887
888 int
889 iw_commit_settings(void *addr)
890 {
891
892 return 0;
893 }
894
895 void
896 iw_trigger_dma(struct iw_softc *sc, u_char io)
897 {
898 u_char reg;
899
900 IW_READ_CODEC_1(CSR3I, reg);
901 IW_WRITE_CODEC_1(CSR3I, reg & ~(io == IW_DMA_PLAYBACK ? 0x10 : 0x20));
902
903 IW_READ_CODEC_1(CFIG1I, reg);
904
905 IW_WRITE_CODEC_1(CFIG1I, reg | io);
906
907 /* let the counter run */
908 IW_READ_CODEC_1(CFIG2I, reg);
909 IW_WRITE_CODEC_1(CFIG2I, reg & ~(io << 4));
910 }
911
912 void
913 iw_stop_dma(struct iw_softc *sc, u_char io, u_char hard)
914 {
915 u_char reg;
916
917 /* just stop the counter, no need to flush the fifo */
918 IW_READ_CODEC_1(CFIG2I, reg);
919 IW_WRITE_CODEC_1(CFIG2I, (reg | (io << 4)));
920
921 if (hard) {
922 /* unless we're closing the device */
923 IW_READ_CODEC_1(CFIG1I, reg);
924 IW_WRITE_CODEC_1(CFIG1I, reg & ~io);
925 }
926 }
927
928 void
929 iw_dma_count(struct iw_softc *sc, u_short count, int io)
930 {
931
932 if (io == IW_DMA_PLAYBACK) {
933 IW_WRITE_CODEC_1(CLPCTI, (u_char) (count & 0x00ff));
934 IW_WRITE_CODEC_1(CUPCTI, (u_char) ((count >> 8) & 0x00ff));
935 } else {
936 IW_WRITE_CODEC_1(CLRCTI, (u_char) (count & 0x00ff));
937 IW_WRITE_CODEC_1(CURCTI, (u_char) ((count >> 8) & 0x00ff));
938 }
939 }
940
941 int
942 iw_init_output(void *addr, void *sbuf, int cc)
943 {
944 struct iw_softc *sc = (struct iw_softc *) addr;
945
946 DPRINTF(("iw_init_output\n"));
947
948 isa_dmastart(sc->sc_ic, sc->sc_playdrq, sbuf,
949 cc, NULL, DMAMODE_WRITE | DMAMODE_LOOP, BUS_DMA_NOWAIT);
950 return 0;
951 }
952
953 int
954 iw_init_input(void *addr, void *sbuf, int cc)
955 {
956 struct iw_softc *sc;
957
958 DPRINTF(("iw_init_input\n"));
959 sc = (struct iw_softc *) addr;
960 isa_dmastart(sc->sc_ic, sc->sc_recdrq, sbuf,
961 cc, NULL, DMAMODE_READ | DMAMODE_LOOP, BUS_DMA_NOWAIT);
962 return 0;
963 }
964
965
966 int
967 iw_start_output(void *addr, void *p, int cc, void (*intr)(void *), void *arg)
968 {
969 struct iw_softc *sc;
970
971 #ifdef DIAGNOSTIC
972 if (!intr) {
973 printf("iw_start_output: no callback!\n");
974 return 1;
975 }
976 #endif
977 sc = addr;
978 sc->sc_playintr = intr;
979 sc->sc_playarg = arg;
980 sc->sc_dma_flags |= DMAMODE_WRITE;
981 sc->sc_playdma_bp = p;
982
983 isa_dmastart(sc->sc_ic, sc->sc_playdrq, sc->sc_playdma_bp,
984 cc, NULL, DMAMODE_WRITE, BUS_DMA_NOWAIT);
985
986
987 if (sc->play_encoding == AUDIO_ENCODING_ADPCM)
988 cc >>= 2;
989 if (sc->play_precision == 16)
990 cc >>= 1;
991
992 if (sc->play_channels == 2 && sc->play_encoding != AUDIO_ENCODING_ADPCM)
993 cc >>= 1;
994
995 cc -= iw_cc;
996
997 /* iw_dma_access(sc,1); */
998 if (cc != sc->sc_playdma_cnt) {
999 iw_dma_count(sc, (u_short) cc, IW_DMA_PLAYBACK);
1000 sc->sc_playdma_cnt = cc;
1001
1002 iw_trigger_dma(sc, IW_DMA_PLAYBACK);
1003 }
1004
1005 #ifdef DIAGNOSTIC
1006 if (outputs != iw_ints)
1007 printf("iw_start_output: out %d, int %d\n", outputs, iw_ints);
1008 outputs++;
1009 #endif
1010
1011 return 0;
1012 }
1013
1014
1015 int
1016 iw_start_input(void *addr, void *p, int cc, void (*intr)(void *), void *arg)
1017 {
1018 struct iw_softc *sc;
1019
1020 #ifdef DIAGNOSTIC
1021 if (!intr) {
1022 printf("iw_start_input: no callback!\n");
1023 return 1;
1024 }
1025 #endif
1026 sc = addr;
1027 sc->sc_recintr = intr;
1028 sc->sc_recarg = arg;
1029 sc->sc_dma_flags |= DMAMODE_READ;
1030 sc->sc_recdma_bp = p;
1031
1032 isa_dmastart(sc->sc_ic, sc->sc_recdrq, sc->sc_recdma_bp,
1033 cc, NULL, DMAMODE_READ, BUS_DMA_NOWAIT);
1034
1035
1036 if (sc->rec_encoding == AUDIO_ENCODING_ADPCM)
1037 cc >>= 2;
1038 if (sc->rec_precision == 16)
1039 cc >>= 1;
1040
1041 if (sc->rec_channels == 2 && sc->rec_encoding != AUDIO_ENCODING_ADPCM)
1042 cc >>= 1;
1043
1044 cc -= iw_cc;
1045
1046 /* iw_dma_access(sc,0); */
1047 if (sc->sc_recdma_cnt != cc) {
1048 iw_dma_count(sc, (u_short) cc, IW_DMA_RECORD);
1049 sc->sc_recdma_cnt = cc;
1050 /* iw_dma_ctrl(sc, IW_DMA_RECORD); */
1051 iw_trigger_dma(sc, IW_DMA_RECORD);
1052 }
1053
1054 #ifdef DIAGNOSTIC
1055 if ((inputs != iw_inints))
1056 printf("iw_start_input: in %d, inints %d\n", inputs, iw_inints);
1057 inputs++;
1058 #endif
1059
1060 return 0;
1061 }
1062
1063
1064 int
1065 iw_halt_output(void *addr)
1066 {
1067 struct iw_softc *sc;
1068
1069 sc = addr;
1070 iw_stop_dma(sc, IW_DMA_PLAYBACK, 0);
1071 return 0;
1072 }
1073
1074
1075 int
1076 iw_halt_input(void *addr)
1077 {
1078 struct iw_softc *sc;
1079
1080 sc = addr;
1081 iw_stop_dma(sc, IW_DMA_RECORD, 0);
1082 return 0;
1083 }
1084
1085 int
1086 iw_speaker_ctl(void *addr, int newstate)
1087 {
1088 struct iw_softc *sc;
1089 u_char reg;
1090
1091 sc = addr;
1092 if (newstate == SPKR_ON) {
1093 sc->sc_dac.off = 0;
1094 IW_READ_CODEC_1(CLDACI, reg);
1095 IW_WRITE_CODEC_1(CLDACI, reg & 0x7f);
1096 IW_READ_CODEC_1(CRDACI, reg);
1097 IW_WRITE_CODEC_1(CRDACI, reg & 0x7f);
1098 } else {
1099 /* SPKR_OFF */
1100 sc->sc_dac.off = 1;
1101 IW_READ_CODEC_1(CLDACI, reg);
1102 IW_WRITE_CODEC_1(CLDACI, reg | 0x80);
1103 IW_READ_CODEC_1(CRDACI, reg);
1104 IW_WRITE_CODEC_1(CRDACI, reg | 0x80);
1105 }
1106 return 0;
1107 }
1108
1109 int
1110 iw_getdev(void *addr, struct audio_device *retp)
1111 {
1112
1113 *retp = iw_device;
1114 return 0;
1115 }
1116
1117 int
1118 iw_setfd(void *addr, int flag)
1119 {
1120
1121 return 0;
1122 }
1123
1124 /* Mixer (in/out ports) */
1125 int
1126 iw_set_port(void *addr, mixer_ctrl_t *cp)
1127 {
1128 struct iw_softc *sc;
1129 u_char vall, valr;
1130 int error;
1131
1132 sc = addr;
1133 vall = 0;
1134 valr = 0;
1135 error = EINVAL;
1136 switch (cp->dev) {
1137 case IW_MIC_IN_LVL:
1138 if (cp->type == AUDIO_MIXER_VALUE) {
1139 error = 0;
1140 if (cp->un.value.num_channels == 1) {
1141 vall = valr = cp->un.value.level[0];
1142 } else {
1143 vall = cp->un.value.level[0];
1144 valr = cp->un.value.level[1];
1145 }
1146 sc->sc_mic.voll = vall;
1147 sc->sc_mic.volr = valr;
1148 iw_mixer_line_level(sc, IW_MIC_IN, vall, valr);
1149 }
1150 break;
1151 case IW_AUX1_LVL:
1152 if (cp->type == AUDIO_MIXER_VALUE) {
1153 error = 0;
1154 if (cp->un.value.num_channels == 1) {
1155 vall = valr = cp->un.value.level[0];
1156 } else {
1157 vall = cp->un.value.level[0];
1158 valr = cp->un.value.level[1];
1159 }
1160 sc->sc_aux1.voll = vall;
1161 sc->sc_aux1.volr = valr;
1162 iw_mixer_line_level(sc, IW_AUX1, vall, valr);
1163 }
1164 break;
1165 case IW_AUX2_LVL:
1166 if (cp->type == AUDIO_MIXER_VALUE) {
1167 error = 0;
1168 if (cp->un.value.num_channels == 1) {
1169 vall = valr = cp->un.value.level[0];
1170 } else {
1171 vall = cp->un.value.level[0];
1172 valr = cp->un.value.level[1];
1173 }
1174 sc->sc_aux2.voll = vall;
1175 sc->sc_aux2.volr = valr;
1176 iw_mixer_line_level(sc, IW_AUX2, vall, valr);
1177 }
1178 break;
1179 case IW_LINE_IN_LVL:
1180 if (cp->type == AUDIO_MIXER_VALUE) {
1181 error = 0;
1182 if (cp->un.value.num_channels == 1) {
1183 vall = valr = cp->un.value.level[0];
1184 } else {
1185 vall = cp->un.value.level[0];
1186 valr = cp->un.value.level[1];
1187 }
1188 sc->sc_linein.voll = vall;
1189 sc->sc_linein.volr = valr;
1190 iw_mixer_line_level(sc, IW_LINE_IN, vall, valr);
1191 }
1192 break;
1193 case IW_LINE_OUT_LVL:
1194 if (cp->type == AUDIO_MIXER_VALUE) {
1195 error = 0;
1196 if (cp->un.value.num_channels == 1) {
1197 vall = valr = cp->un.value.level[0];
1198 } else {
1199 vall = cp->un.value.level[0];
1200 valr = cp->un.value.level[1];
1201 }
1202 sc->sc_lineout.voll = vall;
1203 sc->sc_lineout.volr = valr;
1204 iw_mixer_line_level(sc, IW_LINE_OUT, vall, valr);
1205 }
1206 break;
1207 case IW_REC_LVL:
1208 if (cp->type == AUDIO_MIXER_VALUE) {
1209 error = 0;
1210 if (cp->un.value.num_channels == 1) {
1211 vall = valr = cp->un.value.level[0];
1212 } else {
1213 vall = cp->un.value.level[0];
1214 valr = cp->un.value.level[1];
1215 }
1216 sc->sc_rec.voll = vall;
1217 sc->sc_rec.volr = valr;
1218 iw_mixer_line_level(sc, IW_REC, vall, valr);
1219 }
1220 break;
1221
1222 case IW_DAC_LVL:
1223 if (cp->type == AUDIO_MIXER_VALUE) {
1224 error = 0;
1225 if (cp->un.value.num_channels == 1) {
1226 vall = valr = cp->un.value.level[0];
1227 } else {
1228 vall = cp->un.value.level[0];
1229 valr = cp->un.value.level[1];
1230 }
1231 sc->sc_dac.voll = vall;
1232 sc->sc_dac.volr = valr;
1233 iw_mixer_line_level(sc, IW_DAC, vall, valr);
1234 }
1235 break;
1236
1237 case IW_LOOPBACK_LVL:
1238 if (cp->type == AUDIO_MIXER_VALUE) {
1239 error = 0;
1240 if (cp->un.value.num_channels != 1) {
1241 return EINVAL;
1242 } else {
1243 valr = vall = cp->un.value.level[0];
1244 }
1245 sc->sc_loopback.voll = vall;
1246 sc->sc_loopback.volr = valr;
1247 iw_mixer_line_level(sc, IW_LOOPBACK, vall, valr);
1248 }
1249 break;
1250
1251 case IW_MONO_IN_LVL:
1252 if (cp->type == AUDIO_MIXER_VALUE) {
1253 error = 0;
1254 if (cp->un.value.num_channels != 1) {
1255 return EINVAL;
1256 } else {
1257 valr = vall = cp->un.value.level[0];
1258 }
1259 sc->sc_monoin.voll = vall;
1260 sc->sc_monoin.volr = valr;
1261 iw_mixer_line_level(sc, IW_MONO_IN, vall, valr);
1262 }
1263 break;
1264 case IW_RECORD_SOURCE:
1265 error = 0;
1266 sc->sc_recsrcbits = cp->un.ord << 6;
1267 DPRINTF(("record source %d bits %x\n", cp->un.ord, sc->sc_recsrcbits));
1268 iw_mixer_line_level(sc, IW_REC, sc->sc_rec.voll, sc->sc_rec.volr);
1269 break;
1270 }
1271
1272 return error;
1273 }
1274
1275
1276 int
1277 iw_get_port(void *addr, mixer_ctrl_t *cp)
1278 {
1279 struct iw_softc *sc;
1280 int error;
1281
1282 sc = addr;
1283 error = EINVAL;
1284 switch (cp->dev) {
1285 case IW_MIC_IN_LVL:
1286 if (cp->type == AUDIO_MIXER_VALUE) {
1287 cp->un.value.num_channels = 2;
1288 cp->un.value.level[0] = sc->sc_mic.voll;
1289 cp->un.value.level[1] = sc->sc_mic.volr;
1290 error = 0;
1291 }
1292 break;
1293 case IW_AUX1_LVL:
1294 if (cp->type == AUDIO_MIXER_VALUE) {
1295 cp->un.value.num_channels = 2;
1296 cp->un.value.level[0] = sc->sc_aux1.voll;
1297 cp->un.value.level[1] = sc->sc_aux1.volr;
1298 error = 0;
1299 }
1300 break;
1301 case IW_AUX2_LVL:
1302 if (cp->type == AUDIO_MIXER_VALUE) {
1303 cp->un.value.num_channels = 2;
1304 cp->un.value.level[0] = sc->sc_aux2.voll;
1305 cp->un.value.level[1] = sc->sc_aux2.volr;
1306 error = 0;
1307 }
1308 break;
1309 case IW_LINE_OUT_LVL:
1310 if (cp->type == AUDIO_MIXER_VALUE) {
1311 cp->un.value.num_channels = 2;
1312 cp->un.value.level[0] = sc->sc_lineout.voll;
1313 cp->un.value.level[1] = sc->sc_lineout.volr;
1314 error = 0;
1315 }
1316 break;
1317 case IW_LINE_IN_LVL:
1318 if (cp->type == AUDIO_MIXER_VALUE) {
1319 cp->un.value.num_channels = 2;
1320 cp->un.value.level[0] = sc->sc_linein.voll;
1321 cp->un.value.level[1] = sc->sc_linein.volr;
1322 error = 0;
1323 }
1324 case IW_REC_LVL:
1325 if (cp->type == AUDIO_MIXER_VALUE) {
1326 cp->un.value.num_channels = 2;
1327 cp->un.value.level[0] = sc->sc_rec.voll;
1328 cp->un.value.level[1] = sc->sc_rec.volr;
1329 error = 0;
1330 }
1331 break;
1332
1333 case IW_DAC_LVL:
1334 if (cp->type == AUDIO_MIXER_VALUE) {
1335 cp->un.value.num_channels = 2;
1336 cp->un.value.level[0] = sc->sc_dac.voll;
1337 cp->un.value.level[1] = sc->sc_dac.volr;
1338 error = 0;
1339 }
1340 break;
1341
1342 case IW_LOOPBACK_LVL:
1343 if (cp->type == AUDIO_MIXER_VALUE) {
1344 cp->un.value.num_channels = 1;
1345 cp->un.value.level[0] = sc->sc_loopback.voll;
1346 error = 0;
1347 }
1348 break;
1349
1350 case IW_MONO_IN_LVL:
1351 if (cp->type == AUDIO_MIXER_VALUE) {
1352 cp->un.value.num_channels = 1;
1353 cp->un.value.level[0] = sc->sc_monoin.voll;
1354 error = 0;
1355 }
1356 break;
1357 case IW_RECORD_SOURCE:
1358 cp->un.ord = sc->sc_recsrcbits >> 6;
1359 error = 0;
1360 break;
1361 }
1362
1363 return error;
1364 }
1365
1366
1367
1368 int
1369 iw_query_devinfo(void *addr, mixer_devinfo_t *dip)
1370 {
1371
1372 switch (dip->index) {
1373 case IW_MIC_IN_LVL: /* Microphone */
1374 dip->type = AUDIO_MIXER_VALUE;
1375 dip->mixer_class = IW_INPUT_CLASS;
1376 dip->prev = AUDIO_MIXER_LAST;
1377 dip->next = AUDIO_MIXER_LAST;
1378 strcpy(dip->label.name, AudioNmicrophone);
1379 dip->un.v.num_channels = 2;
1380 strcpy(dip->un.v.units.name, AudioNvolume);
1381 break;
1382 case IW_AUX1_LVL:
1383 dip->type = AUDIO_MIXER_VALUE;
1384 dip->mixer_class = IW_INPUT_CLASS;
1385 dip->prev = AUDIO_MIXER_LAST;
1386 dip->next = AUDIO_MIXER_LAST;
1387 strcpy(dip->label.name, AudioNline);
1388 dip->un.v.num_channels = 2;
1389 strcpy(dip->un.v.units.name, AudioNvolume);
1390 break;
1391 case IW_AUX2_LVL:
1392 dip->type = AUDIO_MIXER_VALUE;
1393 dip->mixer_class = IW_INPUT_CLASS;
1394 dip->prev = AUDIO_MIXER_LAST;
1395 dip->next = AUDIO_MIXER_LAST;
1396 strcpy(dip->label.name, AudioNcd);
1397 dip->un.v.num_channels = 2;
1398 strcpy(dip->un.v.units.name, AudioNvolume);
1399 break;
1400 case IW_LINE_OUT_LVL:
1401 dip->type = AUDIO_MIXER_VALUE;
1402 dip->mixer_class = IW_OUTPUT_CLASS;
1403 dip->prev = AUDIO_MIXER_LAST;
1404 dip->next = AUDIO_MIXER_LAST;
1405 strcpy(dip->label.name, AudioNline);
1406 dip->un.v.num_channels = 2;
1407 strcpy(dip->un.v.units.name, AudioNvolume);
1408 break;
1409 case IW_DAC_LVL:
1410 dip->type = AUDIO_MIXER_VALUE;
1411 dip->mixer_class = IW_OUTPUT_CLASS;
1412 dip->prev = AUDIO_MIXER_LAST;
1413 dip->next = AUDIO_MIXER_LAST;
1414 strcpy(dip->label.name, AudioNdac);
1415 dip->un.v.num_channels = 2;
1416 strcpy(dip->un.v.units.name, AudioNvolume);
1417 break;
1418 case IW_LINE_IN_LVL:
1419 dip->type = AUDIO_MIXER_VALUE;
1420 dip->mixer_class = IW_INPUT_CLASS;
1421 dip->prev = AUDIO_MIXER_LAST;
1422 dip->next = AUDIO_MIXER_LAST;
1423 strcpy(dip->label.name, AudioNinput);
1424 dip->un.v.num_channels = 2;
1425 strcpy(dip->un.v.units.name, AudioNvolume);
1426 break;
1427 case IW_MONO_IN_LVL:
1428 dip->type = AUDIO_MIXER_VALUE;
1429 dip->mixer_class = IW_INPUT_CLASS;
1430 dip->prev = AUDIO_MIXER_LAST;
1431 dip->next = AUDIO_MIXER_LAST;
1432 strcpy(dip->label.name, AudioNmono);
1433 dip->un.v.num_channels = 1;
1434 strcpy(dip->un.v.units.name, AudioNvolume);
1435 break;
1436
1437 case IW_REC_LVL: /* record level */
1438 dip->type = AUDIO_MIXER_VALUE;
1439 dip->mixer_class = IW_RECORD_CLASS;
1440 dip->prev = AUDIO_MIXER_LAST;
1441 dip->next = AUDIO_MIXER_LAST;
1442 strcpy(dip->label.name, AudioNrecord);
1443 dip->un.v.num_channels = 2;
1444 strcpy(dip->un.v.units.name, AudioNvolume);
1445 break;
1446
1447 case IW_LOOPBACK_LVL:
1448 dip->type = AUDIO_MIXER_VALUE;
1449 dip->mixer_class = IW_RECORD_CLASS;
1450 dip->prev = AUDIO_MIXER_LAST;
1451 dip->next = AUDIO_MIXER_LAST;
1452 strcpy(dip->label.name, "filter");
1453 dip->un.v.num_channels = 1;
1454 strcpy(dip->un.v.units.name, AudioNvolume);
1455 break;
1456
1457 case IW_RECORD_SOURCE:
1458 dip->mixer_class = IW_RECORD_CLASS;
1459 dip->type = AUDIO_MIXER_ENUM;
1460 dip->prev = AUDIO_MIXER_LAST;
1461 dip->next = AUDIO_MIXER_LAST;
1462 strcpy(dip->label.name, AudioNsource);
1463 dip->un.e.num_mem = 4;
1464 strcpy(dip->un.e.member[0].label.name, AudioNline);
1465 dip->un.e.member[0].ord = IW_LINE_IN_SRC;
1466 strcpy(dip->un.e.member[1].label.name, "aux1");
1467 dip->un.e.member[1].ord = IW_AUX1_SRC;
1468 strcpy(dip->un.e.member[2].label.name, AudioNmicrophone);
1469 dip->un.e.member[2].ord = IW_MIC_IN_SRC;
1470 strcpy(dip->un.e.member[3].label.name, AudioNmixerout);
1471 dip->un.e.member[3].ord = IW_MIX_OUT_SRC;
1472 break;
1473 case IW_INPUT_CLASS:
1474 dip->type = AUDIO_MIXER_CLASS;
1475 dip->mixer_class = IW_INPUT_CLASS;
1476 dip->next = dip->prev = AUDIO_MIXER_LAST;
1477 strcpy(dip->label.name, AudioCinputs);
1478 break;
1479 case IW_OUTPUT_CLASS:
1480 dip->type = AUDIO_MIXER_CLASS;
1481 dip->mixer_class = IW_OUTPUT_CLASS;
1482 dip->next = dip->prev = AUDIO_MIXER_LAST;
1483 strcpy(dip->label.name, AudioCoutputs);
1484 break;
1485 case IW_RECORD_CLASS: /* record source class */
1486 dip->type = AUDIO_MIXER_CLASS;
1487 dip->mixer_class = IW_RECORD_CLASS;
1488 dip->next = dip->prev = AUDIO_MIXER_LAST;
1489 strcpy(dip->label.name, AudioCrecord);
1490 return 0;
1491 default:
1492 return ENXIO;
1493 }
1494 return 0;
1495 }
1496
1497
1498 void *
1499 iw_malloc(void *addr, int direction, size_t size)
1500 {
1501 struct iw_softc *sc;
1502 int drq;
1503
1504 sc = addr;
1505 if (direction == AUMODE_PLAY)
1506 drq = sc->sc_playdrq;
1507 else
1508 drq = sc->sc_recdrq;
1509 return isa_malloc(sc->sc_ic, drq, size, M_DEVBUF, M_WAITOK);
1510 }
1511
1512 void
1513 iw_free(void *addr, void *ptr, size_t size)
1514 {
1515
1516 isa_free(ptr, M_DEVBUF);
1517 }
1518
1519 size_t
1520 iw_round_buffersize(void *addr, int direction, size_t size)
1521 {
1522 struct iw_softc *sc;
1523 bus_size_t maxsize;
1524
1525 sc = addr;
1526 if (direction == AUMODE_PLAY)
1527 maxsize = sc->sc_play_maxsize;
1528 else
1529 maxsize = sc->sc_rec_maxsize;
1530
1531 if (size > maxsize)
1532 size = maxsize;
1533 return size;
1534 }
1535
1536 paddr_t
1537 iw_mappage(void *addr, void *mem, off_t off, int prot)
1538 {
1539
1540 return isa_mappage(mem, off, prot);
1541 }
1542
1543 int
1544 iw_get_props(void *addr)
1545 {
1546 struct iw_softc *sc;
1547
1548 sc = addr;
1549 return AUDIO_PROP_MMAP |
1550 (sc->sc_fullduplex ? AUDIO_PROP_FULLDUPLEX : 0);
1551 }
1552
1553 void
1554 iw_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
1555 {
1556 struct iw_softc *sc;
1557
1558 sc = addr;
1559 *intr = &sc->sc_intr_lock;
1560 *thread = &sc->sc_lock;
1561 }
1562