interwave.c revision 1.34.12.3 1 /* $NetBSD: interwave.c,v 1.34.12.3 2014/05/22 11:40:22 yamt 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 1.34.12.3 2014/05/22 11:40:22 yamt 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_AUDIO);
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_AUDIO, 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 __USE(reg);
580
581 return freq;
582 }
583
584 /* Encoding. */
585 int
586 iw_query_encoding(void *addr, audio_encoding_t *fp)
587 {
588 /*
589 * LINEAR, ALAW, ULAW, ADPCM in HW, we'll use linear unsigned
590 * hardware mode for all 8-bit modes due to buggy (?) codec.
591 */
592
593 /*
594 * except in wavetable synth. there we have only mu-law and 8 and 16
595 * bit linear data
596 */
597
598 switch (fp->index) {
599 case 0:
600 strcpy(fp->name, AudioEulinear);
601 fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
602 fp->precision = 8;
603 fp->flags = 0;
604 break;
605 case 1:
606 strcpy(fp->name, AudioEmulaw);
607 fp->encoding = AUDIO_ENCODING_ULAW;
608 fp->precision = 8;
609 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
610 break;
611 case 2:
612 strcpy(fp->name, AudioEalaw);
613 fp->encoding = AUDIO_ENCODING_ALAW;
614 fp->precision = 8;
615 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
616 break;
617 case 3:
618 strcpy(fp->name, AudioEadpcm);
619 fp->encoding = AUDIO_ENCODING_ADPCM;
620 fp->precision = 8; /* really 4 bit */
621 fp->flags = 0;
622 break;
623 case 4:
624 strcpy(fp->name, AudioEslinear_le);
625 fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
626 fp->precision = 16;
627 fp->flags = 0;
628 break;
629 case 5:
630 strcpy(fp->name, AudioEslinear_be);
631 fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
632 fp->precision = 16;
633 fp->flags = 0;
634 break;
635 default:
636 return EINVAL;
637 /* NOTREACHED */
638 }
639 return 0;
640 }
641
642 u_long
643 iw_set_format(struct iw_softc *sc, u_long precision, int in)
644 {
645 u_char data;
646 int encoding, channels;
647
648 encoding = in ? sc->rec_encoding : sc->play_encoding;
649 channels = in ? sc->rec_channels : sc->play_channels;
650
651 DPRINTF(("iw_set_format\n"));
652
653 switch (encoding) {
654 case AUDIO_ENCODING_ULAW:
655 data = 0x00;
656 break;
657
658 case AUDIO_ENCODING_ALAW:
659 data = 0x00;
660 break;
661
662 case AUDIO_ENCODING_SLINEAR_LE:
663 if (precision == 16)
664 data = 0x40; /* little endian. 0xc0 is big endian */
665 else
666 data = 0x00;
667 break;
668
669 case AUDIO_ENCODING_SLINEAR_BE:
670 if (precision == 16)
671 data = 0xc0;
672 else
673 data = 0x00;
674 break;
675
676 case AUDIO_ENCODING_ADPCM:
677 data = 0xa0;
678 break;
679
680 default:
681 return -1;
682 }
683
684 if (channels == 2)
685 data |= 0x10; /* stereo */
686
687 if (in) {
688 /* in */
689 sc->recfmtbits = data;
690 /* This will zero the normal codec frequency,
691 * iw_set_speed should always be called afterwards.
692 */
693 IW_WRITE_CODEC_1(CRDFI | IW_MCE, data);
694 } else {
695 /* out */
696 sc->playfmtbits = data;
697 IW_WRITE_CODEC_1(CPDFI | IW_MCE, data);
698 }
699
700 DPRINTF(("formatbits %s %x", in ? "in" : "out", data));
701
702 return encoding;
703 }
704
705 int
706 iw_set_params(void *addr, int setmode, int usemode, audio_params_t *p,
707 audio_params_t *q, stream_filter_list_t *pfil, stream_filter_list_t *rfil)
708 {
709 audio_params_t phw, rhw;
710 struct iw_softc *sc;
711 stream_filter_factory_t *swcode;
712
713 DPRINTF(("iw_setparams: code %u, prec %u, rate %u, chan %u\n",
714 p->encoding, p->precision, p->sample_rate, p->channels));
715 sc = addr;
716 swcode = NULL;
717 phw = *p;
718 rhw = *q;
719 switch (p->encoding) {
720 case AUDIO_ENCODING_ULAW:
721 if (p->precision != 8)
722 return EINVAL;
723 phw.encoding = AUDIO_ENCODING_ULINEAR_LE;
724 rhw.encoding = AUDIO_ENCODING_ULINEAR_LE;
725 swcode = setmode & AUMODE_PLAY ? mulaw_to_linear8 : linear8_to_mulaw;
726 break;
727 case AUDIO_ENCODING_ALAW:
728 if (p->precision != 8)
729 return EINVAL;
730 phw.encoding = AUDIO_ENCODING_ULINEAR_LE;
731 rhw.encoding = AUDIO_ENCODING_ULINEAR_LE;
732 swcode = setmode & AUMODE_PLAY ? alaw_to_linear8 : linear8_to_alaw;
733 break;
734 case AUDIO_ENCODING_ADPCM:
735 if (p->precision != 8)
736 return EINVAL;
737 else
738 break;
739
740 case AUDIO_ENCODING_SLINEAR_LE:
741 case AUDIO_ENCODING_SLINEAR_BE:
742 if (p->precision != 8 && p->precision != 16)
743 return EINVAL;
744 else
745 break;
746
747 default:
748 return EINVAL;
749
750 }
751
752 if (setmode & AUMODE_PLAY) {
753 sc->play_channels = p->channels;
754 sc->play_encoding = p->encoding;
755 sc->play_precision = p->precision;
756 iw_set_format(sc, p->precision, 0);
757 q->sample_rate = p->sample_rate = sc->sc_orate =
758 iw_set_speed(sc, p->sample_rate, 0);
759 if (swcode != NULL) {
760 phw.sample_rate = p->sample_rate;
761 pfil->append(pfil, swcode, &phw);
762 }
763 } else {
764 #if 0
765 q->channels = sc->rec_channels = p->channels;
766 q->encoding = sc->rec_encoding = p->encoding;
767 q->precision = sc->rec_precision = p->precision;
768 #endif
769 sc->rec_channels = q->channels;
770 sc->rec_encoding = q->encoding;
771 sc->rec_precision = q->precision;
772
773 iw_set_format(sc, p->precision, 1);
774 q->sample_rate = sc->sc_irate =
775 iw_set_speed(sc, q->sample_rate, 1);
776 if (swcode != NULL) {
777 rhw.sample_rate = q->sample_rate;
778 rfil->append(rfil, swcode, &rhw);
779 }
780 }
781 return 0;
782 }
783
784
785 int
786 iw_round_blocksize(void *addr, int blk, int mode,
787 const audio_params_t *param)
788 {
789
790 /* Round to a multiple of the biggest sample size. */
791 return blk &= -4;
792 }
793
794 void
795 iw_mixer_line_level(struct iw_softc *sc, int line, int levl, int levr)
796 {
797 u_char gainl, gainr, attenl, attenr;
798
799 switch (line) {
800 case IW_REC:
801 gainl = sc->sc_recsrcbits | (levl >> 4);
802 gainr = sc->sc_recsrcbits | (levr >> 4);
803 DPRINTF(("recording with %x", gainl));
804 IW_WRITE_CODEC_1(CLICI, gainl);
805 IW_WRITE_CODEC_1(CRICI, gainr);
806 sc->sc_rec.voll = levl & 0xf0;
807 sc->sc_rec.volr = levr & 0xf0;
808 break;
809
810 case IW_AUX1:
811
812 gainl = (255 - levl) >> 3;
813 gainr = (255 - levr) >> 3;
814
815 /* mute if 0 level */
816 if (levl == 0)
817 gainl |= 0x80;
818 if (levr == 0)
819 gainr |= 0x80;
820
821 IW_WRITE_CODEC_1(IW_LEFT_AUX1_PORT, gainl);
822 IW_WRITE_CODEC_1(IW_RIGHT_AUX1_PORT, gainr);
823 sc->sc_aux1.voll = levl & 0xf8;
824 sc->sc_aux1.volr = levr & 0xf8;
825
826 break;
827
828 case IW_AUX2:
829
830 gainl = (255 - levl) >> 3;
831 gainr = (255 - levr) >> 3;
832
833 /* mute if 0 level */
834 if (levl == 0)
835 gainl |= 0x80;
836 if (levr == 0)
837 gainr |= 0x80;
838
839 IW_WRITE_CODEC_1(IW_LEFT_AUX2_PORT, gainl);
840 IW_WRITE_CODEC_1(IW_RIGHT_AUX2_PORT, gainr);
841 sc->sc_aux2.voll = levl & 0xf8;
842 sc->sc_aux2.volr = levr & 0xf8;
843 break;
844 case IW_DAC:
845 attenl = ((255 - levl) >> 2) | ((levl && !sc->sc_dac.off) ? 0 : 0x80);
846 attenr = ((255 - levr) >> 2) | ((levr && !sc->sc_dac.off) ? 0 : 0x80);
847 IW_WRITE_CODEC_1(CLDACI, attenl);
848 IW_WRITE_CODEC_1(CRDACI, attenr);
849 sc->sc_dac.voll = levl & 0xfc;
850 sc->sc_dac.volr = levr & 0xfc;
851 break;
852 case IW_LOOPBACK:
853 attenl = ((255 - levl) & 0xfc) | (levl ? 0x01 : 0);
854 IW_WRITE_CODEC_1(CLCI, attenl);
855 sc->sc_loopback.voll = levl & 0xfc;
856 break;
857 case IW_LINE_IN:
858 gainl = (levl >> 3) | (levl ? 0 : 0x80);
859 gainr = (levr >> 3) | (levr ? 0 : 0x80);
860 IW_WRITE_CODEC_1(CLLICI, gainl);
861 IW_WRITE_CODEC_1(CRLICI, gainr);
862 sc->sc_linein.voll = levl & 0xf8;
863 sc->sc_linein.volr = levr & 0xf8;
864 break;
865 case IW_MIC_IN:
866 gainl = ((255 - levl) >> 3) | (levl ? 0 : 0x80);
867 gainr = ((255 - levr) >> 3) | (levr ? 0 : 0x80);
868 IW_WRITE_CODEC_1(CLMICI, gainl);
869 IW_WRITE_CODEC_1(CRMICI, gainr);
870 sc->sc_mic.voll = levl & 0xf8;
871 sc->sc_mic.volr = levr & 0xf8;
872 break;
873 case IW_LINE_OUT:
874 attenl = ((255 - levl) >> 3) | (levl ? 0 : 0x80);
875 attenr = ((255 - levr) >> 3) | (levr ? 0 : 0x80);
876 IW_WRITE_CODEC_1(CLOAI, attenl);
877 IW_WRITE_CODEC_1(CROAI, attenr);
878 sc->sc_lineout.voll = levl & 0xf8;
879 sc->sc_lineout.volr = levr & 0xf8;
880 break;
881 case IW_MONO_IN:
882 attenl = ((255 - levl) >> 4) | (levl ? 0 : 0xc0); /* in/out mute */
883 IW_WRITE_CODEC_1(CMONOI, attenl);
884 sc->sc_monoin.voll = levl & 0xf0;
885 break;
886 }
887 }
888
889 int
890 iw_commit_settings(void *addr)
891 {
892
893 return 0;
894 }
895
896 void
897 iw_trigger_dma(struct iw_softc *sc, u_char io)
898 {
899 u_char reg;
900
901 IW_READ_CODEC_1(CSR3I, reg);
902 IW_WRITE_CODEC_1(CSR3I, reg & ~(io == IW_DMA_PLAYBACK ? 0x10 : 0x20));
903
904 IW_READ_CODEC_1(CFIG1I, reg);
905
906 IW_WRITE_CODEC_1(CFIG1I, reg | io);
907
908 /* let the counter run */
909 IW_READ_CODEC_1(CFIG2I, reg);
910 IW_WRITE_CODEC_1(CFIG2I, reg & ~(io << 4));
911 }
912
913 void
914 iw_stop_dma(struct iw_softc *sc, u_char io, u_char hard)
915 {
916 u_char reg;
917
918 /* just stop the counter, no need to flush the fifo */
919 IW_READ_CODEC_1(CFIG2I, reg);
920 IW_WRITE_CODEC_1(CFIG2I, (reg | (io << 4)));
921
922 if (hard) {
923 /* unless we're closing the device */
924 IW_READ_CODEC_1(CFIG1I, reg);
925 IW_WRITE_CODEC_1(CFIG1I, reg & ~io);
926 }
927 }
928
929 void
930 iw_dma_count(struct iw_softc *sc, u_short count, int io)
931 {
932
933 if (io == IW_DMA_PLAYBACK) {
934 IW_WRITE_CODEC_1(CLPCTI, (u_char) (count & 0x00ff));
935 IW_WRITE_CODEC_1(CUPCTI, (u_char) ((count >> 8) & 0x00ff));
936 } else {
937 IW_WRITE_CODEC_1(CLRCTI, (u_char) (count & 0x00ff));
938 IW_WRITE_CODEC_1(CURCTI, (u_char) ((count >> 8) & 0x00ff));
939 }
940 }
941
942 int
943 iw_init_output(void *addr, void *sbuf, int cc)
944 {
945 struct iw_softc *sc = (struct iw_softc *) addr;
946
947 DPRINTF(("iw_init_output\n"));
948
949 isa_dmastart(sc->sc_ic, sc->sc_playdrq, sbuf,
950 cc, NULL, DMAMODE_WRITE | DMAMODE_LOOP, BUS_DMA_NOWAIT);
951 return 0;
952 }
953
954 int
955 iw_init_input(void *addr, void *sbuf, int cc)
956 {
957 struct iw_softc *sc;
958
959 DPRINTF(("iw_init_input\n"));
960 sc = (struct iw_softc *) addr;
961 isa_dmastart(sc->sc_ic, sc->sc_recdrq, sbuf,
962 cc, NULL, DMAMODE_READ | DMAMODE_LOOP, BUS_DMA_NOWAIT);
963 return 0;
964 }
965
966
967 int
968 iw_start_output(void *addr, void *p, int cc, void (*intr)(void *), void *arg)
969 {
970 struct iw_softc *sc;
971
972 #ifdef DIAGNOSTIC
973 if (!intr) {
974 printf("iw_start_output: no callback!\n");
975 return 1;
976 }
977 #endif
978 sc = addr;
979 sc->sc_playintr = intr;
980 sc->sc_playarg = arg;
981 sc->sc_dma_flags |= DMAMODE_WRITE;
982 sc->sc_playdma_bp = p;
983
984 isa_dmastart(sc->sc_ic, sc->sc_playdrq, sc->sc_playdma_bp,
985 cc, NULL, DMAMODE_WRITE, BUS_DMA_NOWAIT);
986
987
988 if (sc->play_encoding == AUDIO_ENCODING_ADPCM)
989 cc >>= 2;
990 if (sc->play_precision == 16)
991 cc >>= 1;
992
993 if (sc->play_channels == 2 && sc->play_encoding != AUDIO_ENCODING_ADPCM)
994 cc >>= 1;
995
996 cc -= iw_cc;
997
998 /* iw_dma_access(sc,1); */
999 if (cc != sc->sc_playdma_cnt) {
1000 iw_dma_count(sc, (u_short) cc, IW_DMA_PLAYBACK);
1001 sc->sc_playdma_cnt = cc;
1002
1003 iw_trigger_dma(sc, IW_DMA_PLAYBACK);
1004 }
1005
1006 #ifdef DIAGNOSTIC
1007 if (outputs != iw_ints)
1008 printf("iw_start_output: out %d, int %d\n", outputs, iw_ints);
1009 outputs++;
1010 #endif
1011
1012 return 0;
1013 }
1014
1015
1016 int
1017 iw_start_input(void *addr, void *p, int cc, void (*intr)(void *), void *arg)
1018 {
1019 struct iw_softc *sc;
1020
1021 #ifdef DIAGNOSTIC
1022 if (!intr) {
1023 printf("iw_start_input: no callback!\n");
1024 return 1;
1025 }
1026 #endif
1027 sc = addr;
1028 sc->sc_recintr = intr;
1029 sc->sc_recarg = arg;
1030 sc->sc_dma_flags |= DMAMODE_READ;
1031 sc->sc_recdma_bp = p;
1032
1033 isa_dmastart(sc->sc_ic, sc->sc_recdrq, sc->sc_recdma_bp,
1034 cc, NULL, DMAMODE_READ, BUS_DMA_NOWAIT);
1035
1036
1037 if (sc->rec_encoding == AUDIO_ENCODING_ADPCM)
1038 cc >>= 2;
1039 if (sc->rec_precision == 16)
1040 cc >>= 1;
1041
1042 if (sc->rec_channels == 2 && sc->rec_encoding != AUDIO_ENCODING_ADPCM)
1043 cc >>= 1;
1044
1045 cc -= iw_cc;
1046
1047 /* iw_dma_access(sc,0); */
1048 if (sc->sc_recdma_cnt != cc) {
1049 iw_dma_count(sc, (u_short) cc, IW_DMA_RECORD);
1050 sc->sc_recdma_cnt = cc;
1051 /* iw_dma_ctrl(sc, IW_DMA_RECORD); */
1052 iw_trigger_dma(sc, IW_DMA_RECORD);
1053 }
1054
1055 #ifdef DIAGNOSTIC
1056 if ((inputs != iw_inints))
1057 printf("iw_start_input: in %d, inints %d\n", inputs, iw_inints);
1058 inputs++;
1059 #endif
1060
1061 return 0;
1062 }
1063
1064
1065 int
1066 iw_halt_output(void *addr)
1067 {
1068 struct iw_softc *sc;
1069
1070 sc = addr;
1071 iw_stop_dma(sc, IW_DMA_PLAYBACK, 0);
1072 return 0;
1073 }
1074
1075
1076 int
1077 iw_halt_input(void *addr)
1078 {
1079 struct iw_softc *sc;
1080
1081 sc = addr;
1082 iw_stop_dma(sc, IW_DMA_RECORD, 0);
1083 return 0;
1084 }
1085
1086 int
1087 iw_speaker_ctl(void *addr, int newstate)
1088 {
1089 struct iw_softc *sc;
1090 u_char reg;
1091
1092 sc = addr;
1093 if (newstate == SPKR_ON) {
1094 sc->sc_dac.off = 0;
1095 IW_READ_CODEC_1(CLDACI, reg);
1096 IW_WRITE_CODEC_1(CLDACI, reg & 0x7f);
1097 IW_READ_CODEC_1(CRDACI, reg);
1098 IW_WRITE_CODEC_1(CRDACI, reg & 0x7f);
1099 } else {
1100 /* SPKR_OFF */
1101 sc->sc_dac.off = 1;
1102 IW_READ_CODEC_1(CLDACI, reg);
1103 IW_WRITE_CODEC_1(CLDACI, reg | 0x80);
1104 IW_READ_CODEC_1(CRDACI, reg);
1105 IW_WRITE_CODEC_1(CRDACI, reg | 0x80);
1106 }
1107 return 0;
1108 }
1109
1110 int
1111 iw_getdev(void *addr, struct audio_device *retp)
1112 {
1113
1114 *retp = iw_device;
1115 return 0;
1116 }
1117
1118 int
1119 iw_setfd(void *addr, int flag)
1120 {
1121
1122 return 0;
1123 }
1124
1125 /* Mixer (in/out ports) */
1126 int
1127 iw_set_port(void *addr, mixer_ctrl_t *cp)
1128 {
1129 struct iw_softc *sc;
1130 u_char vall, valr;
1131 int error;
1132
1133 sc = addr;
1134 vall = 0;
1135 valr = 0;
1136 error = EINVAL;
1137 switch (cp->dev) {
1138 case IW_MIC_IN_LVL:
1139 if (cp->type == AUDIO_MIXER_VALUE) {
1140 error = 0;
1141 if (cp->un.value.num_channels == 1) {
1142 vall = valr = cp->un.value.level[0];
1143 } else {
1144 vall = cp->un.value.level[0];
1145 valr = cp->un.value.level[1];
1146 }
1147 sc->sc_mic.voll = vall;
1148 sc->sc_mic.volr = valr;
1149 iw_mixer_line_level(sc, IW_MIC_IN, vall, valr);
1150 }
1151 break;
1152 case IW_AUX1_LVL:
1153 if (cp->type == AUDIO_MIXER_VALUE) {
1154 error = 0;
1155 if (cp->un.value.num_channels == 1) {
1156 vall = valr = cp->un.value.level[0];
1157 } else {
1158 vall = cp->un.value.level[0];
1159 valr = cp->un.value.level[1];
1160 }
1161 sc->sc_aux1.voll = vall;
1162 sc->sc_aux1.volr = valr;
1163 iw_mixer_line_level(sc, IW_AUX1, vall, valr);
1164 }
1165 break;
1166 case IW_AUX2_LVL:
1167 if (cp->type == AUDIO_MIXER_VALUE) {
1168 error = 0;
1169 if (cp->un.value.num_channels == 1) {
1170 vall = valr = cp->un.value.level[0];
1171 } else {
1172 vall = cp->un.value.level[0];
1173 valr = cp->un.value.level[1];
1174 }
1175 sc->sc_aux2.voll = vall;
1176 sc->sc_aux2.volr = valr;
1177 iw_mixer_line_level(sc, IW_AUX2, vall, valr);
1178 }
1179 break;
1180 case IW_LINE_IN_LVL:
1181 if (cp->type == AUDIO_MIXER_VALUE) {
1182 error = 0;
1183 if (cp->un.value.num_channels == 1) {
1184 vall = valr = cp->un.value.level[0];
1185 } else {
1186 vall = cp->un.value.level[0];
1187 valr = cp->un.value.level[1];
1188 }
1189 sc->sc_linein.voll = vall;
1190 sc->sc_linein.volr = valr;
1191 iw_mixer_line_level(sc, IW_LINE_IN, vall, valr);
1192 }
1193 break;
1194 case IW_LINE_OUT_LVL:
1195 if (cp->type == AUDIO_MIXER_VALUE) {
1196 error = 0;
1197 if (cp->un.value.num_channels == 1) {
1198 vall = valr = cp->un.value.level[0];
1199 } else {
1200 vall = cp->un.value.level[0];
1201 valr = cp->un.value.level[1];
1202 }
1203 sc->sc_lineout.voll = vall;
1204 sc->sc_lineout.volr = valr;
1205 iw_mixer_line_level(sc, IW_LINE_OUT, vall, valr);
1206 }
1207 break;
1208 case IW_REC_LVL:
1209 if (cp->type == AUDIO_MIXER_VALUE) {
1210 error = 0;
1211 if (cp->un.value.num_channels == 1) {
1212 vall = valr = cp->un.value.level[0];
1213 } else {
1214 vall = cp->un.value.level[0];
1215 valr = cp->un.value.level[1];
1216 }
1217 sc->sc_rec.voll = vall;
1218 sc->sc_rec.volr = valr;
1219 iw_mixer_line_level(sc, IW_REC, vall, valr);
1220 }
1221 break;
1222
1223 case IW_DAC_LVL:
1224 if (cp->type == AUDIO_MIXER_VALUE) {
1225 error = 0;
1226 if (cp->un.value.num_channels == 1) {
1227 vall = valr = cp->un.value.level[0];
1228 } else {
1229 vall = cp->un.value.level[0];
1230 valr = cp->un.value.level[1];
1231 }
1232 sc->sc_dac.voll = vall;
1233 sc->sc_dac.volr = valr;
1234 iw_mixer_line_level(sc, IW_DAC, vall, valr);
1235 }
1236 break;
1237
1238 case IW_LOOPBACK_LVL:
1239 if (cp->type == AUDIO_MIXER_VALUE) {
1240 error = 0;
1241 if (cp->un.value.num_channels != 1) {
1242 return EINVAL;
1243 } else {
1244 valr = vall = cp->un.value.level[0];
1245 }
1246 sc->sc_loopback.voll = vall;
1247 sc->sc_loopback.volr = valr;
1248 iw_mixer_line_level(sc, IW_LOOPBACK, vall, valr);
1249 }
1250 break;
1251
1252 case IW_MONO_IN_LVL:
1253 if (cp->type == AUDIO_MIXER_VALUE) {
1254 error = 0;
1255 if (cp->un.value.num_channels != 1) {
1256 return EINVAL;
1257 } else {
1258 valr = vall = cp->un.value.level[0];
1259 }
1260 sc->sc_monoin.voll = vall;
1261 sc->sc_monoin.volr = valr;
1262 iw_mixer_line_level(sc, IW_MONO_IN, vall, valr);
1263 }
1264 break;
1265 case IW_RECORD_SOURCE:
1266 error = 0;
1267 sc->sc_recsrcbits = cp->un.ord << 6;
1268 DPRINTF(("record source %d bits %x\n", cp->un.ord, sc->sc_recsrcbits));
1269 iw_mixer_line_level(sc, IW_REC, sc->sc_rec.voll, sc->sc_rec.volr);
1270 break;
1271 }
1272
1273 return error;
1274 }
1275
1276
1277 int
1278 iw_get_port(void *addr, mixer_ctrl_t *cp)
1279 {
1280 struct iw_softc *sc;
1281 int error;
1282
1283 sc = addr;
1284 error = EINVAL;
1285 switch (cp->dev) {
1286 case IW_MIC_IN_LVL:
1287 if (cp->type == AUDIO_MIXER_VALUE) {
1288 cp->un.value.num_channels = 2;
1289 cp->un.value.level[0] = sc->sc_mic.voll;
1290 cp->un.value.level[1] = sc->sc_mic.volr;
1291 error = 0;
1292 }
1293 break;
1294 case IW_AUX1_LVL:
1295 if (cp->type == AUDIO_MIXER_VALUE) {
1296 cp->un.value.num_channels = 2;
1297 cp->un.value.level[0] = sc->sc_aux1.voll;
1298 cp->un.value.level[1] = sc->sc_aux1.volr;
1299 error = 0;
1300 }
1301 break;
1302 case IW_AUX2_LVL:
1303 if (cp->type == AUDIO_MIXER_VALUE) {
1304 cp->un.value.num_channels = 2;
1305 cp->un.value.level[0] = sc->sc_aux2.voll;
1306 cp->un.value.level[1] = sc->sc_aux2.volr;
1307 error = 0;
1308 }
1309 break;
1310 case IW_LINE_OUT_LVL:
1311 if (cp->type == AUDIO_MIXER_VALUE) {
1312 cp->un.value.num_channels = 2;
1313 cp->un.value.level[0] = sc->sc_lineout.voll;
1314 cp->un.value.level[1] = sc->sc_lineout.volr;
1315 error = 0;
1316 }
1317 break;
1318 case IW_LINE_IN_LVL:
1319 if (cp->type == AUDIO_MIXER_VALUE) {
1320 cp->un.value.num_channels = 2;
1321 cp->un.value.level[0] = sc->sc_linein.voll;
1322 cp->un.value.level[1] = sc->sc_linein.volr;
1323 error = 0;
1324 }
1325 case IW_REC_LVL:
1326 if (cp->type == AUDIO_MIXER_VALUE) {
1327 cp->un.value.num_channels = 2;
1328 cp->un.value.level[0] = sc->sc_rec.voll;
1329 cp->un.value.level[1] = sc->sc_rec.volr;
1330 error = 0;
1331 }
1332 break;
1333
1334 case IW_DAC_LVL:
1335 if (cp->type == AUDIO_MIXER_VALUE) {
1336 cp->un.value.num_channels = 2;
1337 cp->un.value.level[0] = sc->sc_dac.voll;
1338 cp->un.value.level[1] = sc->sc_dac.volr;
1339 error = 0;
1340 }
1341 break;
1342
1343 case IW_LOOPBACK_LVL:
1344 if (cp->type == AUDIO_MIXER_VALUE) {
1345 cp->un.value.num_channels = 1;
1346 cp->un.value.level[0] = sc->sc_loopback.voll;
1347 error = 0;
1348 }
1349 break;
1350
1351 case IW_MONO_IN_LVL:
1352 if (cp->type == AUDIO_MIXER_VALUE) {
1353 cp->un.value.num_channels = 1;
1354 cp->un.value.level[0] = sc->sc_monoin.voll;
1355 error = 0;
1356 }
1357 break;
1358 case IW_RECORD_SOURCE:
1359 cp->un.ord = sc->sc_recsrcbits >> 6;
1360 error = 0;
1361 break;
1362 }
1363
1364 return error;
1365 }
1366
1367
1368
1369 int
1370 iw_query_devinfo(void *addr, mixer_devinfo_t *dip)
1371 {
1372
1373 switch (dip->index) {
1374 case IW_MIC_IN_LVL: /* Microphone */
1375 dip->type = AUDIO_MIXER_VALUE;
1376 dip->mixer_class = IW_INPUT_CLASS;
1377 dip->prev = AUDIO_MIXER_LAST;
1378 dip->next = AUDIO_MIXER_LAST;
1379 strcpy(dip->label.name, AudioNmicrophone);
1380 dip->un.v.num_channels = 2;
1381 strcpy(dip->un.v.units.name, AudioNvolume);
1382 break;
1383 case IW_AUX1_LVL:
1384 dip->type = AUDIO_MIXER_VALUE;
1385 dip->mixer_class = IW_INPUT_CLASS;
1386 dip->prev = AUDIO_MIXER_LAST;
1387 dip->next = AUDIO_MIXER_LAST;
1388 strcpy(dip->label.name, AudioNline);
1389 dip->un.v.num_channels = 2;
1390 strcpy(dip->un.v.units.name, AudioNvolume);
1391 break;
1392 case IW_AUX2_LVL:
1393 dip->type = AUDIO_MIXER_VALUE;
1394 dip->mixer_class = IW_INPUT_CLASS;
1395 dip->prev = AUDIO_MIXER_LAST;
1396 dip->next = AUDIO_MIXER_LAST;
1397 strcpy(dip->label.name, AudioNcd);
1398 dip->un.v.num_channels = 2;
1399 strcpy(dip->un.v.units.name, AudioNvolume);
1400 break;
1401 case IW_LINE_OUT_LVL:
1402 dip->type = AUDIO_MIXER_VALUE;
1403 dip->mixer_class = IW_OUTPUT_CLASS;
1404 dip->prev = AUDIO_MIXER_LAST;
1405 dip->next = AUDIO_MIXER_LAST;
1406 strcpy(dip->label.name, AudioNline);
1407 dip->un.v.num_channels = 2;
1408 strcpy(dip->un.v.units.name, AudioNvolume);
1409 break;
1410 case IW_DAC_LVL:
1411 dip->type = AUDIO_MIXER_VALUE;
1412 dip->mixer_class = IW_OUTPUT_CLASS;
1413 dip->prev = AUDIO_MIXER_LAST;
1414 dip->next = AUDIO_MIXER_LAST;
1415 strcpy(dip->label.name, AudioNdac);
1416 dip->un.v.num_channels = 2;
1417 strcpy(dip->un.v.units.name, AudioNvolume);
1418 break;
1419 case IW_LINE_IN_LVL:
1420 dip->type = AUDIO_MIXER_VALUE;
1421 dip->mixer_class = IW_INPUT_CLASS;
1422 dip->prev = AUDIO_MIXER_LAST;
1423 dip->next = AUDIO_MIXER_LAST;
1424 strcpy(dip->label.name, AudioNinput);
1425 dip->un.v.num_channels = 2;
1426 strcpy(dip->un.v.units.name, AudioNvolume);
1427 break;
1428 case IW_MONO_IN_LVL:
1429 dip->type = AUDIO_MIXER_VALUE;
1430 dip->mixer_class = IW_INPUT_CLASS;
1431 dip->prev = AUDIO_MIXER_LAST;
1432 dip->next = AUDIO_MIXER_LAST;
1433 strcpy(dip->label.name, AudioNmono);
1434 dip->un.v.num_channels = 1;
1435 strcpy(dip->un.v.units.name, AudioNvolume);
1436 break;
1437
1438 case IW_REC_LVL: /* record level */
1439 dip->type = AUDIO_MIXER_VALUE;
1440 dip->mixer_class = IW_RECORD_CLASS;
1441 dip->prev = AUDIO_MIXER_LAST;
1442 dip->next = AUDIO_MIXER_LAST;
1443 strcpy(dip->label.name, AudioNrecord);
1444 dip->un.v.num_channels = 2;
1445 strcpy(dip->un.v.units.name, AudioNvolume);
1446 break;
1447
1448 case IW_LOOPBACK_LVL:
1449 dip->type = AUDIO_MIXER_VALUE;
1450 dip->mixer_class = IW_RECORD_CLASS;
1451 dip->prev = AUDIO_MIXER_LAST;
1452 dip->next = AUDIO_MIXER_LAST;
1453 strcpy(dip->label.name, "filter");
1454 dip->un.v.num_channels = 1;
1455 strcpy(dip->un.v.units.name, AudioNvolume);
1456 break;
1457
1458 case IW_RECORD_SOURCE:
1459 dip->mixer_class = IW_RECORD_CLASS;
1460 dip->type = AUDIO_MIXER_ENUM;
1461 dip->prev = AUDIO_MIXER_LAST;
1462 dip->next = AUDIO_MIXER_LAST;
1463 strcpy(dip->label.name, AudioNsource);
1464 dip->un.e.num_mem = 4;
1465 strcpy(dip->un.e.member[0].label.name, AudioNline);
1466 dip->un.e.member[0].ord = IW_LINE_IN_SRC;
1467 strcpy(dip->un.e.member[1].label.name, "aux1");
1468 dip->un.e.member[1].ord = IW_AUX1_SRC;
1469 strcpy(dip->un.e.member[2].label.name, AudioNmicrophone);
1470 dip->un.e.member[2].ord = IW_MIC_IN_SRC;
1471 strcpy(dip->un.e.member[3].label.name, AudioNmixerout);
1472 dip->un.e.member[3].ord = IW_MIX_OUT_SRC;
1473 break;
1474 case IW_INPUT_CLASS:
1475 dip->type = AUDIO_MIXER_CLASS;
1476 dip->mixer_class = IW_INPUT_CLASS;
1477 dip->next = dip->prev = AUDIO_MIXER_LAST;
1478 strcpy(dip->label.name, AudioCinputs);
1479 break;
1480 case IW_OUTPUT_CLASS:
1481 dip->type = AUDIO_MIXER_CLASS;
1482 dip->mixer_class = IW_OUTPUT_CLASS;
1483 dip->next = dip->prev = AUDIO_MIXER_LAST;
1484 strcpy(dip->label.name, AudioCoutputs);
1485 break;
1486 case IW_RECORD_CLASS: /* record source class */
1487 dip->type = AUDIO_MIXER_CLASS;
1488 dip->mixer_class = IW_RECORD_CLASS;
1489 dip->next = dip->prev = AUDIO_MIXER_LAST;
1490 strcpy(dip->label.name, AudioCrecord);
1491 return 0;
1492 default:
1493 return ENXIO;
1494 }
1495 return 0;
1496 }
1497
1498
1499 void *
1500 iw_malloc(void *addr, int direction, size_t size)
1501 {
1502 struct iw_softc *sc;
1503 int drq;
1504
1505 sc = addr;
1506 if (direction == AUMODE_PLAY)
1507 drq = sc->sc_playdrq;
1508 else
1509 drq = sc->sc_recdrq;
1510 return isa_malloc(sc->sc_ic, drq, size, M_DEVBUF, M_WAITOK);
1511 }
1512
1513 void
1514 iw_free(void *addr, void *ptr, size_t size)
1515 {
1516
1517 isa_free(ptr, M_DEVBUF);
1518 }
1519
1520 size_t
1521 iw_round_buffersize(void *addr, int direction, size_t size)
1522 {
1523 struct iw_softc *sc;
1524 bus_size_t maxsize;
1525
1526 sc = addr;
1527 if (direction == AUMODE_PLAY)
1528 maxsize = sc->sc_play_maxsize;
1529 else
1530 maxsize = sc->sc_rec_maxsize;
1531
1532 if (size > maxsize)
1533 size = maxsize;
1534 return size;
1535 }
1536
1537 paddr_t
1538 iw_mappage(void *addr, void *mem, off_t off, int prot)
1539 {
1540
1541 return isa_mappage(mem, off, prot);
1542 }
1543
1544 int
1545 iw_get_props(void *addr)
1546 {
1547 struct iw_softc *sc;
1548
1549 sc = addr;
1550 return AUDIO_PROP_MMAP |
1551 (sc->sc_fullduplex ? AUDIO_PROP_FULLDUPLEX : 0);
1552 }
1553
1554 void
1555 iw_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
1556 {
1557 struct iw_softc *sc;
1558
1559 sc = addr;
1560 *intr = &sc->sc_intr_lock;
1561 *thread = &sc->sc_lock;
1562 }
1563