interwave.c revision 1.41 1 /* $NetBSD: interwave.c,v 1.41 2019/05/08 13:40:18 isaki 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 1.41 2019/05/08 13:40:18 isaki 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/audio_if.h>
52
53 #include <dev/isa/isavar.h>
54 #include <dev/isa/isadmavar.h>
55
56 #include <dev/ic/interwavereg.h>
57 #include <dev/ic/interwavevar.h>
58
59
60 static void iwreset(struct iw_softc *, int);
61
62 static int iw_set_speed(struct iw_softc *, u_long, char);
63 static u_long iw_set_format(struct iw_softc *, u_long, int);
64 static void iw_mixer_line_level(struct iw_softc *, int, int, int);
65 static void iw_trigger_dma(struct iw_softc *, u_char);
66 static void iw_stop_dma(struct iw_softc *, u_char, u_char);
67 static void iw_dma_count(struct iw_softc *, u_short, int);
68 static int iwintr(void *);
69 static void iw_meminit(struct iw_softc *);
70 static void iw_mempoke(struct iw_softc *, u_long, u_char);
71 static u_char iw_mempeek(struct iw_softc *, u_long);
72
73 #ifdef USE_WAVETABLE
74 static void iw_set_voice_place(struct iw_softc *, u_char, u_long);
75 static void iw_voice_pan(struct iw_softc *, u_char, u_short, u_short);
76 static void iw_voice_freq(struct iw_softc *, u_char, u_long);
77 static void iw_set_loopmode(struct iw_softc *, u_char, u_char, u_char);
78 static void iw_set_voice_pos(struct iw_softc *, u_short, u_long, u_long);
79 static void iw_start_voice(struct iw_softc *, u_char);
80 static void iw_play_voice(struct iw_softc *, u_long, u_long, u_short);
81 static void iw_stop_voice(struct iw_softc *, u_char);
82 static void iw_move_voice_end(struct iw_softc *, u_short, u_long);
83 static void iw_initvoices(struct iw_softc *);
84 #endif
85
86 struct audio_device iw_device = {
87 "Am78C201",
88 "0.1",
89 "guspnp"
90 };
91
92 /* The HW supports more formats but only SLINEAR_NE/16/2ch is enough. */
93 static const struct audio_format iw_formats[] = {
94 {
95 .mode = AUMODE_PLAY | AUMODE_RECORD,
96 .encoding = AUDIO_ENCODING_SLINEAR_NE,
97 .validbits = 16,
98 .precision = 16,
99 .channels = 2,
100 .channel_mask = AUFMT_STEREO,
101 .frequency_type = 16,
102 .frequency = {
103 5510, 6620, 8000, 9600, 11025,
104 16000, 18900, 22050, 27420, 32000,
105 33075, 37800, 38400, 44100, 44800, 48000,
106 },
107 },
108 };
109 #define IW_NFORMATS __arraycount(iw_formats)
110
111 #ifdef AUDIO_DEBUG
112 int iw_debug;
113 #define DPRINTF(p) if (iw_debug) printf p
114 #else
115 #define DPRINTF(p)
116 #endif
117
118 static int iw_cc = 1;
119 #ifdef DIAGNOSTIC
120 static int outputs = 0;
121 static int iw_ints = 0;
122 static int inputs = 0;
123 static int iw_inints = 0;
124 #endif
125
126 int
127 iwintr(void *arg)
128 {
129 struct iw_softc *sc;
130 int val;
131 u_char intrs;
132
133 sc = arg;
134 val = 0;
135 intrs = 0;
136
137 mutex_spin_enter(&sc->sc_intr_lock);
138
139 IW_READ_DIRECT_1(6, sc->p2xr_h, intrs); /* UISR */
140
141 /* codec ints */
142
143 /*
144 * The proper order to do this seems to be to read CSR3 to get the
145 * int cause and fifo over underrrun status, then deal with the ints
146 * (new DMA set up), and to clear ints by writing the respective bit
147 * to 0.
148 */
149
150 /* read what ints happened */
151
152 IW_READ_CODEC_1(CSR3I, intrs);
153
154 /* clear them */
155
156 IW_WRITE_DIRECT_1(2, sc->codec_index_h, 0x00);
157
158 /* and process them */
159
160 if (intrs & 0x20) {
161 #ifdef DIAGNOSTIC
162 iw_inints++;
163 #endif
164 if (sc->sc_recintr != 0)
165 sc->sc_recintr(sc->sc_recarg);
166 val = 1;
167 }
168 if (intrs & 0x10) {
169 #ifdef DIAGNOSTIC
170 iw_ints++;
171 #endif
172 if (sc->sc_playintr != 0)
173 sc->sc_playintr(sc->sc_playarg);
174 val = 1;
175 }
176
177 mutex_spin_exit(&sc->sc_intr_lock);
178
179 return val;
180 }
181
182 void
183 iwattach(struct iw_softc *sc)
184 {
185 int got_irq;
186
187 DPRINTF(("iwattach sc %p\n", sc));
188 got_irq = 0;
189
190 sc->cdatap = 1; /* relative offsets in region */
191 sc->csr1r = 2;
192 sc->cxdr = 3; /* CPDR or CRDR */
193
194 sc->gmxr = 0; /* sc->p3xr */
195 sc->gmxdr = 1; /* GMTDR or GMRDR */
196 sc->svsr = 2;
197 sc->igidxr = 3;
198 sc->i16dp = 4;
199 sc->i8dp = 5;
200 sc->lmbdr = 7;
201
202 sc->rec_precision = sc->play_precision = 8;
203 sc->rec_channels = sc->play_channels = 1;
204 sc->rec_encoding = sc->play_encoding = AUDIO_ENCODING_ULAW;
205 sc->sc_irate = 8000;
206 sc->sc_orate = 8000;
207
208 sc->sc_fullduplex = 1;
209
210 sc->sc_dma_flags = 0;
211
212 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
213 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
214
215 aprint_naive("\n");
216 /*
217 * We can only use a few selected irqs, see if we got one from pnp
218 * code that suits us.
219 */
220
221 if (sc->sc_irq > 0) {
222 sc->sc_ih = isa_intr_establish(sc->sc_p2xr_ic,
223 sc->sc_irq, IST_EDGE, IPL_AUDIO, iwintr, sc);
224 got_irq = 1;
225 }
226 if (!got_irq) {
227 aprint_error("\niwattach: couldn't get a suitable irq\n");
228 mutex_destroy(&sc->sc_lock);
229 mutex_destroy(&sc->sc_intr_lock);
230 return;
231 }
232 aprint_normal("\n");
233 iwreset(sc, 0);
234 iw_set_format(sc, AUDIO_ENCODING_ULAW, 0);
235 iw_set_format(sc, AUDIO_ENCODING_ULAW, 1);
236 aprint_normal("%s: interwave version %s\n",
237 device_xname(sc->sc_dev), iw_device.version);
238 audio_attach_mi(sc->iw_hw_if, sc, sc->sc_dev);
239 }
240
241 int
242 iwopen(struct iw_softc *sc, int flags)
243 {
244
245 DPRINTF(("iwopen: sc %p\n", sc));
246
247 #ifdef DIAGNOSTIC
248 outputs = 0;
249 iw_ints = 0;
250 inputs = 0;
251 iw_inints = 0;
252 #endif
253
254 iwreset(sc, 1);
255
256 return 0;
257 }
258
259 void
260 iwclose(void *addr)
261 {
262
263 DPRINTF(("iwclose sc %p\n", addr));
264 #ifdef DIAGNOSTIC
265 DPRINTF(("iwclose: outputs %d ints %d inputs %d in_ints %d\n",
266 outputs, iw_ints, inputs, iw_inints));
267 #endif
268 }
269
270 #define RAM_STEP 64*1024
271
272 static void
273 iw_mempoke(struct iw_softc *sc, u_long addy, u_char val)
274 {
275
276 IW_WRITE_GENERAL_2(LMALI, (u_short) addy);
277 IW_WRITE_GENERAL_1(LMAHI, (u_char) (addy >> 16));
278
279 /* Write byte to LMBDR */
280 IW_WRITE_DIRECT_1(sc->p3xr + 7, sc->p3xr_h, val);
281 }
282
283 static u_char
284 iw_mempeek(struct iw_softc *sc, u_long addy)
285 {
286 u_char ret;
287
288 IW_WRITE_GENERAL_2(LMALI, (u_short) addy);
289 IW_WRITE_GENERAL_1(LMAHI, (u_char) (addy >> 16));
290
291 IW_READ_DIRECT_1(sc->p3xr + 7, sc->p3xr_h, ret);
292 return ret; /* return byte from LMBDR */
293 }
294
295 static void
296 iw_meminit(struct iw_softc *sc)
297 {
298 u_long bank[4] = {0L, 0L, 0L, 0L};
299 u_long addr, base, cnt;
300 u_char i, ram /* ,memval=0 */ ;
301 u_short lmcfi;
302 u_long temppi;
303 u_long *lpbanks;
304
305 addr = 0L;
306 base = 0L;
307 cnt = 0L;
308 ram = 0;
309 lpbanks = &temppi;
310
311 IW_WRITE_GENERAL_1(LDMACI, 0x00);
312
313 IW_READ_GENERAL_2(LMCFI, lmcfi); /* 0x52 */
314 lmcfi |= 0x0A0C;
315 IW_WRITE_GENERAL_2(LMCFI, lmcfi); /* max addr span */
316 IW_WRITE_GENERAL_1(LMCI, 0x00);
317
318 /* fifo addresses */
319
320 IW_WRITE_GENERAL_2(LMRFAI, ((4 * 1024 * 1024) >> 8));
321 IW_WRITE_GENERAL_2(LMPFAI, ((4 * 1024 * 1024 + 16 * 1024) >> 8));
322
323 IW_WRITE_GENERAL_2(LMFSI, 0x000);
324
325 IW_WRITE_GENERAL_2(LDICI, 0x0000);
326
327 while (addr < (16 * 1024 * 1024)) {
328 iw_mempoke(sc, addr, 0x00);
329 addr += RAM_STEP;
330 }
331
332 printf("%s:", device_xname(sc->sc_dev));
333
334 for (i = 0; i < 4; i++) {
335 iw_mempoke(sc, base, 0xAA); /* mark start of bank */
336 iw_mempoke(sc, base + 1L, 0x55);
337 if (iw_mempeek(sc, base) == 0xAA &&
338 iw_mempeek(sc, base + 1L) == 0x55)
339 ram = 1;
340 if (ram) {
341 while (cnt < (4 * 1024 * 1024)) {
342 bank[i] += RAM_STEP;
343 cnt += RAM_STEP;
344 addr = base + cnt;
345 if (iw_mempeek(sc, addr) == 0xAA)
346 break;
347 }
348 }
349 if (lpbanks != NULL) {
350 *lpbanks = bank[i];
351 lpbanks++;
352 }
353 bank[i] = bank[i] >> 10;
354 printf("%s bank[%d]: %ldK", i ? "," : "", i, bank[i]);
355 base += 4 * 1024 * 1024;
356 cnt = 0L;
357 ram = 0;
358 }
359
360 printf("\n");
361
362 /*
363 * this is not really useful since GUS PnP supports memory
364 * configurations that aren't really supported by Interwave...beware
365 * of holes! Also, we don't use the memory for anything in this
366 * version of the driver.
367 *
368 * we've configured for 4M-4M-4M-4M
369 */
370 }
371
372 static void
373 iwreset(struct iw_softc *sc, int warm)
374 {
375 u_char reg, cmode, val, mixer_image;
376
377 val = 0;
378 mixer_image = 0;
379 reg = 0; /* XXX gcc -Wall */
380
381 cmode = 0x6c; /* enhanced codec mode (full duplex) */
382
383 /* reset */
384
385 IW_WRITE_GENERAL_1(URSTI, 0x00);
386 delay(10);
387 IW_WRITE_GENERAL_1(URSTI, 0x07);
388 IW_WRITE_GENERAL_1(ICMPTI, 0x1f); /* disable DSP and uici and
389 * udci writes */
390 IW_WRITE_GENERAL_1(IDECI, 0x7f); /* enable ints to ISA and
391 * codec access */
392 IW_READ_GENERAL_1(IVERI, reg);
393 IW_WRITE_GENERAL_1(IVERI, reg | 0x01); /* hidden reg lock disable */
394 IW_WRITE_GENERAL_1(UASBCI, 0x00);
395
396 /* synth enhanced mode (default), 0 active voices, disable ints */
397
398 IW_WRITE_GENERAL_1(SGMI_WR, 0x01); /* enhanced mode, LFOs
399 * disabled */
400 for (val = 0; val < 32; val++) {
401 /* set each synth sound volume to 0 */
402 IW_WRITE_DIRECT_1(sc->p3xr + 2, sc->p3xr_h, val);
403 IW_WRITE_GENERAL_1(SVSI_WR, 0x00);
404 IW_WRITE_GENERAL_2(SASLI_WR, 0x0000);
405 IW_WRITE_GENERAL_2(SASHI_WR, 0x0000);
406 IW_WRITE_GENERAL_2(SAELI_WR, 0x0000);
407 IW_WRITE_GENERAL_2(SAEHI_WR, 0x0000);
408 IW_WRITE_GENERAL_2(SFCI_WR, 0x0000);
409 IW_WRITE_GENERAL_1(SACI_WR, 0x02);
410 IW_WRITE_GENERAL_1(SVSI_WR, 0x00);
411 IW_WRITE_GENERAL_1(SVEI_WR, 0x00);
412 IW_WRITE_GENERAL_2(SVLI_WR, 0x0000);
413 IW_WRITE_GENERAL_1(SVCI_WR, 0x02);
414 IW_WRITE_GENERAL_1(SMSI_WR, 0x02);
415 }
416
417 IW_WRITE_GENERAL_1(SAVI_WR, 0x00);
418
419 /* codec mode/init */
420
421 /* first change mode to 1 */
422
423 IW_WRITE_CODEC_1(CMODEI, 0x00);
424
425 /* and mode 3 */
426
427 IW_WRITE_CODEC_1(CMODEI, cmode);
428
429 IW_READ_CODEC_1(CMODEI, reg);
430
431 DPRINTF(("cmode %x\n", reg));
432
433 sc->revision = ((reg & 0x80) >> 3) | (reg & 0x0f);
434
435 IW_WRITE_DIRECT_1(sc->codec_index + 2, sc->p2xr_h, 0x00);
436
437 IW_WRITE_CODEC_1(CFIG1I | IW_MCE, 0x00); /* DMA 2 chan access */
438 IW_WRITE_CODEC_1(CEXTI, 0x00); /* disable ints for now */
439
440
441 IW_WRITE_CODEC_1(CLPCTI, 0x00); /* reset playback sample counters */
442 IW_WRITE_CODEC_1(CUPCTI, 0x00); /* always upper byte last */
443 IW_WRITE_CODEC_1(CFIG2I, 0x80); /* full voltage range, enable record
444 * and playback sample counters, and
445 * don't center output in case or
446 * FIFO underrun */
447 IW_WRITE_CODEC_1(CFIG3I, 0xc0); /* enable record/playback irq (still
448 * turned off from CEXTI), max DMA
449 * rate */
450 IW_WRITE_CODEC_1(CSR3I, 0x00); /* clear status 3 reg */
451
452
453 IW_WRITE_CODEC_1(CLRCTI, 0x00); /* reset record sample counters */
454 IW_WRITE_CODEC_1(CURCTI, 0x00); /* always upper byte last */
455
456
457 IW_READ_GENERAL_1(IVERI, reg);
458
459 sc->vers = reg >> 4;
460 if (!warm)
461 snprintf(iw_device.version, sizeof(iw_device.version), "%d.%d",
462 sc->vers, sc->revision);
463
464 IW_WRITE_GENERAL_1(IDECI, 0x7f); /* irqs and codec decode
465 * enable */
466
467
468 /* ports */
469
470 if (!warm) {
471 iw_mixer_line_level(sc, IW_LINE_OUT, 255, 255);
472 iw_mixer_line_level(sc, IW_LINE_IN, 0, 0);
473 iw_mixer_line_level(sc, IW_AUX1, 0, 0);
474 iw_mixer_line_level(sc, IW_AUX2, 200, 200); /* CD */
475 sc->sc_dac.off = 0;
476 iw_mixer_line_level(sc, IW_DAC, 200, 200);
477
478 iw_mixer_line_level(sc, IW_MIC_IN, 0, 0);
479 iw_mixer_line_level(sc, IW_REC, 0, 0);
480 iw_mixer_line_level(sc, IW_LOOPBACK, 0, 0);
481 iw_mixer_line_level(sc, IW_MONO_IN, 0, 0);
482
483 /* mem stuff */
484 iw_meminit(sc);
485
486 }
487 IW_WRITE_CODEC_1(CEXTI, 0x02); /* codec int enable */
488
489 /* clear _LDMACI */
490
491 IW_WRITE_GENERAL_1(LDMACI, 0x00);
492
493 /* enable mixer paths */
494 mixer_image = 0x0c;
495 IW_WRITE_DIRECT_1(sc->p2xr, sc->p2xr_h, mixer_image);
496 /*
497 * enable output, line in. disable mic in bit 0 = 0 -> line in on
498 * (from codec?) bit 1 = 0 -> output on bit 2 = 1 -> mic in on bit 3
499 * = 1 -> irq&drq pin enable bit 4 = 1 -> channel interrupts to chan
500 * 1 bit 5 = 1 -> enable midi loop back bit 6 = 0 -> irq latches
501 * URCR[2:0] bit 6 = 1 -> DMA latches URCR[2:0]
502 */
503
504
505 IW_READ_DIRECT_1(sc->p2xr, sc->p2xr_h, mixer_image);
506 #ifdef AUDIO_DEBUG
507 if (!warm)
508 DPRINTF(("mix image %x \n", mixer_image));
509 #endif
510 }
511
512 struct iw_codec_freq {
513 u_long freq;
514 u_char bits;
515 };
516
517 int
518 iw_set_speed(struct iw_softc *sc, u_long freq, char in)
519 {
520 u_char var, cfig3, reg;
521
522 static struct iw_codec_freq iw_cf[17] = {
523 #define FREQ_1 24576000
524 #define FREQ_2 16934400
525 #define XTAL1 0
526 #define XTAL2 1
527 {5510, 0x00 | XTAL2}, {6620, 0x0E | XTAL2},
528 {8000, 0x00 | XTAL1}, {9600, 0x0E | XTAL1},
529 {11025, 0x02 | XTAL2}, {16000, 0x02 | XTAL1},
530 {18900, 0x04 | XTAL2}, {22050, 0x06 | XTAL2},
531 {27420, 0x04 | XTAL1}, {32000, 0x06 | XTAL1},
532 {33075, 0x0C | XTAL2}, {37800, 0x08 | XTAL2},
533 {38400, 0x0A | XTAL1}, {44100, 0x0A | XTAL2},
534 {44800, 0x08 | XTAL1}, {48000, 0x0C | XTAL1},
535 {48000, 0x0C | XTAL1} /* really a dummy for indexing later */
536 #undef XTAL1
537 #undef XTAL2
538 };
539
540 cfig3 = 0; /* XXX gcc -Wall */
541
542 /*
543 * if the frequency is between 3493 Hz and 32 kHz we can use a more
544 * accurate frequency than the ones listed above base on the formula
545 * FREQ/((16*(48+x))) where FREQ is either FREQ_1 (24576000Hz) or
546 * FREQ_2 (16934400Hz) and x is the value to be written to either
547 * CPVFI or CRVFI. To enable this option, bit 2 in CFIG3 needs to be
548 * set high
549 *
550 * NOT IMPLEMENTED!
551 *
552 * Note that if you have a 'bad' XTAL_1 (higher than 18.5 MHz), 44.8 kHz
553 * and 38.4 kHz modes will provide wrong frequencies to output.
554 */
555
556
557 if (freq > 48000)
558 freq = 48000;
559 if (freq < 5510)
560 freq = 5510;
561
562 /* reset CFIG3[2] */
563
564 IW_READ_CODEC_1(CFIG3I, cfig3);
565
566 cfig3 |= 0xc0; /* not full fifo treshhold */
567
568 DPRINTF(("cfig3i = %x -> ", cfig3));
569
570 cfig3 &= ~0x04;
571 IW_WRITE_CODEC_1(CFIG3I, cfig3);
572 IW_READ_CODEC_1(CFIG3I, cfig3);
573
574 DPRINTF(("%x\n", cfig3));
575
576 for (var = 0; var < 16; var++) /* select closest frequency */
577 if (freq <= iw_cf[var].freq)
578 break;
579 if (var != 16)
580 if (abs(freq - iw_cf[var].freq) > abs(iw_cf[var + 1].freq - freq))
581 var++;
582
583 if (in)
584 IW_WRITE_CODEC_1(CRDFI | IW_MCE, sc->recfmtbits | iw_cf[var].bits);
585 else
586 IW_WRITE_CODEC_1(CPDFI | IW_MCE, sc->playfmtbits | iw_cf[var].bits);
587 freq = iw_cf[var].freq;
588 DPRINTF(("setting %s frequency to %d bits %x \n",
589 in ? "in" : "out", (int) freq, iw_cf[var].bits));
590
591 IW_READ_CODEC_1(CPDFI, reg);
592
593 DPRINTF((" CPDFI %x ", reg));
594
595 IW_READ_CODEC_1(CRDFI, reg);
596
597 DPRINTF((" CRDFI %x ", reg));
598 __USE(reg);
599
600 return freq;
601 }
602
603 int
604 iw_query_format(void *addr, audio_format_query_t *afp)
605 {
606
607 return audio_query_format(iw_formats, IW_NFORMATS, afp);
608 }
609
610 static u_long
611 iw_set_format(struct iw_softc *sc, u_long precision, int in)
612 {
613 u_char data;
614 int encoding, channels;
615
616 encoding = in ? sc->rec_encoding : sc->play_encoding;
617 channels = in ? sc->rec_channels : sc->play_channels;
618
619 DPRINTF(("iw_set_format\n"));
620
621 switch (encoding) {
622 case AUDIO_ENCODING_ULAW:
623 data = 0x00;
624 break;
625
626 case AUDIO_ENCODING_ALAW:
627 data = 0x00;
628 break;
629
630 case AUDIO_ENCODING_SLINEAR_LE:
631 if (precision == 16)
632 data = 0x40; /* little endian. 0xc0 is big endian */
633 else
634 data = 0x00;
635 break;
636
637 case AUDIO_ENCODING_SLINEAR_BE:
638 if (precision == 16)
639 data = 0xc0;
640 else
641 data = 0x00;
642 break;
643
644 case AUDIO_ENCODING_ADPCM:
645 data = 0xa0;
646 break;
647
648 default:
649 return -1;
650 }
651
652 if (channels == 2)
653 data |= 0x10; /* stereo */
654
655 if (in) {
656 /* in */
657 sc->recfmtbits = data;
658 /* This will zero the normal codec frequency,
659 * iw_set_speed should always be called afterwards.
660 */
661 IW_WRITE_CODEC_1(CRDFI | IW_MCE, data);
662 } else {
663 /* out */
664 sc->playfmtbits = data;
665 IW_WRITE_CODEC_1(CPDFI | IW_MCE, data);
666 }
667
668 DPRINTF(("formatbits %s %x", in ? "in" : "out", data));
669
670 return encoding;
671 }
672
673 int
674 iw_audio_set_format(void *addr, int setmode,
675 const audio_params_t *p, const audio_params_t *q,
676 audio_filter_reg_t *pfil, audio_filter_reg_t *rfil)
677 {
678 struct iw_softc *sc;
679
680 DPRINTF(("%s: code %u, prec %u, rate %u, chan %u\n", __func__,
681 p->encoding, p->precision, p->sample_rate, p->channels));
682 sc = addr;
683
684 if (setmode & AUMODE_PLAY) {
685 sc->play_channels = p->channels;
686 sc->play_encoding = p->encoding;
687 sc->play_precision = p->precision;
688 iw_set_format(sc, p->precision, 0);
689 sc->sc_orate = iw_set_speed(sc, p->sample_rate, 0);
690 } else {
691 sc->rec_channels = q->channels;
692 sc->rec_encoding = q->encoding;
693 sc->rec_precision = q->precision;
694 /* XXX Is this 'p' a typo of 'q' ? */
695 iw_set_format(sc, p->precision, 1);
696 sc->sc_irate = iw_set_speed(sc, q->sample_rate, 1);
697 }
698 return 0;
699 }
700
701 int
702 iw_round_blocksize(void *addr, int blk, int mode,
703 const audio_params_t *param)
704 {
705
706 /* Round to a multiple of the biggest sample size. */
707 return blk & -4;
708 }
709
710 void
711 iw_mixer_line_level(struct iw_softc *sc, int line, int levl, int levr)
712 {
713 u_char gainl, gainr, attenl, attenr;
714
715 switch (line) {
716 case IW_REC:
717 gainl = sc->sc_recsrcbits | (levl >> 4);
718 gainr = sc->sc_recsrcbits | (levr >> 4);
719 DPRINTF(("recording with %x", gainl));
720 IW_WRITE_CODEC_1(CLICI, gainl);
721 IW_WRITE_CODEC_1(CRICI, gainr);
722 sc->sc_rec.voll = levl & 0xf0;
723 sc->sc_rec.volr = levr & 0xf0;
724 break;
725
726 case IW_AUX1:
727
728 gainl = (255 - levl) >> 3;
729 gainr = (255 - levr) >> 3;
730
731 /* mute if 0 level */
732 if (levl == 0)
733 gainl |= 0x80;
734 if (levr == 0)
735 gainr |= 0x80;
736
737 IW_WRITE_CODEC_1(IW_LEFT_AUX1_PORT, gainl);
738 IW_WRITE_CODEC_1(IW_RIGHT_AUX1_PORT, gainr);
739 sc->sc_aux1.voll = levl & 0xf8;
740 sc->sc_aux1.volr = levr & 0xf8;
741
742 break;
743
744 case IW_AUX2:
745
746 gainl = (255 - levl) >> 3;
747 gainr = (255 - levr) >> 3;
748
749 /* mute if 0 level */
750 if (levl == 0)
751 gainl |= 0x80;
752 if (levr == 0)
753 gainr |= 0x80;
754
755 IW_WRITE_CODEC_1(IW_LEFT_AUX2_PORT, gainl);
756 IW_WRITE_CODEC_1(IW_RIGHT_AUX2_PORT, gainr);
757 sc->sc_aux2.voll = levl & 0xf8;
758 sc->sc_aux2.volr = levr & 0xf8;
759 break;
760 case IW_DAC:
761 attenl = ((255 - levl) >> 2) | ((levl && !sc->sc_dac.off) ? 0 : 0x80);
762 attenr = ((255 - levr) >> 2) | ((levr && !sc->sc_dac.off) ? 0 : 0x80);
763 IW_WRITE_CODEC_1(CLDACI, attenl);
764 IW_WRITE_CODEC_1(CRDACI, attenr);
765 sc->sc_dac.voll = levl & 0xfc;
766 sc->sc_dac.volr = levr & 0xfc;
767 break;
768 case IW_LOOPBACK:
769 attenl = ((255 - levl) & 0xfc) | (levl ? 0x01 : 0);
770 IW_WRITE_CODEC_1(CLCI, attenl);
771 sc->sc_loopback.voll = levl & 0xfc;
772 break;
773 case IW_LINE_IN:
774 gainl = (levl >> 3) | (levl ? 0 : 0x80);
775 gainr = (levr >> 3) | (levr ? 0 : 0x80);
776 IW_WRITE_CODEC_1(CLLICI, gainl);
777 IW_WRITE_CODEC_1(CRLICI, gainr);
778 sc->sc_linein.voll = levl & 0xf8;
779 sc->sc_linein.volr = levr & 0xf8;
780 break;
781 case IW_MIC_IN:
782 gainl = ((255 - levl) >> 3) | (levl ? 0 : 0x80);
783 gainr = ((255 - levr) >> 3) | (levr ? 0 : 0x80);
784 IW_WRITE_CODEC_1(CLMICI, gainl);
785 IW_WRITE_CODEC_1(CRMICI, gainr);
786 sc->sc_mic.voll = levl & 0xf8;
787 sc->sc_mic.volr = levr & 0xf8;
788 break;
789 case IW_LINE_OUT:
790 attenl = ((255 - levl) >> 3) | (levl ? 0 : 0x80);
791 attenr = ((255 - levr) >> 3) | (levr ? 0 : 0x80);
792 IW_WRITE_CODEC_1(CLOAI, attenl);
793 IW_WRITE_CODEC_1(CROAI, attenr);
794 sc->sc_lineout.voll = levl & 0xf8;
795 sc->sc_lineout.volr = levr & 0xf8;
796 break;
797 case IW_MONO_IN:
798 attenl = ((255 - levl) >> 4) | (levl ? 0 : 0xc0); /* in/out mute */
799 IW_WRITE_CODEC_1(CMONOI, attenl);
800 sc->sc_monoin.voll = levl & 0xf0;
801 break;
802 }
803 }
804
805 int
806 iw_commit_settings(void *addr)
807 {
808
809 return 0;
810 }
811
812 void
813 iw_trigger_dma(struct iw_softc *sc, u_char io)
814 {
815 u_char reg;
816
817 IW_READ_CODEC_1(CSR3I, reg);
818 IW_WRITE_CODEC_1(CSR3I, reg & ~(io == IW_DMA_PLAYBACK ? 0x10 : 0x20));
819
820 IW_READ_CODEC_1(CFIG1I, reg);
821
822 IW_WRITE_CODEC_1(CFIG1I, reg | io);
823
824 /* let the counter run */
825 IW_READ_CODEC_1(CFIG2I, reg);
826 IW_WRITE_CODEC_1(CFIG2I, reg & ~(io << 4));
827 }
828
829 void
830 iw_stop_dma(struct iw_softc *sc, u_char io, u_char hard)
831 {
832 u_char reg;
833
834 /* just stop the counter, no need to flush the fifo */
835 IW_READ_CODEC_1(CFIG2I, reg);
836 IW_WRITE_CODEC_1(CFIG2I, (reg | (io << 4)));
837
838 if (hard) {
839 /* unless we're closing the device */
840 IW_READ_CODEC_1(CFIG1I, reg);
841 IW_WRITE_CODEC_1(CFIG1I, reg & ~io);
842 }
843 }
844
845 void
846 iw_dma_count(struct iw_softc *sc, u_short count, int io)
847 {
848
849 if (io == IW_DMA_PLAYBACK) {
850 IW_WRITE_CODEC_1(CLPCTI, (u_char) (count & 0x00ff));
851 IW_WRITE_CODEC_1(CUPCTI, (u_char) ((count >> 8) & 0x00ff));
852 } else {
853 IW_WRITE_CODEC_1(CLRCTI, (u_char) (count & 0x00ff));
854 IW_WRITE_CODEC_1(CURCTI, (u_char) ((count >> 8) & 0x00ff));
855 }
856 }
857
858 int
859 iw_init_output(void *addr, void *sbuf, int cc)
860 {
861 struct iw_softc *sc = (struct iw_softc *) addr;
862
863 DPRINTF(("iw_init_output\n"));
864
865 isa_dmastart(sc->sc_ic, sc->sc_playdrq, sbuf,
866 cc, NULL, DMAMODE_WRITE | DMAMODE_LOOP, BUS_DMA_NOWAIT);
867 return 0;
868 }
869
870 int
871 iw_init_input(void *addr, void *sbuf, int cc)
872 {
873 struct iw_softc *sc;
874
875 DPRINTF(("iw_init_input\n"));
876 sc = (struct iw_softc *) addr;
877 isa_dmastart(sc->sc_ic, sc->sc_recdrq, sbuf,
878 cc, NULL, DMAMODE_READ | DMAMODE_LOOP, BUS_DMA_NOWAIT);
879 return 0;
880 }
881
882
883 int
884 iw_start_output(void *addr, void *p, int cc, void (*intr)(void *), void *arg)
885 {
886 struct iw_softc *sc;
887
888 #ifdef DIAGNOSTIC
889 if (!intr) {
890 printf("iw_start_output: no callback!\n");
891 return 1;
892 }
893 #endif
894 sc = addr;
895 sc->sc_playintr = intr;
896 sc->sc_playarg = arg;
897 sc->sc_dma_flags |= DMAMODE_WRITE;
898 sc->sc_playdma_bp = p;
899
900 isa_dmastart(sc->sc_ic, sc->sc_playdrq, sc->sc_playdma_bp,
901 cc, NULL, DMAMODE_WRITE, BUS_DMA_NOWAIT);
902
903
904 if (sc->play_encoding == AUDIO_ENCODING_ADPCM)
905 cc >>= 2;
906 if (sc->play_precision == 16)
907 cc >>= 1;
908
909 if (sc->play_channels == 2 && sc->play_encoding != AUDIO_ENCODING_ADPCM)
910 cc >>= 1;
911
912 cc -= iw_cc;
913
914 /* iw_dma_access(sc,1); */
915 if (cc != sc->sc_playdma_cnt) {
916 iw_dma_count(sc, (u_short) cc, IW_DMA_PLAYBACK);
917 sc->sc_playdma_cnt = cc;
918
919 iw_trigger_dma(sc, IW_DMA_PLAYBACK);
920 }
921
922 #ifdef DIAGNOSTIC
923 if (outputs != iw_ints)
924 printf("iw_start_output: out %d, int %d\n", outputs, iw_ints);
925 outputs++;
926 #endif
927
928 return 0;
929 }
930
931
932 int
933 iw_start_input(void *addr, void *p, int cc, void (*intr)(void *), void *arg)
934 {
935 struct iw_softc *sc;
936
937 #ifdef DIAGNOSTIC
938 if (!intr) {
939 printf("iw_start_input: no callback!\n");
940 return 1;
941 }
942 #endif
943 sc = addr;
944 sc->sc_recintr = intr;
945 sc->sc_recarg = arg;
946 sc->sc_dma_flags |= DMAMODE_READ;
947 sc->sc_recdma_bp = p;
948
949 isa_dmastart(sc->sc_ic, sc->sc_recdrq, sc->sc_recdma_bp,
950 cc, NULL, DMAMODE_READ, BUS_DMA_NOWAIT);
951
952
953 if (sc->rec_encoding == AUDIO_ENCODING_ADPCM)
954 cc >>= 2;
955 if (sc->rec_precision == 16)
956 cc >>= 1;
957
958 if (sc->rec_channels == 2 && sc->rec_encoding != AUDIO_ENCODING_ADPCM)
959 cc >>= 1;
960
961 cc -= iw_cc;
962
963 /* iw_dma_access(sc,0); */
964 if (sc->sc_recdma_cnt != cc) {
965 iw_dma_count(sc, (u_short) cc, IW_DMA_RECORD);
966 sc->sc_recdma_cnt = cc;
967 /* iw_dma_ctrl(sc, IW_DMA_RECORD); */
968 iw_trigger_dma(sc, IW_DMA_RECORD);
969 }
970
971 #ifdef DIAGNOSTIC
972 if ((inputs != iw_inints))
973 printf("iw_start_input: in %d, inints %d\n", inputs, iw_inints);
974 inputs++;
975 #endif
976
977 return 0;
978 }
979
980
981 int
982 iw_halt_output(void *addr)
983 {
984 struct iw_softc *sc;
985
986 sc = addr;
987 iw_stop_dma(sc, IW_DMA_PLAYBACK, 0);
988 return 0;
989 }
990
991
992 int
993 iw_halt_input(void *addr)
994 {
995 struct iw_softc *sc;
996
997 sc = addr;
998 iw_stop_dma(sc, IW_DMA_RECORD, 0);
999 return 0;
1000 }
1001
1002 int
1003 iw_speaker_ctl(void *addr, int newstate)
1004 {
1005 struct iw_softc *sc;
1006 u_char reg;
1007
1008 sc = addr;
1009 if (newstate == SPKR_ON) {
1010 sc->sc_dac.off = 0;
1011 IW_READ_CODEC_1(CLDACI, reg);
1012 IW_WRITE_CODEC_1(CLDACI, reg & 0x7f);
1013 IW_READ_CODEC_1(CRDACI, reg);
1014 IW_WRITE_CODEC_1(CRDACI, reg & 0x7f);
1015 } else {
1016 /* SPKR_OFF */
1017 sc->sc_dac.off = 1;
1018 IW_READ_CODEC_1(CLDACI, reg);
1019 IW_WRITE_CODEC_1(CLDACI, reg | 0x80);
1020 IW_READ_CODEC_1(CRDACI, reg);
1021 IW_WRITE_CODEC_1(CRDACI, reg | 0x80);
1022 }
1023 return 0;
1024 }
1025
1026 int
1027 iw_getdev(void *addr, struct audio_device *retp)
1028 {
1029
1030 *retp = iw_device;
1031 return 0;
1032 }
1033
1034 /* Mixer (in/out ports) */
1035 int
1036 iw_set_port(void *addr, mixer_ctrl_t *cp)
1037 {
1038 struct iw_softc *sc;
1039 u_char vall, valr;
1040 int error;
1041
1042 sc = addr;
1043 vall = 0;
1044 valr = 0;
1045 error = EINVAL;
1046 switch (cp->dev) {
1047 case IW_MIC_IN_LVL:
1048 if (cp->type == AUDIO_MIXER_VALUE) {
1049 error = 0;
1050 if (cp->un.value.num_channels == 1) {
1051 vall = valr = cp->un.value.level[0];
1052 } else {
1053 vall = cp->un.value.level[0];
1054 valr = cp->un.value.level[1];
1055 }
1056 sc->sc_mic.voll = vall;
1057 sc->sc_mic.volr = valr;
1058 iw_mixer_line_level(sc, IW_MIC_IN, vall, valr);
1059 }
1060 break;
1061 case IW_AUX1_LVL:
1062 if (cp->type == AUDIO_MIXER_VALUE) {
1063 error = 0;
1064 if (cp->un.value.num_channels == 1) {
1065 vall = valr = cp->un.value.level[0];
1066 } else {
1067 vall = cp->un.value.level[0];
1068 valr = cp->un.value.level[1];
1069 }
1070 sc->sc_aux1.voll = vall;
1071 sc->sc_aux1.volr = valr;
1072 iw_mixer_line_level(sc, IW_AUX1, vall, valr);
1073 }
1074 break;
1075 case IW_AUX2_LVL:
1076 if (cp->type == AUDIO_MIXER_VALUE) {
1077 error = 0;
1078 if (cp->un.value.num_channels == 1) {
1079 vall = valr = cp->un.value.level[0];
1080 } else {
1081 vall = cp->un.value.level[0];
1082 valr = cp->un.value.level[1];
1083 }
1084 sc->sc_aux2.voll = vall;
1085 sc->sc_aux2.volr = valr;
1086 iw_mixer_line_level(sc, IW_AUX2, vall, valr);
1087 }
1088 break;
1089 case IW_LINE_IN_LVL:
1090 if (cp->type == AUDIO_MIXER_VALUE) {
1091 error = 0;
1092 if (cp->un.value.num_channels == 1) {
1093 vall = valr = cp->un.value.level[0];
1094 } else {
1095 vall = cp->un.value.level[0];
1096 valr = cp->un.value.level[1];
1097 }
1098 sc->sc_linein.voll = vall;
1099 sc->sc_linein.volr = valr;
1100 iw_mixer_line_level(sc, IW_LINE_IN, vall, valr);
1101 }
1102 break;
1103 case IW_LINE_OUT_LVL:
1104 if (cp->type == AUDIO_MIXER_VALUE) {
1105 error = 0;
1106 if (cp->un.value.num_channels == 1) {
1107 vall = valr = cp->un.value.level[0];
1108 } else {
1109 vall = cp->un.value.level[0];
1110 valr = cp->un.value.level[1];
1111 }
1112 sc->sc_lineout.voll = vall;
1113 sc->sc_lineout.volr = valr;
1114 iw_mixer_line_level(sc, IW_LINE_OUT, vall, valr);
1115 }
1116 break;
1117 case IW_REC_LVL:
1118 if (cp->type == AUDIO_MIXER_VALUE) {
1119 error = 0;
1120 if (cp->un.value.num_channels == 1) {
1121 vall = valr = cp->un.value.level[0];
1122 } else {
1123 vall = cp->un.value.level[0];
1124 valr = cp->un.value.level[1];
1125 }
1126 sc->sc_rec.voll = vall;
1127 sc->sc_rec.volr = valr;
1128 iw_mixer_line_level(sc, IW_REC, vall, valr);
1129 }
1130 break;
1131
1132 case IW_DAC_LVL:
1133 if (cp->type == AUDIO_MIXER_VALUE) {
1134 error = 0;
1135 if (cp->un.value.num_channels == 1) {
1136 vall = valr = cp->un.value.level[0];
1137 } else {
1138 vall = cp->un.value.level[0];
1139 valr = cp->un.value.level[1];
1140 }
1141 sc->sc_dac.voll = vall;
1142 sc->sc_dac.volr = valr;
1143 iw_mixer_line_level(sc, IW_DAC, vall, valr);
1144 }
1145 break;
1146
1147 case IW_LOOPBACK_LVL:
1148 if (cp->type == AUDIO_MIXER_VALUE) {
1149 error = 0;
1150 if (cp->un.value.num_channels != 1) {
1151 return EINVAL;
1152 } else {
1153 valr = vall = cp->un.value.level[0];
1154 }
1155 sc->sc_loopback.voll = vall;
1156 sc->sc_loopback.volr = valr;
1157 iw_mixer_line_level(sc, IW_LOOPBACK, vall, valr);
1158 }
1159 break;
1160
1161 case IW_MONO_IN_LVL:
1162 if (cp->type == AUDIO_MIXER_VALUE) {
1163 error = 0;
1164 if (cp->un.value.num_channels != 1) {
1165 return EINVAL;
1166 } else {
1167 valr = vall = cp->un.value.level[0];
1168 }
1169 sc->sc_monoin.voll = vall;
1170 sc->sc_monoin.volr = valr;
1171 iw_mixer_line_level(sc, IW_MONO_IN, vall, valr);
1172 }
1173 break;
1174 case IW_RECORD_SOURCE:
1175 error = 0;
1176 sc->sc_recsrcbits = cp->un.ord << 6;
1177 DPRINTF(("record source %d bits %x\n", cp->un.ord,
1178 sc->sc_recsrcbits));
1179 iw_mixer_line_level(sc, IW_REC, sc->sc_rec.voll,
1180 sc->sc_rec.volr);
1181 break;
1182 }
1183
1184 return error;
1185 }
1186
1187
1188 int
1189 iw_get_port(void *addr, mixer_ctrl_t *cp)
1190 {
1191 struct iw_softc *sc;
1192 int error;
1193
1194 sc = addr;
1195 error = EINVAL;
1196 switch (cp->dev) {
1197 case IW_MIC_IN_LVL:
1198 if (cp->type == AUDIO_MIXER_VALUE) {
1199 cp->un.value.num_channels = 2;
1200 cp->un.value.level[0] = sc->sc_mic.voll;
1201 cp->un.value.level[1] = sc->sc_mic.volr;
1202 error = 0;
1203 }
1204 break;
1205 case IW_AUX1_LVL:
1206 if (cp->type == AUDIO_MIXER_VALUE) {
1207 cp->un.value.num_channels = 2;
1208 cp->un.value.level[0] = sc->sc_aux1.voll;
1209 cp->un.value.level[1] = sc->sc_aux1.volr;
1210 error = 0;
1211 }
1212 break;
1213 case IW_AUX2_LVL:
1214 if (cp->type == AUDIO_MIXER_VALUE) {
1215 cp->un.value.num_channels = 2;
1216 cp->un.value.level[0] = sc->sc_aux2.voll;
1217 cp->un.value.level[1] = sc->sc_aux2.volr;
1218 error = 0;
1219 }
1220 break;
1221 case IW_LINE_OUT_LVL:
1222 if (cp->type == AUDIO_MIXER_VALUE) {
1223 cp->un.value.num_channels = 2;
1224 cp->un.value.level[0] = sc->sc_lineout.voll;
1225 cp->un.value.level[1] = sc->sc_lineout.volr;
1226 error = 0;
1227 }
1228 break;
1229 case IW_LINE_IN_LVL:
1230 if (cp->type == AUDIO_MIXER_VALUE) {
1231 cp->un.value.num_channels = 2;
1232 cp->un.value.level[0] = sc->sc_linein.voll;
1233 cp->un.value.level[1] = sc->sc_linein.volr;
1234 error = 0;
1235 }
1236 break;
1237 case IW_REC_LVL:
1238 if (cp->type == AUDIO_MIXER_VALUE) {
1239 cp->un.value.num_channels = 2;
1240 cp->un.value.level[0] = sc->sc_rec.voll;
1241 cp->un.value.level[1] = sc->sc_rec.volr;
1242 error = 0;
1243 }
1244 break;
1245
1246 case IW_DAC_LVL:
1247 if (cp->type == AUDIO_MIXER_VALUE) {
1248 cp->un.value.num_channels = 2;
1249 cp->un.value.level[0] = sc->sc_dac.voll;
1250 cp->un.value.level[1] = sc->sc_dac.volr;
1251 error = 0;
1252 }
1253 break;
1254
1255 case IW_LOOPBACK_LVL:
1256 if (cp->type == AUDIO_MIXER_VALUE) {
1257 cp->un.value.num_channels = 1;
1258 cp->un.value.level[0] = sc->sc_loopback.voll;
1259 error = 0;
1260 }
1261 break;
1262
1263 case IW_MONO_IN_LVL:
1264 if (cp->type == AUDIO_MIXER_VALUE) {
1265 cp->un.value.num_channels = 1;
1266 cp->un.value.level[0] = sc->sc_monoin.voll;
1267 error = 0;
1268 }
1269 break;
1270 case IW_RECORD_SOURCE:
1271 cp->un.ord = sc->sc_recsrcbits >> 6;
1272 error = 0;
1273 break;
1274 }
1275
1276 return error;
1277 }
1278
1279
1280
1281 int
1282 iw_query_devinfo(void *addr, mixer_devinfo_t *dip)
1283 {
1284
1285 switch (dip->index) {
1286 case IW_MIC_IN_LVL: /* Microphone */
1287 dip->type = AUDIO_MIXER_VALUE;
1288 dip->mixer_class = IW_INPUT_CLASS;
1289 dip->prev = AUDIO_MIXER_LAST;
1290 dip->next = AUDIO_MIXER_LAST;
1291 strcpy(dip->label.name, AudioNmicrophone);
1292 dip->un.v.num_channels = 2;
1293 strcpy(dip->un.v.units.name, AudioNvolume);
1294 break;
1295 case IW_AUX1_LVL:
1296 dip->type = AUDIO_MIXER_VALUE;
1297 dip->mixer_class = IW_INPUT_CLASS;
1298 dip->prev = AUDIO_MIXER_LAST;
1299 dip->next = AUDIO_MIXER_LAST;
1300 strcpy(dip->label.name, AudioNline);
1301 dip->un.v.num_channels = 2;
1302 strcpy(dip->un.v.units.name, AudioNvolume);
1303 break;
1304 case IW_AUX2_LVL:
1305 dip->type = AUDIO_MIXER_VALUE;
1306 dip->mixer_class = IW_INPUT_CLASS;
1307 dip->prev = AUDIO_MIXER_LAST;
1308 dip->next = AUDIO_MIXER_LAST;
1309 strcpy(dip->label.name, AudioNcd);
1310 dip->un.v.num_channels = 2;
1311 strcpy(dip->un.v.units.name, AudioNvolume);
1312 break;
1313 case IW_LINE_OUT_LVL:
1314 dip->type = AUDIO_MIXER_VALUE;
1315 dip->mixer_class = IW_OUTPUT_CLASS;
1316 dip->prev = AUDIO_MIXER_LAST;
1317 dip->next = AUDIO_MIXER_LAST;
1318 strcpy(dip->label.name, AudioNline);
1319 dip->un.v.num_channels = 2;
1320 strcpy(dip->un.v.units.name, AudioNvolume);
1321 break;
1322 case IW_DAC_LVL:
1323 dip->type = AUDIO_MIXER_VALUE;
1324 dip->mixer_class = IW_OUTPUT_CLASS;
1325 dip->prev = AUDIO_MIXER_LAST;
1326 dip->next = AUDIO_MIXER_LAST;
1327 strcpy(dip->label.name, AudioNdac);
1328 dip->un.v.num_channels = 2;
1329 strcpy(dip->un.v.units.name, AudioNvolume);
1330 break;
1331 case IW_LINE_IN_LVL:
1332 dip->type = AUDIO_MIXER_VALUE;
1333 dip->mixer_class = IW_INPUT_CLASS;
1334 dip->prev = AUDIO_MIXER_LAST;
1335 dip->next = AUDIO_MIXER_LAST;
1336 strcpy(dip->label.name, AudioNinput);
1337 dip->un.v.num_channels = 2;
1338 strcpy(dip->un.v.units.name, AudioNvolume);
1339 break;
1340 case IW_MONO_IN_LVL:
1341 dip->type = AUDIO_MIXER_VALUE;
1342 dip->mixer_class = IW_INPUT_CLASS;
1343 dip->prev = AUDIO_MIXER_LAST;
1344 dip->next = AUDIO_MIXER_LAST;
1345 strcpy(dip->label.name, AudioNmono);
1346 dip->un.v.num_channels = 1;
1347 strcpy(dip->un.v.units.name, AudioNvolume);
1348 break;
1349
1350 case IW_REC_LVL: /* record level */
1351 dip->type = AUDIO_MIXER_VALUE;
1352 dip->mixer_class = IW_RECORD_CLASS;
1353 dip->prev = AUDIO_MIXER_LAST;
1354 dip->next = AUDIO_MIXER_LAST;
1355 strcpy(dip->label.name, AudioNrecord);
1356 dip->un.v.num_channels = 2;
1357 strcpy(dip->un.v.units.name, AudioNvolume);
1358 break;
1359
1360 case IW_LOOPBACK_LVL:
1361 dip->type = AUDIO_MIXER_VALUE;
1362 dip->mixer_class = IW_RECORD_CLASS;
1363 dip->prev = AUDIO_MIXER_LAST;
1364 dip->next = AUDIO_MIXER_LAST;
1365 strcpy(dip->label.name, "filter");
1366 dip->un.v.num_channels = 1;
1367 strcpy(dip->un.v.units.name, AudioNvolume);
1368 break;
1369
1370 case IW_RECORD_SOURCE:
1371 dip->mixer_class = IW_RECORD_CLASS;
1372 dip->type = AUDIO_MIXER_ENUM;
1373 dip->prev = AUDIO_MIXER_LAST;
1374 dip->next = AUDIO_MIXER_LAST;
1375 strcpy(dip->label.name, AudioNsource);
1376 dip->un.e.num_mem = 4;
1377 strcpy(dip->un.e.member[0].label.name, AudioNline);
1378 dip->un.e.member[0].ord = IW_LINE_IN_SRC;
1379 strcpy(dip->un.e.member[1].label.name, "aux1");
1380 dip->un.e.member[1].ord = IW_AUX1_SRC;
1381 strcpy(dip->un.e.member[2].label.name, AudioNmicrophone);
1382 dip->un.e.member[2].ord = IW_MIC_IN_SRC;
1383 strcpy(dip->un.e.member[3].label.name, AudioNmixerout);
1384 dip->un.e.member[3].ord = IW_MIX_OUT_SRC;
1385 break;
1386 case IW_INPUT_CLASS:
1387 dip->type = AUDIO_MIXER_CLASS;
1388 dip->mixer_class = IW_INPUT_CLASS;
1389 dip->next = dip->prev = AUDIO_MIXER_LAST;
1390 strcpy(dip->label.name, AudioCinputs);
1391 break;
1392 case IW_OUTPUT_CLASS:
1393 dip->type = AUDIO_MIXER_CLASS;
1394 dip->mixer_class = IW_OUTPUT_CLASS;
1395 dip->next = dip->prev = AUDIO_MIXER_LAST;
1396 strcpy(dip->label.name, AudioCoutputs);
1397 break;
1398 case IW_RECORD_CLASS: /* record source class */
1399 dip->type = AUDIO_MIXER_CLASS;
1400 dip->mixer_class = IW_RECORD_CLASS;
1401 dip->next = dip->prev = AUDIO_MIXER_LAST;
1402 strcpy(dip->label.name, AudioCrecord);
1403 return 0;
1404 default:
1405 return ENXIO;
1406 }
1407 return 0;
1408 }
1409
1410
1411 void *
1412 iw_malloc(void *addr, int direction, size_t size)
1413 {
1414 struct iw_softc *sc;
1415 int drq;
1416
1417 sc = addr;
1418 if (direction == AUMODE_PLAY)
1419 drq = sc->sc_playdrq;
1420 else
1421 drq = sc->sc_recdrq;
1422 return isa_malloc(sc->sc_ic, drq, size, M_DEVBUF, M_WAITOK);
1423 }
1424
1425 void
1426 iw_free(void *addr, void *ptr, size_t size)
1427 {
1428
1429 isa_free(ptr, M_DEVBUF);
1430 }
1431
1432 size_t
1433 iw_round_buffersize(void *addr, int direction, size_t size)
1434 {
1435 struct iw_softc *sc;
1436 bus_size_t maxsize;
1437
1438 sc = addr;
1439 if (direction == AUMODE_PLAY)
1440 maxsize = sc->sc_play_maxsize;
1441 else
1442 maxsize = sc->sc_rec_maxsize;
1443
1444 if (size > maxsize)
1445 size = maxsize;
1446 return size;
1447 }
1448
1449 int
1450 iw_get_props(void *addr)
1451 {
1452 struct iw_softc *sc;
1453
1454 sc = addr;
1455 return AUDIO_PROP_MMAP |
1456 (sc->sc_fullduplex ? AUDIO_PROP_FULLDUPLEX : 0);
1457 }
1458
1459 void
1460 iw_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
1461 {
1462 struct iw_softc *sc;
1463
1464 sc = addr;
1465 *intr = &sc->sc_intr_lock;
1466 *thread = &sc->sc_lock;
1467 }
1468