interwave.c revision 1.17 1 /* $NetBSD: interwave.c,v 1.17 2003/04/06 18:20:13 wiz Exp $ */
2
3 /*
4 * Copyright (c) 1997, 1999 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 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the NetBSD
20 * Foundation, Inc. and its contributors.
21 * 4. Neither the name of The NetBSD Foundation nor the names of its
22 * contributors may be used to endorse or promote products derived
23 * from this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37
38 #include <sys/cdefs.h>
39 __KERNEL_RCSID(0, "$NetBSD: interwave.c,v 1.17 2003/04/06 18:20:13 wiz Exp $");
40
41 #include <sys/param.h>
42 #include <sys/systm.h>
43 #include <sys/errno.h>
44 #include <sys/ioctl.h>
45 #include <sys/syslog.h>
46 #include <sys/device.h>
47 #include <sys/proc.h>
48 #include <sys/buf.h>
49 #include <sys/fcntl.h>
50 #include <sys/malloc.h>
51 #include <sys/kernel.h>
52
53 #include <machine/cpu.h>
54 #include <machine/intr.h>
55 #include <machine/pio.h>
56 #include <sys/audioio.h>
57 #include <dev/audio_if.h>
58 #include <dev/mulaw.h>
59
60 #include <dev/isa/isavar.h>
61 #include <dev/isa/isadmavar.h>
62
63 #include <dev/ic/interwavereg.h>
64 #include <dev/ic/interwavevar.h>
65
66
67 static void iwreset __P((struct iw_softc *, int));
68
69 static int iw_set_speed __P((struct iw_softc *, u_long, char));
70 static u_long iw_set_format __P((struct iw_softc *, u_long, int));
71 static void iw_mixer_line_level __P((struct iw_softc *, int, int, int));
72 static void iw_trigger_dma __P((struct iw_softc *, u_char));
73 static void iw_stop_dma __P((struct iw_softc *, u_char, u_char));
74 static void iw_dma_count __P((struct iw_softc *, u_short, int));
75 static int iwintr __P((void *));
76 static void iw_meminit __P((struct iw_softc *));
77 static void iw_mempoke __P((struct iw_softc *, u_long, u_char));
78 static u_char iw_mempeek __P((struct iw_softc *, u_long));
79
80 #ifdef USE_WAVETABLE
81 static void iw_set_voice_place __P((struct iw_softc *, u_char, u_long));
82 static void iw_voice_pan __P((struct iw_softc *, u_char, u_short, u_short));
83 static void iw_voice_freq __P((struct iw_softc *, u_char, u_long));
84 static void iw_set_loopmode __P((struct iw_softc *, u_char, u_char, u_char));
85 static void iw_set_voice_pos __P((struct iw_softc *, u_short, u_long, u_long));
86 static void iw_start_voice __P((struct iw_softc *, u_char));
87 static void iw_play_voice __P((struct iw_softc *, u_long, u_long, u_short));
88 static void iw_stop_voice __P((struct iw_softc *, u_char));
89 static void iw_move_voice_end __P((struct iw_softc *, u_short, u_long));
90 static void iw_initvoices __P((struct iw_softc *));
91 #endif
92
93 struct audio_device iw_device = {
94 "Am78C201",
95 "0.1",
96 "guspnp"
97 };
98
99 #ifdef AUDIO_DEBUG
100 int iw_debug;
101 #define DPRINTF(p) if (iw_debug) printf p
102 #else
103 #define DPRINTF(p)
104 #endif
105
106 static int iw_cc = 1;
107 #ifdef DIAGNOSTIC
108 static int outputs = 0;
109 static int iw_ints = 0;
110 static int inputs = 0;
111 static int iw_inints = 0;
112 #endif
113
114 int
115 iwintr(arg)
116 void *arg;
117 {
118 struct iw_softc *sc = arg;
119 int val = 0;
120 u_char intrs = 0;
121
122 IW_READ_DIRECT_1(6, sc->p2xr_h, intrs); /* UISR */
123
124 /* codec ints */
125
126 /*
127 * The proper order to do this seems to be to read CSR3 to get the
128 * int cause and fifo over underrrun status, then deal with the ints
129 * (new dma set up), and to clear ints by writing the respective bit
130 * to 0.
131 */
132
133 /* read what ints happened */
134
135 IW_READ_CODEC_1(CSR3I, intrs);
136
137 /* clear them */
138
139 IW_WRITE_DIRECT_1(2, sc->codec_index_h, 0x00);
140
141 /* and process them */
142
143 if (intrs & 0x20) {
144 #ifdef DIAGNOSTIC
145 iw_inints++;
146 #endif
147 sc->sc_reclocked = 0;
148 if (sc->sc_recintr != 0)
149 sc->sc_recintr(sc->sc_recarg);
150 val = 1;
151 }
152 if (intrs & 0x10) {
153 #ifdef DIAGNOSTIC
154 iw_ints++;
155 #endif
156 sc->sc_playlocked = 0;
157 if (sc->sc_playintr != 0)
158 sc->sc_playintr(sc->sc_playarg);
159 val = 1;
160 }
161 return val;
162
163 }
164
165 void
166 iwattach(sc)
167 struct iw_softc *sc;
168 {
169 int got_irq = 0;
170
171 DPRINTF(("iwattach sc %p\n", sc));
172
173 sc->cdatap = 1; /* relative offsets in region */
174 sc->csr1r = 2;
175 sc->cxdr = 3; /* CPDR or CRDR */
176
177 sc->gmxr = 0; /* sc->p3xr */
178 sc->gmxdr = 1; /* GMTDR or GMRDR */
179 sc->svsr = 2;
180 sc->igidxr = 3;
181 sc->i16dp = 4;
182 sc->i8dp = 5;
183 sc->lmbdr = 7;
184
185 sc->rec_precision = sc->play_precision = 8;
186 sc->rec_channels = sc->play_channels = 1;
187 sc->rec_encoding = sc->play_encoding = AUDIO_ENCODING_ULAW;
188 sc->sc_irate = 8000;
189 sc->sc_orate = 8000;
190
191 sc->sc_fullduplex = 1;
192
193 sc->sc_reclocked = 0;
194 sc->sc_playlocked = 0;
195
196 sc->sc_dma_flags = 0;
197
198 /*
199 * We can only use a few selected irqs, see if we got one from pnp
200 * code that suits us.
201 */
202
203 if (sc->sc_irq > 0) {
204 sc->sc_ih = isa_intr_establish(sc->sc_p2xr_ic,
205 sc->sc_irq,
206 IST_EDGE, IPL_AUDIO, iwintr, sc);
207 got_irq = 1;
208 }
209 if (!got_irq) {
210 printf("\niwattach: couldn't get a suitable irq\n");
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 sc->sc_dev.dv_xname, iw_device.version);
219 audio_attach_mi(sc->iw_hw_if, sc, &sc->sc_dev);
220 }
221
222 int
223 iwopen(sc, flags)
224 struct iw_softc *sc;
225 int flags;
226 {
227 int s;
228
229 s = splaudio();
230 if (sc->sc_open) {
231 splx(s);
232 DPRINTF(("iwopen: open %x sc %p\n", sc->sc_open, sc));
233 return EBUSY;
234 } else
235 sc->sc_open = 1;
236 splx(s);
237
238 DPRINTF(("iwopen: open %x sc %p\n", sc->sc_open, sc));
239
240 #ifdef DIAGNOSTIC
241 outputs = 0;
242 iw_ints = 0;
243 inputs = 0;
244 iw_inints = 0;
245 #endif
246
247 iwreset(sc, 1);
248
249 /* READ/WRITE or both */
250
251 if (flags == FREAD) {
252 sc->sc_mode |= IW_READ;
253 sc->sc_reclocked = 0;
254 }
255 if (flags == FWRITE) {
256 sc->sc_mode |= IW_WRITE;
257 sc->sc_playlocked = 0;
258 }
259 sc->sc_playdma_cnt = 0;
260 sc->sc_recdma_cnt = 0;
261 sc->playfirst = 1;
262 sc->sc_playintr = 0;
263 sc->sc_recintr = 0;
264
265 return 0;
266 }
267
268
269
270 void
271 iwclose(addr)
272 void *addr;
273 {
274 struct iw_softc *sc = addr;
275
276 DPRINTF(("iwclose sc %p\n", sc));
277
278 #ifdef DIAGNOSTIC
279 DPRINTF(("iwclose: outputs %d ints %d inputs %d in_ints %d\n",
280 outputs, iw_ints, inputs, iw_inints));
281 #endif
282
283 /* close hardware */
284 sc->sc_open = 0;
285 sc->sc_flags = 0;
286 sc->sc_mode = 0;
287 sc->sc_playlocked = 0;
288 sc->sc_reclocked = 0;
289
290 iw_stop_dma(sc, IW_DMA_PLAYBACK, 1);
291 iw_stop_dma(sc, IW_DMA_RECORD, 1);
292
293 sc->sc_playdma_cnt = 0;
294 sc->sc_recdma_cnt = 0;
295 }
296
297 #define RAM_STEP 64*1024
298
299 static void
300 iw_mempoke(sc, addy, val)
301 struct iw_softc *sc;
302 u_long addy;
303 u_char val;
304 {
305 IW_WRITE_GENERAL_2(LMALI, (u_short) addy);
306 IW_WRITE_GENERAL_1(LMAHI, (u_char) (addy >> 16));
307
308 /* Write byte to LMBDR */
309 IW_WRITE_DIRECT_1(sc->p3xr + 7, sc->p3xr_h, val);
310 }
311
312 static u_char
313 iw_mempeek(sc, addy)
314 struct iw_softc *sc;
315 u_long addy;
316 {
317 u_char ret;
318
319 IW_WRITE_GENERAL_2(LMALI, (u_short) addy);
320 IW_WRITE_GENERAL_1(LMAHI, (u_char) (addy >> 16));
321
322 IW_READ_DIRECT_1(sc->p3xr + 7, sc->p3xr_h, ret);
323 return ret; /* return byte from LMBDR */
324 }
325
326 static void
327 iw_meminit(sc)
328 struct iw_softc *sc;
329 {
330 u_long bank[4] = {0L, 0L, 0L, 0L};
331 u_long addr = 0L, base = 0L, cnt = 0L;
332 u_char i, ram = 0 /* ,memval=0 */ ;
333 u_short lmcfi;
334 u_long temppi;
335 u_long *lpbanks = &temppi;
336
337 IW_WRITE_GENERAL_1(LDMACI, 0x00);
338
339 IW_READ_GENERAL_2(LMCFI, lmcfi); /* 0x52 */
340 lmcfi |= 0x0A0C;
341 IW_WRITE_GENERAL_2(LMCFI, lmcfi); /* max addr span */
342 IW_WRITE_GENERAL_1(LMCI, 0x00);
343
344 /* fifo addresses */
345
346 IW_WRITE_GENERAL_2(LMRFAI, ((4 * 1024 * 1024) >> 8));
347 IW_WRITE_GENERAL_2(LMPFAI, ((4 * 1024 * 1024 + 16 * 1024) >> 8));
348
349 IW_WRITE_GENERAL_2(LMFSI, 0x000);
350
351 IW_WRITE_GENERAL_2(LDICI, 0x0000);
352
353 while (addr < (16 * 1024 * 1024)) {
354 iw_mempoke(sc, addr, 0x00);
355 addr += RAM_STEP;
356 }
357
358 printf("%s:", sc->sc_dev.dv_xname);
359
360 for (i = 0; i < 4; i++) {
361 iw_mempoke(sc, base, 0xAA); /* mark start of bank */
362 iw_mempoke(sc, base + 1L, 0x55);
363 if (iw_mempeek(sc, base) == 0xAA &&
364 iw_mempeek(sc, base + 1L) == 0x55)
365 ram = 1;
366 if (ram) {
367 while (cnt < (4 * 1024 * 1024)) {
368 bank[i] += RAM_STEP;
369 cnt += RAM_STEP;
370 addr = base + cnt;
371 if (iw_mempeek(sc, addr) == 0xAA)
372 break;
373 }
374 }
375 if (lpbanks != NULL) {
376 *lpbanks = bank[i];
377 lpbanks++;
378 }
379 bank[i] = bank[i] >> 10;
380 printf("%s bank[%d]: %ldK", i ? "," : "", i, bank[i]);
381 base += 4 * 1024 * 1024;
382 cnt = 0L;
383 ram = 0;
384 }
385
386 printf("\n");
387
388 /*
389 * this is not really useful since GUS PnP supports memory
390 * configurations that aren't really supported by Interwave...beware
391 * of holes! Also, we don't use the memory for anything in this
392 * version of the driver.
393 *
394 * we've configured for 4M-4M-4M-4M
395 */
396 }
397
398
399 static
400 void
401 iwreset(sc, warm)
402 struct iw_softc *sc;
403 int warm;
404 {
405 u_char reg, cmode, val = 0, mixer_image = 0;
406
407 reg = 0; /* XXX gcc -Wall */
408
409 cmode = 0x6c; /* enhanced codec mode (full duplex) */
410
411 /* reset */
412
413 IW_WRITE_GENERAL_1(URSTI, 0x00);
414 delay(10);
415 IW_WRITE_GENERAL_1(URSTI, 0x07);
416 IW_WRITE_GENERAL_1(ICMPTI, 0x1f); /* disable DSP and uici and
417 * udci writes */
418 IW_WRITE_GENERAL_1(IDECI, 0x7f); /* enable ints to ISA and
419 * codec access */
420 IW_READ_GENERAL_1(IVERI, reg);
421 IW_WRITE_GENERAL_1(IVERI, reg | 0x01); /* hidden reg lock disable */
422 IW_WRITE_GENERAL_1(UASBCI, 0x00);
423
424 /* synth enhanced mode (default), 0 active voices, disable ints */
425
426 IW_WRITE_GENERAL_1(SGMI_WR, 0x01); /* enhanced mode, LFOs
427 * disabled */
428 for (val = 0; val < 32; val++) {
429 /* set each synth sound volume to 0 */
430 IW_WRITE_DIRECT_1(sc->p3xr + 2, sc->p3xr_h, val);
431 IW_WRITE_GENERAL_1(SVSI_WR, 0x00);
432 IW_WRITE_GENERAL_2(SASLI_WR, 0x0000);
433 IW_WRITE_GENERAL_2(SASHI_WR, 0x0000);
434 IW_WRITE_GENERAL_2(SAELI_WR, 0x0000);
435 IW_WRITE_GENERAL_2(SAEHI_WR, 0x0000);
436 IW_WRITE_GENERAL_2(SFCI_WR, 0x0000);
437 IW_WRITE_GENERAL_1(SACI_WR, 0x02);
438 IW_WRITE_GENERAL_1(SVSI_WR, 0x00);
439 IW_WRITE_GENERAL_1(SVEI_WR, 0x00);
440 IW_WRITE_GENERAL_2(SVLI_WR, 0x0000);
441 IW_WRITE_GENERAL_1(SVCI_WR, 0x02);
442 IW_WRITE_GENERAL_1(SMSI_WR, 0x02);
443 }
444
445 IW_WRITE_GENERAL_1(SAVI_WR, 0x00);
446
447 /* codec mode/init */
448
449 /* first change mode to 1 */
450
451 IW_WRITE_CODEC_1(CMODEI, 0x00);
452
453 /* and mode 3 */
454
455 IW_WRITE_CODEC_1(CMODEI, cmode);
456
457 IW_READ_CODEC_1(CMODEI, reg);
458
459 DPRINTF(("cmode %x\n", reg));
460
461 sc->revision = ((reg & 0x80) >> 3) | (reg & 0x0f);
462
463 IW_WRITE_DIRECT_1(sc->codec_index + 2, sc->p2xr_h, 0x00);
464
465 IW_WRITE_CODEC_1(CFIG1I | IW_MCE, 0x00); /* dma 2 chan access */
466 IW_WRITE_CODEC_1(CEXTI, 0x00); /* disable ints for now */
467
468
469 IW_WRITE_CODEC_1(CLPCTI, 0x00); /* reset playback sample counters */
470 IW_WRITE_CODEC_1(CUPCTI, 0x00); /* always upper byte last */
471 IW_WRITE_CODEC_1(CFIG2I, 0x80); /* full voltage range, enable record
472 * and playback sample counters, and
473 * don't center output in case or
474 * FIFO underrun */
475 IW_WRITE_CODEC_1(CFIG3I, 0xc0); /* enable record/playback irq (still
476 * turned off from CEXTI), max dma
477 * rate */
478 IW_WRITE_CODEC_1(CSR3I, 0x00); /* clear status 3 reg */
479
480
481 IW_WRITE_CODEC_1(CLRCTI, 0x00); /* reset record sample counters */
482 IW_WRITE_CODEC_1(CURCTI, 0x00); /* always upper byte last */
483
484
485 IW_READ_GENERAL_1(IVERI, reg);
486
487 sc->vers = reg >> 4;
488 if (!warm)
489 sprintf(iw_device.version, "%d.%d", sc->vers, sc->revision);
490
491 IW_WRITE_GENERAL_1(IDECI, 0x7f); /* irqs and codec decode
492 * enable */
493
494
495 /* ports */
496
497 if (!warm) {
498 iw_mixer_line_level(sc, IW_LINE_OUT, 255, 255);
499 iw_mixer_line_level(sc, IW_LINE_IN, 0, 0);
500 iw_mixer_line_level(sc, IW_AUX1, 0, 0);
501 iw_mixer_line_level(sc, IW_AUX2, 200, 200); /* CD */
502 sc->sc_dac.off = 0;
503 iw_mixer_line_level(sc, IW_DAC, 200, 200);
504
505 iw_mixer_line_level(sc, IW_MIC_IN, 0, 0);
506 iw_mixer_line_level(sc, IW_REC, 0, 0);
507 iw_mixer_line_level(sc, IW_LOOPBACK, 0, 0);
508 iw_mixer_line_level(sc, IW_MONO_IN, 0, 0);
509
510 /* mem stuff */
511 iw_meminit(sc);
512
513 }
514 IW_WRITE_CODEC_1(CEXTI, 0x02); /* codec int enable */
515
516 /* clear _LDMACI */
517
518 IW_WRITE_GENERAL_1(LDMACI, 0x00);
519
520 /* enable mixer paths */
521 mixer_image = 0x0c;
522 IW_WRITE_DIRECT_1(sc->p2xr, sc->p2xr_h, mixer_image);
523 /*
524 * enable output, line in. disable mic in bit 0 = 0 -> line in on
525 * (from codec?) bit 1 = 0 -> output on bit 2 = 1 -> mic in on bit 3
526 * = 1 -> irq&drq pin enable bit 4 = 1 -> channel interrupts to chan
527 * 1 bit 5 = 1 -> enable midi loop back bit 6 = 0 -> irq latches
528 * URCR[2:0] bit 6 = 1 -> dma latches URCR[2:0]
529 */
530
531
532 IW_READ_DIRECT_1(sc->p2xr, sc->p2xr_h, mixer_image);
533 #ifdef AUDIO_DEBUG
534 if (!warm)
535 DPRINTF(("mix image %x \n", mixer_image));
536 #endif
537 }
538
539 struct iw_codec_freq {
540 u_long freq;
541 u_char bits;
542 };
543
544 int
545 iw_set_speed(sc, freq, in)
546 struct iw_softc *sc;
547 u_long freq;
548 char in;
549 {
550 u_char var, cfig3, reg;
551
552 static struct iw_codec_freq iw_cf[17] = {
553 #define FREQ_1 24576000
554 #define FREQ_2 16934400
555 #define XTAL1 0
556 #define XTAL2 1
557 {5510, 0x00 | XTAL2}, {6620, 0x0E | XTAL2},
558 {8000, 0x00 | XTAL1}, {9600, 0x0E | XTAL1},
559 {11025, 0x02 | XTAL2}, {16000, 0x02 | XTAL1},
560 {18900, 0x04 | XTAL2}, {22050, 0x06 | XTAL2},
561 {27420, 0x04 | XTAL1}, {32000, 0x06 | XTAL1},
562 {33075, 0x0C | XTAL2}, {37800, 0x08 | XTAL2},
563 {38400, 0x0A | XTAL1}, {44100, 0x0A | XTAL2},
564 {44800, 0x08 | XTAL1}, {48000, 0x0C | XTAL1},
565 {48000, 0x0C | XTAL1} /* really a dummy for indexing later */
566 #undef XTAL1
567 #undef XTAL2
568 };
569
570 cfig3 = 0; /* XXX gcc -Wall */
571
572 /*
573 * if the frequency is between 3493Hz and 32KHz we can use a more
574 * accurate frequency than the ones listed above base on the formula
575 * FREQ/((16*(48+x))) where FREQ is either FREQ_1 (24576000Hz) or
576 * FREQ_2 (16934400Hz) and x is the value to be written to either
577 * CPVFI or CRVFI. To enable this option, bit 2 in CFIG3 needs to be
578 * set high
579 *
580 * NOT IMPLEMENTED!
581 *
582 * Note that if you have a 'bad' XTAL_1 (higher than 18.5 MHz), 44.8KHz
583 * and 38.4KHz modes will provide wrong frequencies to output.
584 */
585
586
587 if (freq > 48000)
588 freq = 48000;
589 if (freq < 5510)
590 freq = 5510;
591
592 /* reset CFIG3[2] */
593
594 IW_READ_CODEC_1(CFIG3I, cfig3);
595
596 cfig3 |= 0xc0; /* not full fifo treshhold */
597
598 DPRINTF(("cfig3i = %x -> ", cfig3));
599
600 cfig3 &= ~0x04;
601 IW_WRITE_CODEC_1(CFIG3I, cfig3);
602 IW_READ_CODEC_1(CFIG3I, cfig3);
603
604 DPRINTF(("%x\n", cfig3));
605
606 for (var = 0; var < 16; var++) /* select closest frequency */
607 if (freq <= iw_cf[var].freq)
608 break;
609 if (var != 16)
610 if (abs(freq - iw_cf[var].freq) > abs(iw_cf[var + 1].freq - freq))
611 var++;
612
613 if (in)
614 IW_WRITE_CODEC_1(CRDFI | IW_MCE, sc->recfmtbits | iw_cf[var].bits);
615 else
616 IW_WRITE_CODEC_1(CPDFI | IW_MCE, sc->playfmtbits | iw_cf[var].bits);
617 freq = iw_cf[var].freq;
618 DPRINTF(("setting %s frequency to %d bits %x \n",
619 in ? "in" : "out", (int) freq, iw_cf[var].bits));
620
621 IW_READ_CODEC_1(CPDFI, reg);
622
623 DPRINTF((" CPDFI %x ", reg));
624
625 IW_READ_CODEC_1(CRDFI, reg);
626
627 DPRINTF((" CRDFI %x ", reg));
628
629 return freq;
630 }
631
632 /* Encoding. */
633 int
634 iw_query_encoding(addr, fp)
635 void *addr;
636 struct audio_encoding *fp;
637 {
638 /*
639 * LINEAR, ALAW, ULAW, ADPCM in HW, we'll use linear unsigned
640 * hardware mode for all 8-bit modes due to buggy (?) codec.
641 */
642
643 /*
644 * except in wavetable synth. there we have only mu-law and 8 and 16
645 * bit linear data
646 */
647
648 switch (fp->index) {
649 case 0:
650 strcpy(fp->name, AudioEulinear);
651 fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
652 fp->precision = 8;
653 fp->flags = 0;
654 break;
655 case 1:
656 strcpy(fp->name, AudioEmulaw);
657 fp->encoding = AUDIO_ENCODING_ULAW;
658 fp->precision = 8;
659 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
660 break;
661 case 2:
662 strcpy(fp->name, AudioEalaw);
663 fp->encoding = AUDIO_ENCODING_ALAW;
664 fp->precision = 8;
665 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
666 break;
667 case 3:
668 strcpy(fp->name, AudioEadpcm);
669 fp->encoding = AUDIO_ENCODING_ADPCM;
670 fp->precision = 8; /* really 4 bit */
671 fp->flags = 0;
672 break;
673 case 4:
674 strcpy(fp->name, AudioEslinear_le);
675 fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
676 fp->precision = 16;
677 fp->flags = 0;
678 break;
679 case 5:
680 strcpy(fp->name, AudioEslinear_be);
681 fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
682 fp->precision = 16;
683 fp->flags = 0;
684 break;
685 default:
686 return (EINVAL);
687 /* NOTREACHED */
688 }
689 return (0);
690 }
691
692
693
694 u_long
695 iw_set_format(sc, precision, in)
696 struct iw_softc *sc;
697 u_long precision;
698 int in;
699 {
700 u_char data;
701 int encoding, channels;
702
703 encoding = in ? sc->rec_encoding : sc->play_encoding;
704 channels = in ? sc->rec_channels : sc->play_channels;
705
706 DPRINTF(("iw_set_format\n"));
707
708 switch (encoding) {
709 case AUDIO_ENCODING_ULAW:
710 data = 0x00;
711 break;
712
713 case AUDIO_ENCODING_ALAW:
714 data = 0x00;
715 break;
716
717 case AUDIO_ENCODING_SLINEAR_LE:
718 if (precision == 16)
719 data = 0x40; /* little endian. 0xc0 is big endian */
720 else
721 data = 0x00;
722 break;
723
724 case AUDIO_ENCODING_SLINEAR_BE:
725 if (precision == 16)
726 data = 0xc0;
727 else
728 data = 0x00;
729 break;
730
731 case AUDIO_ENCODING_ADPCM:
732 data = 0xa0;
733 break;
734
735 default:
736 return -1;
737 }
738
739 if (channels == 2)
740 data |= 0x10; /* stereo */
741
742 if (in) {
743 /* in */
744 sc->recfmtbits = data;
745 /* This will zero the normal codec frequency,
746 * iw_set_speed should always be called afterwards.
747 */
748 IW_WRITE_CODEC_1(CRDFI | IW_MCE, data);
749 } else {
750 /* out */
751 sc->playfmtbits = data;
752 IW_WRITE_CODEC_1(CPDFI | IW_MCE, data);
753 }
754
755 DPRINTF(("formatbits %s %x", in ? "in" : "out", data));
756
757 return encoding;
758 }
759
760
761
762 int
763 iw_set_params(addr, setmode, usemode, p, q)
764 void *addr;
765 int setmode;
766 int usemode;
767 struct audio_params *p;
768 struct audio_params *q;
769 {
770 struct iw_softc *sc = addr;
771 void (*swcode)__P((void *, u_char * buf, int cnt)) = NULL;
772 int factor = 1;
773 DPRINTF(("iw_setparams: code %d, prec %d, rate %d, chan %d\n",
774 (int) p->encoding, (int) p->precision, (int) p->sample_rate,
775 (int) p->channels));
776
777
778 switch (p->encoding) {
779 case AUDIO_ENCODING_ULAW:
780 if (p->precision != 8)
781 return EINVAL;
782 swcode = setmode & AUMODE_PLAY ? mulaw_to_ulinear8 : ulinear8_to_mulaw;
783 factor = 1;
784 break;
785 case AUDIO_ENCODING_ALAW:
786 if (p->precision != 8)
787 return EINVAL;
788 swcode = setmode & AUMODE_PLAY ? alaw_to_ulinear8 : ulinear8_to_alaw;
789 factor = 1;
790 break;
791 case AUDIO_ENCODING_ADPCM:
792 if (p->precision != 8)
793 return EINVAL;
794 else
795 break;
796
797 case AUDIO_ENCODING_SLINEAR_LE:
798 case AUDIO_ENCODING_SLINEAR_BE:
799 if (p->precision != 8 && p->precision != 16)
800 return EINVAL;
801 else
802 break;
803
804 default:
805 return EINVAL;
806
807 }
808
809 if (setmode & AUMODE_PLAY) {
810 sc->play_channels = p->channels;
811 sc->play_encoding = p->encoding;
812 sc->play_precision = p->precision;
813 p->factor = factor;
814 p->sw_code = swcode;
815 iw_set_format(sc, p->precision, 0);
816 q->sample_rate = p->sample_rate = sc->sc_orate =
817 iw_set_speed(sc, p->sample_rate, 0);
818 } else {
819 #if 0
820 q->channels = sc->rec_channels = p->channels;
821 q->encoding = sc->rec_encoding = p->encoding;
822 q->precision = sc->rec_precision = p->precision;
823 #endif
824 sc->rec_channels = q->channels;
825 sc->rec_encoding = q->encoding;
826 sc->rec_precision = q->precision;
827 q->factor = factor;
828 q->sw_code = swcode;
829
830 iw_set_format(sc, p->precision, 1);
831 q->sample_rate = sc->sc_irate =
832 iw_set_speed(sc, q->sample_rate, 1);
833 }
834 return 0;
835 }
836
837
838 int
839 iw_round_blocksize(addr, blk)
840 void *addr;
841 int blk;
842 {
843 /* Round to a multiple of the biggest sample size. */
844 return blk &= -4;
845 }
846
847 void
848 iw_mixer_line_level(sc, line, levl, levr)
849 struct iw_softc *sc;
850 int line;
851 int levl, levr;
852 {
853 u_char gainl, gainr, attenl, attenr;
854
855 switch (line) {
856 case IW_REC:
857 gainl = sc->sc_recsrcbits | (levl >> 4);
858 gainr = sc->sc_recsrcbits | (levr >> 4);
859 DPRINTF(("recording with %x", gainl));
860 IW_WRITE_CODEC_1(CLICI, gainl);
861 IW_WRITE_CODEC_1(CRICI, gainr);
862 sc->sc_rec.voll = levl & 0xf0;
863 sc->sc_rec.volr = levr & 0xf0;
864 break;
865
866 case IW_AUX1:
867
868 gainl = (255 - levl) >> 3;
869 gainr = (255 - levr) >> 3;
870
871 /* mute if 0 level */
872 if (levl == 0)
873 gainl |= 0x80;
874 if (levr == 0)
875 gainr |= 0x80;
876
877 IW_WRITE_CODEC_1(IW_LEFT_AUX1_PORT, gainl);
878 IW_WRITE_CODEC_1(IW_RIGHT_AUX1_PORT, gainr);
879 sc->sc_aux1.voll = levl & 0xf8;
880 sc->sc_aux1.volr = levr & 0xf8;
881
882 break;
883
884 case IW_AUX2:
885
886 gainl = (255 - levl) >> 3;
887 gainr = (255 - levr) >> 3;
888
889 /* mute if 0 level */
890 if (levl == 0)
891 gainl |= 0x80;
892 if (levr == 0)
893 gainr |= 0x80;
894
895 IW_WRITE_CODEC_1(IW_LEFT_AUX2_PORT, gainl);
896 IW_WRITE_CODEC_1(IW_RIGHT_AUX2_PORT, gainr);
897 sc->sc_aux2.voll = levl & 0xf8;
898 sc->sc_aux2.volr = levr & 0xf8;
899 break;
900 case IW_DAC:
901 attenl = ((255 - levl) >> 2) | ((levl && !sc->sc_dac.off) ? 0 : 0x80);
902 attenr = ((255 - levr) >> 2) | ((levr && !sc->sc_dac.off) ? 0 : 0x80);
903 IW_WRITE_CODEC_1(CLDACI, attenl);
904 IW_WRITE_CODEC_1(CRDACI, attenr);
905 sc->sc_dac.voll = levl & 0xfc;
906 sc->sc_dac.volr = levr & 0xfc;
907 break;
908 case IW_LOOPBACK:
909 attenl = ((255 - levl) & 0xfc) | (levl ? 0x01 : 0);
910 IW_WRITE_CODEC_1(CLCI, attenl);
911 sc->sc_loopback.voll = levl & 0xfc;
912 break;
913 case IW_LINE_IN:
914 gainl = (levl >> 3) | (levl ? 0 : 0x80);
915 gainr = (levr >> 3) | (levr ? 0 : 0x80);
916 IW_WRITE_CODEC_1(CLLICI, gainl);
917 IW_WRITE_CODEC_1(CRLICI, gainr);
918 sc->sc_linein.voll = levl & 0xf8;
919 sc->sc_linein.volr = levr & 0xf8;
920 break;
921 case IW_MIC_IN:
922 gainl = ((255 - levl) >> 3) | (levl ? 0 : 0x80);
923 gainr = ((255 - levr) >> 3) | (levr ? 0 : 0x80);
924 IW_WRITE_CODEC_1(CLMICI, gainl);
925 IW_WRITE_CODEC_1(CRMICI, gainr);
926 sc->sc_mic.voll = levl & 0xf8;
927 sc->sc_mic.volr = levr & 0xf8;
928 break;
929 case IW_LINE_OUT:
930 attenl = ((255 - levl) >> 3) | (levl ? 0 : 0x80);
931 attenr = ((255 - levr) >> 3) | (levr ? 0 : 0x80);
932 IW_WRITE_CODEC_1(CLOAI, attenl);
933 IW_WRITE_CODEC_1(CROAI, attenr);
934 sc->sc_lineout.voll = levl & 0xf8;
935 sc->sc_lineout.volr = levr & 0xf8;
936 break;
937 case IW_MONO_IN:
938 attenl = ((255 - levl) >> 4) | (levl ? 0 : 0xc0); /* in/out mute */
939 IW_WRITE_CODEC_1(CMONOI, attenl);
940 sc->sc_monoin.voll = levl & 0xf0;
941 break;
942 }
943 }
944
945 int
946 iw_commit_settings(addr)
947 void *addr;
948 {
949 return 0;
950 }
951
952
953 void
954 iw_trigger_dma(sc, io)
955 struct iw_softc *sc;
956 u_char io;
957 {
958 u_char reg;
959 int s;
960
961 s = splaudio();
962
963 IW_READ_CODEC_1(CSR3I, reg);
964 IW_WRITE_CODEC_1(CSR3I, reg & ~(io == IW_DMA_PLAYBACK ? 0x10 : 0x20));
965
966 IW_READ_CODEC_1(CFIG1I, reg);
967
968 IW_WRITE_CODEC_1(CFIG1I, reg | io);
969
970 /* let the counter run */
971 IW_READ_CODEC_1(CFIG2I, reg);
972 IW_WRITE_CODEC_1(CFIG2I, reg & ~(io << 4));
973
974 splx(s);
975 }
976
977 void
978 iw_stop_dma(sc, io, hard)
979 struct iw_softc *sc;
980 u_char io, hard;
981 {
982 u_char reg;
983
984 /* just stop the counter, no need to flush the fifo */
985 IW_READ_CODEC_1(CFIG2I, reg);
986 IW_WRITE_CODEC_1(CFIG2I, (reg | (io << 4)));
987
988 if (hard) {
989 /* unless we're closing the device */
990 IW_READ_CODEC_1(CFIG1I, reg);
991 IW_WRITE_CODEC_1(CFIG1I, reg & ~io);
992 }
993 }
994
995 void
996 iw_dma_count(sc, count, io)
997 struct iw_softc *sc;
998 u_short count;
999 int io;
1000 {
1001 if (io == IW_DMA_PLAYBACK) {
1002 IW_WRITE_CODEC_1(CLPCTI, (u_char) (count & 0x00ff));
1003 IW_WRITE_CODEC_1(CUPCTI, (u_char) ((count >> 8) & 0x00ff));
1004 } else {
1005 IW_WRITE_CODEC_1(CLRCTI, (u_char) (count & 0x00ff));
1006 IW_WRITE_CODEC_1(CURCTI, (u_char) ((count >> 8) & 0x00ff));
1007 }
1008 }
1009
1010 int
1011 iw_init_output(addr, buf, cc)
1012 void *addr;
1013 void *buf;
1014 int cc;
1015 {
1016 struct iw_softc *sc = (struct iw_softc *) addr;
1017
1018 DPRINTF(("iw_init_output\n"));
1019
1020 isa_dmastart(sc->sc_ic, sc->sc_playdrq, buf,
1021 cc, NULL, DMAMODE_WRITE | DMAMODE_LOOP, BUS_DMA_NOWAIT);
1022 return 0;
1023 }
1024
1025 int
1026 iw_init_input(addr, buf, cc)
1027 void *addr;
1028 void *buf;
1029 int cc;
1030 {
1031 struct iw_softc *sc = (struct iw_softc *) addr;
1032
1033 DPRINTF(("iw_init_input\n"));
1034
1035 isa_dmastart(sc->sc_ic, sc->sc_recdrq, buf,
1036 cc, NULL, DMAMODE_READ | DMAMODE_LOOP, BUS_DMA_NOWAIT);
1037 return 0;
1038 }
1039
1040
1041 int
1042 iw_start_output(addr, p, cc, intr, arg)
1043 void *addr;
1044 void *p;
1045 int cc;
1046 void (*intr)__P((void *));
1047 void *arg;
1048 {
1049 struct iw_softc *sc = addr;
1050 int counter;
1051
1052 #ifdef AUDIO_DEBUG
1053 if (sc->sc_playlocked) {
1054 DPRINTF(("iw_start_output: playback dma already going on\n"));
1055 /* return 0; */
1056 }
1057 #endif
1058
1059 sc->sc_playlocked = 1;
1060 #ifdef DIAGNOSTIC
1061 if (!intr) {
1062 printf("iw_start_output: no callback!\n");
1063 return 1;
1064 }
1065 #endif
1066
1067 sc->sc_playintr = intr;
1068 sc->sc_playarg = arg;
1069 sc->sc_dma_flags |= DMAMODE_WRITE;
1070 sc->sc_playdma_bp = p;
1071
1072 counter = 0;
1073
1074 isa_dmastart(sc->sc_ic, sc->sc_playdrq, sc->sc_playdma_bp,
1075 cc, NULL, DMAMODE_WRITE, BUS_DMA_NOWAIT);
1076
1077
1078 if (sc->play_encoding == AUDIO_ENCODING_ADPCM)
1079 cc >>= 2;
1080 if (sc->play_precision == 16)
1081 cc >>= 1;
1082
1083 if (sc->play_channels == 2 && sc->play_encoding != AUDIO_ENCODING_ADPCM)
1084 cc >>= 1;
1085
1086 cc -= iw_cc;
1087
1088
1089 /* iw_dma_access(sc,1); */
1090 if (cc != sc->sc_playdma_cnt) {
1091 iw_dma_count(sc, (u_short) cc, IW_DMA_PLAYBACK);
1092 sc->sc_playdma_cnt = cc;
1093
1094 iw_trigger_dma(sc, IW_DMA_PLAYBACK);
1095 }
1096
1097 #ifdef DIAGNOSTIC
1098 if (outputs != iw_ints)
1099 printf("iw_start_output: out %d, int %d\n", outputs, iw_ints);
1100 outputs++;
1101 #endif
1102 return 0;
1103 }
1104
1105
1106 int
1107 iw_start_input(addr, p, cc, intr, arg)
1108 void *addr;
1109 void *p;
1110 int cc;
1111 void (*intr)__P((void *));
1112 void *arg;
1113 {
1114 struct iw_softc *sc = addr;
1115 int counter;
1116
1117 #if AUDIO_DEBUG
1118 if (sc->sc_reclocked) {
1119 DPRINTF(("iw_start_input: record dma already going on\n"));
1120 /* return 0; */
1121 }
1122 #endif
1123
1124 sc->sc_reclocked = 1;
1125 #ifdef DIAGNOSTIC
1126 if (!intr) {
1127 printf("iw_start_input: no callback!\n");
1128 return 1;
1129 }
1130 #endif
1131
1132
1133 sc->sc_recintr = intr;
1134 sc->sc_recarg = arg;
1135 sc->sc_dma_flags |= DMAMODE_READ;
1136 sc->sc_recdma_bp = p;
1137
1138 counter = 0;
1139
1140 isa_dmastart(sc->sc_ic, sc->sc_recdrq, sc->sc_recdma_bp,
1141 cc, NULL, DMAMODE_READ, BUS_DMA_NOWAIT);
1142
1143
1144 if (sc->rec_encoding == AUDIO_ENCODING_ADPCM)
1145 cc >>= 2;
1146 if (sc->rec_precision == 16)
1147 cc >>= 1;
1148
1149 if (sc->rec_channels == 2 && sc->rec_encoding != AUDIO_ENCODING_ADPCM)
1150 cc >>= 1;
1151
1152 cc -= iw_cc;
1153
1154 /* iw_dma_access(sc,0); */
1155 if (sc->sc_recdma_cnt != cc) {
1156 iw_dma_count(sc, (u_short) cc, IW_DMA_RECORD);
1157 sc->sc_recdma_cnt = cc;
1158 /* iw_dma_ctrl(sc, IW_DMA_RECORD); */
1159 iw_trigger_dma(sc, IW_DMA_RECORD);
1160 }
1161
1162 #ifdef DIAGNOSTIC
1163 if ((inputs != iw_inints))
1164 printf("iw_start_input: in %d, inints %d\n", inputs, iw_inints);
1165 inputs++;
1166 #endif
1167
1168 return 0;
1169 }
1170
1171
1172 int
1173 iw_halt_output(addr)
1174 void *addr;
1175 {
1176 struct iw_softc *sc = addr;
1177 iw_stop_dma(sc, IW_DMA_PLAYBACK, 0);
1178 /* sc->sc_playlocked = 0; */
1179 return 0;
1180 }
1181
1182
1183 int
1184 iw_halt_input(addr)
1185 void *addr;
1186 {
1187 struct iw_softc *sc = addr;
1188 iw_stop_dma(sc, IW_DMA_RECORD, 0);
1189 /* sc->sc_reclocked = 0; */
1190 return 0;
1191 }
1192
1193
1194 int
1195 iw_speaker_ctl(addr, newstate)
1196 void *addr;
1197 int newstate;
1198 {
1199 struct iw_softc *sc = addr;
1200 u_char reg;
1201 if (newstate == SPKR_ON) {
1202 sc->sc_dac.off = 0;
1203 IW_READ_CODEC_1(CLDACI, reg);
1204 IW_WRITE_CODEC_1(CLDACI, reg & 0x7f);
1205 IW_READ_CODEC_1(CRDACI, reg);
1206 IW_WRITE_CODEC_1(CRDACI, reg & 0x7f);
1207 } else {
1208 /* SPKR_OFF */
1209 sc->sc_dac.off = 1;
1210 IW_READ_CODEC_1(CLDACI, reg);
1211 IW_WRITE_CODEC_1(CLDACI, reg | 0x80);
1212 IW_READ_CODEC_1(CRDACI, reg);
1213 IW_WRITE_CODEC_1(CRDACI, reg | 0x80);
1214 }
1215 return 0;
1216 }
1217
1218
1219 int
1220 iw_getdev(addr, retp)
1221 void *addr;
1222 struct audio_device *retp;
1223 {
1224 *retp = iw_device;
1225 return 0;
1226 }
1227
1228
1229 int
1230 iw_setfd(addr, flag)
1231 void *addr;
1232 int flag;
1233 {
1234 return 0;
1235 }
1236
1237
1238 /* Mixer (in/out ports) */
1239 int
1240 iw_set_port(addr, cp)
1241 void *addr;
1242 mixer_ctrl_t *cp;
1243 {
1244 struct iw_softc *sc = addr;
1245 u_char vall = 0, valr = 0;
1246 int error = EINVAL;
1247
1248 switch (cp->dev) {
1249 case IW_MIC_IN_LVL:
1250 if (cp->type == AUDIO_MIXER_VALUE) {
1251 error = 0;
1252 if (cp->un.value.num_channels == 1) {
1253 vall = valr = cp->un.value.level[0];
1254 } else {
1255 vall = cp->un.value.level[0];
1256 valr = cp->un.value.level[1];
1257 }
1258 sc->sc_mic.voll = vall;
1259 sc->sc_mic.volr = valr;
1260 iw_mixer_line_level(sc, IW_MIC_IN, vall, valr);
1261 }
1262 break;
1263 case IW_AUX1_LVL:
1264 if (cp->type == AUDIO_MIXER_VALUE) {
1265 error = 0;
1266 if (cp->un.value.num_channels == 1) {
1267 vall = valr = cp->un.value.level[0];
1268 } else {
1269 vall = cp->un.value.level[0];
1270 valr = cp->un.value.level[1];
1271 }
1272 sc->sc_aux1.voll = vall;
1273 sc->sc_aux1.volr = valr;
1274 iw_mixer_line_level(sc, IW_AUX1, vall, valr);
1275 }
1276 break;
1277 case IW_AUX2_LVL:
1278 if (cp->type == AUDIO_MIXER_VALUE) {
1279 error = 0;
1280 if (cp->un.value.num_channels == 1) {
1281 vall = valr = cp->un.value.level[0];
1282 } else {
1283 vall = cp->un.value.level[0];
1284 valr = cp->un.value.level[1];
1285 }
1286 sc->sc_aux2.voll = vall;
1287 sc->sc_aux2.volr = valr;
1288 iw_mixer_line_level(sc, IW_AUX2, vall, valr);
1289 }
1290 break;
1291 case IW_LINE_IN_LVL:
1292 if (cp->type == AUDIO_MIXER_VALUE) {
1293 error = 0;
1294 if (cp->un.value.num_channels == 1) {
1295 vall = valr = cp->un.value.level[0];
1296 } else {
1297 vall = cp->un.value.level[0];
1298 valr = cp->un.value.level[1];
1299 }
1300 sc->sc_linein.voll = vall;
1301 sc->sc_linein.volr = valr;
1302 iw_mixer_line_level(sc, IW_LINE_IN, vall, valr);
1303 }
1304 break;
1305 case IW_LINE_OUT_LVL:
1306 if (cp->type == AUDIO_MIXER_VALUE) {
1307 error = 0;
1308 if (cp->un.value.num_channels == 1) {
1309 vall = valr = cp->un.value.level[0];
1310 } else {
1311 vall = cp->un.value.level[0];
1312 valr = cp->un.value.level[1];
1313 }
1314 sc->sc_lineout.voll = vall;
1315 sc->sc_lineout.volr = valr;
1316 iw_mixer_line_level(sc, IW_LINE_OUT, vall, valr);
1317 }
1318 break;
1319 case IW_REC_LVL:
1320 if (cp->type == AUDIO_MIXER_VALUE) {
1321 error = 0;
1322 if (cp->un.value.num_channels == 1) {
1323 vall = valr = cp->un.value.level[0];
1324 } else {
1325 vall = cp->un.value.level[0];
1326 valr = cp->un.value.level[1];
1327 }
1328 sc->sc_rec.voll = vall;
1329 sc->sc_rec.volr = valr;
1330 iw_mixer_line_level(sc, IW_REC, vall, valr);
1331 }
1332 break;
1333
1334 case IW_DAC_LVL:
1335 if (cp->type == AUDIO_MIXER_VALUE) {
1336 error = 0;
1337 if (cp->un.value.num_channels == 1) {
1338 vall = valr = cp->un.value.level[0];
1339 } else {
1340 vall = cp->un.value.level[0];
1341 valr = cp->un.value.level[1];
1342 }
1343 sc->sc_dac.voll = vall;
1344 sc->sc_dac.volr = valr;
1345 iw_mixer_line_level(sc, IW_DAC, vall, valr);
1346 }
1347 break;
1348
1349 case IW_LOOPBACK_LVL:
1350 if (cp->type == AUDIO_MIXER_VALUE) {
1351 error = 0;
1352 if (cp->un.value.num_channels != 1) {
1353 return EINVAL;
1354 } else {
1355 valr = vall = cp->un.value.level[0];
1356 }
1357 sc->sc_loopback.voll = vall;
1358 sc->sc_loopback.volr = valr;
1359 iw_mixer_line_level(sc, IW_LOOPBACK, vall, valr);
1360 }
1361 break;
1362
1363 case IW_MONO_IN_LVL:
1364 if (cp->type == AUDIO_MIXER_VALUE) {
1365 error = 0;
1366 if (cp->un.value.num_channels != 1) {
1367 return EINVAL;
1368 } else {
1369 valr = vall = cp->un.value.level[0];
1370 }
1371 sc->sc_monoin.voll = vall;
1372 sc->sc_monoin.volr = valr;
1373 iw_mixer_line_level(sc, IW_MONO_IN, vall, valr);
1374 }
1375 break;
1376 case IW_RECORD_SOURCE:
1377 error = 0;
1378 sc->sc_recsrcbits = cp->un.ord << 6;
1379 DPRINTF(("record source %d bits %x\n", cp->un.ord, sc->sc_recsrcbits));
1380 iw_mixer_line_level(sc, IW_REC, sc->sc_rec.voll, sc->sc_rec.volr);
1381 break;
1382 }
1383
1384 return error;
1385 }
1386
1387
1388 int
1389 iw_get_port(addr, cp)
1390 void *addr;
1391 mixer_ctrl_t *cp;
1392 {
1393 struct iw_softc *sc = addr;
1394
1395 int error = EINVAL;
1396
1397 switch (cp->dev) {
1398 case IW_MIC_IN_LVL:
1399 if (cp->type == AUDIO_MIXER_VALUE) {
1400 cp->un.value.num_channels = 2;
1401 cp->un.value.level[0] = sc->sc_mic.voll;
1402 cp->un.value.level[1] = sc->sc_mic.volr;
1403 error = 0;
1404 }
1405 break;
1406 case IW_AUX1_LVL:
1407 if (cp->type == AUDIO_MIXER_VALUE) {
1408 cp->un.value.num_channels = 2;
1409 cp->un.value.level[0] = sc->sc_aux1.voll;
1410 cp->un.value.level[1] = sc->sc_aux1.volr;
1411 error = 0;
1412 }
1413 break;
1414 case IW_AUX2_LVL:
1415 if (cp->type == AUDIO_MIXER_VALUE) {
1416 cp->un.value.num_channels = 2;
1417 cp->un.value.level[0] = sc->sc_aux2.voll;
1418 cp->un.value.level[1] = sc->sc_aux2.volr;
1419 error = 0;
1420 }
1421 break;
1422 case IW_LINE_OUT_LVL:
1423 if (cp->type == AUDIO_MIXER_VALUE) {
1424 cp->un.value.num_channels = 2;
1425 cp->un.value.level[0] = sc->sc_lineout.voll;
1426 cp->un.value.level[1] = sc->sc_lineout.volr;
1427 error = 0;
1428 }
1429 break;
1430 case IW_LINE_IN_LVL:
1431 if (cp->type == AUDIO_MIXER_VALUE) {
1432 cp->un.value.num_channels = 2;
1433 cp->un.value.level[0] = sc->sc_linein.voll;
1434 cp->un.value.level[1] = sc->sc_linein.volr;
1435 error = 0;
1436 }
1437 case IW_REC_LVL:
1438 if (cp->type == AUDIO_MIXER_VALUE) {
1439 cp->un.value.num_channels = 2;
1440 cp->un.value.level[0] = sc->sc_rec.voll;
1441 cp->un.value.level[1] = sc->sc_rec.volr;
1442 error = 0;
1443 }
1444 break;
1445
1446 case IW_DAC_LVL:
1447 if (cp->type == AUDIO_MIXER_VALUE) {
1448 cp->un.value.num_channels = 2;
1449 cp->un.value.level[0] = sc->sc_dac.voll;
1450 cp->un.value.level[1] = sc->sc_dac.volr;
1451 error = 0;
1452 }
1453 break;
1454
1455 case IW_LOOPBACK_LVL:
1456 if (cp->type == AUDIO_MIXER_VALUE) {
1457 cp->un.value.num_channels = 1;
1458 cp->un.value.level[0] = sc->sc_loopback.voll;
1459 error = 0;
1460 }
1461 break;
1462
1463 case IW_MONO_IN_LVL:
1464 if (cp->type == AUDIO_MIXER_VALUE) {
1465 cp->un.value.num_channels = 1;
1466 cp->un.value.level[0] = sc->sc_monoin.voll;
1467 error = 0;
1468 }
1469 break;
1470 case IW_RECORD_SOURCE:
1471 cp->un.ord = sc->sc_recsrcbits >> 6;
1472 error = 0;
1473 break;
1474 }
1475
1476 return error;
1477 }
1478
1479
1480
1481 int
1482 iw_query_devinfo(addr, dip)
1483 void *addr;
1484 mixer_devinfo_t *dip;
1485 {
1486
1487 switch (dip->index) {
1488 case IW_MIC_IN_LVL: /* Microphone */
1489 dip->type = AUDIO_MIXER_VALUE;
1490 dip->mixer_class = IW_INPUT_CLASS;
1491 dip->prev = AUDIO_MIXER_LAST;
1492 dip->next = AUDIO_MIXER_LAST;
1493 strcpy(dip->label.name, AudioNmicrophone);
1494 dip->un.v.num_channels = 2;
1495 strcpy(dip->un.v.units.name, AudioNvolume);
1496 break;
1497 case IW_AUX1_LVL:
1498 dip->type = AUDIO_MIXER_VALUE;
1499 dip->mixer_class = IW_INPUT_CLASS;
1500 dip->prev = AUDIO_MIXER_LAST;
1501 dip->next = AUDIO_MIXER_LAST;
1502 strcpy(dip->label.name, AudioNline);
1503 dip->un.v.num_channels = 2;
1504 strcpy(dip->un.v.units.name, AudioNvolume);
1505 break;
1506 case IW_AUX2_LVL:
1507 dip->type = AUDIO_MIXER_VALUE;
1508 dip->mixer_class = IW_INPUT_CLASS;
1509 dip->prev = AUDIO_MIXER_LAST;
1510 dip->next = AUDIO_MIXER_LAST;
1511 strcpy(dip->label.name, AudioNcd);
1512 dip->un.v.num_channels = 2;
1513 strcpy(dip->un.v.units.name, AudioNvolume);
1514 break;
1515 case IW_LINE_OUT_LVL:
1516 dip->type = AUDIO_MIXER_VALUE;
1517 dip->mixer_class = IW_OUTPUT_CLASS;
1518 dip->prev = AUDIO_MIXER_LAST;
1519 dip->next = AUDIO_MIXER_LAST;
1520 strcpy(dip->label.name, AudioNline);
1521 dip->un.v.num_channels = 2;
1522 strcpy(dip->un.v.units.name, AudioNvolume);
1523 break;
1524 case IW_DAC_LVL:
1525 dip->type = AUDIO_MIXER_VALUE;
1526 dip->mixer_class = IW_OUTPUT_CLASS;
1527 dip->prev = AUDIO_MIXER_LAST;
1528 dip->next = AUDIO_MIXER_LAST;
1529 strcpy(dip->label.name, AudioNdac);
1530 dip->un.v.num_channels = 2;
1531 strcpy(dip->un.v.units.name, AudioNvolume);
1532 break;
1533 case IW_LINE_IN_LVL:
1534 dip->type = AUDIO_MIXER_VALUE;
1535 dip->mixer_class = IW_INPUT_CLASS;
1536 dip->prev = AUDIO_MIXER_LAST;
1537 dip->next = AUDIO_MIXER_LAST;
1538 strcpy(dip->label.name, AudioNinput);
1539 dip->un.v.num_channels = 2;
1540 strcpy(dip->un.v.units.name, AudioNvolume);
1541 break;
1542 case IW_MONO_IN_LVL:
1543 dip->type = AUDIO_MIXER_VALUE;
1544 dip->mixer_class = IW_INPUT_CLASS;
1545 dip->prev = AUDIO_MIXER_LAST;
1546 dip->next = AUDIO_MIXER_LAST;
1547 strcpy(dip->label.name, AudioNmono);
1548 dip->un.v.num_channels = 1;
1549 strcpy(dip->un.v.units.name, AudioNvolume);
1550 break;
1551
1552 case IW_REC_LVL: /* record level */
1553 dip->type = AUDIO_MIXER_VALUE;
1554 dip->mixer_class = IW_RECORD_CLASS;
1555 dip->prev = AUDIO_MIXER_LAST;
1556 dip->next = AUDIO_MIXER_LAST;
1557 strcpy(dip->label.name, AudioNrecord);
1558 dip->un.v.num_channels = 2;
1559 strcpy(dip->un.v.units.name, AudioNvolume);
1560 break;
1561
1562 case IW_LOOPBACK_LVL:
1563 dip->type = AUDIO_MIXER_VALUE;
1564 dip->mixer_class = IW_RECORD_CLASS;
1565 dip->prev = AUDIO_MIXER_LAST;
1566 dip->next = AUDIO_MIXER_LAST;
1567 strcpy(dip->label.name, "filter");
1568 dip->un.v.num_channels = 1;
1569 strcpy(dip->un.v.units.name, AudioNvolume);
1570 break;
1571
1572 case IW_RECORD_SOURCE:
1573 dip->mixer_class = IW_RECORD_CLASS;
1574 dip->type = AUDIO_MIXER_ENUM;
1575 dip->prev = AUDIO_MIXER_LAST;
1576 dip->next = AUDIO_MIXER_LAST;
1577 strcpy(dip->label.name, AudioNsource);
1578 dip->un.e.num_mem = 4;
1579 strcpy(dip->un.e.member[0].label.name, AudioNline);
1580 dip->un.e.member[0].ord = IW_LINE_IN_SRC;
1581 strcpy(dip->un.e.member[1].label.name, "aux1");
1582 dip->un.e.member[1].ord = IW_AUX1_SRC;
1583 strcpy(dip->un.e.member[2].label.name, AudioNmicrophone);
1584 dip->un.e.member[2].ord = IW_MIC_IN_SRC;
1585 strcpy(dip->un.e.member[3].label.name, AudioNmixerout);
1586 dip->un.e.member[3].ord = IW_MIX_OUT_SRC;
1587 break;
1588 case IW_INPUT_CLASS:
1589 dip->type = AUDIO_MIXER_CLASS;
1590 dip->mixer_class = IW_INPUT_CLASS;
1591 dip->next = dip->prev = AUDIO_MIXER_LAST;
1592 strcpy(dip->label.name, AudioCinputs);
1593 break;
1594 case IW_OUTPUT_CLASS:
1595 dip->type = AUDIO_MIXER_CLASS;
1596 dip->mixer_class = IW_OUTPUT_CLASS;
1597 dip->next = dip->prev = AUDIO_MIXER_LAST;
1598 strcpy(dip->label.name, AudioCoutputs);
1599 break;
1600 case IW_RECORD_CLASS: /* record source class */
1601 dip->type = AUDIO_MIXER_CLASS;
1602 dip->mixer_class = IW_RECORD_CLASS;
1603 dip->next = dip->prev = AUDIO_MIXER_LAST;
1604 strcpy(dip->label.name, AudioCrecord);
1605 return 0;
1606 default:
1607 return ENXIO;
1608 }
1609 return 0;
1610 }
1611
1612
1613 void *
1614 iw_malloc(addr, direction, size, pool, flags)
1615 void *addr;
1616 int direction;
1617 size_t size;
1618 struct malloc_type *pool;
1619 int flags;
1620 {
1621 struct iw_softc *sc = addr;
1622 int drq;
1623
1624 if (direction == AUMODE_PLAY)
1625 drq = sc->sc_playdrq;
1626 else
1627 drq = sc->sc_recdrq;
1628 return (isa_malloc(sc->sc_ic, drq, size, pool, flags));
1629 }
1630
1631 void
1632 iw_free(addr, ptr, pool)
1633 void *addr;
1634 void *ptr;
1635 struct malloc_type *pool;
1636 {
1637 isa_free(ptr, pool);
1638 }
1639
1640 size_t
1641 iw_round_buffersize(addr, direction, size)
1642 void *addr;
1643 int direction;
1644 size_t size;
1645 {
1646 struct iw_softc *sc = addr;
1647 bus_size_t maxsize;
1648
1649 if (direction == AUMODE_PLAY)
1650 maxsize = sc->sc_play_maxsize;
1651 else
1652 maxsize = sc->sc_rec_maxsize;
1653
1654 if (size > maxsize)
1655 size = maxsize;
1656 return (size);
1657 }
1658
1659 paddr_t
1660 iw_mappage(addr, mem, off, prot)
1661 void *addr;
1662 void *mem;
1663 off_t off;
1664 int prot;
1665 {
1666 return isa_mappage(mem, off, prot);
1667 }
1668
1669 int
1670 iw_get_props(addr)
1671 void *addr;
1672 {
1673 struct iw_softc *sc = addr;
1674 return AUDIO_PROP_MMAP |
1675 (sc->sc_fullduplex ? AUDIO_PROP_FULLDUPLEX : 0);
1676 }
1677