cs4231.c revision 1.4 1 /* $NetBSD: cs4231.c,v 1.4 2000/06/16 11:47:35 pk Exp $ */
2
3 /*-
4 * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Paul Kranenburg.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #include "audio.h"
40 #if NAUDIO > 0
41
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/errno.h>
45 #include <sys/device.h>
46 #include <sys/malloc.h>
47
48 #include <machine/autoconf.h>
49 #include <machine/cpu.h>
50
51 #include <sys/audioio.h>
52 #include <dev/audio_if.h>
53
54 #include <dev/ic/ad1848reg.h>
55 #include <dev/ic/cs4231reg.h>
56 #include <dev/ic/ad1848var.h>
57 #include <dev/ic/cs4231var.h>
58 #include <dev/ic/apcdmareg.h>
59
60 /*---*/
61 #define CSAUDIO_DAC_LVL 0
62 #define CSAUDIO_LINE_IN_LVL 1
63 #define CSAUDIO_MONO_LVL 2
64 #define CSAUDIO_CD_LVL 3
65 #define CSAUDIO_MONITOR_LVL 4
66 #define CSAUDIO_OUT_LVL 5
67 #define CSAUDIO_LINE_IN_MUTE 6
68 #define CSAUDIO_DAC_MUTE 7
69 #define CSAUDIO_CD_MUTE 8
70 #define CSAUDIO_MONO_MUTE 9
71 #define CSAUDIO_MONITOR_MUTE 10
72 #define CSAUDIO_REC_LVL 11
73 #define CSAUDIO_RECORD_SOURCE 12
74
75 #define CSAUDIO_INPUT_CLASS 13
76 #define CSAUDIO_OUTPUT_CLASS 14
77 #define CSAUDIO_RECORD_CLASS 15
78 #define CSAUDIO_MONITOR_CLASS 16
79
80 #ifdef AUDIO_DEBUG
81 int cs4231debug = 0;
82 #define DPRINTF(x) if (cs4231debug) printf x
83 #else
84 #define DPRINTF(x)
85 #endif
86
87 struct audio_device cs4231_device = {
88 "cs4231",
89 "x",
90 "audio"
91 };
92
93
94 /*
95 * Define our interface to the higher level audio driver.
96 */
97 int cs4231_open __P((void *, int));
98 void cs4231_close __P((void *));
99 size_t cs4231_round_buffersize __P((void *, int, size_t));
100 int cs4231_round_blocksize __P((void *, int));
101 int cs4231_halt_output __P((void *));
102 int cs4231_halt_input __P((void *));
103 int cs4231_getdev __P((void *, struct audio_device *));
104 int cs4231_set_port __P((void *, mixer_ctrl_t *));
105 int cs4231_get_port __P((void *, mixer_ctrl_t *));
106 int cs4231_query_devinfo __P((void *, mixer_devinfo_t *));
107 int cs4231_get_props __P((void *));
108
109 void *cs4231_malloc __P((void *, int, size_t, int, int));
110 void cs4231_free __P((void *, void *, int));
111 int cs4231_trigger_output __P((void *, void *, void *, int,
112 void (*)(void *), void *,
113 struct audio_params *));
114 int cs4231_trigger_input __P((void *, void *, void *, int,
115 void (*)(void *), void *,
116 struct audio_params *));
117
118 #ifdef AUDIO_DEBUG
119 static void cs4231_regdump __P((char *, struct cs4231_softc *));
120 #endif
121
122 int
123 cs4231_read(sc, index)
124 struct ad1848_softc *sc;
125 int index;
126 {
127 return bus_space_read_1(sc->sc_iot, sc->sc_ioh, (index << 2));
128 }
129
130 void
131 cs4231_write(sc, index, value)
132 struct ad1848_softc *sc;
133 int index, value;
134 {
135 bus_space_write_1(sc->sc_iot, sc->sc_ioh, (index << 2), value);
136 }
137
138 struct audio_hw_if audiocs_hw_if = {
139 cs4231_open,
140 cs4231_close,
141 0,
142 ad1848_query_encoding,
143 ad1848_set_params,
144 cs4231_round_blocksize,
145 ad1848_commit_settings,
146 0,
147 0,
148 NULL,
149 NULL,
150 cs4231_halt_output,
151 cs4231_halt_input,
152 0,
153 cs4231_getdev,
154 0,
155 cs4231_set_port,
156 cs4231_get_port,
157 cs4231_query_devinfo,
158 cs4231_malloc,
159 cs4231_free,
160 cs4231_round_buffersize,
161 0,
162 cs4231_get_props,
163 cs4231_trigger_output,
164 cs4231_trigger_input
165 };
166
167
168 #ifdef AUDIO_DEBUG
169 static void
170 cs4231_regdump(label, sc)
171 char *label;
172 struct cs4231_softc *sc;
173 {
174 char bits[128];
175 volatile struct apc_dma *dma = sc->sc_dmareg;
176
177 printf("cs4231regdump(%s): regs:", label);
178 printf("dmapva: 0x%x; ", dma->dmapva);
179 printf("dmapc: 0x%x; ", dma->dmapc);
180 printf("dmapnva: 0x%x; ", dma->dmapnva);
181 printf("dmapnc: 0x%x\n", dma->dmapnc);
182 printf("dmacva: 0x%x; ", dma->dmacva);
183 printf("dmacc: 0x%x; ", dma->dmacc);
184 printf("dmacnva: 0x%x; ", dma->dmacnva);
185 printf("dmacnc: 0x%x\n", dma->dmacnc);
186
187 printf("apc_dmacsr=%s\n",
188 bitmask_snprintf(dma->dmacsr, APC_BITS, bits, sizeof(bits)) );
189
190 ad1848_dump_regs(&sc->sc_ad1848);
191 }
192 #endif
193
194 void
195 cs4231_init(sc)
196 struct cs4231_softc *sc;
197 {
198 char *buf;
199 #if 0
200 volatile struct apc_dma *dma = sc->sc_dmareg;
201 #endif
202 int reg;
203
204 #if 0
205 dma->dmacsr = APC_CODEC_PDN;
206 delay(20);
207 dma->dmacsr &= ~APC_CODEC_PDN;
208 #endif
209 /* First, put chip in native mode */
210 reg = ad_read(&sc->sc_ad1848, SP_MISC_INFO);
211 ad_write(&sc->sc_ad1848, SP_MISC_INFO, reg | MODE2);
212
213 /* Read version numbers from I25 */
214 reg = ad_read(&sc->sc_ad1848, CS_VERSION_ID);
215 switch (reg & (CS_VERSION_NUMBER | CS_VERSION_CHIPID)) {
216 case 0xa0:
217 sc->sc_ad1848.chip_name = "CS4231A";
218 break;
219 case 0x80:
220 sc->sc_ad1848.chip_name = "CS4231";
221 break;
222 case 0x82:
223 sc->sc_ad1848.chip_name = "CS4232";
224 break;
225 default:
226 if ((buf = malloc(32, M_TEMP, M_NOWAIT)) != NULL) {
227 sprintf(buf, "unknown rev: %x/%x", reg&0xe, reg&7);
228 sc->sc_ad1848.chip_name = buf;
229 }
230 }
231 }
232
233 void *
234 cs4231_malloc(addr, direction, size, pool, flags)
235 void *addr;
236 int direction;
237 size_t size;
238 int pool, flags;
239 {
240 struct cs4231_softc *sc = addr;
241 bus_dma_tag_t dmatag = sc->sc_dmatag;
242 struct cs_dma *p;
243
244 p = malloc(sizeof(*p), pool, flags);
245 if (p == NULL)
246 return (NULL);
247
248 /* Allocate a DMA map */
249 if (bus_dmamap_create(dmatag, size, 1, size, 0,
250 BUS_DMA_NOWAIT, &p->dmamap) != 0)
251 goto fail1;
252
253 /* Allocate DMA memory */
254 p->size = size;
255 if (bus_dmamem_alloc(dmatag, size, 64*1024, 0,
256 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
257 &p->nsegs, BUS_DMA_NOWAIT) != 0)
258 goto fail2;
259
260 /* Map DMA memory into kernel space */
261 if (bus_dmamem_map(dmatag, p->segs, p->nsegs, p->size,
262 &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT) != 0)
263 goto fail3;
264
265 /* Load the buffer */
266 if (bus_dmamap_load(dmatag, p->dmamap,
267 p->addr, size, NULL, BUS_DMA_NOWAIT) != 0)
268 goto fail4;
269
270 p->next = sc->sc_dmas;
271 sc->sc_dmas = p;
272 return (p->addr);
273
274 fail4:
275 bus_dmamem_unmap(dmatag, p->addr, p->size);
276 fail3:
277 bus_dmamem_free(dmatag, p->segs, p->nsegs);
278 fail2:
279 bus_dmamap_destroy(dmatag, p->dmamap);
280 fail1:
281 free(p, pool);
282 return (NULL);
283 }
284
285 void
286 cs4231_free(addr, ptr, pool)
287 void *addr;
288 void *ptr;
289 int pool;
290 {
291 struct cs4231_softc *sc = addr;
292 bus_dma_tag_t dmatag = sc->sc_dmatag;
293 struct cs_dma *p, **pp;
294
295 for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &(*pp)->next) {
296 if (p->addr != ptr)
297 continue;
298 bus_dmamap_unload(dmatag, p->dmamap);
299 bus_dmamem_unmap(dmatag, p->addr, p->size);
300 bus_dmamem_free(dmatag, p->segs, p->nsegs);
301 bus_dmamap_destroy(dmatag, p->dmamap);
302 *pp = p->next;
303 free(p, pool);
304 return;
305 }
306 printf("cs4231_free: rogue pointer\n");
307 }
308
309 int
310 cs4231_open(addr, flags)
311 void *addr;
312 int flags;
313 {
314 struct cs4231_softc *sc = addr;
315 #if 0
316 struct apc_dma *dma = sc->sc_dmareg;
317 #endif
318
319 DPRINTF(("sa_open: unit %p\n", sc));
320
321 if (sc->sc_open)
322 return (EBUSY);
323 sc->sc_open = 1;
324 sc->sc_locked = 0;
325 sc->sc_rintr = 0;
326 sc->sc_rarg = 0;
327 sc->sc_pintr = 0;
328 sc->sc_parg = 0;
329 #if 1
330 /*No interrupts from ad1848 */
331 ad_write(&sc->sc_ad1848, SP_PIN_CONTROL, 0);
332 #endif
333 #if 0
334 dma->dmacsr = APC_RESET;
335 delay(10);
336 dma->dmacsr = 0;
337 delay(10);
338 #endif
339 ad1848_reset(&sc->sc_ad1848);
340
341 DPRINTF(("saopen: ok -> sc=%p\n", sc));
342 return (0);
343 }
344
345 void
346 cs4231_close(addr)
347 void *addr;
348 {
349 struct cs4231_softc *sc = addr;
350
351 DPRINTF(("sa_close: sc=%p\n", sc));
352 /*
353 * halt i/o, clear open flag, and done.
354 */
355 cs4231_halt_input(sc);
356 cs4231_halt_output(sc);
357 sc->sc_open = 0;
358
359 DPRINTF(("sa_close: closed.\n"));
360 }
361
362 size_t
363 cs4231_round_buffersize(addr, direction, size)
364 void *addr;
365 int direction;
366 size_t size;
367 {
368 #if 0
369 if (size > APC_MAX)
370 size = APC_MAX;
371 #endif
372 return (size);
373 }
374
375 int
376 cs4231_round_blocksize(addr, blk)
377 void *addr;
378 int blk;
379 {
380 return (blk & -4);
381 }
382
383 int
384 cs4231_getdev(addr, retp)
385 void *addr;
386 struct audio_device *retp;
387 {
388 *retp = cs4231_device;
389 return (0);
390 }
391
392 static ad1848_devmap_t csmapping[] = {
393 { CSAUDIO_DAC_LVL, AD1848_KIND_LVL, AD1848_AUX1_CHANNEL },
394 { CSAUDIO_LINE_IN_LVL, AD1848_KIND_LVL, AD1848_LINE_CHANNEL },
395 { CSAUDIO_MONO_LVL, AD1848_KIND_LVL, AD1848_MONO_CHANNEL },
396 { CSAUDIO_CD_LVL, AD1848_KIND_LVL, AD1848_AUX2_CHANNEL },
397 { CSAUDIO_MONITOR_LVL, AD1848_KIND_LVL, AD1848_MONITOR_CHANNEL },
398 { CSAUDIO_OUT_LVL, AD1848_KIND_LVL, AD1848_DAC_CHANNEL },
399 { CSAUDIO_DAC_MUTE, AD1848_KIND_MUTE, AD1848_AUX1_CHANNEL },
400 { CSAUDIO_LINE_IN_MUTE, AD1848_KIND_MUTE, AD1848_LINE_CHANNEL },
401 { CSAUDIO_MONO_MUTE, AD1848_KIND_MUTE, AD1848_MONO_CHANNEL },
402 { CSAUDIO_CD_MUTE, AD1848_KIND_MUTE, AD1848_AUX2_CHANNEL },
403 { CSAUDIO_MONITOR_MUTE, AD1848_KIND_MUTE, AD1848_MONITOR_CHANNEL },
404 { CSAUDIO_REC_LVL, AD1848_KIND_RECORDGAIN, -1 },
405 { CSAUDIO_RECORD_SOURCE, AD1848_KIND_RECORDSOURCE, -1 }
406 };
407
408 static int nummap = sizeof(csmapping) / sizeof(csmapping[0]);
409
410
411 int
412 cs4231_set_port(addr, cp)
413 void *addr;
414 mixer_ctrl_t *cp;
415 {
416 struct ad1848_softc *ac = addr;
417
418 DPRINTF(("cs4231_set_port: port=%d", cp->dev));
419 return (ad1848_mixer_set_port(ac, csmapping, nummap, cp));
420 }
421
422 int
423 cs4231_get_port(addr, cp)
424 void *addr;
425 mixer_ctrl_t *cp;
426 {
427 struct ad1848_softc *ac = addr;
428
429 DPRINTF(("cs4231_get_port: port=%d", cp->dev));
430 return (ad1848_mixer_get_port(ac, csmapping, nummap, cp));
431 }
432
433 int
434 cs4231_get_props(addr)
435 void *addr;
436 {
437 return (AUDIO_PROP_FULLDUPLEX);
438 }
439
440 int
441 cs4231_query_devinfo(addr, dip)
442 void *addr;
443 mixer_devinfo_t *dip;
444 {
445
446 switch(dip->index) {
447 #if 0
448 case CSAUDIO_MIC_IN_LVL: /* Microphone */
449 dip->type = AUDIO_MIXER_VALUE;
450 dip->mixer_class = CSAUDIO_INPUT_CLASS;
451 dip->prev = AUDIO_MIXER_LAST;
452 dip->next = CSAUDIO_MIC_IN_MUTE;
453 strcpy(dip->label.name, AudioNmicrophone);
454 dip->un.v.num_channels = 2;
455 strcpy(dip->un.v.units.name, AudioNvolume);
456 break;
457 #endif
458
459 case CSAUDIO_MONO_LVL: /* mono/microphone mixer */
460 dip->type = AUDIO_MIXER_VALUE;
461 dip->mixer_class = CSAUDIO_INPUT_CLASS;
462 dip->prev = AUDIO_MIXER_LAST;
463 dip->next = CSAUDIO_MONO_MUTE;
464 strcpy(dip->label.name, AudioNmicrophone);
465 dip->un.v.num_channels = 1;
466 strcpy(dip->un.v.units.name, AudioNvolume);
467 break;
468
469 case CSAUDIO_DAC_LVL: /* dacout */
470 dip->type = AUDIO_MIXER_VALUE;
471 dip->mixer_class = CSAUDIO_INPUT_CLASS;
472 dip->prev = AUDIO_MIXER_LAST;
473 dip->next = CSAUDIO_DAC_MUTE;
474 strcpy(dip->label.name, AudioNdac);
475 dip->un.v.num_channels = 2;
476 strcpy(dip->un.v.units.name, AudioNvolume);
477 break;
478
479 case CSAUDIO_LINE_IN_LVL: /* line */
480 dip->type = AUDIO_MIXER_VALUE;
481 dip->mixer_class = CSAUDIO_INPUT_CLASS;
482 dip->prev = AUDIO_MIXER_LAST;
483 dip->next = CSAUDIO_LINE_IN_MUTE;
484 strcpy(dip->label.name, AudioNline);
485 dip->un.v.num_channels = 2;
486 strcpy(dip->un.v.units.name, AudioNvolume);
487 break;
488
489 case CSAUDIO_CD_LVL: /* cd */
490 dip->type = AUDIO_MIXER_VALUE;
491 dip->mixer_class = CSAUDIO_INPUT_CLASS;
492 dip->prev = AUDIO_MIXER_LAST;
493 dip->next = CSAUDIO_CD_MUTE;
494 strcpy(dip->label.name, AudioNcd);
495 dip->un.v.num_channels = 2;
496 strcpy(dip->un.v.units.name, AudioNvolume);
497 break;
498
499
500 case CSAUDIO_MONITOR_LVL: /* monitor level */
501 dip->type = AUDIO_MIXER_VALUE;
502 dip->mixer_class = CSAUDIO_MONITOR_CLASS;
503 dip->next = CSAUDIO_MONITOR_MUTE;
504 dip->prev = AUDIO_MIXER_LAST;
505 strcpy(dip->label.name, AudioNmonitor);
506 dip->un.v.num_channels = 1;
507 strcpy(dip->un.v.units.name, AudioNvolume);
508 break;
509
510 case CSAUDIO_OUT_LVL: /* cs4231 output volume: not useful? */
511 dip->type = AUDIO_MIXER_VALUE;
512 dip->mixer_class = CSAUDIO_MONITOR_CLASS;
513 dip->prev = dip->next = AUDIO_MIXER_LAST;
514 strcpy(dip->label.name, AudioNoutput);
515 dip->un.v.num_channels = 2;
516 strcpy(dip->un.v.units.name, AudioNvolume);
517 break;
518
519 case CSAUDIO_LINE_IN_MUTE:
520 dip->mixer_class = CSAUDIO_INPUT_CLASS;
521 dip->type = AUDIO_MIXER_ENUM;
522 dip->prev = CSAUDIO_LINE_IN_LVL;
523 dip->next = AUDIO_MIXER_LAST;
524 goto mute;
525
526 case CSAUDIO_DAC_MUTE:
527 dip->mixer_class = CSAUDIO_INPUT_CLASS;
528 dip->type = AUDIO_MIXER_ENUM;
529 dip->prev = CSAUDIO_DAC_LVL;
530 dip->next = AUDIO_MIXER_LAST;
531 goto mute;
532
533 case CSAUDIO_CD_MUTE:
534 dip->mixer_class = CSAUDIO_INPUT_CLASS;
535 dip->type = AUDIO_MIXER_ENUM;
536 dip->prev = CSAUDIO_CD_LVL;
537 dip->next = AUDIO_MIXER_LAST;
538 goto mute;
539
540 case CSAUDIO_MONO_MUTE:
541 dip->mixer_class = CSAUDIO_INPUT_CLASS;
542 dip->type = AUDIO_MIXER_ENUM;
543 dip->prev = CSAUDIO_MONO_LVL;
544 dip->next = AUDIO_MIXER_LAST;
545 goto mute;
546
547 case CSAUDIO_MONITOR_MUTE:
548 dip->mixer_class = CSAUDIO_OUTPUT_CLASS;
549 dip->type = AUDIO_MIXER_ENUM;
550 dip->prev = CSAUDIO_MONITOR_LVL;
551 dip->next = AUDIO_MIXER_LAST;
552 mute:
553 strcpy(dip->label.name, AudioNmute);
554 dip->un.e.num_mem = 2;
555 strcpy(dip->un.e.member[0].label.name, AudioNoff);
556 dip->un.e.member[0].ord = 0;
557 strcpy(dip->un.e.member[1].label.name, AudioNon);
558 dip->un.e.member[1].ord = 1;
559 break;
560
561 case CSAUDIO_REC_LVL: /* record level */
562 dip->type = AUDIO_MIXER_VALUE;
563 dip->mixer_class = CSAUDIO_RECORD_CLASS;
564 dip->prev = AUDIO_MIXER_LAST;
565 dip->next = CSAUDIO_RECORD_SOURCE;
566 strcpy(dip->label.name, AudioNrecord);
567 dip->un.v.num_channels = 2;
568 strcpy(dip->un.v.units.name, AudioNvolume);
569 break;
570
571 case CSAUDIO_RECORD_SOURCE:
572 dip->mixer_class = CSAUDIO_RECORD_CLASS;
573 dip->type = AUDIO_MIXER_ENUM;
574 dip->prev = CSAUDIO_REC_LVL;
575 dip->next = AUDIO_MIXER_LAST;
576 strcpy(dip->label.name, AudioNsource);
577 dip->un.e.num_mem = 4;
578 strcpy(dip->un.e.member[0].label.name, AudioNoutput);
579 dip->un.e.member[0].ord = DAC_IN_PORT;
580 strcpy(dip->un.e.member[1].label.name, AudioNmicrophone);
581 dip->un.e.member[1].ord = MIC_IN_PORT;
582 strcpy(dip->un.e.member[2].label.name, AudioNdac);
583 dip->un.e.member[2].ord = AUX1_IN_PORT;
584 strcpy(dip->un.e.member[3].label.name, AudioNline);
585 dip->un.e.member[3].ord = LINE_IN_PORT;
586 break;
587
588 case CSAUDIO_INPUT_CLASS: /* input class descriptor */
589 dip->type = AUDIO_MIXER_CLASS;
590 dip->mixer_class = CSAUDIO_INPUT_CLASS;
591 dip->next = dip->prev = AUDIO_MIXER_LAST;
592 strcpy(dip->label.name, AudioCinputs);
593 break;
594
595 case CSAUDIO_OUTPUT_CLASS: /* output class descriptor */
596 dip->type = AUDIO_MIXER_CLASS;
597 dip->mixer_class = CSAUDIO_OUTPUT_CLASS;
598 dip->next = dip->prev = AUDIO_MIXER_LAST;
599 strcpy(dip->label.name, AudioCoutputs);
600 break;
601
602 case CSAUDIO_MONITOR_CLASS: /* monitor class descriptor */
603 dip->type = AUDIO_MIXER_CLASS;
604 dip->mixer_class = CSAUDIO_MONITOR_CLASS;
605 dip->next = dip->prev = AUDIO_MIXER_LAST;
606 strcpy(dip->label.name, AudioCmonitor);
607 break;
608
609 case CSAUDIO_RECORD_CLASS: /* record source class */
610 dip->type = AUDIO_MIXER_CLASS;
611 dip->mixer_class = CSAUDIO_RECORD_CLASS;
612 dip->next = dip->prev = AUDIO_MIXER_LAST;
613 strcpy(dip->label.name, AudioCrecord);
614 break;
615
616 default:
617 return ENXIO;
618 /*NOTREACHED*/
619 }
620 DPRINTF(("AUDIO_MIXER_DEVINFO: name=%s\n", dip->label.name));
621
622 return (0);
623 }
624
625 int
626 cs4231_trigger_output(addr, start, end, blksize, intr, arg, param)
627 void *addr;
628 void *start, *end;
629 int blksize;
630 void (*intr) __P((void *));
631 void *arg;
632 struct audio_params *param;
633 {
634 struct cs4231_softc *sc = addr;
635 struct cs_dma *p;
636 volatile struct apc_dma *dma = sc->sc_dmareg;
637 int csr;
638 vsize_t n;
639
640 if (sc->sc_locked != 0) {
641 printf("cs4231_trigger_output: already running\n");
642 return (EINVAL);
643 }
644
645 sc->sc_locked = 1;
646 sc->sc_pintr = intr;
647 sc->sc_parg = arg;
648
649 for (p = sc->sc_dmas; p != NULL && p->addr != start; p = p->next)
650 /*void*/;
651 if (p == NULL) {
652 printf("cs4231_trigger_output: bad addr %p\n", start);
653 return (EINVAL);
654 }
655
656 n = (char *)end - (char *)start;
657
658 /* XXX
659 * Do only `blksize' at a time, so audio_pint() is kept
660 * synchronous with us...
661 */
662 /*XXX*/sc->sc_blksz = blksize;
663 /*XXX*/sc->sc_nowplaying = p;
664 /*XXX*/sc->sc_playsegsz = n;
665
666 if (n > APC_MAX)
667 n = APC_MAX;
668
669 sc->sc_playcnt = n;
670
671 DPRINTF(("trigger_out: start %p, end %p, size %lu; "
672 "dmaaddr 0x%lx, dmacnt %lu, segsize %lu\n",
673 start, end, (u_long)sc->sc_playsegsz,
674 (u_long)p->dmamap->dm_segs[0].ds_addr,
675 (u_long)n, (u_long)p->size));
676
677 csr = dma->dmacsr;
678 dma->dmapnva = (u_long)p->dmamap->dm_segs[0].ds_addr;
679 dma->dmapnc = (u_long)n;
680 if ((csr & PDMA_GO) == 0 || (csr & APC_PPAUSE) != 0) {
681 int reg;
682
683 dma->dmacsr &= ~(APC_PIE|APC_PPAUSE);
684 dma->dmacsr |= APC_EI|APC_IE|APC_PIE|APC_EIE|APC_PMIE|PDMA_GO;
685
686 /* Start chip */
687
688 /* Probably should just ignore this.. */
689 ad_write(&sc->sc_ad1848, SP_LOWER_BASE_COUNT, 0xff);
690 ad_write(&sc->sc_ad1848, SP_UPPER_BASE_COUNT, 0xff);
691
692 reg = ad_read(&sc->sc_ad1848, SP_INTERFACE_CONFIG);
693 ad_write(&sc->sc_ad1848, SP_INTERFACE_CONFIG,
694 (PLAYBACK_ENABLE|reg));
695 }
696
697 return (0);
698 }
699
700 int
701 cs4231_trigger_input(addr, start, end, blksize, intr, arg, param)
702 void *addr;
703 void *start, *end;
704 int blksize;
705 void (*intr) __P((void *));
706 void *arg;
707 struct audio_params *param;
708 {
709 return (ENXIO);
710 }
711
712 int
713 cs4231_halt_output(addr)
714 void *addr;
715 {
716 struct cs4231_softc *sc = addr;
717 volatile struct apc_dma *dma = sc->sc_dmareg;
718 int reg;
719
720 dma->dmacsr &= ~(APC_EI | APC_IE | APC_PIE | APC_EIE | PDMA_GO | APC_PMIE);
721 reg = ad_read(&sc->sc_ad1848, SP_INTERFACE_CONFIG);
722 ad_write(&sc->sc_ad1848, SP_INTERFACE_CONFIG, (reg & ~PLAYBACK_ENABLE));
723 sc->sc_locked = 0;
724
725 return (0);
726 }
727
728 int
729 cs4231_halt_input(addr)
730 void *addr;
731 {
732 struct cs4231_softc *sc = addr;
733 int reg;
734
735 reg = ad_read(&sc->sc_ad1848, SP_INTERFACE_CONFIG);
736 ad_write(&sc->sc_ad1848, SP_INTERFACE_CONFIG, (reg & ~CAPTURE_ENABLE));
737 sc->sc_locked = 0;
738
739 return (0);
740 }
741
742
743 int
744 cs4231_intr(arg)
745 void *arg;
746 {
747 struct cs4231_softc *sc = arg;
748 volatile struct apc_dma *dma = sc->sc_dmareg;
749 struct cs_dma *p;
750 int ret = 0;
751 int csr;
752 int reg, status;
753 #if defined(DEBUG) || defined(AUDIO_DEBUG)
754 char bits[128];
755 #endif
756
757 #ifdef AUDIO_DEBUG
758 if (cs4231debug > 1)
759 cs4231_regdump("audiointr", sc);
760 #endif
761
762 /* Read DMA status */
763 csr = dma->dmacsr;
764 DPRINTF((
765 "intr: csr=%s; dmapva=0x%lx,dmapc=%lu;dmapnva=0x%lx,dmapnc=%lu\n",
766 bitmask_snprintf(csr, APC_BITS, bits, sizeof(bits)),
767 (u_long)dma->dmapva, (u_long)dma->dmapc,
768 (u_long)dma->dmapnva, (u_long)dma->dmapnc));
769
770 status = ADREAD(&sc->sc_ad1848, AD1848_STATUS);
771 DPRINTF(("%s: status: %s\n", sc->sc_ad1848.sc_dev.dv_xname,
772 bitmask_snprintf(status, AD_R2_BITS, bits, sizeof(bits))));
773 if (status & (INTERRUPT_STATUS | SAMPLE_ERROR)) {
774 reg = ad_read(&sc->sc_ad1848, CS_IRQ_STATUS);
775 DPRINTF(("%s: i24: %s\n", sc->sc_ad1848.sc_dev.dv_xname,
776 bitmask_snprintf(reg, CS_I24_BITS, bits, sizeof(bits))));
777
778 if (reg & CS_IRQ_PI) {
779 ad_write(&sc->sc_ad1848, SP_LOWER_BASE_COUNT, 0xff);
780 ad_write(&sc->sc_ad1848, SP_UPPER_BASE_COUNT, 0xff);
781 }
782 /* Clear interrupt bit */
783 ADWRITE(&sc->sc_ad1848, AD1848_STATUS, 0);
784 }
785
786 /* Write back DMA status (clears interrupt) */
787 dma->dmacsr = csr;
788
789 /*
790 * Simplistic.. if "play emtpy" is set advance to next chunk.
791 */
792 #if 1
793 /* Ack all play interrupts*/
794 if ((csr & (APC_PI|APC_PD|APC_PIE|APC_PMI)) != 0)
795 ret = 1;
796 #endif
797 if (csr & APC_PM) {
798 u_long nextaddr, togo;
799
800 p = sc->sc_nowplaying;
801
802 togo = sc->sc_playsegsz - sc->sc_playcnt;
803 if (togo == 0) {
804 /* Roll over */
805 nextaddr = (u_long)p->dmamap->dm_segs[0].ds_addr;
806 sc->sc_playcnt = togo = APC_MAX;
807 } else {
808 nextaddr = dma->dmapnva + APC_MAX;
809 if (togo > APC_MAX)
810 togo = APC_MAX;
811 sc->sc_playcnt += togo;
812 }
813
814 dma->dmapnva = nextaddr;
815 dma->dmapnc = togo;
816
817 if (sc->sc_pintr != NULL)
818 (*sc->sc_pintr)(sc->sc_parg);
819
820 ret = 1;
821 }
822
823 if (csr & APC_CI) {
824 if (sc->sc_rintr != NULL) {
825 ret = 1;
826 (*sc->sc_rintr)(sc->sc_rarg);
827 }
828 }
829
830 #ifdef DEBUG
831 if (ret == 0) {
832 printf(
833 "oops: csr=%s; dmapva=0x%lx,dmapc=%lu;dmapnva=0x%lx,dmapnc=%lu\n",
834 bitmask_snprintf(csr, APC_BITS, bits, sizeof(bits)),
835 (u_long)dma->dmapva, (u_long)dma->dmapc,
836 (u_long)dma->dmapnva, (u_long)dma->dmapnc);
837 ret = 1;
838 }
839 #endif
840
841 return (ret);
842 }
843 #endif /* NAUDIO > 0 */
844