xref: /netbsd-src/sys/dev/ic/cs4231.c (revision 3b01aba77a7a698587faaae455bbfe740923c1f5)
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