xref: /netbsd-src/sys/dev/pci/eap.c (revision aa73cae19608873cc4d1f712c4a0f8f8435f1ffa)
1 /*	$NetBSD: eap.c,v 1.78 2005/02/27 00:27:32 perry Exp $	*/
2 /*      $OpenBSD: eap.c,v 1.6 1999/10/05 19:24:42 csapuntz Exp $ */
3 
4 /*
5  * Copyright (c) 1998, 1999, 2002 The NetBSD Foundation, Inc.
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to The NetBSD Foundation
9  * by Lennart Augustsson <augustss@NetBSD.org>, Charles M. Hannum, and
10  * Antti Kantee <pooka@NetBSD.org>.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. All advertising materials mentioning features or use of this software
21  *    must display the following acknowledgement:
22  *        This product includes software developed by the NetBSD
23  *        Foundation, Inc. and its contributors.
24  * 4. Neither the name of The NetBSD Foundation nor the names of its
25  *    contributors may be used to endorse or promote products derived
26  *    from this software without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38  * POSSIBILITY OF SUCH DAMAGE.
39  */
40 
41 /*
42  * Debugging:   Andreas Gustafsson <gson@araneus.fi>
43  * Testing:     Chuck Cranor       <chuck@maria.wustl.edu>
44  *              Phil Nelson        <phil@cs.wwu.edu>
45  *
46  * ES1371/AC97:	Ezra Story         <ezy@panix.com>
47  */
48 
49 /*
50  * Ensoniq ES1370 + AK4531 and ES1371/ES1373 + AC97
51  *
52  * Documentation links:
53  *
54  * ftp://ftp.alsa-project.org/pub/manuals/ensoniq/
55  * ftp://ftp.alsa-project.org/pub/manuals/asahi_kasei/4531.pdf
56  * ftp://download.intel.com/ial/scalableplatforms/audio/ac97r21.pdf
57  */
58 
59 #include <sys/cdefs.h>
60 __KERNEL_RCSID(0, "$NetBSD: eap.c,v 1.78 2005/02/27 00:27:32 perry Exp $");
61 
62 #include "midi.h"
63 #include "joy_eap.h"
64 
65 #include <sys/param.h>
66 #include <sys/systm.h>
67 #include <sys/kernel.h>
68 #include <sys/fcntl.h>
69 #include <sys/malloc.h>
70 #include <sys/device.h>
71 #include <sys/proc.h>
72 #include <sys/select.h>
73 
74 #include <dev/pci/pcidevs.h>
75 #include <dev/pci/pcivar.h>
76 
77 #include <sys/audioio.h>
78 #include <dev/audio_if.h>
79 #include <dev/midi_if.h>
80 #include <dev/audiovar.h>
81 #include <dev/mulaw.h>
82 #include <dev/auconv.h>
83 #include <dev/ic/ac97var.h>
84 
85 #include <machine/bus.h>
86 
87 #include <dev/pci/eapreg.h>
88 #include <dev/pci/eapvar.h>
89 
90 #define	PCI_CBIO		0x10
91 
92 /* Debug */
93 #ifdef AUDIO_DEBUG
94 #define DPRINTF(x)	if (eapdebug) printf x
95 #define DPRINTFN(n,x)	if (eapdebug>(n)) printf x
96 int	eapdebug = 0;
97 #else
98 #define DPRINTF(x)
99 #define DPRINTFN(n,x)
100 #endif
101 
102 int	eap_match(struct device *, struct cfdata *, void *);
103 void	eap_attach(struct device *, struct device *, void *);
104 int	eap_detach(struct device *, int);
105 int	eap_intr(void *);
106 
107 struct eap_dma {
108 	bus_dmamap_t map;
109 	caddr_t addr;
110 	bus_dma_segment_t segs[1];
111 	int nsegs;
112 	size_t size;
113 	struct eap_dma *next;
114 };
115 
116 #define DMAADDR(p) ((p)->map->dm_segs[0].ds_addr)
117 #define KERNADDR(p) ((void *)((p)->addr))
118 
119 /*
120  * The card has two DACs. Using them is a bit twisted: we use DAC2
121  * as default and DAC1 as the optional secondary DAC.
122  */
123 #define EAP_DAC1 1
124 #define EAP_DAC2 0
125 #define EAP_I1 EAP_DAC2
126 #define EAP_I2 EAP_DAC1
127 struct eap_instance {
128 	struct device *parent;
129 	int index;
130 
131 	void	(*ei_pintr)(void *);	/* DMA completion intr handler */
132 	void	*ei_parg;		/* arg for ei_intr() */
133 	struct device *ei_audiodev;		/* audio device, for detach */
134 #ifdef DIAGNOSTIC
135 	char	ei_prun;
136 #endif
137 };
138 
139 struct eap_softc {
140 	struct device sc_dev;		/* base device */
141 	void *sc_ih;			/* interrupt vectoring */
142 	bus_space_tag_t iot;
143 	bus_space_handle_t ioh;
144 	bus_size_t iosz;
145 	bus_dma_tag_t sc_dmatag;	/* DMA tag */
146 
147 	struct eap_dma *sc_dmas;
148 
149 	void	(*sc_rintr)(void *);	/* DMA completion intr handler */
150 	void	*sc_rarg;		/* arg for sc_intr() */
151 #ifdef DIAGNOSTIC
152 	char	sc_rrun;
153 #endif
154 
155 #if NMIDI > 0
156 	void	(*sc_iintr)(void *, int); /* midi input ready handler */
157 	void	(*sc_ointr)(void *);	/* midi output ready handler */
158 	void	*sc_arg;
159 	struct device *sc_mididev;
160 #endif
161 #if NJOY_EAP > 0
162 	struct device *sc_gameport;
163 #endif
164 
165 	u_short	sc_port[AK_NPORTS];	/* mirror of the hardware setting */
166 	u_int	sc_record_source;	/* recording source mask */
167 	u_int	sc_input_source;	/* input source mask */
168 	u_int	sc_mic_preamp;
169 	char    sc_1371;		/* Using ES1371/AC97 codec */
170 
171 	struct ac97_codec_if *codec_if;
172 	struct ac97_host_if host_if;
173 
174 	struct eap_instance sc_ei[2];
175 
176 	pci_chipset_tag_t sc_pc;	/* For detach */
177 };
178 
179 int	eap_allocmem(struct eap_softc *, size_t, size_t, struct eap_dma *);
180 int	eap_freemem(struct eap_softc *, struct eap_dma *);
181 
182 #define EWRITE1(sc, r, x) bus_space_write_1((sc)->iot, (sc)->ioh, (r), (x))
183 #define EWRITE2(sc, r, x) bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x))
184 #define EWRITE4(sc, r, x) bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x))
185 #define EREAD1(sc, r) bus_space_read_1((sc)->iot, (sc)->ioh, (r))
186 #define EREAD2(sc, r) bus_space_read_2((sc)->iot, (sc)->ioh, (r))
187 #define EREAD4(sc, r) bus_space_read_4((sc)->iot, (sc)->ioh, (r))
188 
189 CFATTACH_DECL(eap, sizeof(struct eap_softc),
190     eap_match, eap_attach, eap_detach, NULL);
191 
192 int	eap_open(void *, int);
193 int	eap_query_encoding(void *, struct audio_encoding *);
194 int	eap_set_params(void *, int, int, audio_params_t *, audio_params_t *,
195 		       stream_filter_list_t *, stream_filter_list_t *);
196 int	eap_round_blocksize(void *, int, int, const audio_params_t *);
197 int	eap_trigger_output(void *, void *, void *, int, void (*)(void *),
198 	    void *, const audio_params_t *);
199 int	eap_trigger_input(void *, void *, void *, int, void (*)(void *),
200 	    void *, const audio_params_t *);
201 int	eap_halt_output(void *);
202 int	eap_halt_input(void *);
203 void    eap1370_write_codec(struct eap_softc *, int, int);
204 int	eap_getdev(void *, struct audio_device *);
205 int	eap1370_mixer_set_port(void *, mixer_ctrl_t *);
206 int	eap1370_mixer_get_port(void *, mixer_ctrl_t *);
207 int	eap1371_mixer_set_port(void *, mixer_ctrl_t *);
208 int	eap1371_mixer_get_port(void *, mixer_ctrl_t *);
209 int	eap1370_query_devinfo(void *, mixer_devinfo_t *);
210 void   *eap_malloc(void *, int, size_t, struct malloc_type *, int);
211 void	eap_free(void *, void *, struct malloc_type *);
212 size_t	eap_round_buffersize(void *, int, size_t);
213 paddr_t	eap_mappage(void *, void *, off_t, int);
214 int	eap_get_props(void *);
215 void	eap1370_set_mixer(struct eap_softc *, int, int);
216 uint32_t eap1371_src_wait(struct eap_softc *);
217 void	eap1371_set_adc_rate(struct eap_softc *, int);
218 void	eap1371_set_dac_rate(struct eap_instance *, int);
219 int	eap1371_src_read(struct eap_softc *, int);
220 void	eap1371_src_write(struct eap_softc *, int, int);
221 int	eap1371_query_devinfo(void *, mixer_devinfo_t *);
222 
223 int     eap1371_attach_codec(void *, struct ac97_codec_if *);
224 int	eap1371_read_codec(void *, uint8_t, uint16_t *);
225 int	eap1371_write_codec(void *, uint8_t, uint16_t );
226 int     eap1371_reset_codec(void *);
227 #if NMIDI > 0
228 void	eap_midi_close(void *);
229 void	eap_midi_getinfo(void *, struct midi_info *);
230 int	eap_midi_open(void *, int, void (*)(void *, int),
231 	    void (*)(void *), void *);
232 int	eap_midi_output(void *, int);
233 #endif
234 
235 const struct audio_hw_if eap1370_hw_if = {
236 	eap_open,
237 	NULL,			/* close */
238 	NULL,
239 	eap_query_encoding,
240 	eap_set_params,
241 	eap_round_blocksize,
242 	NULL,
243 	NULL,
244 	NULL,
245 	NULL,
246 	NULL,
247 	eap_halt_output,
248 	eap_halt_input,
249 	NULL,
250 	eap_getdev,
251 	NULL,
252 	eap1370_mixer_set_port,
253 	eap1370_mixer_get_port,
254 	eap1370_query_devinfo,
255 	eap_malloc,
256 	eap_free,
257 	eap_round_buffersize,
258 	eap_mappage,
259 	eap_get_props,
260 	eap_trigger_output,
261 	eap_trigger_input,
262 	NULL,
263 };
264 
265 const struct audio_hw_if eap1371_hw_if = {
266 	eap_open,
267 	NULL,			/* close */
268 	NULL,
269 	eap_query_encoding,
270 	eap_set_params,
271 	eap_round_blocksize,
272 	NULL,
273 	NULL,
274 	NULL,
275 	NULL,
276 	NULL,
277 	eap_halt_output,
278 	eap_halt_input,
279 	NULL,
280 	eap_getdev,
281 	NULL,
282 	eap1371_mixer_set_port,
283 	eap1371_mixer_get_port,
284 	eap1371_query_devinfo,
285 	eap_malloc,
286 	eap_free,
287 	eap_round_buffersize,
288 	eap_mappage,
289 	eap_get_props,
290 	eap_trigger_output,
291 	eap_trigger_input,
292 	NULL,
293 };
294 
295 #if NMIDI > 0
296 const struct midi_hw_if eap_midi_hw_if = {
297 	eap_midi_open,
298 	eap_midi_close,
299 	eap_midi_output,
300 	eap_midi_getinfo,
301 	0,				/* ioctl */
302 };
303 #endif
304 
305 struct audio_device eap_device = {
306 	"Ensoniq AudioPCI",
307 	"",
308 	"eap"
309 };
310 
311 #define EAP_NFORMATS	4
312 static const struct audio_format eap_formats[EAP_NFORMATS] = {
313 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
314 	 2, AUFMT_STEREO, 0, {4000, 48000}},
315 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
316 	 1, AUFMT_MONAURAL, 0, {4000, 48000}},
317 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
318 	 2, AUFMT_STEREO, 0, {4000, 48000}},
319 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
320 	 1, AUFMT_MONAURAL, 0, {4000, 48000}},
321 };
322 
323 int
324 eap_match(struct device *parent, struct cfdata *match, void *aux)
325 {
326 	struct pci_attach_args *pa;
327 
328 	pa = (struct pci_attach_args *)aux;
329 	switch (PCI_VENDOR(pa->pa_id)) {
330 	case PCI_VENDOR_CREATIVELABS:
331 		switch (PCI_PRODUCT(pa->pa_id)) {
332 		case PCI_PRODUCT_CREATIVELABS_EV1938:
333 			return 1;
334 		}
335 		break;
336 	case PCI_VENDOR_ENSONIQ:
337 		switch (PCI_PRODUCT(pa->pa_id)) {
338 		case PCI_PRODUCT_ENSONIQ_AUDIOPCI:
339 		case PCI_PRODUCT_ENSONIQ_AUDIOPCI97:
340 		case PCI_PRODUCT_ENSONIQ_CT5880:
341 			return 1;
342 		}
343 		break;
344 	}
345 
346 	return 0;
347 }
348 
349 void
350 eap1370_write_codec(struct eap_softc *sc, int a, int d)
351 {
352 	int icss, to;
353 
354 	to = EAP_WRITE_TIMEOUT;
355 	do {
356 		icss = EREAD4(sc, EAP_ICSS);
357 		DPRINTFN(5,("eap: codec %d prog: icss=0x%08x\n", a, icss));
358 		if (!to--) {
359 			printf("eap: timeout writing to codec\n");
360 			return;
361 		}
362 	} while(icss & EAP_CWRIP);  /* XXX could use CSTAT here */
363 	EWRITE4(sc, EAP_CODEC, EAP_SET_CODEC(a, d));
364 }
365 
366 /*
367  * Reading and writing the CODEC is very convoluted.  This mimics the
368  * FreeBSD and Linux drivers.
369  */
370 
371 static __inline void
372 eap1371_ready_codec(struct eap_softc *sc, uint8_t a, uint32_t wd)
373 {
374 	int to, s;
375 	uint32_t src, t;
376 
377 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
378 		if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
379 			break;
380 		delay(1);
381 	}
382 	if (to >= EAP_WRITE_TIMEOUT)
383 		printf("%s: eap1371_ready_codec timeout 1\n",
384 		       sc->sc_dev.dv_xname);
385 
386 	s = splaudio();
387 	src = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
388 	EWRITE4(sc, E1371_SRC, src | E1371_SRC_STATE_OK);
389 
390 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
391 		t = EREAD4(sc, E1371_SRC);
392 		if ((t & E1371_SRC_STATE_MASK) == 0)
393 			break;
394 		delay(1);
395 	}
396 	if (to >= EAP_READ_TIMEOUT)
397 		printf("%s: eap1371_ready_codec timeout 2\n",
398 		       sc->sc_dev.dv_xname);
399 
400 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
401 		t = EREAD4(sc, E1371_SRC);
402 		if ((t & E1371_SRC_STATE_MASK) == E1371_SRC_STATE_OK)
403 			break;
404 		delay(1);
405 	}
406 	if (to >= EAP_READ_TIMEOUT)
407 		printf("%s: eap1371_ready_codec timeout 3\n",
408 		       sc->sc_dev.dv_xname);
409 
410 	EWRITE4(sc, E1371_CODEC, wd);
411 
412 	eap1371_src_wait(sc);
413 	EWRITE4(sc, E1371_SRC, src);
414 
415 	splx(s);
416 }
417 
418 int
419 eap1371_read_codec(void *sc_, uint8_t a, uint16_t *d)
420 {
421 	struct eap_softc *sc;
422 	int to;
423 	uint32_t t;
424 
425 	sc = sc_;
426 	eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, 0) | E1371_CODEC_READ);
427 
428 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
429 		if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
430 			break;
431 	}
432 	if (to > EAP_WRITE_TIMEOUT)
433 		printf("%s: eap1371_read_codec timeout 1\n",
434 		       sc->sc_dev.dv_xname);
435 
436 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
437 		t = EREAD4(sc, E1371_CODEC);
438 		if (t & E1371_CODEC_VALID)
439 			break;
440 	}
441 	if (to > EAP_WRITE_TIMEOUT)
442 		printf("%s: eap1371_read_codec timeout 2\n",
443 		       sc->sc_dev.dv_xname);
444 
445 	*d = (uint16_t)t;
446 
447 	DPRINTFN(10, ("eap1371: reading codec (%x) = %x\n", a, *d));
448 
449 	return 0;
450 }
451 
452 int
453 eap1371_write_codec(void *sc_, uint8_t a, uint16_t d)
454 {
455 	struct eap_softc *sc;
456 
457 	sc = sc_;
458 	eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, d));
459 
460 	DPRINTFN(10, ("eap1371: writing codec %x --> %x\n", d, a));
461 
462 	return 0;
463 }
464 
465 uint32_t
466 eap1371_src_wait(struct eap_softc *sc)
467 {
468 	int to;
469 	u_int32_t src;
470 
471 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
472 		src = EREAD4(sc, E1371_SRC);
473 		if (!(src & E1371_SRC_RBUSY))
474 			return src;
475 		delay(1);
476 	}
477 	printf("%s: eap1371_src_wait timeout\n", sc->sc_dev.dv_xname);
478 	return src;
479 }
480 
481 int
482 eap1371_src_read(struct eap_softc *sc, int a)
483 {
484 	int to;
485 	uint32_t src, t;
486 
487 	src = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
488 	src |= E1371_SRC_ADDR(a);
489 	EWRITE4(sc, E1371_SRC, src | E1371_SRC_STATE_OK);
490 
491 	t = eap1371_src_wait(sc);
492 	if ((t & E1371_SRC_STATE_MASK) != E1371_SRC_STATE_OK) {
493 		for (to = 0; to < EAP_READ_TIMEOUT; to++) {
494 			t = EREAD4(sc, E1371_SRC);
495 			if ((t & E1371_SRC_STATE_MASK) == E1371_SRC_STATE_OK)
496 				break;
497 			delay(1);
498 		}
499 	}
500 
501 	EWRITE4(sc, E1371_SRC, src);
502 
503 	return t & E1371_SRC_DATAMASK;
504 }
505 
506 void
507 eap1371_src_write(struct eap_softc *sc, int a, int d)
508 {
509 	uint32_t r;
510 
511 	r = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
512 	r |= E1371_SRC_RAMWE | E1371_SRC_ADDR(a) | E1371_SRC_DATA(d);
513 	EWRITE4(sc, E1371_SRC, r);
514 }
515 
516 void
517 eap1371_set_adc_rate(struct eap_softc *sc, int rate)
518 {
519 	int freq, n, truncm;
520 	int out;
521 	int s;
522 
523 	/* Whatever, it works, so I'll leave it :) */
524 
525 	if (rate > 48000)
526 		rate = 48000;
527 	if (rate < 4000)
528 		rate = 4000;
529 	n = rate / 3000;
530 	if ((1 << n) & SRC_MAGIC)
531 		n--;
532 	truncm = ((21 * n) - 1) | 1;
533 	freq = ((48000 << 15) / rate) * n;
534 	if (rate >= 24000) {
535 		if (truncm > 239)
536 			truncm = 239;
537 		out = ESRC_SET_TRUNC((239 - truncm) / 2);
538 	} else {
539 		if (truncm > 119)
540 			truncm = 119;
541 		out = ESRC_SMF | ESRC_SET_TRUNC((119 - truncm) / 2);
542 	}
543 	out |= ESRC_SET_N(n);
544 	s = splaudio();
545 	eap1371_src_write(sc, ESRC_ADC+ESRC_TRUNC_N, out);
546 
547 	out = eap1371_src_read(sc, ESRC_ADC+ESRC_IREGS) & 0xff;
548 	eap1371_src_write(sc, ESRC_ADC+ESRC_IREGS, out |
549 			  ESRC_SET_VFI(freq >> 15));
550 	eap1371_src_write(sc, ESRC_ADC+ESRC_VFF, freq & 0x7fff);
551 	eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(n));
552 	eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(n));
553 	splx(s);
554 }
555 
556 void
557 eap1371_set_dac_rate(struct eap_instance *ei, int rate)
558 {
559 	struct eap_softc *sc;
560 	int dac;
561 	int freq, r;
562 	int s;
563 
564 	DPRINTFN(2, ("eap1371_set_dac_date: set rate for %d\n", ei->index));
565 	sc = (struct eap_softc *)ei->parent;
566 	dac = ei->index == EAP_DAC1 ? ESRC_DAC1 : ESRC_DAC2;
567 
568 	/* Whatever, it works, so I'll leave it :) */
569 
570 	if (rate > 48000)
571 	    rate = 48000;
572 	if (rate < 4000)
573 	    rate = 4000;
574 	freq = ((rate << 15) + 1500) / 3000;
575 
576 	s = splaudio();
577 	eap1371_src_wait(sc);
578 	r = EREAD4(sc, E1371_SRC) & (E1371_SRC_DISABLE |
579 	    E1371_SRC_DISP2 | E1371_SRC_DISP1 | E1371_SRC_DISREC);
580 	r |= ei->index == EAP_DAC1 ? E1371_SRC_DISP1 : E1371_SRC_DISP2;
581 	EWRITE4(sc, E1371_SRC, r);
582 	r = eap1371_src_read(sc, dac + ESRC_IREGS) & 0x00ff;
583 	eap1371_src_write(sc, dac + ESRC_IREGS, r | ((freq >> 5) & 0xfc00));
584 	eap1371_src_write(sc, dac + ESRC_VFF, freq & 0x7fff);
585 	r = EREAD4(sc, E1371_SRC) & (E1371_SRC_DISABLE |
586 	    E1371_SRC_DISP2 | E1371_SRC_DISP1 | E1371_SRC_DISREC);
587 	r &= ~(ei->index == EAP_DAC1 ? E1371_SRC_DISP1 : E1371_SRC_DISP2);
588 	EWRITE4(sc, E1371_SRC, r);
589 	splx(s);
590 }
591 
592 void
593 eap_attach(struct device *parent, struct device *self, void *aux)
594 {
595 	struct eap_softc *sc;
596 	struct pci_attach_args *pa;
597 	pci_chipset_tag_t pc;
598 	const struct audio_hw_if *eap_hw_if;
599 	char const *intrstr;
600 	pci_intr_handle_t ih;
601 	pcireg_t csr;
602 	char devinfo[256];
603 	mixer_ctrl_t ctl;
604 	int i;
605 	int revision, ct5880;
606 	const char *revstr;
607 #if NJOY_EAP > 0
608 	struct eap_gameport_args gpargs;
609 #endif
610 
611 	sc = (struct eap_softc *)self;
612 	pa = (struct pci_attach_args *)aux;
613 	pc = pa->pa_pc;
614 	revstr = "";
615 	aprint_naive(": Audio controller\n");
616 
617 	/* Stash this away for detach */
618 	sc->sc_pc = pc;
619 
620 	/* Flag if we're "creative" */
621 	sc->sc_1371 = !(PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
622 			PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_AUDIOPCI);
623 
624 	/*
625 	 * The vendor and product ID's are quite "interesting". Just
626 	 * trust the following and be happy.
627 	 */
628 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
629 	revision = PCI_REVISION(pa->pa_class);
630 	ct5880 = 0;
631 	if (sc->sc_1371) {
632 		if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
633 		    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_CT5880) {
634 			ct5880 = 1;
635 			switch (revision) {
636 			case EAP_CT5880_C: revstr = "CT5880-C "; break;
637 			case EAP_CT5880_D: revstr = "CT5880-D "; break;
638 			case EAP_CT5880_E: revstr = "CT5880-E "; break;
639 			}
640 		} else {
641 			switch (revision) {
642 			case EAP_EV1938_A: revstr = "EV1938-A "; break;
643 			case EAP_ES1373_A: revstr = "ES1373-A "; break;
644 			case EAP_ES1373_B: revstr = "ES1373-B "; break;
645 			case EAP_CT5880_A: revstr = "CT5880-A "; ct5880=1;break;
646 			case EAP_ES1373_8: revstr = "ES1373-8" ; ct5880=1;break;
647 			case EAP_ES1371_B: revstr = "ES1371-B "; break;
648 			}
649 		}
650 	}
651 	aprint_normal(": %s %s(rev. 0x%02x)\n", devinfo, revstr, revision);
652 
653 	/* Map I/O register */
654 	if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
655 	      &sc->iot, &sc->ioh, NULL, &sc->iosz)) {
656 		aprint_error("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
657 		return;
658 	}
659 
660 	sc->sc_dmatag = pa->pa_dmat;
661 
662 	/* Enable the device. */
663 	csr = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
664 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
665 		       csr | PCI_COMMAND_MASTER_ENABLE);
666 
667 	/* Map and establish the interrupt. */
668 	if (pci_intr_map(pa, &ih)) {
669 		aprint_error("%s: couldn't map interrupt\n",
670 		    sc->sc_dev.dv_xname);
671 		return;
672 	}
673 	intrstr = pci_intr_string(pc, ih);
674 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, eap_intr, sc);
675 	if (sc->sc_ih == NULL) {
676 		aprint_error("%s: couldn't establish interrupt",
677 		    sc->sc_dev.dv_xname);
678 		if (intrstr != NULL)
679 			aprint_normal(" at %s", intrstr);
680 		aprint_normal("\n");
681 		return;
682 	}
683 	aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
684 
685 	sc->sc_ei[EAP_I1].parent = (struct device *)sc;
686 	sc->sc_ei[EAP_I1].index = EAP_DAC2;
687 	sc->sc_ei[EAP_I2].parent = (struct device *)sc;
688 	sc->sc_ei[EAP_I2].index = EAP_DAC1;
689 
690 	if (!sc->sc_1371) {
691 		/* Enable interrupts and looping mode. */
692 		/* enable the parts we need */
693 		EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
694 		EWRITE4(sc, EAP_ICSC, EAP_CDC_EN);
695 
696 		/* reset codec */
697 		/* normal operation */
698 		/* select codec clocks */
699 		eap1370_write_codec(sc, AK_RESET, AK_PD);
700 		eap1370_write_codec(sc, AK_RESET, AK_PD | AK_NRST);
701 		eap1370_write_codec(sc, AK_CS, 0x0);
702 
703 		eap_hw_if = &eap1370_hw_if;
704 
705 		/* Enable all relevant mixer switches. */
706 		ctl.dev = EAP_INPUT_SOURCE;
707 		ctl.type = AUDIO_MIXER_SET;
708 		ctl.un.mask = 1 << EAP_VOICE_VOL | 1 << EAP_FM_VOL |
709 			1 << EAP_CD_VOL | 1 << EAP_LINE_VOL | 1 << EAP_AUX_VOL |
710 			1 << EAP_MIC_VOL;
711 		eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
712 
713 		ctl.type = AUDIO_MIXER_VALUE;
714 		ctl.un.value.num_channels = 1;
715 		for (ctl.dev = EAP_MASTER_VOL; ctl.dev < EAP_MIC_VOL;
716 		     ctl.dev++) {
717 			ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = VOL_0DB;
718 			eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
719 		}
720 		ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = 0;
721 		eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
722 		ctl.dev = EAP_MIC_PREAMP;
723 		ctl.type = AUDIO_MIXER_ENUM;
724 		ctl.un.ord = 0;
725 		eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
726 		ctl.dev = EAP_RECORD_SOURCE;
727 		ctl.type = AUDIO_MIXER_SET;
728 		ctl.un.mask = 1 << EAP_MIC_VOL;
729 		eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
730 	} else {
731 		/* clean slate */
732 
733 		EWRITE4(sc, EAP_SIC, 0);
734 		EWRITE4(sc, EAP_ICSC, 0);
735 		EWRITE4(sc, E1371_LEGACY, 0);
736 
737 		if (ct5880) {
738 			EWRITE4(sc, EAP_ICSS, EAP_CT5880_AC97_RESET);
739 			/* Let codec wake up */
740 			delay(20000);
741 		}
742 
743 		/* Reset from es1371's perspective */
744 		EWRITE4(sc, EAP_ICSC, E1371_SYNC_RES);
745 		delay(20);
746 		EWRITE4(sc, EAP_ICSC, 0);
747 
748 		/*
749 		 * Must properly reprogram sample rate converter,
750 		 * or it locks up.  Set some defaults for the life of the
751 		 * machine, and set up a sb default sample rate.
752 		 */
753 		EWRITE4(sc, E1371_SRC, E1371_SRC_DISABLE);
754 		for (i = 0; i < 0x80; i++)
755 			eap1371_src_write(sc, i, 0);
756 		eap1371_src_write(sc, ESRC_DAC1+ESRC_TRUNC_N, ESRC_SET_N(16));
757 		eap1371_src_write(sc, ESRC_DAC2+ESRC_TRUNC_N, ESRC_SET_N(16));
758 		eap1371_src_write(sc, ESRC_DAC1+ESRC_IREGS, ESRC_SET_VFI(16));
759 		eap1371_src_write(sc, ESRC_DAC2+ESRC_IREGS, ESRC_SET_VFI(16));
760 		eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(16));
761 		eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(16));
762 		eap1371_src_write(sc, ESRC_DAC1_VOLL, ESRC_SET_DAC_VOLI(1));
763 		eap1371_src_write(sc, ESRC_DAC1_VOLR, ESRC_SET_DAC_VOLI(1));
764 		eap1371_src_write(sc, ESRC_DAC2_VOLL, ESRC_SET_DAC_VOLI(1));
765 		eap1371_src_write(sc, ESRC_DAC2_VOLR, ESRC_SET_DAC_VOLI(1));
766 		eap1371_set_adc_rate(sc, 22050);
767 		eap1371_set_dac_rate(&sc->sc_ei[0], 22050);
768 		eap1371_set_dac_rate(&sc->sc_ei[1], 22050);
769 
770 		EWRITE4(sc, E1371_SRC, 0);
771 
772 		/* Reset codec */
773 
774 		/* Interrupt enable */
775 		sc->host_if.arg = sc;
776 		sc->host_if.attach = eap1371_attach_codec;
777 		sc->host_if.read = eap1371_read_codec;
778 		sc->host_if.write = eap1371_write_codec;
779 		sc->host_if.reset = eap1371_reset_codec;
780 
781 		if (ac97_attach(&sc->host_if, self) == 0) {
782 			/* Interrupt enable */
783 			EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
784 		} else
785 			return;
786 
787 		eap_hw_if = &eap1371_hw_if;
788 	}
789 
790 	sc->sc_ei[EAP_I1].ei_audiodev =
791 	    audio_attach_mi(eap_hw_if, &sc->sc_ei[EAP_I1], &sc->sc_dev);
792 
793 #ifdef EAP_USE_BOTH_DACS
794 	aprint_normal("%s: attaching secondary DAC\n", sc->sc_dev.dv_xname);
795 	sc->sc_ei[EAP_I2].ei_audiodev =
796 	    audio_attach_mi(eap_hw_if, &sc->sc_ei[EAP_I2], &sc->sc_dev);
797 #endif
798 
799 #if NMIDI > 0
800 	sc->sc_mididev = midi_attach_mi(&eap_midi_hw_if, sc, &sc->sc_dev);
801 #endif
802 
803 #if NJOY_EAP > 0
804 	if (sc->sc_1371) {
805 		gpargs.gpa_iot = sc->iot;
806 		gpargs.gpa_ioh = sc->ioh;
807 		sc->sc_gameport = eap_joy_attach(&sc->sc_dev, &gpargs);
808 	}
809 #endif
810 }
811 
812 int
813 eap_detach(struct device *self, int flags)
814 {
815 	struct eap_softc *sc;
816 	int res;
817 #if NJOY_EAP > 0
818 	struct eap_gameport_args gpargs;
819 
820 	sc = (struct eap_softc *)self;
821 	if (sc->sc_gameport) {
822 		gpargs.gpa_iot = sc->iot;
823 		gpargs.gpa_ioh = sc->ioh;
824 		res = eap_joy_detach(sc->sc_gameport, &gpargs);
825 		if (res)
826 			return res;
827 	}
828 #else
829 	sc = (struct eap_softc *)self;
830 #endif
831 #if NMIDI > 0
832 	if (sc->sc_mididev != NULL) {
833 		res = config_detach(sc->sc_mididev, 0);
834 		if (res)
835 			return res;
836 	}
837 #endif
838 #ifdef EAP_USE_BOTH_DACS
839 	if (sc->sc_ei[EAP_I2].ei_audiodev != NULL) {
840 		res = config_detach(sc->sc_ei[EAP_I2].ei_audiodev, 0);
841 		if (res)
842 			return res;
843 	}
844 #endif
845 	if (sc->sc_ei[EAP_I1].ei_audiodev != NULL) {
846 		res = config_detach(sc->sc_ei[EAP_I1].ei_audiodev, 0);
847 		if (res)
848 			return res;
849 	}
850 
851 	bus_space_unmap(sc->iot, sc->ioh, sc->iosz);
852 	pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
853 
854 	return 0;
855 }
856 
857 int
858 eap1371_attach_codec(void *sc_, struct ac97_codec_if *codec_if)
859 {
860 	struct eap_softc *sc;
861 
862 	sc = sc_;
863 	sc->codec_if = codec_if;
864 	return 0;
865 }
866 
867 int
868 eap1371_reset_codec(void *sc_)
869 {
870 	struct eap_softc *sc;
871 	uint32_t icsc;
872 	int s;
873 
874 	sc = sc_;
875 	s = splaudio();
876 	icsc = EREAD4(sc, EAP_ICSC);
877 	EWRITE4(sc, EAP_ICSC, icsc | E1371_SYNC_RES);
878 	delay(20);
879 	EWRITE4(sc, EAP_ICSC, icsc & ~E1371_SYNC_RES);
880 	delay(1);
881 	splx(s);
882 
883 	return 0;
884 }
885 
886 int
887 eap_intr(void *p)
888 {
889 	struct eap_softc *sc;
890 	uint32_t intr, sic;
891 
892 	sc = p;
893 	intr = EREAD4(sc, EAP_ICSS);
894 	if (!(intr & EAP_INTR))
895 		return 0;
896 	sic = EREAD4(sc, EAP_SIC);
897 	DPRINTFN(5, ("eap_intr: ICSS=0x%08x, SIC=0x%08x\n", intr, sic));
898 	if (intr & EAP_I_ADC) {
899 #if 0
900 		/*
901 		 * XXX This is a hack!
902 		 * The EAP chip sometimes generates the recording interrupt
903 		 * while it is still transferring the data.  To make sure
904 		 * it has all arrived we busy wait until the count is right.
905 		 * The transfer we are waiting for is 8 longwords.
906 		 */
907 		int s, nw, n;
908 		EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
909 		s = EREAD4(sc, EAP_ADC_CSR);
910 		nw = ((s & 0xffff) + 1) >> 2; /* # of words in DMA */
911 		n = 0;
912 		while (((EREAD4(sc, EAP_ADC_SIZE) >> 16) + 8) % nw == 0) {
913 			delay(10);
914 			if (++n > 100) {
915 				printf("eapintr: DMA fix timeout");
916 				break;
917 			}
918 		}
919 		/* Continue with normal interrupt handling. */
920 #endif
921 		EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
922 		EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
923 		if (sc->sc_rintr)
924 			sc->sc_rintr(sc->sc_rarg);
925 	}
926 
927 	if (intr & EAP_I_DAC2) {
928 		EWRITE4(sc, EAP_SIC, sic & ~EAP_P2_INTR_EN);
929 		EWRITE4(sc, EAP_SIC, sic | EAP_P2_INTR_EN);
930 		if (sc->sc_ei[EAP_DAC2].ei_pintr)
931 			sc->sc_ei[EAP_DAC2].ei_pintr(sc->sc_ei[EAP_DAC2].ei_parg);
932 	}
933 
934 	if (intr & EAP_I_DAC1) {
935 		EWRITE4(sc, EAP_SIC, sic & ~EAP_P1_INTR_EN);
936 		EWRITE4(sc, EAP_SIC, sic | EAP_P1_INTR_EN);
937 		if (sc->sc_ei[EAP_DAC1].ei_pintr)
938 			sc->sc_ei[EAP_DAC1].ei_pintr(sc->sc_ei[EAP_DAC1].ei_parg);
939 	}
940 
941 	if (intr & EAP_I_MCCB)
942 		panic("eap_intr: unexpected MCCB interrupt");
943 #if NMIDI > 0
944 	if ((intr & EAP_I_UART) && sc->sc_iintr != NULL) {
945 		uint32_t data;
946 
947 		if (EREAD1(sc, EAP_UART_STATUS) & EAP_US_RXINT) {
948 			while (EREAD1(sc, EAP_UART_STATUS) & EAP_US_RXRDY) {
949 				data = EREAD1(sc, EAP_UART_DATA);
950 				sc->sc_iintr(sc->sc_arg, data);
951 			}
952 		}
953 	}
954 #endif
955 	return 1;
956 }
957 
958 int
959 eap_allocmem(struct eap_softc *sc, size_t size, size_t align, struct eap_dma *p)
960 {
961 	int error;
962 
963 	p->size = size;
964 	error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
965 				 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
966 				 &p->nsegs, BUS_DMA_NOWAIT);
967 	if (error)
968 		return error;
969 
970 	error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
971 			       &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
972 	if (error)
973 		goto free;
974 
975 	error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
976 				  0, BUS_DMA_NOWAIT, &p->map);
977 	if (error)
978 		goto unmap;
979 
980 	error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
981 				BUS_DMA_NOWAIT);
982 	if (error)
983 		goto destroy;
984 	return (0);
985 
986 destroy:
987 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
988 unmap:
989 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
990 free:
991 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
992 	return error;
993 }
994 
995 int
996 eap_freemem(struct eap_softc *sc, struct eap_dma *p)
997 {
998 
999 	bus_dmamap_unload(sc->sc_dmatag, p->map);
1000 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
1001 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
1002 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
1003 	return 0;
1004 }
1005 
1006 int
1007 eap_open(void *addr, int flags)
1008 {
1009 	struct eap_instance *ei;
1010 
1011 	ei = addr;
1012 	/* there is only one ADC */
1013 	if (ei->index == EAP_I2 && flags & FREAD)
1014 		return EOPNOTSUPP;
1015 
1016 	return 0;
1017 }
1018 
1019 int
1020 eap_query_encoding(void *addr, struct audio_encoding *fp)
1021 {
1022 
1023 	switch (fp->index) {
1024 	case 0:
1025 		strcpy(fp->name, AudioEulinear);
1026 		fp->encoding = AUDIO_ENCODING_ULINEAR;
1027 		fp->precision = 8;
1028 		fp->flags = 0;
1029 		return 0;
1030 	case 1:
1031 		strcpy(fp->name, AudioEmulaw);
1032 		fp->encoding = AUDIO_ENCODING_ULAW;
1033 		fp->precision = 8;
1034 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1035 		return 0;
1036 	case 2:
1037 		strcpy(fp->name, AudioEalaw);
1038 		fp->encoding = AUDIO_ENCODING_ALAW;
1039 		fp->precision = 8;
1040 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1041 		return 0;
1042 	case 3:
1043 		strcpy(fp->name, AudioEslinear);
1044 		fp->encoding = AUDIO_ENCODING_SLINEAR;
1045 		fp->precision = 8;
1046 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1047 		return 0;
1048 	case 4:
1049 		strcpy(fp->name, AudioEslinear_le);
1050 		fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
1051 		fp->precision = 16;
1052 		fp->flags = 0;
1053 		return 0;
1054 	case 5:
1055 		strcpy(fp->name, AudioEulinear_le);
1056 		fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
1057 		fp->precision = 16;
1058 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1059 		return 0;
1060 	case 6:
1061 		strcpy(fp->name, AudioEslinear_be);
1062 		fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
1063 		fp->precision = 16;
1064 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1065 		return 0;
1066 	case 7:
1067 		strcpy(fp->name, AudioEulinear_be);
1068 		fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
1069 		fp->precision = 16;
1070 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1071 		return 0;
1072 	default:
1073 		return EINVAL;
1074 	}
1075 }
1076 
1077 int
1078 eap_set_params(void *addr, int setmode, int usemode,
1079 	       audio_params_t *play, audio_params_t *rec,
1080 	       stream_filter_list_t *pfil, stream_filter_list_t *rfil)
1081 {
1082 	struct eap_instance *ei;
1083 	struct eap_softc *sc;
1084 	struct audio_params *p;
1085 	stream_filter_list_t *fil;
1086 	int mode, i;
1087 	uint32_t div;
1088 
1089 	ei = addr;
1090 	sc = (struct eap_softc *)ei->parent;
1091 	/*
1092 	 * The es1370 only has one clock, so make the sample rates match.
1093 	 * This only applies for ADC/DAC2. The FM DAC is handled below.
1094 	 */
1095 	if (!sc->sc_1371 && ei->index == EAP_DAC2) {
1096 	    if (play->sample_rate != rec->sample_rate &&
1097 		usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
1098 		if (setmode == AUMODE_PLAY) {
1099 		    rec->sample_rate = play->sample_rate;
1100 		    setmode |= AUMODE_RECORD;
1101 		} else if (setmode == AUMODE_RECORD) {
1102 		    play->sample_rate = rec->sample_rate;
1103 		    setmode |= AUMODE_PLAY;
1104 		} else
1105 		    return EINVAL;
1106 	    }
1107 	}
1108 
1109 	for (mode = AUMODE_RECORD; mode != -1;
1110 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
1111 		if ((setmode & mode) == 0)
1112 			continue;
1113 
1114 		p = mode == AUMODE_PLAY ? play : rec;
1115 
1116 		if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
1117 		    (p->precision != 8 && p->precision != 16) ||
1118 		    (p->channels != 1 && p->channels != 2))
1119 			return EINVAL;
1120 
1121 		fil = mode == AUMODE_PLAY ? pfil : rfil;
1122 		i = auconv_set_converter(eap_formats, EAP_NFORMATS,
1123 					 mode, p, FALSE, fil);
1124 		if (i < 0)
1125 			return EINVAL;
1126 	}
1127 
1128 	if (sc->sc_1371) {
1129 		eap1371_set_dac_rate(ei, play->sample_rate);
1130 		eap1371_set_adc_rate(sc, rec->sample_rate);
1131 	} else if (ei->index == EAP_DAC2) {
1132 		/* Set the speed */
1133 		DPRINTFN(2, ("eap_set_params: old ICSC = 0x%08x\n",
1134 			     EREAD4(sc, EAP_ICSC)));
1135 		div = EREAD4(sc, EAP_ICSC) & ~EAP_PCLKBITS;
1136 		/*
1137 		 * XXX
1138 		 * The -2 isn't documented, but seemed to make the wall
1139 		 * time match
1140 		 * what I expect.  - mycroft
1141 		 */
1142 		if (usemode == AUMODE_RECORD)
1143 			div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ /
1144 				rec->sample_rate - 2);
1145 		else
1146 			div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ /
1147 				play->sample_rate - 2);
1148 #if 0
1149 		div |= EAP_CCB_INTRM;
1150 #else
1151 		/*
1152 		 * It is not obvious how to acknowledge MCCB interrupts, so
1153 		 * we had better not enable them.
1154 		 */
1155 #endif
1156 		EWRITE4(sc, EAP_ICSC, div);
1157 		DPRINTFN(2, ("eap_set_params: set ICSC = 0x%08x\n", div));
1158 	} else {
1159 		/*
1160 		 * The FM DAC has only a few fixed-frequency choises, so
1161 		 * pick out the best candidate.
1162 		 */
1163 		div = EREAD4(sc, EAP_ICSC);
1164 		DPRINTFN(2, ("eap_set_params: old ICSC = 0x%08x\n", div));
1165 
1166 		div &= ~EAP_WTSRSEL;
1167 		if (play->sample_rate < 8268)
1168 			div |= EAP_WTSRSEL_5;
1169 		else if (play->sample_rate < 16537)
1170 			div |= EAP_WTSRSEL_11;
1171 		else if (play->sample_rate < 33075)
1172 			div |= EAP_WTSRSEL_22;
1173 		else
1174 			div |= EAP_WTSRSEL_44;
1175 
1176 		EWRITE4(sc, EAP_ICSC, div);
1177 		DPRINTFN(2, ("eap_set_params: set ICSC = 0x%08x\n", div));
1178 	}
1179 
1180 	return 0;
1181 }
1182 
1183 int
1184 eap_round_blocksize(void *addr, int blk, int mode, const audio_params_t *param)
1185 {
1186 
1187 	return blk & -32;	/* keep good alignment */
1188 }
1189 
1190 int
1191 eap_trigger_output(
1192 	void *addr,
1193 	void *start,
1194 	void *end,
1195 	int blksize,
1196 	void (*intr)(void *),
1197 	void *arg,
1198 	const audio_params_t *param)
1199 {
1200 	struct eap_instance *ei;
1201 	struct eap_softc *sc;
1202 	struct eap_dma *p;
1203 	uint32_t icsc, sic;
1204 	int sampshift;
1205 
1206 	ei = addr;
1207 	sc = (struct eap_softc *)ei->parent;
1208 #ifdef DIAGNOSTIC
1209 	if (ei->ei_prun)
1210 		panic("eap_trigger_output: already running");
1211 	ei->ei_prun = 1;
1212 #endif
1213 
1214 	DPRINTFN(1, ("eap_trigger_output: sc=%p start=%p end=%p "
1215 	    "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1216 	ei->ei_pintr = intr;
1217 	ei->ei_parg = arg;
1218 
1219 	sic = EREAD4(sc, EAP_SIC);
1220 	sic &= ~(EAP_S_EB(ei->index) | EAP_S_MB(ei->index) | EAP_INC_BITS);
1221 
1222 	if (ei->index == EAP_DAC2)
1223 		sic |= EAP_SET_P2_ST_INC(0)
1224 		    | EAP_SET_P2_END_INC(param->precision / 8);
1225 
1226 	sampshift = 0;
1227 	if (param->precision == 16) {
1228 		sic |= EAP_S_EB(ei->index);
1229 		sampshift++;
1230 	}
1231 	if (param->channels == 2) {
1232 		sic |= EAP_S_MB(ei->index);
1233 		sampshift++;
1234 	}
1235 	EWRITE4(sc, EAP_SIC, sic & ~EAP_P_INTR_EN(ei->index));
1236 	EWRITE4(sc, EAP_SIC, sic | EAP_P_INTR_EN(ei->index));
1237 
1238 	for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1239 		continue;
1240 	if (!p) {
1241 		printf("eap_trigger_output: bad addr %p\n", start);
1242 		return EINVAL;
1243 	}
1244 
1245 	if (ei->index == EAP_DAC2) {
1246 		DPRINTF(("eap_trigger_output: DAC2_ADDR=0x%x, DAC2_SIZE=0x%x\n",
1247 			 (int)DMAADDR(p),
1248 			 (int)EAP_SET_SIZE(0,
1249 			 (((char *)end - (char *)start) >> 2) - 1)));
1250 		EWRITE4(sc, EAP_MEMPAGE, EAP_DAC_PAGE);
1251 		EWRITE4(sc, EAP_DAC2_ADDR, DMAADDR(p));
1252 		EWRITE4(sc, EAP_DAC2_SIZE,
1253 			EAP_SET_SIZE(0,
1254 			((char *)end - (char *)start) >> 2) - 1);
1255 		EWRITE4(sc, EAP_DAC2_CSR, (blksize >> sampshift) - 1);
1256 	} else if (ei->index == EAP_DAC1) {
1257 		DPRINTF(("eap_trigger_output: DAC1_ADDR=0x%x, DAC1_SIZE=0x%x\n",
1258 			 (int)DMAADDR(p),
1259 			 (int)EAP_SET_SIZE(0,
1260 			 (((char *)end - (char *)start) >> 2) - 1)));
1261 		EWRITE4(sc, EAP_MEMPAGE, EAP_DAC_PAGE);
1262 		EWRITE4(sc, EAP_DAC1_ADDR, DMAADDR(p));
1263 		EWRITE4(sc, EAP_DAC1_SIZE,
1264 			EAP_SET_SIZE(0,
1265 			((char *)end - (char *)start) >> 2) - 1);
1266 		EWRITE4(sc, EAP_DAC1_CSR, (blksize >> sampshift) - 1);
1267 	}
1268 #ifdef DIAGNOSTIC
1269 	else
1270 		panic("eap_trigger_output: impossible instance %d", ei->index);
1271 #endif
1272 
1273 	if (sc->sc_1371)
1274 		EWRITE4(sc, E1371_SRC, 0);
1275 
1276 	icsc = EREAD4(sc, EAP_ICSC);
1277 	icsc |= EAP_DAC_EN(ei->index);
1278 	EWRITE4(sc, EAP_ICSC, icsc);
1279 
1280 	DPRINTFN(1, ("eap_trigger_output: set ICSC = 0x%08x\n", icsc));
1281 
1282 	return 0;
1283 }
1284 
1285 int
1286 eap_trigger_input(
1287 	void *addr,
1288 	void *start,
1289 	void *end,
1290 	int blksize,
1291 	void (*intr)(void *),
1292 	void *arg,
1293 	const audio_params_t *param)
1294 {
1295 	struct eap_instance *ei;
1296 	struct eap_softc *sc;
1297 	struct eap_dma *p;
1298 	uint32_t icsc, sic;
1299 	int sampshift;
1300 
1301 	ei = addr;
1302 	sc = (struct eap_softc *)ei->parent;
1303 #ifdef DIAGNOSTIC
1304 	if (sc->sc_rrun)
1305 		panic("eap_trigger_input: already running");
1306 	sc->sc_rrun = 1;
1307 #endif
1308 
1309 	DPRINTFN(1, ("eap_trigger_input: ei=%p start=%p end=%p blksize=%d intr=%p(%p)\n",
1310 	    addr, start, end, blksize, intr, arg));
1311 	sc->sc_rintr = intr;
1312 	sc->sc_rarg = arg;
1313 
1314 	sic = EREAD4(sc, EAP_SIC);
1315 	sic &= ~(EAP_R1_S_EB | EAP_R1_S_MB);
1316 	sampshift = 0;
1317 	if (param->precision == 16) {
1318 		sic |= EAP_R1_S_EB;
1319 		sampshift++;
1320 	}
1321 	if (param->channels == 2) {
1322 		sic |= EAP_R1_S_MB;
1323 		sampshift++;
1324 	}
1325 	EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
1326 	EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
1327 
1328 	for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1329 		continue;
1330 	if (!p) {
1331 		printf("eap_trigger_input: bad addr %p\n", start);
1332 		return (EINVAL);
1333 	}
1334 
1335 	DPRINTF(("eap_trigger_input: ADC_ADDR=0x%x, ADC_SIZE=0x%x\n",
1336 		 (int)DMAADDR(p),
1337 		 (int)EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1)));
1338 	EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
1339 	EWRITE4(sc, EAP_ADC_ADDR, DMAADDR(p));
1340 	EWRITE4(sc, EAP_ADC_SIZE,
1341 		EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1));
1342 
1343 	EWRITE4(sc, EAP_ADC_CSR, (blksize >> sampshift) - 1);
1344 
1345 	if (sc->sc_1371)
1346 		EWRITE4(sc, E1371_SRC, 0);
1347 
1348 	icsc = EREAD4(sc, EAP_ICSC);
1349 	icsc |= EAP_ADC_EN;
1350 	EWRITE4(sc, EAP_ICSC, icsc);
1351 
1352 	DPRINTFN(1, ("eap_trigger_input: set ICSC = 0x%08x\n", icsc));
1353 
1354 	return 0;
1355 }
1356 
1357 int
1358 eap_halt_output(void *addr)
1359 {
1360 	struct eap_instance *ei;
1361 	struct eap_softc *sc;
1362 	uint32_t icsc;
1363 
1364 	DPRINTF(("eap: eap_halt_output\n"));
1365 	ei = addr;
1366 	sc = (struct eap_softc *)ei->parent;
1367 	icsc = EREAD4(sc, EAP_ICSC);
1368 	EWRITE4(sc, EAP_ICSC, icsc & ~(EAP_DAC_EN(ei->index)));
1369 	ei->ei_pintr = 0;
1370 #ifdef DIAGNOSTIC
1371 	ei->ei_prun = 0;
1372 #endif
1373 
1374 	return 0;
1375 }
1376 
1377 int
1378 eap_halt_input(void *addr)
1379 {
1380 	struct eap_instance *ei;
1381 	struct eap_softc *sc;
1382 	uint32_t icsc;
1383 
1384 #define EAP_USE_FMDAC_ALSO
1385 	DPRINTF(("eap: eap_halt_input\n"));
1386 	ei = addr;
1387 	sc = (struct eap_softc *)ei->parent;
1388 	icsc = EREAD4(sc, EAP_ICSC);
1389 	EWRITE4(sc, EAP_ICSC, icsc & ~EAP_ADC_EN);
1390 	sc->sc_rintr = 0;
1391 #ifdef DIAGNOSTIC
1392 	sc->sc_rrun = 0;
1393 #endif
1394 
1395 	return 0;
1396 }
1397 
1398 int
1399 eap_getdev(void *addr, struct audio_device *retp)
1400 {
1401 
1402 	*retp = eap_device;
1403 	return 0;
1404 }
1405 
1406 int
1407 eap1371_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1408 {
1409 	struct eap_instance *ei;
1410 	struct eap_softc *sc;
1411 
1412 	ei = addr;
1413 	sc = (struct eap_softc *)ei->parent;
1414 	return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
1415 }
1416 
1417 int
1418 eap1371_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1419 {
1420 	struct eap_instance *ei;
1421 	struct eap_softc *sc;
1422 
1423 	ei = addr;
1424 	sc = (struct eap_softc *)ei->parent;
1425 	return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
1426 }
1427 
1428 int
1429 eap1371_query_devinfo(void *addr, mixer_devinfo_t *dip)
1430 {
1431 	struct eap_instance *ei;
1432 	struct eap_softc *sc;
1433 
1434 	ei = addr;
1435 	sc = (struct eap_softc *)ei->parent;
1436 	return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
1437 }
1438 
1439 void
1440 eap1370_set_mixer(struct eap_softc *sc, int a, int d)
1441 {
1442 	eap1370_write_codec(sc, a, d);
1443 
1444 	sc->sc_port[a] = d;
1445 	DPRINTFN(1, ("eap1370_mixer_set_port port 0x%02x = 0x%02x\n", a, d));
1446 }
1447 
1448 int
1449 eap1370_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1450 {
1451 	struct eap_instance *ei;
1452 	struct eap_softc *sc;
1453 	int lval, rval, l, r, la, ra;
1454 	int l1, r1, l2, r2, m, o1, o2;
1455 
1456 	ei = addr;
1457 	sc = (struct eap_softc *)ei->parent;
1458 	if (cp->dev == EAP_RECORD_SOURCE) {
1459 		if (cp->type != AUDIO_MIXER_SET)
1460 			return EINVAL;
1461 		m = sc->sc_record_source = cp->un.mask;
1462 		l1 = l2 = r1 = r2 = 0;
1463 		if (m & (1 << EAP_VOICE_VOL))
1464 			l2 |= AK_M_VOICE, r2 |= AK_M_VOICE;
1465 		if (m & (1 << EAP_FM_VOL))
1466 			l1 |= AK_M_FM_L, r1 |= AK_M_FM_R;
1467 		if (m & (1 << EAP_CD_VOL))
1468 			l1 |= AK_M_CD_L, r1 |= AK_M_CD_R;
1469 		if (m & (1 << EAP_LINE_VOL))
1470 			l1 |= AK_M_LINE_L, r1 |= AK_M_LINE_R;
1471 		if (m & (1 << EAP_AUX_VOL))
1472 			l2 |= AK_M2_AUX_L, r2 |= AK_M2_AUX_R;
1473 		if (m & (1 << EAP_MIC_VOL))
1474 			l2 |= AK_M_TMIC, r2 |= AK_M_TMIC;
1475 		eap1370_set_mixer(sc, AK_IN_MIXER1_L, l1);
1476 		eap1370_set_mixer(sc, AK_IN_MIXER1_R, r1);
1477 		eap1370_set_mixer(sc, AK_IN_MIXER2_L, l2);
1478 		eap1370_set_mixer(sc, AK_IN_MIXER2_R, r2);
1479 		return 0;
1480 	}
1481 	if (cp->dev == EAP_INPUT_SOURCE) {
1482 		if (cp->type != AUDIO_MIXER_SET)
1483 			return EINVAL;
1484 		m = sc->sc_input_source = cp->un.mask;
1485 		o1 = o2 = 0;
1486 		if (m & (1 << EAP_VOICE_VOL))
1487 			o2 |= AK_M_VOICE_L | AK_M_VOICE_R;
1488 		if (m & (1 << EAP_FM_VOL))
1489 			o1 |= AK_M_FM_L | AK_M_FM_R;
1490 		if (m & (1 << EAP_CD_VOL))
1491 			o1 |= AK_M_CD_L | AK_M_CD_R;
1492 		if (m & (1 << EAP_LINE_VOL))
1493 			o1 |= AK_M_LINE_L | AK_M_LINE_R;
1494 		if (m & (1 << EAP_AUX_VOL))
1495 			o2 |= AK_M_AUX_L | AK_M_AUX_R;
1496 		if (m & (1 << EAP_MIC_VOL))
1497 			o1 |= AK_M_MIC;
1498 		eap1370_set_mixer(sc, AK_OUT_MIXER1, o1);
1499 		eap1370_set_mixer(sc, AK_OUT_MIXER2, o2);
1500 		return 0;
1501 	}
1502 	if (cp->dev == EAP_MIC_PREAMP) {
1503 		if (cp->type != AUDIO_MIXER_ENUM)
1504 			return EINVAL;
1505 		if (cp->un.ord != 0 && cp->un.ord != 1)
1506 			return EINVAL;
1507 		sc->sc_mic_preamp = cp->un.ord;
1508 		eap1370_set_mixer(sc, AK_MGAIN, cp->un.ord);
1509 		return 0;
1510 	}
1511 	if (cp->type != AUDIO_MIXER_VALUE)
1512 		return EINVAL;
1513 	if (cp->un.value.num_channels == 1)
1514 		lval = rval = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
1515 	else if (cp->un.value.num_channels == 2) {
1516 		lval = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
1517 		rval = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
1518 	} else
1519 		return EINVAL;
1520 	ra = -1;
1521 	switch (cp->dev) {
1522 	case EAP_MASTER_VOL:
1523 		l = VOL_TO_ATT5(lval);
1524 		r = VOL_TO_ATT5(rval);
1525 		la = AK_MASTER_L;
1526 		ra = AK_MASTER_R;
1527 		break;
1528 	case EAP_MIC_VOL:
1529 		if (cp->un.value.num_channels != 1)
1530 			return EINVAL;
1531 		la = AK_MIC;
1532 		goto lr;
1533 	case EAP_VOICE_VOL:
1534 		la = AK_VOICE_L;
1535 		ra = AK_VOICE_R;
1536 		goto lr;
1537 	case EAP_FM_VOL:
1538 		la = AK_FM_L;
1539 		ra = AK_FM_R;
1540 		goto lr;
1541 	case EAP_CD_VOL:
1542 		la = AK_CD_L;
1543 		ra = AK_CD_R;
1544 		goto lr;
1545 	case EAP_LINE_VOL:
1546 		la = AK_LINE_L;
1547 		ra = AK_LINE_R;
1548 		goto lr;
1549 	case EAP_AUX_VOL:
1550 		la = AK_AUX_L;
1551 		ra = AK_AUX_R;
1552 	lr:
1553 		l = VOL_TO_GAIN5(lval);
1554 		r = VOL_TO_GAIN5(rval);
1555 		break;
1556 	default:
1557 		return EINVAL;
1558 	}
1559 	eap1370_set_mixer(sc, la, l);
1560 	if (ra >= 0) {
1561 		eap1370_set_mixer(sc, ra, r);
1562 	}
1563 	return 0;
1564 }
1565 
1566 int
1567 eap1370_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1568 {
1569 	struct eap_instance *ei;
1570 	struct eap_softc *sc;
1571 	int la, ra, l, r;
1572 
1573 	ei = addr;
1574 	sc = (struct eap_softc *)ei->parent;
1575 	switch (cp->dev) {
1576 	case EAP_RECORD_SOURCE:
1577 		if (cp->type != AUDIO_MIXER_SET)
1578 			return EINVAL;
1579 		cp->un.mask = sc->sc_record_source;
1580 		return 0;
1581 	case EAP_INPUT_SOURCE:
1582 		if (cp->type != AUDIO_MIXER_SET)
1583 			return EINVAL;
1584 		cp->un.mask = sc->sc_input_source;
1585 		return 0;
1586 	case EAP_MIC_PREAMP:
1587 		if (cp->type != AUDIO_MIXER_ENUM)
1588 			return EINVAL;
1589 		cp->un.ord = sc->sc_mic_preamp;
1590 		return 0;
1591 	case EAP_MASTER_VOL:
1592 		l = ATT5_TO_VOL(sc->sc_port[AK_MASTER_L]);
1593 		r = ATT5_TO_VOL(sc->sc_port[AK_MASTER_R]);
1594 		break;
1595 	case EAP_MIC_VOL:
1596 		if (cp->un.value.num_channels != 1)
1597 			return EINVAL;
1598 		la = ra = AK_MIC;
1599 		goto lr;
1600 	case EAP_VOICE_VOL:
1601 		la = AK_VOICE_L;
1602 		ra = AK_VOICE_R;
1603 		goto lr;
1604 	case EAP_FM_VOL:
1605 		la = AK_FM_L;
1606 		ra = AK_FM_R;
1607 		goto lr;
1608 	case EAP_CD_VOL:
1609 		la = AK_CD_L;
1610 		ra = AK_CD_R;
1611 		goto lr;
1612 	case EAP_LINE_VOL:
1613 		la = AK_LINE_L;
1614 		ra = AK_LINE_R;
1615 		goto lr;
1616 	case EAP_AUX_VOL:
1617 		la = AK_AUX_L;
1618 		ra = AK_AUX_R;
1619 	lr:
1620 		l = GAIN5_TO_VOL(sc->sc_port[la]);
1621 		r = GAIN5_TO_VOL(sc->sc_port[ra]);
1622 		break;
1623 	default:
1624 		return EINVAL;
1625 	}
1626 	if (cp->un.value.num_channels == 1)
1627 		cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = (l+r) / 2;
1628 	else if (cp->un.value.num_channels == 2) {
1629 		cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]  = l;
1630 		cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
1631 	} else
1632 		return EINVAL;
1633 	return 0;
1634 }
1635 
1636 int
1637 eap1370_query_devinfo(void *addr, mixer_devinfo_t *dip)
1638 {
1639 
1640 	switch (dip->index) {
1641 	case EAP_MASTER_VOL:
1642 		dip->type = AUDIO_MIXER_VALUE;
1643 		dip->mixer_class = EAP_OUTPUT_CLASS;
1644 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1645 		strcpy(dip->label.name, AudioNmaster);
1646 		dip->un.v.num_channels = 2;
1647 		strcpy(dip->un.v.units.name, AudioNvolume);
1648 		return 0;
1649 	case EAP_VOICE_VOL:
1650 		dip->type = AUDIO_MIXER_VALUE;
1651 		dip->mixer_class = EAP_INPUT_CLASS;
1652 		dip->prev = AUDIO_MIXER_LAST;
1653 		dip->next = AUDIO_MIXER_LAST;
1654 		strcpy(dip->label.name, AudioNdac);
1655 		dip->un.v.num_channels = 2;
1656 		strcpy(dip->un.v.units.name, AudioNvolume);
1657 		return 0;
1658 	case EAP_FM_VOL:
1659 		dip->type = AUDIO_MIXER_VALUE;
1660 		dip->mixer_class = EAP_INPUT_CLASS;
1661 		dip->prev = AUDIO_MIXER_LAST;
1662 		dip->next = AUDIO_MIXER_LAST;
1663 		strcpy(dip->label.name, AudioNfmsynth);
1664 		dip->un.v.num_channels = 2;
1665 		strcpy(dip->un.v.units.name, AudioNvolume);
1666 		return 0;
1667 	case EAP_CD_VOL:
1668 		dip->type = AUDIO_MIXER_VALUE;
1669 		dip->mixer_class = EAP_INPUT_CLASS;
1670 		dip->prev = AUDIO_MIXER_LAST;
1671 		dip->next = AUDIO_MIXER_LAST;
1672 		strcpy(dip->label.name, AudioNcd);
1673 		dip->un.v.num_channels = 2;
1674 		strcpy(dip->un.v.units.name, AudioNvolume);
1675 		return 0;
1676 	case EAP_LINE_VOL:
1677 		dip->type = AUDIO_MIXER_VALUE;
1678 		dip->mixer_class = EAP_INPUT_CLASS;
1679 		dip->prev = AUDIO_MIXER_LAST;
1680 		dip->next = AUDIO_MIXER_LAST;
1681 		strcpy(dip->label.name, AudioNline);
1682 		dip->un.v.num_channels = 2;
1683 		strcpy(dip->un.v.units.name, AudioNvolume);
1684 		return 0;
1685 	case EAP_AUX_VOL:
1686 		dip->type = AUDIO_MIXER_VALUE;
1687 		dip->mixer_class = EAP_INPUT_CLASS;
1688 		dip->prev = AUDIO_MIXER_LAST;
1689 		dip->next = AUDIO_MIXER_LAST;
1690 		strcpy(dip->label.name, AudioNaux);
1691 		dip->un.v.num_channels = 2;
1692 		strcpy(dip->un.v.units.name, AudioNvolume);
1693 		return 0;
1694 	case EAP_MIC_VOL:
1695 		dip->type = AUDIO_MIXER_VALUE;
1696 		dip->mixer_class = EAP_INPUT_CLASS;
1697 		dip->prev = AUDIO_MIXER_LAST;
1698 		dip->next = EAP_MIC_PREAMP;
1699 		strcpy(dip->label.name, AudioNmicrophone);
1700 		dip->un.v.num_channels = 1;
1701 		strcpy(dip->un.v.units.name, AudioNvolume);
1702 		return 0;
1703 	case EAP_RECORD_SOURCE:
1704 		dip->mixer_class = EAP_RECORD_CLASS;
1705 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1706 		strcpy(dip->label.name, AudioNsource);
1707 		dip->type = AUDIO_MIXER_SET;
1708 		dip->un.s.num_mem = 6;
1709 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1710 		dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1711 		strcpy(dip->un.s.member[1].label.name, AudioNcd);
1712 		dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1713 		strcpy(dip->un.s.member[2].label.name, AudioNline);
1714 		dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1715 		strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1716 		dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1717 		strcpy(dip->un.s.member[4].label.name, AudioNaux);
1718 		dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1719 		strcpy(dip->un.s.member[5].label.name, AudioNdac);
1720 		dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1721 		return 0;
1722 	case EAP_INPUT_SOURCE:
1723 		dip->mixer_class = EAP_INPUT_CLASS;
1724 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1725 		strcpy(dip->label.name, AudioNsource);
1726 		dip->type = AUDIO_MIXER_SET;
1727 		dip->un.s.num_mem = 6;
1728 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1729 		dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1730 		strcpy(dip->un.s.member[1].label.name, AudioNcd);
1731 		dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1732 		strcpy(dip->un.s.member[2].label.name, AudioNline);
1733 		dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1734 		strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1735 		dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1736 		strcpy(dip->un.s.member[4].label.name, AudioNaux);
1737 		dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1738 		strcpy(dip->un.s.member[5].label.name, AudioNdac);
1739 		dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1740 		return 0;
1741 	case EAP_MIC_PREAMP:
1742 		dip->type = AUDIO_MIXER_ENUM;
1743 		dip->mixer_class = EAP_INPUT_CLASS;
1744 		dip->prev = EAP_MIC_VOL;
1745 		dip->next = AUDIO_MIXER_LAST;
1746 		strcpy(dip->label.name, AudioNpreamp);
1747 		dip->un.e.num_mem = 2;
1748 		strcpy(dip->un.e.member[0].label.name, AudioNoff);
1749 		dip->un.e.member[0].ord = 0;
1750 		strcpy(dip->un.e.member[1].label.name, AudioNon);
1751 		dip->un.e.member[1].ord = 1;
1752 		return 0;
1753 	case EAP_OUTPUT_CLASS:
1754 		dip->type = AUDIO_MIXER_CLASS;
1755 		dip->mixer_class = EAP_OUTPUT_CLASS;
1756 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1757 		strcpy(dip->label.name, AudioCoutputs);
1758 		return 0;
1759 	case EAP_RECORD_CLASS:
1760 		dip->type = AUDIO_MIXER_CLASS;
1761 		dip->mixer_class = EAP_RECORD_CLASS;
1762 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1763 		strcpy(dip->label.name, AudioCrecord);
1764 		return 0;
1765 	case EAP_INPUT_CLASS:
1766 		dip->type = AUDIO_MIXER_CLASS;
1767 		dip->mixer_class = EAP_INPUT_CLASS;
1768 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1769 		strcpy(dip->label.name, AudioCinputs);
1770 		return 0;
1771 	}
1772 	return ENXIO;
1773 }
1774 
1775 void *
1776 eap_malloc(void *addr, int direction, size_t size,
1777     struct malloc_type *pool, int flags)
1778 {
1779 	struct eap_instance *ei;
1780 	struct eap_softc *sc;
1781 	struct eap_dma *p;
1782 	int error;
1783 
1784 	p = malloc(sizeof(*p), pool, flags);
1785 	if (!p)
1786 		return NULL;
1787 	ei = addr;
1788 	sc = (struct eap_softc *)ei->parent;
1789 	error = eap_allocmem(sc, size, 16, p);
1790 	if (error) {
1791 		free(p, pool);
1792 		return NULL;
1793 	}
1794 	p->next = sc->sc_dmas;
1795 	sc->sc_dmas = p;
1796 	return KERNADDR(p);
1797 }
1798 
1799 void
1800 eap_free(void *addr, void *ptr, struct malloc_type *pool)
1801 {
1802 	struct eap_instance *ei;
1803 	struct eap_softc *sc;
1804 	struct eap_dma **pp, *p;
1805 
1806 	ei = addr;
1807 	sc = (struct eap_softc *)ei->parent;
1808 	for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1809 		if (KERNADDR(p) == ptr) {
1810 			eap_freemem(sc, p);
1811 			*pp = p->next;
1812 			free(p, pool);
1813 			return;
1814 		}
1815 	}
1816 }
1817 
1818 size_t
1819 eap_round_buffersize(void *addr, int direction, size_t size)
1820 {
1821 
1822 	return size;
1823 }
1824 
1825 paddr_t
1826 eap_mappage(void *addr, void *mem, off_t off, int prot)
1827 {
1828 	struct eap_instance *ei;
1829 	struct eap_softc *sc;
1830 	struct eap_dma *p;
1831 
1832 	if (off < 0)
1833 		return -1;
1834 	ei = addr;
1835 	sc = (struct eap_softc *)ei->parent;
1836 	for (p = sc->sc_dmas; p && KERNADDR(p) != mem; p = p->next)
1837 		continue;
1838 	if (!p)
1839 		return -1;
1840 	return bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
1841 			       off, prot, BUS_DMA_WAITOK);
1842 }
1843 
1844 int
1845 eap_get_props(void *addr)
1846 {
1847 
1848 	return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
1849 	    AUDIO_PROP_FULLDUPLEX;
1850 }
1851 
1852 #if NMIDI > 0
1853 int
1854 eap_midi_open(void *addr, int flags,
1855 	      void (*iintr)(void *, int),
1856 	      void (*ointr)(void *),
1857 	      void *arg)
1858 {
1859 	struct eap_softc *sc;
1860 	uint32_t uctrl;
1861 
1862 	sc = addr;
1863 	sc->sc_iintr = iintr;
1864 	sc->sc_ointr = ointr;
1865 	sc->sc_arg = arg;
1866 
1867 	EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) | EAP_UART_EN);
1868 	uctrl = 0;
1869 	if (flags & FREAD)
1870 		uctrl |= EAP_UC_RXINTEN;
1871 #if 0
1872 	/* I don't understand ../midi.c well enough to use output interrupts */
1873 	if (flags & FWRITE)
1874 		uctrl |= EAP_UC_TXINTEN; */
1875 #endif
1876 	EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1877 
1878 	return 0;
1879 }
1880 
1881 void
1882 eap_midi_close(void *addr)
1883 {
1884 	struct eap_softc *sc;
1885 
1886 	sc = addr;
1887 	tsleep(sc, PWAIT, "eapclm", hz/10); /* give uart a chance to drain */
1888 	EWRITE1(sc, EAP_UART_CONTROL, 0);
1889 	EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) & ~EAP_UART_EN);
1890 
1891 	sc->sc_iintr = 0;
1892 	sc->sc_ointr = 0;
1893 }
1894 
1895 int
1896 eap_midi_output(void *addr, int d)
1897 {
1898 	struct eap_softc *sc;
1899 	int x;
1900 
1901 	sc = addr;
1902 	for (x = 0; x != MIDI_BUSY_WAIT; x++) {
1903 		if (EREAD1(sc, EAP_UART_STATUS) & EAP_US_TXRDY) {
1904 			EWRITE1(sc, EAP_UART_DATA, d);
1905 			return 0;
1906 		}
1907 		delay(MIDI_BUSY_DELAY);
1908 	}
1909 	return EIO;
1910 }
1911 
1912 void
1913 eap_midi_getinfo(void *addr, struct midi_info *mi)
1914 {
1915 	mi->name = "AudioPCI MIDI UART";
1916 	mi->props = MIDI_PROP_CAN_INPUT;
1917 }
1918 
1919 #endif
1920