xref: /netbsd-src/sys/dev/pci/eap.c (revision 8b0f9554ff8762542c4defc4f70e1eb76fb508fa)
1 /*	$NetBSD: eap.c,v 1.90 2007/10/19 12:00:43 ad 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/ (ES1370 and 1371 datasheets)
55  * http://web.archive.org/web/20040622012936/http://www.corbac.com/Data/Misc/es1373.ps.gz
56  * ftp://ftp.alsa-project.org/pub/manuals/asahi_kasei/4531.pdf
57  * ftp://download.intel.com/ial/scalableplatforms/audio/ac97r21.pdf
58  */
59 
60 #include <sys/cdefs.h>
61 __KERNEL_RCSID(0, "$NetBSD: eap.c,v 1.90 2007/10/19 12:00:43 ad Exp $");
62 
63 #include "midi.h"
64 #include "joy_eap.h"
65 
66 #include <sys/param.h>
67 #include <sys/systm.h>
68 #include <sys/kernel.h>
69 #include <sys/fcntl.h>
70 #include <sys/malloc.h>
71 #include <sys/device.h>
72 #include <sys/proc.h>
73 #include <sys/select.h>
74 
75 #include <dev/pci/pcidevs.h>
76 #include <dev/pci/pcivar.h>
77 
78 #include <sys/audioio.h>
79 #include <dev/audio_if.h>
80 #include <dev/midi_if.h>
81 #include <dev/audiovar.h>
82 #include <dev/mulaw.h>
83 #include <dev/auconv.h>
84 #include <dev/ic/ac97var.h>
85 
86 #include <sys/bus.h>
87 
88 #include <dev/pci/eapreg.h>
89 #include <dev/pci/eapvar.h>
90 
91 #define	PCI_CBIO		0x10
92 
93 /* Debug */
94 #ifdef AUDIO_DEBUG
95 #define DPRINTF(x)	if (eapdebug) printf x
96 #define DPRINTFN(n,x)	if (eapdebug>(n)) printf x
97 int	eapdebug = 0;
98 #else
99 #define DPRINTF(x)
100 #define DPRINTFN(n,x)
101 #endif
102 
103 static int	eap_match(struct device *, struct cfdata *, void *);
104 static void	eap_attach(struct device *, struct device *, void *);
105 static int	eap_detach(struct device *, int);
106 static int	eap_intr(void *);
107 
108 struct eap_dma {
109 	bus_dmamap_t map;
110 	void *addr;
111 	bus_dma_segment_t segs[1];
112 	int nsegs;
113 	size_t size;
114 	struct eap_dma *next;
115 };
116 
117 #define DMAADDR(p) ((p)->map->dm_segs[0].ds_addr)
118 #define KERNADDR(p) ((void *)((p)->addr))
119 
120 /*
121  * The card has two DACs. Using them is a bit twisted: we use DAC2
122  * as default and DAC1 as the optional secondary DAC.
123  */
124 #define EAP_DAC1 1
125 #define EAP_DAC2 0
126 #define EAP_I1 EAP_DAC2
127 #define EAP_I2 EAP_DAC1
128 struct eap_instance {
129 	struct device *parent;
130 	int index;
131 
132 	void	(*ei_pintr)(void *);	/* DMA completion intr handler */
133 	void	*ei_parg;		/* arg for ei_intr() */
134 	struct device *ei_audiodev;		/* audio device, for detach */
135 #ifdef DIAGNOSTIC
136 	char	ei_prun;
137 #endif
138 };
139 
140 struct eap_softc {
141 	struct device sc_dev;		/* base device */
142 	void *sc_ih;			/* interrupt vectoring */
143 	bus_space_tag_t iot;
144 	bus_space_handle_t ioh;
145 	bus_size_t iosz;
146 	bus_dma_tag_t sc_dmatag;	/* DMA tag */
147 
148 	struct eap_dma *sc_dmas;
149 
150 	void	(*sc_rintr)(void *);	/* DMA completion intr handler */
151 	void	*sc_rarg;		/* arg for sc_intr() */
152 #ifdef DIAGNOSTIC
153 	char	sc_rrun;
154 #endif
155 
156 #if NMIDI > 0
157 	void	(*sc_iintr)(void *, int); /* midi input ready handler */
158 	void	(*sc_ointr)(void *);	/* midi output ready handler */
159 	void	*sc_arg;
160 	struct device *sc_mididev;
161 #endif
162 #if NJOY_EAP > 0
163 	struct device *sc_gameport;
164 #endif
165 
166 	u_short	sc_port[AK_NPORTS];	/* mirror of the hardware setting */
167 	u_int	sc_record_source;	/* recording source mask */
168 	u_int	sc_input_source;	/* input source mask */
169 	u_int	sc_mic_preamp;
170 	char    sc_1371;		/* Using ES1371/AC97 codec */
171 
172 	struct ac97_codec_if *codec_if;
173 	struct ac97_host_if host_if;
174 
175 	struct eap_instance sc_ei[2];
176 
177 	pci_chipset_tag_t sc_pc;	/* For detach */
178 };
179 
180 static int	eap_allocmem(struct eap_softc *, size_t, size_t,
181 			     struct eap_dma *);
182 static int	eap_freemem(struct eap_softc *, struct eap_dma *);
183 
184 #define EWRITE1(sc, r, x) bus_space_write_1((sc)->iot, (sc)->ioh, (r), (x))
185 #define EWRITE2(sc, r, x) bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x))
186 #define EWRITE4(sc, r, x) bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x))
187 #define EREAD1(sc, r) bus_space_read_1((sc)->iot, (sc)->ioh, (r))
188 #define EREAD2(sc, r) bus_space_read_2((sc)->iot, (sc)->ioh, (r))
189 #define EREAD4(sc, r) bus_space_read_4((sc)->iot, (sc)->ioh, (r))
190 
191 CFATTACH_DECL(eap, sizeof(struct eap_softc),
192     eap_match, eap_attach, eap_detach, NULL);
193 
194 static int	eap_open(void *, int);
195 static int	eap_query_encoding(void *, struct audio_encoding *);
196 static int	eap_set_params(void *, int, int, audio_params_t *,
197 			       audio_params_t *, stream_filter_list_t *,
198 			       stream_filter_list_t *);
199 static int	eap_round_blocksize(void *, int, int, const audio_params_t *);
200 static int	eap_trigger_output(void *, void *, void *, int,
201 				   void (*)(void *), void *,
202 				   const audio_params_t *);
203 static int	eap_trigger_input(void *, void *, void *, int,
204 				  void (*)(void *), void *,
205 				  const audio_params_t *);
206 static int	eap_halt_output(void *);
207 static int	eap_halt_input(void *);
208 static void	eap1370_write_codec(struct eap_softc *, int, int);
209 static int	eap_getdev(void *, struct audio_device *);
210 static int	eap1370_mixer_set_port(void *, mixer_ctrl_t *);
211 static int	eap1370_mixer_get_port(void *, mixer_ctrl_t *);
212 static int	eap1371_mixer_set_port(void *, mixer_ctrl_t *);
213 static int	eap1371_mixer_get_port(void *, mixer_ctrl_t *);
214 static int	eap1370_query_devinfo(void *, mixer_devinfo_t *);
215 static void	*eap_malloc(void *, int, size_t, struct malloc_type *, int);
216 static void	eap_free(void *, void *, struct malloc_type *);
217 static size_t	eap_round_buffersize(void *, int, size_t);
218 static paddr_t	eap_mappage(void *, void *, off_t, int);
219 static int	eap_get_props(void *);
220 static void	eap1370_set_mixer(struct eap_softc *, int, int);
221 static uint32_t eap1371_src_wait(struct eap_softc *);
222 static void	eap1371_set_adc_rate(struct eap_softc *, int);
223 static void	eap1371_set_dac_rate(struct eap_instance *, int);
224 static int	eap1371_src_read(struct eap_softc *, int);
225 static void	eap1371_src_write(struct eap_softc *, int, int);
226 static int	eap1371_query_devinfo(void *, mixer_devinfo_t *);
227 
228 static int	eap1371_attach_codec(void *, struct ac97_codec_if *);
229 static int	eap1371_read_codec(void *, uint8_t, uint16_t *);
230 static int	eap1371_write_codec(void *, uint8_t, uint16_t );
231 static int	eap1371_reset_codec(void *);
232 #if NMIDI > 0
233 static void	eap_midi_close(void *);
234 static void	eap_midi_getinfo(void *, struct midi_info *);
235 static int	eap_midi_open(void *, int, void (*)(void *, int),
236 			      void (*)(void *), void *);
237 static int	eap_midi_output(void *, int);
238 static void	eap_uart_txrdy(struct eap_softc *);
239 #endif
240 
241 static const struct audio_hw_if eap1370_hw_if = {
242 	eap_open,
243 	NULL,			/* close */
244 	NULL,
245 	eap_query_encoding,
246 	eap_set_params,
247 	eap_round_blocksize,
248 	NULL,
249 	NULL,
250 	NULL,
251 	NULL,
252 	NULL,
253 	eap_halt_output,
254 	eap_halt_input,
255 	NULL,
256 	eap_getdev,
257 	NULL,
258 	eap1370_mixer_set_port,
259 	eap1370_mixer_get_port,
260 	eap1370_query_devinfo,
261 	eap_malloc,
262 	eap_free,
263 	eap_round_buffersize,
264 	eap_mappage,
265 	eap_get_props,
266 	eap_trigger_output,
267 	eap_trigger_input,
268 	NULL,
269 	NULL,
270 };
271 
272 static const struct audio_hw_if eap1371_hw_if = {
273 	eap_open,
274 	NULL,			/* close */
275 	NULL,
276 	eap_query_encoding,
277 	eap_set_params,
278 	eap_round_blocksize,
279 	NULL,
280 	NULL,
281 	NULL,
282 	NULL,
283 	NULL,
284 	eap_halt_output,
285 	eap_halt_input,
286 	NULL,
287 	eap_getdev,
288 	NULL,
289 	eap1371_mixer_set_port,
290 	eap1371_mixer_get_port,
291 	eap1371_query_devinfo,
292 	eap_malloc,
293 	eap_free,
294 	eap_round_buffersize,
295 	eap_mappage,
296 	eap_get_props,
297 	eap_trigger_output,
298 	eap_trigger_input,
299 	NULL,
300 	NULL,
301 };
302 
303 #if NMIDI > 0
304 static const struct midi_hw_if eap_midi_hw_if = {
305 	eap_midi_open,
306 	eap_midi_close,
307 	eap_midi_output,
308 	eap_midi_getinfo,
309 	0,				/* ioctl */
310 };
311 #endif
312 
313 static struct audio_device eap_device = {
314 	"Ensoniq AudioPCI",
315 	"",
316 	"eap"
317 };
318 
319 #define EAP_NFORMATS	4
320 static const struct audio_format eap_formats[EAP_NFORMATS] = {
321 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
322 	 2, AUFMT_STEREO, 0, {4000, 48000}},
323 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
324 	 1, AUFMT_MONAURAL, 0, {4000, 48000}},
325 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
326 	 2, AUFMT_STEREO, 0, {4000, 48000}},
327 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
328 	 1, AUFMT_MONAURAL, 0, {4000, 48000}},
329 };
330 
331 static int
332 eap_match(struct device *parent, struct cfdata *match,
333     void *aux)
334 {
335 	struct pci_attach_args *pa;
336 
337 	pa = (struct pci_attach_args *)aux;
338 	switch (PCI_VENDOR(pa->pa_id)) {
339 	case PCI_VENDOR_CREATIVELABS:
340 		switch (PCI_PRODUCT(pa->pa_id)) {
341 		case PCI_PRODUCT_CREATIVELABS_EV1938:
342 			return 1;
343 		}
344 		break;
345 	case PCI_VENDOR_ENSONIQ:
346 		switch (PCI_PRODUCT(pa->pa_id)) {
347 		case PCI_PRODUCT_ENSONIQ_AUDIOPCI:
348 		case PCI_PRODUCT_ENSONIQ_AUDIOPCI97:
349 		case PCI_PRODUCT_ENSONIQ_CT5880:
350 			return 1;
351 		}
352 		break;
353 	}
354 
355 	return 0;
356 }
357 
358 static void
359 eap1370_write_codec(struct eap_softc *sc, int a, int d)
360 {
361 	int icss, to;
362 
363 	to = EAP_WRITE_TIMEOUT;
364 	do {
365 		icss = EREAD4(sc, EAP_ICSS);
366 		DPRINTFN(5,("eap: codec %d prog: icss=0x%08x\n", a, icss));
367 		if (!to--) {
368 			printf("eap: timeout writing to codec\n");
369 			return;
370 		}
371 	} while(icss & EAP_CWRIP);  /* XXX could use CSTAT here */
372 	EWRITE4(sc, EAP_CODEC, EAP_SET_CODEC(a, d));
373 }
374 
375 /*
376  * Reading and writing the CODEC is very convoluted.  This mimics the
377  * FreeBSD and Linux drivers.
378  */
379 
380 static inline void
381 eap1371_ready_codec(struct eap_softc *sc, uint8_t a, uint32_t wd)
382 {
383 	int to, s;
384 	uint32_t src, t;
385 
386 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
387 		if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
388 			break;
389 		delay(1);
390 	}
391 	if (to >= EAP_WRITE_TIMEOUT)
392 		printf("%s: eap1371_ready_codec timeout 1\n",
393 		       sc->sc_dev.dv_xname);
394 
395 	s = splaudio();
396 	src = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
397 	EWRITE4(sc, E1371_SRC, src | E1371_SRC_STATE_OK);
398 
399 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
400 		t = EREAD4(sc, E1371_SRC);
401 		if ((t & E1371_SRC_STATE_MASK) == 0)
402 			break;
403 		delay(1);
404 	}
405 	if (to >= EAP_READ_TIMEOUT)
406 		printf("%s: eap1371_ready_codec timeout 2\n",
407 		       sc->sc_dev.dv_xname);
408 
409 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
410 		t = EREAD4(sc, E1371_SRC);
411 		if ((t & E1371_SRC_STATE_MASK) == E1371_SRC_STATE_OK)
412 			break;
413 		delay(1);
414 	}
415 	if (to >= EAP_READ_TIMEOUT)
416 		printf("%s: eap1371_ready_codec timeout 3\n",
417 		       sc->sc_dev.dv_xname);
418 
419 	EWRITE4(sc, E1371_CODEC, wd);
420 
421 	eap1371_src_wait(sc);
422 	EWRITE4(sc, E1371_SRC, src);
423 
424 	splx(s);
425 }
426 
427 static int
428 eap1371_read_codec(void *sc_, uint8_t a, uint16_t *d)
429 {
430 	struct eap_softc *sc;
431 	int to;
432 	uint32_t t;
433 
434 	sc = sc_;
435 	eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, 0) | E1371_CODEC_READ);
436 
437 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
438 		if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
439 			break;
440 	}
441 	if (to > EAP_WRITE_TIMEOUT)
442 		printf("%s: eap1371_read_codec timeout 1\n",
443 		       sc->sc_dev.dv_xname);
444 
445 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
446 		t = EREAD4(sc, E1371_CODEC);
447 		if (t & E1371_CODEC_VALID)
448 			break;
449 	}
450 	if (to > EAP_WRITE_TIMEOUT)
451 		printf("%s: eap1371_read_codec timeout 2\n",
452 		       sc->sc_dev.dv_xname);
453 
454 	*d = (uint16_t)t;
455 
456 	DPRINTFN(10, ("eap1371: reading codec (%x) = %x\n", a, *d));
457 
458 	return 0;
459 }
460 
461 static int
462 eap1371_write_codec(void *sc_, uint8_t a, uint16_t d)
463 {
464 	struct eap_softc *sc;
465 
466 	sc = sc_;
467 	eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, d));
468 
469 	DPRINTFN(10, ("eap1371: writing codec %x --> %x\n", d, a));
470 
471 	return 0;
472 }
473 
474 static uint32_t
475 eap1371_src_wait(struct eap_softc *sc)
476 {
477 	int to;
478 	u_int32_t src;
479 
480 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
481 		src = EREAD4(sc, E1371_SRC);
482 		if (!(src & E1371_SRC_RBUSY))
483 			return src;
484 		delay(1);
485 	}
486 	printf("%s: eap1371_src_wait timeout\n", sc->sc_dev.dv_xname);
487 	return src;
488 }
489 
490 static int
491 eap1371_src_read(struct eap_softc *sc, int a)
492 {
493 	int to;
494 	uint32_t src, t;
495 
496 	src = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
497 	src |= E1371_SRC_ADDR(a);
498 	EWRITE4(sc, E1371_SRC, src | E1371_SRC_STATE_OK);
499 
500 	t = eap1371_src_wait(sc);
501 	if ((t & E1371_SRC_STATE_MASK) != E1371_SRC_STATE_OK) {
502 		for (to = 0; to < EAP_READ_TIMEOUT; to++) {
503 			t = EREAD4(sc, E1371_SRC);
504 			if ((t & E1371_SRC_STATE_MASK) == E1371_SRC_STATE_OK)
505 				break;
506 			delay(1);
507 		}
508 	}
509 
510 	EWRITE4(sc, E1371_SRC, src);
511 
512 	return t & E1371_SRC_DATAMASK;
513 }
514 
515 static void
516 eap1371_src_write(struct eap_softc *sc, int a, int d)
517 {
518 	uint32_t r;
519 
520 	r = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
521 	r |= E1371_SRC_RAMWE | E1371_SRC_ADDR(a) | E1371_SRC_DATA(d);
522 	EWRITE4(sc, E1371_SRC, r);
523 }
524 
525 static void
526 eap1371_set_adc_rate(struct eap_softc *sc, int rate)
527 {
528 	int freq, n, truncm;
529 	int out;
530 	int s;
531 
532 	/* Whatever, it works, so I'll leave it :) */
533 
534 	if (rate > 48000)
535 		rate = 48000;
536 	if (rate < 4000)
537 		rate = 4000;
538 	n = rate / 3000;
539 	if ((1 << n) & SRC_MAGIC)
540 		n--;
541 	truncm = ((21 * n) - 1) | 1;
542 	freq = ((48000 << 15) / rate) * n;
543 	if (rate >= 24000) {
544 		if (truncm > 239)
545 			truncm = 239;
546 		out = ESRC_SET_TRUNC((239 - truncm) / 2);
547 	} else {
548 		if (truncm > 119)
549 			truncm = 119;
550 		out = ESRC_SMF | ESRC_SET_TRUNC((119 - truncm) / 2);
551 	}
552 	out |= ESRC_SET_N(n);
553 	s = splaudio();
554 	eap1371_src_write(sc, ESRC_ADC+ESRC_TRUNC_N, out);
555 
556 	out = eap1371_src_read(sc, ESRC_ADC+ESRC_IREGS) & 0xff;
557 	eap1371_src_write(sc, ESRC_ADC+ESRC_IREGS, out |
558 			  ESRC_SET_VFI(freq >> 15));
559 	eap1371_src_write(sc, ESRC_ADC+ESRC_VFF, freq & 0x7fff);
560 	eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(n));
561 	eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(n));
562 	splx(s);
563 }
564 
565 static void
566 eap1371_set_dac_rate(struct eap_instance *ei, int rate)
567 {
568 	struct eap_softc *sc;
569 	int dac;
570 	int freq, r;
571 	int s;
572 
573 	DPRINTFN(2, ("eap1371_set_dac_date: set rate for %d\n", ei->index));
574 	sc = (struct eap_softc *)ei->parent;
575 	dac = ei->index == EAP_DAC1 ? ESRC_DAC1 : ESRC_DAC2;
576 
577 	/* Whatever, it works, so I'll leave it :) */
578 
579 	if (rate > 48000)
580 	    rate = 48000;
581 	if (rate < 4000)
582 	    rate = 4000;
583 	freq = ((rate << 15) + 1500) / 3000;
584 
585 	s = splaudio();
586 	eap1371_src_wait(sc);
587 	r = EREAD4(sc, E1371_SRC) & (E1371_SRC_DISABLE |
588 	    E1371_SRC_DISP2 | E1371_SRC_DISP1 | E1371_SRC_DISREC);
589 	r |= ei->index == EAP_DAC1 ? E1371_SRC_DISP1 : E1371_SRC_DISP2;
590 	EWRITE4(sc, E1371_SRC, r);
591 	r = eap1371_src_read(sc, dac + ESRC_IREGS) & 0x00ff;
592 	eap1371_src_write(sc, dac + ESRC_IREGS, r | ((freq >> 5) & 0xfc00));
593 	eap1371_src_write(sc, dac + ESRC_VFF, freq & 0x7fff);
594 	r = EREAD4(sc, E1371_SRC) & (E1371_SRC_DISABLE |
595 	    E1371_SRC_DISP2 | E1371_SRC_DISP1 | E1371_SRC_DISREC);
596 	r &= ~(ei->index == EAP_DAC1 ? E1371_SRC_DISP1 : E1371_SRC_DISP2);
597 	EWRITE4(sc, E1371_SRC, r);
598 	splx(s);
599 }
600 
601 static void
602 eap_attach(struct device *parent, struct device *self, void *aux)
603 {
604 	struct eap_softc *sc;
605 	struct pci_attach_args *pa;
606 	pci_chipset_tag_t pc;
607 	const struct audio_hw_if *eap_hw_if;
608 	char const *intrstr;
609 	pci_intr_handle_t ih;
610 	pcireg_t csr;
611 	char devinfo[256];
612 	mixer_ctrl_t ctl;
613 	int i;
614 	int revision, ct5880;
615 	const char *revstr;
616 #if NJOY_EAP > 0
617 	struct eap_gameport_args gpargs;
618 #endif
619 
620 	sc = (struct eap_softc *)self;
621 	pa = (struct pci_attach_args *)aux;
622 	pc = pa->pa_pc;
623 	revstr = "";
624 	aprint_naive(": Audio controller\n");
625 
626 	/* Stash this away for detach */
627 	sc->sc_pc = pc;
628 
629 	/* Flag if we're "creative" */
630 	sc->sc_1371 = !(PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
631 			PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_AUDIOPCI);
632 
633 	/*
634 	 * The vendor and product ID's are quite "interesting". Just
635 	 * trust the following and be happy.
636 	 */
637 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
638 	revision = PCI_REVISION(pa->pa_class);
639 	ct5880 = 0;
640 	if (sc->sc_1371) {
641 		if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
642 		    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_CT5880) {
643 			ct5880 = 1;
644 			switch (revision) {
645 			case EAP_CT5880_C: revstr = "CT5880-C "; break;
646 			case EAP_CT5880_D: revstr = "CT5880-D "; break;
647 			case EAP_CT5880_E: revstr = "CT5880-E "; break;
648 			}
649 		} else {
650 			switch (revision) {
651 			case EAP_EV1938_A: revstr = "EV1938-A "; break;
652 			case EAP_ES1373_A: revstr = "ES1373-A "; break;
653 			case EAP_ES1373_B: revstr = "ES1373-B "; break;
654 			case EAP_CT5880_A: revstr = "CT5880-A "; ct5880=1;break;
655 			case EAP_ES1373_8: revstr = "ES1373-8" ; ct5880=1;break;
656 			case EAP_ES1371_B: revstr = "ES1371-B "; break;
657 			}
658 		}
659 	}
660 	aprint_normal(": %s %s(rev. 0x%02x)\n", devinfo, revstr, revision);
661 
662 	/* Map I/O register */
663 	if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
664 	      &sc->iot, &sc->ioh, NULL, &sc->iosz)) {
665 		aprint_error("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
666 		return;
667 	}
668 
669 	sc->sc_dmatag = pa->pa_dmat;
670 
671 	/* Enable the device. */
672 	csr = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
673 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
674 		       csr | PCI_COMMAND_MASTER_ENABLE);
675 
676 	/* Map and establish the interrupt. */
677 	if (pci_intr_map(pa, &ih)) {
678 		aprint_error("%s: couldn't map interrupt\n",
679 		    sc->sc_dev.dv_xname);
680 		return;
681 	}
682 	intrstr = pci_intr_string(pc, ih);
683 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, eap_intr, sc);
684 	if (sc->sc_ih == NULL) {
685 		aprint_error("%s: couldn't establish interrupt",
686 		    sc->sc_dev.dv_xname);
687 		if (intrstr != NULL)
688 			aprint_normal(" at %s", intrstr);
689 		aprint_normal("\n");
690 		return;
691 	}
692 	aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
693 
694 	sc->sc_ei[EAP_I1].parent = (struct device *)sc;
695 	sc->sc_ei[EAP_I1].index = EAP_DAC2;
696 	sc->sc_ei[EAP_I2].parent = (struct device *)sc;
697 	sc->sc_ei[EAP_I2].index = EAP_DAC1;
698 
699 	if (!sc->sc_1371) {
700 		/* Enable interrupts and looping mode. */
701 		/* enable the parts we need */
702 		EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
703 		EWRITE4(sc, EAP_ICSC, EAP_CDC_EN);
704 
705 		/* reset codec */
706 		/* normal operation */
707 		/* select codec clocks */
708 		eap1370_write_codec(sc, AK_RESET, AK_PD);
709 		eap1370_write_codec(sc, AK_RESET, AK_PD | AK_NRST);
710 		eap1370_write_codec(sc, AK_CS, 0x0);
711 
712 		eap_hw_if = &eap1370_hw_if;
713 
714 		/* Enable all relevant mixer switches. */
715 		ctl.dev = EAP_INPUT_SOURCE;
716 		ctl.type = AUDIO_MIXER_SET;
717 		ctl.un.mask = 1 << EAP_VOICE_VOL | 1 << EAP_FM_VOL |
718 			1 << EAP_CD_VOL | 1 << EAP_LINE_VOL | 1 << EAP_AUX_VOL |
719 			1 << EAP_MIC_VOL;
720 		eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
721 
722 		ctl.type = AUDIO_MIXER_VALUE;
723 		ctl.un.value.num_channels = 1;
724 		for (ctl.dev = EAP_MASTER_VOL; ctl.dev < EAP_MIC_VOL;
725 		     ctl.dev++) {
726 			ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = VOL_0DB;
727 			eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
728 		}
729 		ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = 0;
730 		eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
731 		ctl.dev = EAP_MIC_PREAMP;
732 		ctl.type = AUDIO_MIXER_ENUM;
733 		ctl.un.ord = 0;
734 		eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
735 		ctl.dev = EAP_RECORD_SOURCE;
736 		ctl.type = AUDIO_MIXER_SET;
737 		ctl.un.mask = 1 << EAP_MIC_VOL;
738 		eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
739 	} else {
740 		/* clean slate */
741 
742 		EWRITE4(sc, EAP_SIC, 0);
743 		EWRITE4(sc, EAP_ICSC, 0);
744 		EWRITE4(sc, E1371_LEGACY, 0);
745 
746 		if (ct5880) {
747 			EWRITE4(sc, EAP_ICSS, EAP_CT5880_AC97_RESET);
748 			/* Let codec wake up */
749 			delay(20000);
750 		}
751 
752 		/* Reset from es1371's perspective */
753 		EWRITE4(sc, EAP_ICSC, E1371_SYNC_RES);
754 		delay(20);
755 		EWRITE4(sc, EAP_ICSC, 0);
756 
757 		/*
758 		 * Must properly reprogram sample rate converter,
759 		 * or it locks up.  Set some defaults for the life of the
760 		 * machine, and set up a sb default sample rate.
761 		 */
762 		EWRITE4(sc, E1371_SRC, E1371_SRC_DISABLE);
763 		for (i = 0; i < 0x80; i++)
764 			eap1371_src_write(sc, i, 0);
765 		eap1371_src_write(sc, ESRC_DAC1+ESRC_TRUNC_N, ESRC_SET_N(16));
766 		eap1371_src_write(sc, ESRC_DAC2+ESRC_TRUNC_N, ESRC_SET_N(16));
767 		eap1371_src_write(sc, ESRC_DAC1+ESRC_IREGS, ESRC_SET_VFI(16));
768 		eap1371_src_write(sc, ESRC_DAC2+ESRC_IREGS, ESRC_SET_VFI(16));
769 		eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(16));
770 		eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(16));
771 		eap1371_src_write(sc, ESRC_DAC1_VOLL, ESRC_SET_DAC_VOLI(1));
772 		eap1371_src_write(sc, ESRC_DAC1_VOLR, ESRC_SET_DAC_VOLI(1));
773 		eap1371_src_write(sc, ESRC_DAC2_VOLL, ESRC_SET_DAC_VOLI(1));
774 		eap1371_src_write(sc, ESRC_DAC2_VOLR, ESRC_SET_DAC_VOLI(1));
775 		eap1371_set_adc_rate(sc, 22050);
776 		eap1371_set_dac_rate(&sc->sc_ei[0], 22050);
777 		eap1371_set_dac_rate(&sc->sc_ei[1], 22050);
778 
779 		EWRITE4(sc, E1371_SRC, 0);
780 
781 		/* Reset codec */
782 
783 		/* Interrupt enable */
784 		sc->host_if.arg = sc;
785 		sc->host_if.attach = eap1371_attach_codec;
786 		sc->host_if.read = eap1371_read_codec;
787 		sc->host_if.write = eap1371_write_codec;
788 		sc->host_if.reset = eap1371_reset_codec;
789 
790 		if (ac97_attach(&sc->host_if, self) == 0) {
791 			/* Interrupt enable */
792 			EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
793 		} else
794 			return;
795 
796 		eap_hw_if = &eap1371_hw_if;
797 	}
798 
799 	sc->sc_ei[EAP_I1].ei_audiodev =
800 	    audio_attach_mi(eap_hw_if, &sc->sc_ei[EAP_I1], &sc->sc_dev);
801 
802 #ifdef EAP_USE_BOTH_DACS
803 	aprint_normal("%s: attaching secondary DAC\n", sc->sc_dev.dv_xname);
804 	sc->sc_ei[EAP_I2].ei_audiodev =
805 	    audio_attach_mi(eap_hw_if, &sc->sc_ei[EAP_I2], &sc->sc_dev);
806 #endif
807 
808 #if NMIDI > 0
809 	sc->sc_mididev = midi_attach_mi(&eap_midi_hw_if, sc, &sc->sc_dev);
810 #endif
811 
812 #if NJOY_EAP > 0
813 	if (sc->sc_1371) {
814 		gpargs.gpa_iot = sc->iot;
815 		gpargs.gpa_ioh = sc->ioh;
816 		sc->sc_gameport = eap_joy_attach(&sc->sc_dev, &gpargs);
817 	}
818 #endif
819 }
820 
821 static int
822 eap_detach(struct device *self, int flags)
823 {
824 	struct eap_softc *sc;
825 	int res;
826 #if NJOY_EAP > 0
827 	struct eap_gameport_args gpargs;
828 
829 	sc = (struct eap_softc *)self;
830 	if (sc->sc_gameport) {
831 		gpargs.gpa_iot = sc->iot;
832 		gpargs.gpa_ioh = sc->ioh;
833 		res = eap_joy_detach(sc->sc_gameport, &gpargs);
834 		if (res)
835 			return res;
836 	}
837 #else
838 	sc = (struct eap_softc *)self;
839 #endif
840 #if NMIDI > 0
841 	if (sc->sc_mididev != NULL) {
842 		res = config_detach(sc->sc_mididev, 0);
843 		if (res)
844 			return res;
845 	}
846 #endif
847 #ifdef EAP_USE_BOTH_DACS
848 	if (sc->sc_ei[EAP_I2].ei_audiodev != NULL) {
849 		res = config_detach(sc->sc_ei[EAP_I2].ei_audiodev, 0);
850 		if (res)
851 			return res;
852 	}
853 #endif
854 	if (sc->sc_ei[EAP_I1].ei_audiodev != NULL) {
855 		res = config_detach(sc->sc_ei[EAP_I1].ei_audiodev, 0);
856 		if (res)
857 			return res;
858 	}
859 
860 	bus_space_unmap(sc->iot, sc->ioh, sc->iosz);
861 	pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
862 
863 	return 0;
864 }
865 
866 static int
867 eap1371_attach_codec(void *sc_, struct ac97_codec_if *codec_if)
868 {
869 	struct eap_softc *sc;
870 
871 	sc = sc_;
872 	sc->codec_if = codec_if;
873 	return 0;
874 }
875 
876 static int
877 eap1371_reset_codec(void *sc_)
878 {
879 	struct eap_softc *sc;
880 	uint32_t icsc;
881 	int s;
882 
883 	sc = sc_;
884 	s = splaudio();
885 	icsc = EREAD4(sc, EAP_ICSC);
886 	EWRITE4(sc, EAP_ICSC, icsc | E1371_SYNC_RES);
887 	delay(20);
888 	EWRITE4(sc, EAP_ICSC, icsc & ~E1371_SYNC_RES);
889 	delay(1);
890 	splx(s);
891 
892 	return 0;
893 }
894 
895 static int
896 eap_intr(void *p)
897 {
898 	struct eap_softc *sc;
899 	uint32_t intr, sic;
900 
901 	sc = p;
902 	intr = EREAD4(sc, EAP_ICSS);
903 	if (!(intr & EAP_INTR))
904 		return 0;
905 	sic = EREAD4(sc, EAP_SIC);
906 	DPRINTFN(5, ("eap_intr: ICSS=0x%08x, SIC=0x%08x\n", intr, sic));
907 	if (intr & EAP_I_ADC) {
908 #if 0
909 		/*
910 		 * XXX This is a hack!
911 		 * The EAP chip sometimes generates the recording interrupt
912 		 * while it is still transferring the data.  To make sure
913 		 * it has all arrived we busy wait until the count is right.
914 		 * The transfer we are waiting for is 8 longwords.
915 		 */
916 		int s, nw, n;
917 		EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
918 		s = EREAD4(sc, EAP_ADC_CSR);
919 		nw = ((s & 0xffff) + 1) >> 2; /* # of words in DMA */
920 		n = 0;
921 		while (((EREAD4(sc, EAP_ADC_SIZE) >> 16) + 8) % nw == 0) {
922 			delay(10);
923 			if (++n > 100) {
924 				printf("eapintr: DMA fix timeout");
925 				break;
926 			}
927 		}
928 		/* Continue with normal interrupt handling. */
929 #endif
930 		EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
931 		EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
932 		if (sc->sc_rintr)
933 			sc->sc_rintr(sc->sc_rarg);
934 	}
935 
936 	if (intr & EAP_I_DAC2) {
937 		EWRITE4(sc, EAP_SIC, sic & ~EAP_P2_INTR_EN);
938 		EWRITE4(sc, EAP_SIC, sic | EAP_P2_INTR_EN);
939 		if (sc->sc_ei[EAP_DAC2].ei_pintr)
940 			sc->sc_ei[EAP_DAC2].ei_pintr(sc->sc_ei[EAP_DAC2].ei_parg);
941 	}
942 
943 	if (intr & EAP_I_DAC1) {
944 		EWRITE4(sc, EAP_SIC, sic & ~EAP_P1_INTR_EN);
945 		EWRITE4(sc, EAP_SIC, sic | EAP_P1_INTR_EN);
946 		if (sc->sc_ei[EAP_DAC1].ei_pintr)
947 			sc->sc_ei[EAP_DAC1].ei_pintr(sc->sc_ei[EAP_DAC1].ei_parg);
948 	}
949 
950 	if (intr & EAP_I_MCCB)
951 		panic("eap_intr: unexpected MCCB interrupt");
952 #if NMIDI > 0
953 	if (intr & EAP_I_UART) {
954 		uint8_t ustat;
955 		uint32_t data;
956 
957 		ustat = EREAD1(sc, EAP_UART_STATUS);
958 
959 		if (ustat & EAP_US_RXINT) {
960 			while (EREAD1(sc, EAP_UART_STATUS) & EAP_US_RXRDY) {
961 				data = EREAD1(sc, EAP_UART_DATA);
962 				sc->sc_iintr(sc->sc_arg, data);
963 			}
964 		}
965 
966 		if (ustat & EAP_US_TXINT)
967 			eap_uart_txrdy(sc);
968 	}
969 #endif
970 	return 1;
971 }
972 
973 static int
974 eap_allocmem(struct eap_softc *sc, size_t size, size_t align, struct eap_dma *p)
975 {
976 	int error;
977 
978 	p->size = size;
979 	error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
980 				 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
981 				 &p->nsegs, BUS_DMA_NOWAIT);
982 	if (error)
983 		return error;
984 
985 	error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
986 			       &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
987 	if (error)
988 		goto free;
989 
990 	error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
991 				  0, BUS_DMA_NOWAIT, &p->map);
992 	if (error)
993 		goto unmap;
994 
995 	error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
996 				BUS_DMA_NOWAIT);
997 	if (error)
998 		goto destroy;
999 	return (0);
1000 
1001 destroy:
1002 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
1003 unmap:
1004 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
1005 free:
1006 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
1007 	return error;
1008 }
1009 
1010 static int
1011 eap_freemem(struct eap_softc *sc, struct eap_dma *p)
1012 {
1013 
1014 	bus_dmamap_unload(sc->sc_dmatag, p->map);
1015 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
1016 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
1017 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
1018 	return 0;
1019 }
1020 
1021 static int
1022 eap_open(void *addr, int flags)
1023 {
1024 	struct eap_instance *ei;
1025 
1026 	ei = addr;
1027 	/* there is only one ADC */
1028 	if (ei->index == EAP_I2 && flags & FREAD)
1029 		return EOPNOTSUPP;
1030 
1031 	return 0;
1032 }
1033 
1034 static int
1035 eap_query_encoding(void *addr, struct audio_encoding *fp)
1036 {
1037 
1038 	switch (fp->index) {
1039 	case 0:
1040 		strcpy(fp->name, AudioEulinear);
1041 		fp->encoding = AUDIO_ENCODING_ULINEAR;
1042 		fp->precision = 8;
1043 		fp->flags = 0;
1044 		return 0;
1045 	case 1:
1046 		strcpy(fp->name, AudioEmulaw);
1047 		fp->encoding = AUDIO_ENCODING_ULAW;
1048 		fp->precision = 8;
1049 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1050 		return 0;
1051 	case 2:
1052 		strcpy(fp->name, AudioEalaw);
1053 		fp->encoding = AUDIO_ENCODING_ALAW;
1054 		fp->precision = 8;
1055 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1056 		return 0;
1057 	case 3:
1058 		strcpy(fp->name, AudioEslinear);
1059 		fp->encoding = AUDIO_ENCODING_SLINEAR;
1060 		fp->precision = 8;
1061 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1062 		return 0;
1063 	case 4:
1064 		strcpy(fp->name, AudioEslinear_le);
1065 		fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
1066 		fp->precision = 16;
1067 		fp->flags = 0;
1068 		return 0;
1069 	case 5:
1070 		strcpy(fp->name, AudioEulinear_le);
1071 		fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
1072 		fp->precision = 16;
1073 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1074 		return 0;
1075 	case 6:
1076 		strcpy(fp->name, AudioEslinear_be);
1077 		fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
1078 		fp->precision = 16;
1079 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1080 		return 0;
1081 	case 7:
1082 		strcpy(fp->name, AudioEulinear_be);
1083 		fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
1084 		fp->precision = 16;
1085 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1086 		return 0;
1087 	default:
1088 		return EINVAL;
1089 	}
1090 }
1091 
1092 static int
1093 eap_set_params(void *addr, int setmode, int usemode,
1094 	       audio_params_t *play, audio_params_t *rec,
1095 	       stream_filter_list_t *pfil, stream_filter_list_t *rfil)
1096 {
1097 	struct eap_instance *ei;
1098 	struct eap_softc *sc;
1099 	struct audio_params *p;
1100 	stream_filter_list_t *fil;
1101 	int mode, i;
1102 	uint32_t div;
1103 
1104 	ei = addr;
1105 	sc = (struct eap_softc *)ei->parent;
1106 	/*
1107 	 * The es1370 only has one clock, so make the sample rates match.
1108 	 * This only applies for ADC/DAC2. The FM DAC is handled below.
1109 	 */
1110 	if (!sc->sc_1371 && ei->index == EAP_DAC2) {
1111 		if (play->sample_rate != rec->sample_rate &&
1112 		    usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
1113 			if (setmode == AUMODE_PLAY) {
1114 				rec->sample_rate = play->sample_rate;
1115 				setmode |= AUMODE_RECORD;
1116 			} else if (setmode == AUMODE_RECORD) {
1117 				play->sample_rate = rec->sample_rate;
1118 				setmode |= AUMODE_PLAY;
1119 			} else
1120 				return EINVAL;
1121 		}
1122 	}
1123 
1124 	for (mode = AUMODE_RECORD; mode != -1;
1125 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
1126 		if ((setmode & mode) == 0)
1127 			continue;
1128 
1129 		p = mode == AUMODE_PLAY ? play : rec;
1130 
1131 		if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
1132 		    (p->precision != 8 && p->precision != 16) ||
1133 		    (p->channels != 1 && p->channels != 2))
1134 			return EINVAL;
1135 
1136 		fil = mode == AUMODE_PLAY ? pfil : rfil;
1137 		i = auconv_set_converter(eap_formats, EAP_NFORMATS,
1138 					 mode, p, FALSE, fil);
1139 		if (i < 0)
1140 			return EINVAL;
1141 	}
1142 
1143 	if (sc->sc_1371) {
1144 		eap1371_set_dac_rate(ei, play->sample_rate);
1145 		eap1371_set_adc_rate(sc, rec->sample_rate);
1146 	} else if (ei->index == EAP_DAC2) {
1147 		/* Set the speed */
1148 		DPRINTFN(2, ("eap_set_params: old ICSC = 0x%08x\n",
1149 			     EREAD4(sc, EAP_ICSC)));
1150 		div = EREAD4(sc, EAP_ICSC) & ~EAP_PCLKBITS;
1151 		/*
1152 		 * XXX
1153 		 * The -2 isn't documented, but seemed to make the wall
1154 		 * time match
1155 		 * what I expect.  - mycroft
1156 		 */
1157 		if (usemode == AUMODE_RECORD)
1158 			div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ /
1159 				rec->sample_rate - 2);
1160 		else
1161 			div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ /
1162 				play->sample_rate - 2);
1163 #if 0
1164 		div |= EAP_CCB_INTRM;
1165 #else
1166 		/*
1167 		 * It is not obvious how to acknowledge MCCB interrupts, so
1168 		 * we had better not enable them.
1169 		 */
1170 #endif
1171 		EWRITE4(sc, EAP_ICSC, div);
1172 		DPRINTFN(2, ("eap_set_params: set ICSC = 0x%08x\n", div));
1173 	} else {
1174 		/*
1175 		 * The FM DAC has only a few fixed-frequency choises, so
1176 		 * pick out the best candidate.
1177 		 */
1178 		div = EREAD4(sc, EAP_ICSC);
1179 		DPRINTFN(2, ("eap_set_params: old ICSC = 0x%08x\n", div));
1180 
1181 		div &= ~EAP_WTSRSEL;
1182 		if (play->sample_rate < 8268)
1183 			div |= EAP_WTSRSEL_5;
1184 		else if (play->sample_rate < 16537)
1185 			div |= EAP_WTSRSEL_11;
1186 		else if (play->sample_rate < 33075)
1187 			div |= EAP_WTSRSEL_22;
1188 		else
1189 			div |= EAP_WTSRSEL_44;
1190 
1191 		EWRITE4(sc, EAP_ICSC, div);
1192 		DPRINTFN(2, ("eap_set_params: set ICSC = 0x%08x\n", div));
1193 	}
1194 
1195 	return 0;
1196 }
1197 
1198 static int
1199 eap_round_blocksize(void *addr, int blk, int mode,
1200     const audio_params_t *param)
1201 {
1202 
1203 	return blk & -32;	/* keep good alignment */
1204 }
1205 
1206 static int
1207 eap_trigger_output(
1208 	void *addr,
1209 	void *start,
1210 	void *end,
1211 	int blksize,
1212 	void (*intr)(void *),
1213 	void *arg,
1214 	const audio_params_t *param)
1215 {
1216 	struct eap_instance *ei;
1217 	struct eap_softc *sc;
1218 	struct eap_dma *p;
1219 	uint32_t icsc, sic;
1220 	int sampshift;
1221 
1222 	ei = addr;
1223 	sc = (struct eap_softc *)ei->parent;
1224 #ifdef DIAGNOSTIC
1225 	if (ei->ei_prun)
1226 		panic("eap_trigger_output: already running");
1227 	ei->ei_prun = 1;
1228 #endif
1229 
1230 	DPRINTFN(1, ("eap_trigger_output: sc=%p start=%p end=%p "
1231 	    "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1232 	ei->ei_pintr = intr;
1233 	ei->ei_parg = arg;
1234 
1235 	sic = EREAD4(sc, EAP_SIC);
1236 	sic &= ~(EAP_S_EB(ei->index) | EAP_S_MB(ei->index) | EAP_INC_BITS);
1237 
1238 	if (ei->index == EAP_DAC2)
1239 		sic |= EAP_SET_P2_ST_INC(0)
1240 		    | EAP_SET_P2_END_INC(param->precision / 8);
1241 
1242 	sampshift = 0;
1243 	if (param->precision == 16) {
1244 		sic |= EAP_S_EB(ei->index);
1245 		sampshift++;
1246 	}
1247 	if (param->channels == 2) {
1248 		sic |= EAP_S_MB(ei->index);
1249 		sampshift++;
1250 	}
1251 	EWRITE4(sc, EAP_SIC, sic & ~EAP_P_INTR_EN(ei->index));
1252 	EWRITE4(sc, EAP_SIC, sic | EAP_P_INTR_EN(ei->index));
1253 
1254 	for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1255 		continue;
1256 	if (!p) {
1257 		printf("eap_trigger_output: bad addr %p\n", start);
1258 		return EINVAL;
1259 	}
1260 
1261 	if (ei->index == EAP_DAC2) {
1262 		DPRINTF(("eap_trigger_output: DAC2_ADDR=0x%x, DAC2_SIZE=0x%x\n",
1263 			 (int)DMAADDR(p),
1264 			 (int)EAP_SET_SIZE(0,
1265 			 (((char *)end - (char *)start) >> 2) - 1)));
1266 		EWRITE4(sc, EAP_MEMPAGE, EAP_DAC_PAGE);
1267 		EWRITE4(sc, EAP_DAC2_ADDR, DMAADDR(p));
1268 		EWRITE4(sc, EAP_DAC2_SIZE,
1269 			EAP_SET_SIZE(0,
1270 			((char *)end - (char *)start) >> 2) - 1);
1271 		EWRITE4(sc, EAP_DAC2_CSR, (blksize >> sampshift) - 1);
1272 	} else if (ei->index == EAP_DAC1) {
1273 		DPRINTF(("eap_trigger_output: DAC1_ADDR=0x%x, DAC1_SIZE=0x%x\n",
1274 			 (int)DMAADDR(p),
1275 			 (int)EAP_SET_SIZE(0,
1276 			 (((char *)end - (char *)start) >> 2) - 1)));
1277 		EWRITE4(sc, EAP_MEMPAGE, EAP_DAC_PAGE);
1278 		EWRITE4(sc, EAP_DAC1_ADDR, DMAADDR(p));
1279 		EWRITE4(sc, EAP_DAC1_SIZE,
1280 			EAP_SET_SIZE(0,
1281 			((char *)end - (char *)start) >> 2) - 1);
1282 		EWRITE4(sc, EAP_DAC1_CSR, (blksize >> sampshift) - 1);
1283 	}
1284 #ifdef DIAGNOSTIC
1285 	else
1286 		panic("eap_trigger_output: impossible instance %d", ei->index);
1287 #endif
1288 
1289 	if (sc->sc_1371)
1290 		EWRITE4(sc, E1371_SRC, 0);
1291 
1292 	icsc = EREAD4(sc, EAP_ICSC);
1293 	icsc |= EAP_DAC_EN(ei->index);
1294 	EWRITE4(sc, EAP_ICSC, icsc);
1295 
1296 	DPRINTFN(1, ("eap_trigger_output: set ICSC = 0x%08x\n", icsc));
1297 
1298 	return 0;
1299 }
1300 
1301 static int
1302 eap_trigger_input(
1303 	void *addr,
1304 	void *start,
1305 	void *end,
1306 	int blksize,
1307 	void (*intr)(void *),
1308 	void *arg,
1309 	const audio_params_t *param)
1310 {
1311 	struct eap_instance *ei;
1312 	struct eap_softc *sc;
1313 	struct eap_dma *p;
1314 	uint32_t icsc, sic;
1315 	int sampshift;
1316 
1317 	ei = addr;
1318 	sc = (struct eap_softc *)ei->parent;
1319 #ifdef DIAGNOSTIC
1320 	if (sc->sc_rrun)
1321 		panic("eap_trigger_input: already running");
1322 	sc->sc_rrun = 1;
1323 #endif
1324 
1325 	DPRINTFN(1, ("eap_trigger_input: ei=%p start=%p end=%p blksize=%d intr=%p(%p)\n",
1326 	    addr, start, end, blksize, intr, arg));
1327 	sc->sc_rintr = intr;
1328 	sc->sc_rarg = arg;
1329 
1330 	sic = EREAD4(sc, EAP_SIC);
1331 	sic &= ~(EAP_R1_S_EB | EAP_R1_S_MB);
1332 	sampshift = 0;
1333 	if (param->precision == 16) {
1334 		sic |= EAP_R1_S_EB;
1335 		sampshift++;
1336 	}
1337 	if (param->channels == 2) {
1338 		sic |= EAP_R1_S_MB;
1339 		sampshift++;
1340 	}
1341 	EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
1342 	EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
1343 
1344 	for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1345 		continue;
1346 	if (!p) {
1347 		printf("eap_trigger_input: bad addr %p\n", start);
1348 		return (EINVAL);
1349 	}
1350 
1351 	DPRINTF(("eap_trigger_input: ADC_ADDR=0x%x, ADC_SIZE=0x%x\n",
1352 		 (int)DMAADDR(p),
1353 		 (int)EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1)));
1354 	EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
1355 	EWRITE4(sc, EAP_ADC_ADDR, DMAADDR(p));
1356 	EWRITE4(sc, EAP_ADC_SIZE,
1357 		EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1));
1358 
1359 	EWRITE4(sc, EAP_ADC_CSR, (blksize >> sampshift) - 1);
1360 
1361 	if (sc->sc_1371)
1362 		EWRITE4(sc, E1371_SRC, 0);
1363 
1364 	icsc = EREAD4(sc, EAP_ICSC);
1365 	icsc |= EAP_ADC_EN;
1366 	EWRITE4(sc, EAP_ICSC, icsc);
1367 
1368 	DPRINTFN(1, ("eap_trigger_input: set ICSC = 0x%08x\n", icsc));
1369 
1370 	return 0;
1371 }
1372 
1373 static int
1374 eap_halt_output(void *addr)
1375 {
1376 	struct eap_instance *ei;
1377 	struct eap_softc *sc;
1378 	uint32_t icsc;
1379 
1380 	DPRINTF(("eap: eap_halt_output\n"));
1381 	ei = addr;
1382 	sc = (struct eap_softc *)ei->parent;
1383 	icsc = EREAD4(sc, EAP_ICSC);
1384 	EWRITE4(sc, EAP_ICSC, icsc & ~(EAP_DAC_EN(ei->index)));
1385 	ei->ei_pintr = 0;
1386 #ifdef DIAGNOSTIC
1387 	ei->ei_prun = 0;
1388 #endif
1389 
1390 	return 0;
1391 }
1392 
1393 static int
1394 eap_halt_input(void *addr)
1395 {
1396 	struct eap_instance *ei;
1397 	struct eap_softc *sc;
1398 	uint32_t icsc;
1399 
1400 #define EAP_USE_FMDAC_ALSO
1401 	DPRINTF(("eap: eap_halt_input\n"));
1402 	ei = addr;
1403 	sc = (struct eap_softc *)ei->parent;
1404 	icsc = EREAD4(sc, EAP_ICSC);
1405 	EWRITE4(sc, EAP_ICSC, icsc & ~EAP_ADC_EN);
1406 	sc->sc_rintr = 0;
1407 #ifdef DIAGNOSTIC
1408 	sc->sc_rrun = 0;
1409 #endif
1410 
1411 	return 0;
1412 }
1413 
1414 static int
1415 eap_getdev(void *addr, struct audio_device *retp)
1416 {
1417 
1418 	*retp = eap_device;
1419 	return 0;
1420 }
1421 
1422 static int
1423 eap1371_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1424 {
1425 	struct eap_instance *ei;
1426 	struct eap_softc *sc;
1427 
1428 	ei = addr;
1429 	sc = (struct eap_softc *)ei->parent;
1430 	return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
1431 }
1432 
1433 static int
1434 eap1371_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1435 {
1436 	struct eap_instance *ei;
1437 	struct eap_softc *sc;
1438 
1439 	ei = addr;
1440 	sc = (struct eap_softc *)ei->parent;
1441 	return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
1442 }
1443 
1444 static int
1445 eap1371_query_devinfo(void *addr, mixer_devinfo_t *dip)
1446 {
1447 	struct eap_instance *ei;
1448 	struct eap_softc *sc;
1449 
1450 	ei = addr;
1451 	sc = (struct eap_softc *)ei->parent;
1452 	return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
1453 }
1454 
1455 static void
1456 eap1370_set_mixer(struct eap_softc *sc, int a, int d)
1457 {
1458 	eap1370_write_codec(sc, a, d);
1459 
1460 	sc->sc_port[a] = d;
1461 	DPRINTFN(1, ("eap1370_mixer_set_port port 0x%02x = 0x%02x\n", a, d));
1462 }
1463 
1464 static int
1465 eap1370_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1466 {
1467 	struct eap_instance *ei;
1468 	struct eap_softc *sc;
1469 	int lval, rval, l, r, la, ra;
1470 	int l1, r1, l2, r2, m, o1, o2;
1471 
1472 	ei = addr;
1473 	sc = (struct eap_softc *)ei->parent;
1474 	if (cp->dev == EAP_RECORD_SOURCE) {
1475 		if (cp->type != AUDIO_MIXER_SET)
1476 			return EINVAL;
1477 		m = sc->sc_record_source = cp->un.mask;
1478 		l1 = l2 = r1 = r2 = 0;
1479 		if (m & (1 << EAP_VOICE_VOL))
1480 			l2 |= AK_M_VOICE, r2 |= AK_M_VOICE;
1481 		if (m & (1 << EAP_FM_VOL))
1482 			l1 |= AK_M_FM_L, r1 |= AK_M_FM_R;
1483 		if (m & (1 << EAP_CD_VOL))
1484 			l1 |= AK_M_CD_L, r1 |= AK_M_CD_R;
1485 		if (m & (1 << EAP_LINE_VOL))
1486 			l1 |= AK_M_LINE_L, r1 |= AK_M_LINE_R;
1487 		if (m & (1 << EAP_AUX_VOL))
1488 			l2 |= AK_M2_AUX_L, r2 |= AK_M2_AUX_R;
1489 		if (m & (1 << EAP_MIC_VOL))
1490 			l2 |= AK_M_TMIC, r2 |= AK_M_TMIC;
1491 		eap1370_set_mixer(sc, AK_IN_MIXER1_L, l1);
1492 		eap1370_set_mixer(sc, AK_IN_MIXER1_R, r1);
1493 		eap1370_set_mixer(sc, AK_IN_MIXER2_L, l2);
1494 		eap1370_set_mixer(sc, AK_IN_MIXER2_R, r2);
1495 		return 0;
1496 	}
1497 	if (cp->dev == EAP_INPUT_SOURCE) {
1498 		if (cp->type != AUDIO_MIXER_SET)
1499 			return EINVAL;
1500 		m = sc->sc_input_source = cp->un.mask;
1501 		o1 = o2 = 0;
1502 		if (m & (1 << EAP_VOICE_VOL))
1503 			o2 |= AK_M_VOICE_L | AK_M_VOICE_R;
1504 		if (m & (1 << EAP_FM_VOL))
1505 			o1 |= AK_M_FM_L | AK_M_FM_R;
1506 		if (m & (1 << EAP_CD_VOL))
1507 			o1 |= AK_M_CD_L | AK_M_CD_R;
1508 		if (m & (1 << EAP_LINE_VOL))
1509 			o1 |= AK_M_LINE_L | AK_M_LINE_R;
1510 		if (m & (1 << EAP_AUX_VOL))
1511 			o2 |= AK_M_AUX_L | AK_M_AUX_R;
1512 		if (m & (1 << EAP_MIC_VOL))
1513 			o1 |= AK_M_MIC;
1514 		eap1370_set_mixer(sc, AK_OUT_MIXER1, o1);
1515 		eap1370_set_mixer(sc, AK_OUT_MIXER2, o2);
1516 		return 0;
1517 	}
1518 	if (cp->dev == EAP_MIC_PREAMP) {
1519 		if (cp->type != AUDIO_MIXER_ENUM)
1520 			return EINVAL;
1521 		if (cp->un.ord != 0 && cp->un.ord != 1)
1522 			return EINVAL;
1523 		sc->sc_mic_preamp = cp->un.ord;
1524 		eap1370_set_mixer(sc, AK_MGAIN, cp->un.ord);
1525 		return 0;
1526 	}
1527 	if (cp->type != AUDIO_MIXER_VALUE)
1528 		return EINVAL;
1529 	if (cp->un.value.num_channels == 1)
1530 		lval = rval = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
1531 	else if (cp->un.value.num_channels == 2) {
1532 		lval = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
1533 		rval = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
1534 	} else
1535 		return EINVAL;
1536 	ra = -1;
1537 	switch (cp->dev) {
1538 	case EAP_MASTER_VOL:
1539 		l = VOL_TO_ATT5(lval);
1540 		r = VOL_TO_ATT5(rval);
1541 		la = AK_MASTER_L;
1542 		ra = AK_MASTER_R;
1543 		break;
1544 	case EAP_MIC_VOL:
1545 		if (cp->un.value.num_channels != 1)
1546 			return EINVAL;
1547 		la = AK_MIC;
1548 		goto lr;
1549 	case EAP_VOICE_VOL:
1550 		la = AK_VOICE_L;
1551 		ra = AK_VOICE_R;
1552 		goto lr;
1553 	case EAP_FM_VOL:
1554 		la = AK_FM_L;
1555 		ra = AK_FM_R;
1556 		goto lr;
1557 	case EAP_CD_VOL:
1558 		la = AK_CD_L;
1559 		ra = AK_CD_R;
1560 		goto lr;
1561 	case EAP_LINE_VOL:
1562 		la = AK_LINE_L;
1563 		ra = AK_LINE_R;
1564 		goto lr;
1565 	case EAP_AUX_VOL:
1566 		la = AK_AUX_L;
1567 		ra = AK_AUX_R;
1568 	lr:
1569 		l = VOL_TO_GAIN5(lval);
1570 		r = VOL_TO_GAIN5(rval);
1571 		break;
1572 	default:
1573 		return EINVAL;
1574 	}
1575 	eap1370_set_mixer(sc, la, l);
1576 	if (ra >= 0) {
1577 		eap1370_set_mixer(sc, ra, r);
1578 	}
1579 	return 0;
1580 }
1581 
1582 static int
1583 eap1370_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1584 {
1585 	struct eap_instance *ei;
1586 	struct eap_softc *sc;
1587 	int la, ra, l, r;
1588 
1589 	ei = addr;
1590 	sc = (struct eap_softc *)ei->parent;
1591 	switch (cp->dev) {
1592 	case EAP_RECORD_SOURCE:
1593 		if (cp->type != AUDIO_MIXER_SET)
1594 			return EINVAL;
1595 		cp->un.mask = sc->sc_record_source;
1596 		return 0;
1597 	case EAP_INPUT_SOURCE:
1598 		if (cp->type != AUDIO_MIXER_SET)
1599 			return EINVAL;
1600 		cp->un.mask = sc->sc_input_source;
1601 		return 0;
1602 	case EAP_MIC_PREAMP:
1603 		if (cp->type != AUDIO_MIXER_ENUM)
1604 			return EINVAL;
1605 		cp->un.ord = sc->sc_mic_preamp;
1606 		return 0;
1607 	case EAP_MASTER_VOL:
1608 		l = ATT5_TO_VOL(sc->sc_port[AK_MASTER_L]);
1609 		r = ATT5_TO_VOL(sc->sc_port[AK_MASTER_R]);
1610 		break;
1611 	case EAP_MIC_VOL:
1612 		if (cp->un.value.num_channels != 1)
1613 			return EINVAL;
1614 		la = ra = AK_MIC;
1615 		goto lr;
1616 	case EAP_VOICE_VOL:
1617 		la = AK_VOICE_L;
1618 		ra = AK_VOICE_R;
1619 		goto lr;
1620 	case EAP_FM_VOL:
1621 		la = AK_FM_L;
1622 		ra = AK_FM_R;
1623 		goto lr;
1624 	case EAP_CD_VOL:
1625 		la = AK_CD_L;
1626 		ra = AK_CD_R;
1627 		goto lr;
1628 	case EAP_LINE_VOL:
1629 		la = AK_LINE_L;
1630 		ra = AK_LINE_R;
1631 		goto lr;
1632 	case EAP_AUX_VOL:
1633 		la = AK_AUX_L;
1634 		ra = AK_AUX_R;
1635 	lr:
1636 		l = GAIN5_TO_VOL(sc->sc_port[la]);
1637 		r = GAIN5_TO_VOL(sc->sc_port[ra]);
1638 		break;
1639 	default:
1640 		return EINVAL;
1641 	}
1642 	if (cp->un.value.num_channels == 1)
1643 		cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = (l+r) / 2;
1644 	else if (cp->un.value.num_channels == 2) {
1645 		cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]  = l;
1646 		cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
1647 	} else
1648 		return EINVAL;
1649 	return 0;
1650 }
1651 
1652 static int
1653 eap1370_query_devinfo(void *addr, mixer_devinfo_t *dip)
1654 {
1655 
1656 	switch (dip->index) {
1657 	case EAP_MASTER_VOL:
1658 		dip->type = AUDIO_MIXER_VALUE;
1659 		dip->mixer_class = EAP_OUTPUT_CLASS;
1660 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1661 		strcpy(dip->label.name, AudioNmaster);
1662 		dip->un.v.num_channels = 2;
1663 		dip->un.v.delta = 8;
1664 		strcpy(dip->un.v.units.name, AudioNvolume);
1665 		return 0;
1666 	case EAP_VOICE_VOL:
1667 		dip->type = AUDIO_MIXER_VALUE;
1668 		dip->mixer_class = EAP_INPUT_CLASS;
1669 		dip->prev = AUDIO_MIXER_LAST;
1670 		dip->next = AUDIO_MIXER_LAST;
1671 		strcpy(dip->label.name, AudioNdac);
1672 		dip->un.v.num_channels = 2;
1673 		dip->un.v.delta = 8;
1674 		strcpy(dip->un.v.units.name, AudioNvolume);
1675 		return 0;
1676 	case EAP_FM_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, AudioNfmsynth);
1682 		dip->un.v.num_channels = 2;
1683 		dip->un.v.delta = 8;
1684 		strcpy(dip->un.v.units.name, AudioNvolume);
1685 		return 0;
1686 	case EAP_CD_VOL:
1687 		dip->type = AUDIO_MIXER_VALUE;
1688 		dip->mixer_class = EAP_INPUT_CLASS;
1689 		dip->prev = AUDIO_MIXER_LAST;
1690 		dip->next = AUDIO_MIXER_LAST;
1691 		strcpy(dip->label.name, AudioNcd);
1692 		dip->un.v.num_channels = 2;
1693 		dip->un.v.delta = 8;
1694 		strcpy(dip->un.v.units.name, AudioNvolume);
1695 		return 0;
1696 	case EAP_LINE_VOL:
1697 		dip->type = AUDIO_MIXER_VALUE;
1698 		dip->mixer_class = EAP_INPUT_CLASS;
1699 		dip->prev = AUDIO_MIXER_LAST;
1700 		dip->next = AUDIO_MIXER_LAST;
1701 		strcpy(dip->label.name, AudioNline);
1702 		dip->un.v.num_channels = 2;
1703 		dip->un.v.delta = 8;
1704 		strcpy(dip->un.v.units.name, AudioNvolume);
1705 		return 0;
1706 	case EAP_AUX_VOL:
1707 		dip->type = AUDIO_MIXER_VALUE;
1708 		dip->mixer_class = EAP_INPUT_CLASS;
1709 		dip->prev = AUDIO_MIXER_LAST;
1710 		dip->next = AUDIO_MIXER_LAST;
1711 		strcpy(dip->label.name, AudioNaux);
1712 		dip->un.v.num_channels = 2;
1713 		dip->un.v.delta = 8;
1714 		strcpy(dip->un.v.units.name, AudioNvolume);
1715 		return 0;
1716 	case EAP_MIC_VOL:
1717 		dip->type = AUDIO_MIXER_VALUE;
1718 		dip->mixer_class = EAP_INPUT_CLASS;
1719 		dip->prev = AUDIO_MIXER_LAST;
1720 		dip->next = EAP_MIC_PREAMP;
1721 		strcpy(dip->label.name, AudioNmicrophone);
1722 		dip->un.v.num_channels = 1;
1723 		dip->un.v.delta = 8;
1724 		strcpy(dip->un.v.units.name, AudioNvolume);
1725 		return 0;
1726 	case EAP_RECORD_SOURCE:
1727 		dip->mixer_class = EAP_RECORD_CLASS;
1728 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1729 		strcpy(dip->label.name, AudioNsource);
1730 		dip->type = AUDIO_MIXER_SET;
1731 		dip->un.s.num_mem = 6;
1732 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1733 		dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1734 		strcpy(dip->un.s.member[1].label.name, AudioNcd);
1735 		dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1736 		strcpy(dip->un.s.member[2].label.name, AudioNline);
1737 		dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1738 		strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1739 		dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1740 		strcpy(dip->un.s.member[4].label.name, AudioNaux);
1741 		dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1742 		strcpy(dip->un.s.member[5].label.name, AudioNdac);
1743 		dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1744 		return 0;
1745 	case EAP_INPUT_SOURCE:
1746 		dip->mixer_class = EAP_INPUT_CLASS;
1747 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1748 		strcpy(dip->label.name, AudioNsource);
1749 		dip->type = AUDIO_MIXER_SET;
1750 		dip->un.s.num_mem = 6;
1751 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1752 		dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1753 		strcpy(dip->un.s.member[1].label.name, AudioNcd);
1754 		dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1755 		strcpy(dip->un.s.member[2].label.name, AudioNline);
1756 		dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1757 		strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1758 		dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1759 		strcpy(dip->un.s.member[4].label.name, AudioNaux);
1760 		dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1761 		strcpy(dip->un.s.member[5].label.name, AudioNdac);
1762 		dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1763 		return 0;
1764 	case EAP_MIC_PREAMP:
1765 		dip->type = AUDIO_MIXER_ENUM;
1766 		dip->mixer_class = EAP_INPUT_CLASS;
1767 		dip->prev = EAP_MIC_VOL;
1768 		dip->next = AUDIO_MIXER_LAST;
1769 		strcpy(dip->label.name, AudioNpreamp);
1770 		dip->un.e.num_mem = 2;
1771 		strcpy(dip->un.e.member[0].label.name, AudioNoff);
1772 		dip->un.e.member[0].ord = 0;
1773 		strcpy(dip->un.e.member[1].label.name, AudioNon);
1774 		dip->un.e.member[1].ord = 1;
1775 		return 0;
1776 	case EAP_OUTPUT_CLASS:
1777 		dip->type = AUDIO_MIXER_CLASS;
1778 		dip->mixer_class = EAP_OUTPUT_CLASS;
1779 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1780 		strcpy(dip->label.name, AudioCoutputs);
1781 		return 0;
1782 	case EAP_RECORD_CLASS:
1783 		dip->type = AUDIO_MIXER_CLASS;
1784 		dip->mixer_class = EAP_RECORD_CLASS;
1785 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1786 		strcpy(dip->label.name, AudioCrecord);
1787 		return 0;
1788 	case EAP_INPUT_CLASS:
1789 		dip->type = AUDIO_MIXER_CLASS;
1790 		dip->mixer_class = EAP_INPUT_CLASS;
1791 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1792 		strcpy(dip->label.name, AudioCinputs);
1793 		return 0;
1794 	}
1795 	return ENXIO;
1796 }
1797 
1798 static void *
1799 eap_malloc(void *addr, int direction, size_t size,
1800     struct malloc_type *pool, int flags)
1801 {
1802 	struct eap_instance *ei;
1803 	struct eap_softc *sc;
1804 	struct eap_dma *p;
1805 	int error;
1806 
1807 	p = malloc(sizeof(*p), pool, flags);
1808 	if (!p)
1809 		return NULL;
1810 	ei = addr;
1811 	sc = (struct eap_softc *)ei->parent;
1812 	error = eap_allocmem(sc, size, 16, p);
1813 	if (error) {
1814 		free(p, pool);
1815 		return NULL;
1816 	}
1817 	p->next = sc->sc_dmas;
1818 	sc->sc_dmas = p;
1819 	return KERNADDR(p);
1820 }
1821 
1822 static void
1823 eap_free(void *addr, void *ptr, struct malloc_type *pool)
1824 {
1825 	struct eap_instance *ei;
1826 	struct eap_softc *sc;
1827 	struct eap_dma **pp, *p;
1828 
1829 	ei = addr;
1830 	sc = (struct eap_softc *)ei->parent;
1831 	for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1832 		if (KERNADDR(p) == ptr) {
1833 			eap_freemem(sc, p);
1834 			*pp = p->next;
1835 			free(p, pool);
1836 			return;
1837 		}
1838 	}
1839 }
1840 
1841 static size_t
1842 eap_round_buffersize(void *addr, int direction, size_t size)
1843 {
1844 
1845 	return size;
1846 }
1847 
1848 static paddr_t
1849 eap_mappage(void *addr, void *mem, off_t off, int prot)
1850 {
1851 	struct eap_instance *ei;
1852 	struct eap_softc *sc;
1853 	struct eap_dma *p;
1854 
1855 	if (off < 0)
1856 		return -1;
1857 	ei = addr;
1858 	sc = (struct eap_softc *)ei->parent;
1859 	for (p = sc->sc_dmas; p && KERNADDR(p) != mem; p = p->next)
1860 		continue;
1861 	if (!p)
1862 		return -1;
1863 	return bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
1864 			       off, prot, BUS_DMA_WAITOK);
1865 }
1866 
1867 static int
1868 eap_get_props(void *addr)
1869 {
1870 
1871 	return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
1872 	    AUDIO_PROP_FULLDUPLEX;
1873 }
1874 
1875 #if NMIDI > 0
1876 static int
1877 eap_midi_open(void *addr, int flags,
1878 	      void (*iintr)(void *, int),
1879 	      void (*ointr)(void *),
1880 	      void *arg)
1881 {
1882 	struct eap_softc *sc;
1883 	uint8_t uctrl;
1884 
1885 	sc = addr;
1886 	sc->sc_arg = arg;
1887 
1888 	EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) | EAP_UART_EN);
1889 	uctrl = 0;
1890 	if (flags & FREAD) {
1891 		uctrl |= EAP_UC_RXINTEN;
1892 		sc->sc_iintr = iintr;
1893 	}
1894 	if (flags & FWRITE)
1895 		sc->sc_ointr = ointr;
1896 	EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1897 
1898 	return 0;
1899 }
1900 
1901 static void
1902 eap_midi_close(void *addr)
1903 {
1904 	struct eap_softc *sc;
1905 
1906 	sc = addr;
1907 	tsleep(sc, PWAIT, "eapclm", hz/10); /* give uart a chance to drain */
1908 	EWRITE1(sc, EAP_UART_CONTROL, 0);
1909 	EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) & ~EAP_UART_EN);
1910 
1911 	sc->sc_iintr = 0;
1912 	sc->sc_ointr = 0;
1913 }
1914 
1915 static int
1916 eap_midi_output(void *addr, int d)
1917 {
1918 	struct eap_softc *sc;
1919 	uint8_t uctrl;
1920 
1921 	sc = addr;
1922 	EWRITE1(sc, EAP_UART_DATA, d);
1923 
1924 	uctrl = EAP_UC_TXINTEN;
1925 	if (sc->sc_iintr)
1926 		uctrl |= EAP_UC_RXINTEN;
1927 	/*
1928 	 * This is a write-only register, so we have to remember the right
1929 	 * value of RXINTEN as well as setting TXINTEN. But if we are open
1930 	 * for reading, it will always be correct to set RXINTEN here; only
1931 	 * during service of a receive interrupt could it be momentarily
1932 	 * toggled off, and whether we got here from the top half or from
1933 	 * an interrupt, that won't be the current state.
1934 	 */
1935 	EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1936 	return 0;
1937 }
1938 
1939 static void
1940 eap_midi_getinfo(void *addr, struct midi_info *mi)
1941 {
1942 	mi->name = "AudioPCI MIDI UART";
1943 	mi->props = MIDI_PROP_CAN_INPUT | MIDI_PROP_OUT_INTR;
1944 }
1945 
1946 static void
1947 eap_uart_txrdy(struct eap_softc *sc)
1948 {
1949 	uint8_t uctrl;
1950 	uctrl = 0;
1951 	if (sc->sc_iintr)
1952 		uctrl = EAP_UC_RXINTEN;
1953 	EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1954 	sc->sc_ointr(sc->sc_arg);
1955 }
1956 
1957 #endif
1958