xref: /netbsd-src/sys/dev/pci/eap.c (revision 6dffe8d42bd46273f674d7ab834e7be9b1af990e)
1 /*	$NetBSD: eap.c,v 1.92 2008/04/28 20:23:54 martin 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  *
21  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31  * POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 /*
35  * Debugging:   Andreas Gustafsson <gson@araneus.fi>
36  * Testing:     Chuck Cranor       <chuck@maria.wustl.edu>
37  *              Phil Nelson        <phil@cs.wwu.edu>
38  *
39  * ES1371/AC97:	Ezra Story         <ezy@panix.com>
40  */
41 
42 /*
43  * Ensoniq ES1370 + AK4531 and ES1371/ES1373 + AC97
44  *
45  * Documentation links:
46  *
47  * ftp://ftp.alsa-project.org/pub/manuals/ensoniq/ (ES1370 and 1371 datasheets)
48  * http://web.archive.org/web/20040622012936/http://www.corbac.com/Data/Misc/es1373.ps.gz
49  * ftp://ftp.alsa-project.org/pub/manuals/asahi_kasei/4531.pdf
50  * ftp://download.intel.com/ial/scalableplatforms/audio/ac97r21.pdf
51  */
52 
53 #include <sys/cdefs.h>
54 __KERNEL_RCSID(0, "$NetBSD: eap.c,v 1.92 2008/04/28 20:23:54 martin Exp $");
55 
56 #include "midi.h"
57 #include "joy_eap.h"
58 
59 #include <sys/param.h>
60 #include <sys/systm.h>
61 #include <sys/kernel.h>
62 #include <sys/fcntl.h>
63 #include <sys/malloc.h>
64 #include <sys/device.h>
65 #include <sys/proc.h>
66 #include <sys/select.h>
67 
68 #include <dev/pci/pcidevs.h>
69 #include <dev/pci/pcivar.h>
70 
71 #include <sys/audioio.h>
72 #include <dev/audio_if.h>
73 #include <dev/midi_if.h>
74 #include <dev/audiovar.h>
75 #include <dev/mulaw.h>
76 #include <dev/auconv.h>
77 #include <dev/ic/ac97var.h>
78 
79 #include <sys/bus.h>
80 
81 #include <dev/pci/eapreg.h>
82 #include <dev/pci/eapvar.h>
83 
84 #define	PCI_CBIO		0x10
85 
86 /* Debug */
87 #ifdef AUDIO_DEBUG
88 #define DPRINTF(x)	if (eapdebug) printf x
89 #define DPRINTFN(n,x)	if (eapdebug>(n)) printf x
90 int	eapdebug = 0;
91 #else
92 #define DPRINTF(x)
93 #define DPRINTFN(n,x)
94 #endif
95 
96 static int	eap_match(device_t, cfdata_t, void *);
97 static void	eap_attach(device_t, device_t, void *);
98 static int	eap_detach(device_t, int);
99 static int	eap_intr(void *);
100 
101 struct eap_dma {
102 	bus_dmamap_t map;
103 	void *addr;
104 	bus_dma_segment_t segs[1];
105 	int nsegs;
106 	size_t size;
107 	struct eap_dma *next;
108 };
109 
110 #define DMAADDR(p) ((p)->map->dm_segs[0].ds_addr)
111 #define KERNADDR(p) ((void *)((p)->addr))
112 
113 /*
114  * The card has two DACs. Using them is a bit twisted: we use DAC2
115  * as default and DAC1 as the optional secondary DAC.
116  */
117 #define EAP_DAC1 1
118 #define EAP_DAC2 0
119 #define EAP_I1 EAP_DAC2
120 #define EAP_I2 EAP_DAC1
121 struct eap_instance {
122 	device_t parent;
123 	int index;
124 
125 	void	(*ei_pintr)(void *);	/* DMA completion intr handler */
126 	void	*ei_parg;		/* arg for ei_intr() */
127 	device_t ei_audiodev;		/* audio device, for detach */
128 #ifdef DIAGNOSTIC
129 	char	ei_prun;
130 #endif
131 };
132 
133 struct eap_softc {
134 	device_t sc_dev;		/* base device */
135 	void *sc_ih;			/* interrupt vectoring */
136 	bus_space_tag_t iot;
137 	bus_space_handle_t ioh;
138 	bus_size_t iosz;
139 	bus_dma_tag_t sc_dmatag;	/* DMA tag */
140 
141 	struct eap_dma *sc_dmas;
142 
143 	void	(*sc_rintr)(void *);	/* DMA completion intr handler */
144 	void	*sc_rarg;		/* arg for sc_intr() */
145 #ifdef DIAGNOSTIC
146 	char	sc_rrun;
147 #endif
148 
149 #if NMIDI > 0
150 	void	(*sc_iintr)(void *, int); /* midi input ready handler */
151 	void	(*sc_ointr)(void *);	/* midi output ready handler */
152 	void	*sc_arg;
153 	device_t sc_mididev;
154 #endif
155 #if NJOY_EAP > 0
156 	device_t sc_gameport;
157 #endif
158 
159 	u_short	sc_port[AK_NPORTS];	/* mirror of the hardware setting */
160 	u_int	sc_record_source;	/* recording source mask */
161 	u_int	sc_input_source;	/* input source mask */
162 	u_int	sc_mic_preamp;
163 	char    sc_1371;		/* Using ES1371/AC97 codec */
164 
165 	struct ac97_codec_if *codec_if;
166 	struct ac97_host_if host_if;
167 
168 	struct eap_instance sc_ei[2];
169 
170 	pci_chipset_tag_t sc_pc;	/* For detach */
171 };
172 
173 static int	eap_allocmem(struct eap_softc *, size_t, size_t,
174 			     struct eap_dma *);
175 static int	eap_freemem(struct eap_softc *, struct eap_dma *);
176 
177 #define EWRITE1(sc, r, x) bus_space_write_1((sc)->iot, (sc)->ioh, (r), (x))
178 #define EWRITE2(sc, r, x) bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x))
179 #define EWRITE4(sc, r, x) bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x))
180 #define EREAD1(sc, r) bus_space_read_1((sc)->iot, (sc)->ioh, (r))
181 #define EREAD2(sc, r) bus_space_read_2((sc)->iot, (sc)->ioh, (r))
182 #define EREAD4(sc, r) bus_space_read_4((sc)->iot, (sc)->ioh, (r))
183 
184 CFATTACH_DECL_NEW(eap, sizeof(struct eap_softc),
185     eap_match, eap_attach, eap_detach, NULL);
186 
187 static int	eap_open(void *, int);
188 static int	eap_query_encoding(void *, struct audio_encoding *);
189 static int	eap_set_params(void *, int, int, audio_params_t *,
190 			       audio_params_t *, stream_filter_list_t *,
191 			       stream_filter_list_t *);
192 static int	eap_round_blocksize(void *, int, int, const audio_params_t *);
193 static int	eap_trigger_output(void *, void *, void *, int,
194 				   void (*)(void *), void *,
195 				   const audio_params_t *);
196 static int	eap_trigger_input(void *, void *, void *, int,
197 				  void (*)(void *), void *,
198 				  const audio_params_t *);
199 static int	eap_halt_output(void *);
200 static int	eap_halt_input(void *);
201 static void	eap1370_write_codec(struct eap_softc *, int, int);
202 static int	eap_getdev(void *, struct audio_device *);
203 static int	eap1370_mixer_set_port(void *, mixer_ctrl_t *);
204 static int	eap1370_mixer_get_port(void *, mixer_ctrl_t *);
205 static int	eap1371_mixer_set_port(void *, mixer_ctrl_t *);
206 static int	eap1371_mixer_get_port(void *, mixer_ctrl_t *);
207 static int	eap1370_query_devinfo(void *, mixer_devinfo_t *);
208 static void	*eap_malloc(void *, int, size_t, struct malloc_type *, int);
209 static void	eap_free(void *, void *, struct malloc_type *);
210 static size_t	eap_round_buffersize(void *, int, size_t);
211 static paddr_t	eap_mappage(void *, void *, off_t, int);
212 static int	eap_get_props(void *);
213 static void	eap1370_set_mixer(struct eap_softc *, int, int);
214 static uint32_t eap1371_src_wait(struct eap_softc *);
215 static void	eap1371_set_adc_rate(struct eap_softc *, int);
216 static void	eap1371_set_dac_rate(struct eap_instance *, int);
217 static int	eap1371_src_read(struct eap_softc *, int);
218 static void	eap1371_src_write(struct eap_softc *, int, int);
219 static int	eap1371_query_devinfo(void *, mixer_devinfo_t *);
220 
221 static int	eap1371_attach_codec(void *, struct ac97_codec_if *);
222 static int	eap1371_read_codec(void *, uint8_t, uint16_t *);
223 static int	eap1371_write_codec(void *, uint8_t, uint16_t );
224 static int	eap1371_reset_codec(void *);
225 #if NMIDI > 0
226 static void	eap_midi_close(void *);
227 static void	eap_midi_getinfo(void *, struct midi_info *);
228 static int	eap_midi_open(void *, int, void (*)(void *, int),
229 			      void (*)(void *), void *);
230 static int	eap_midi_output(void *, int);
231 static void	eap_uart_txrdy(struct eap_softc *);
232 #endif
233 
234 static const struct audio_hw_if eap1370_hw_if = {
235 	eap_open,
236 	NULL,			/* close */
237 	NULL,
238 	eap_query_encoding,
239 	eap_set_params,
240 	eap_round_blocksize,
241 	NULL,
242 	NULL,
243 	NULL,
244 	NULL,
245 	NULL,
246 	eap_halt_output,
247 	eap_halt_input,
248 	NULL,
249 	eap_getdev,
250 	NULL,
251 	eap1370_mixer_set_port,
252 	eap1370_mixer_get_port,
253 	eap1370_query_devinfo,
254 	eap_malloc,
255 	eap_free,
256 	eap_round_buffersize,
257 	eap_mappage,
258 	eap_get_props,
259 	eap_trigger_output,
260 	eap_trigger_input,
261 	NULL,
262 	NULL,
263 };
264 
265 static 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 	NULL,
294 };
295 
296 #if NMIDI > 0
297 static const struct midi_hw_if eap_midi_hw_if = {
298 	eap_midi_open,
299 	eap_midi_close,
300 	eap_midi_output,
301 	eap_midi_getinfo,
302 	0,				/* ioctl */
303 };
304 #endif
305 
306 static struct audio_device eap_device = {
307 	"Ensoniq AudioPCI",
308 	"",
309 	"eap"
310 };
311 
312 #define EAP_NFORMATS	4
313 static const struct audio_format eap_formats[EAP_NFORMATS] = {
314 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
315 	 2, AUFMT_STEREO, 0, {4000, 48000}},
316 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
317 	 1, AUFMT_MONAURAL, 0, {4000, 48000}},
318 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
319 	 2, AUFMT_STEREO, 0, {4000, 48000}},
320 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
321 	 1, AUFMT_MONAURAL, 0, {4000, 48000}},
322 };
323 
324 static int
325 eap_match(device_t parent, cfdata_t match, void *aux)
326 {
327 	struct pci_attach_args *pa;
328 
329 	pa = (struct pci_attach_args *)aux;
330 	switch (PCI_VENDOR(pa->pa_id)) {
331 	case PCI_VENDOR_CREATIVELABS:
332 		switch (PCI_PRODUCT(pa->pa_id)) {
333 		case PCI_PRODUCT_CREATIVELABS_EV1938:
334 			return 1;
335 		}
336 		break;
337 	case PCI_VENDOR_ENSONIQ:
338 		switch (PCI_PRODUCT(pa->pa_id)) {
339 		case PCI_PRODUCT_ENSONIQ_AUDIOPCI:
340 		case PCI_PRODUCT_ENSONIQ_AUDIOPCI97:
341 		case PCI_PRODUCT_ENSONIQ_CT5880:
342 			return 1;
343 		}
344 		break;
345 	}
346 
347 	return 0;
348 }
349 
350 static void
351 eap1370_write_codec(struct eap_softc *sc, int a, int d)
352 {
353 	int icss, to;
354 
355 	to = EAP_WRITE_TIMEOUT;
356 	do {
357 		icss = EREAD4(sc, EAP_ICSS);
358 		DPRINTFN(5,("eap: codec %d prog: icss=0x%08x\n", a, icss));
359 		if (!to--) {
360 			printf("eap: timeout writing to codec\n");
361 			return;
362 		}
363 	} while(icss & EAP_CWRIP);  /* XXX could use CSTAT here */
364 	EWRITE4(sc, EAP_CODEC, EAP_SET_CODEC(a, d));
365 }
366 
367 /*
368  * Reading and writing the CODEC is very convoluted.  This mimics the
369  * FreeBSD and Linux drivers.
370  */
371 
372 static inline void
373 eap1371_ready_codec(struct eap_softc *sc, uint8_t a, uint32_t wd)
374 {
375 	int to, s;
376 	uint32_t src, t;
377 
378 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
379 		if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
380 			break;
381 		delay(1);
382 	}
383 	if (to >= EAP_WRITE_TIMEOUT)
384 		aprint_error_dev(sc->sc_dev,
385 		    "eap1371_ready_codec timeout 1\n");
386 
387 	s = splaudio();
388 	src = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
389 	EWRITE4(sc, E1371_SRC, src | E1371_SRC_STATE_OK);
390 
391 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
392 		t = EREAD4(sc, E1371_SRC);
393 		if ((t & E1371_SRC_STATE_MASK) == 0)
394 			break;
395 		delay(1);
396 	}
397 	if (to >= EAP_READ_TIMEOUT)
398 		aprint_error_dev(sc->sc_dev,
399 		    "eap1371_ready_codec timeout 2\n");
400 
401 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
402 		t = EREAD4(sc, E1371_SRC);
403 		if ((t & E1371_SRC_STATE_MASK) == E1371_SRC_STATE_OK)
404 			break;
405 		delay(1);
406 	}
407 	if (to >= EAP_READ_TIMEOUT)
408 		aprint_error_dev(sc->sc_dev,
409 		    "eap1371_ready_codec timeout 3\n");
410 
411 	EWRITE4(sc, E1371_CODEC, wd);
412 
413 	eap1371_src_wait(sc);
414 	EWRITE4(sc, E1371_SRC, src);
415 
416 	splx(s);
417 }
418 
419 static int
420 eap1371_read_codec(void *sc_, uint8_t a, uint16_t *d)
421 {
422 	struct eap_softc *sc;
423 	int to;
424 	uint32_t t;
425 
426 	sc = sc_;
427 	eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, 0) | E1371_CODEC_READ);
428 
429 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
430 		if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
431 			break;
432 	}
433 	if (to > EAP_WRITE_TIMEOUT)
434 		aprint_error_dev(sc->sc_dev,
435 		    "eap1371_read_codec timeout 1\n");
436 
437 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
438 		t = EREAD4(sc, E1371_CODEC);
439 		if (t & E1371_CODEC_VALID)
440 			break;
441 	}
442 	if (to > EAP_WRITE_TIMEOUT)
443 		aprint_error_dev(sc->sc_dev, "eap1371_read_codec timeout 2\n");
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 static 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 static 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 	aprint_error_dev(sc->sc_dev, "eap1371_src_wait timeout\n");
478 	return src;
479 }
480 
481 static 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 static 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 static 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 static 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 = device_private(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 static void
593 eap_attach(device_t parent, device_t 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 = device_private(self);
612 	sc->sc_dev = self;
613 	pa = (struct pci_attach_args *)aux;
614 	pc = pa->pa_pc;
615 	revstr = "";
616 	aprint_naive(": Audio controller\n");
617 
618 	/* Stash this away for detach */
619 	sc->sc_pc = pc;
620 
621 	/* Flag if we're "creative" */
622 	sc->sc_1371 = !(PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
623 			PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_AUDIOPCI);
624 
625 	/*
626 	 * The vendor and product ID's are quite "interesting". Just
627 	 * trust the following and be happy.
628 	 */
629 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
630 	revision = PCI_REVISION(pa->pa_class);
631 	ct5880 = 0;
632 	if (sc->sc_1371) {
633 		if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
634 		    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_CT5880) {
635 			ct5880 = 1;
636 			switch (revision) {
637 			case EAP_CT5880_C: revstr = "CT5880-C "; break;
638 			case EAP_CT5880_D: revstr = "CT5880-D "; break;
639 			case EAP_CT5880_E: revstr = "CT5880-E "; break;
640 			}
641 		} else {
642 			switch (revision) {
643 			case EAP_EV1938_A: revstr = "EV1938-A "; break;
644 			case EAP_ES1373_A: revstr = "ES1373-A "; break;
645 			case EAP_ES1373_B: revstr = "ES1373-B "; break;
646 			case EAP_CT5880_A: revstr = "CT5880-A "; ct5880=1;break;
647 			case EAP_ES1373_8: revstr = "ES1373-8" ; ct5880=1;break;
648 			case EAP_ES1371_B: revstr = "ES1371-B "; break;
649 			}
650 		}
651 	}
652 	aprint_normal(": %s %s(rev. 0x%02x)\n", devinfo, revstr, revision);
653 
654 	/* Map I/O register */
655 	if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
656 	      &sc->iot, &sc->ioh, NULL, &sc->iosz)) {
657 		aprint_error_dev(sc->sc_dev, "can't map i/o space\n");
658 		return;
659 	}
660 
661 	sc->sc_dmatag = pa->pa_dmat;
662 
663 	/* Enable the device. */
664 	csr = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
665 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
666 		       csr | PCI_COMMAND_MASTER_ENABLE);
667 
668 	/* Map and establish the interrupt. */
669 	if (pci_intr_map(pa, &ih)) {
670 		aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n");
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_dev(sc->sc_dev, "couldn't establish interrupt");
677 		if (intrstr != NULL)
678 			aprint_error(" at %s", intrstr);
679 		aprint_error("\n");
680 		return;
681 	}
682 	aprint_normal_dev(self, "interrupting at %s\n", intrstr);
683 
684 	sc->sc_ei[EAP_I1].parent = self;
685 	sc->sc_ei[EAP_I1].index = EAP_DAC2;
686 	sc->sc_ei[EAP_I2].parent = self;
687 	sc->sc_ei[EAP_I2].index = EAP_DAC1;
688 
689 	if (!sc->sc_1371) {
690 		/* Enable interrupts and looping mode. */
691 		/* enable the parts we need */
692 		EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
693 		EWRITE4(sc, EAP_ICSC, EAP_CDC_EN);
694 
695 		/* reset codec */
696 		/* normal operation */
697 		/* select codec clocks */
698 		eap1370_write_codec(sc, AK_RESET, AK_PD);
699 		eap1370_write_codec(sc, AK_RESET, AK_PD | AK_NRST);
700 		eap1370_write_codec(sc, AK_CS, 0x0);
701 
702 		eap_hw_if = &eap1370_hw_if;
703 
704 		/* Enable all relevant mixer switches. */
705 		ctl.dev = EAP_INPUT_SOURCE;
706 		ctl.type = AUDIO_MIXER_SET;
707 		ctl.un.mask = 1 << EAP_VOICE_VOL | 1 << EAP_FM_VOL |
708 			1 << EAP_CD_VOL | 1 << EAP_LINE_VOL | 1 << EAP_AUX_VOL |
709 			1 << EAP_MIC_VOL;
710 		eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
711 
712 		ctl.type = AUDIO_MIXER_VALUE;
713 		ctl.un.value.num_channels = 1;
714 		for (ctl.dev = EAP_MASTER_VOL; ctl.dev < EAP_MIC_VOL;
715 		     ctl.dev++) {
716 			ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = VOL_0DB;
717 			eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
718 		}
719 		ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = 0;
720 		eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
721 		ctl.dev = EAP_MIC_PREAMP;
722 		ctl.type = AUDIO_MIXER_ENUM;
723 		ctl.un.ord = 0;
724 		eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
725 		ctl.dev = EAP_RECORD_SOURCE;
726 		ctl.type = AUDIO_MIXER_SET;
727 		ctl.un.mask = 1 << EAP_MIC_VOL;
728 		eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
729 	} else {
730 		/* clean slate */
731 
732 		EWRITE4(sc, EAP_SIC, 0);
733 		EWRITE4(sc, EAP_ICSC, 0);
734 		EWRITE4(sc, E1371_LEGACY, 0);
735 
736 		if (ct5880) {
737 			EWRITE4(sc, EAP_ICSS, EAP_CT5880_AC97_RESET);
738 			/* Let codec wake up */
739 			delay(20000);
740 		}
741 
742 		/* Reset from es1371's perspective */
743 		EWRITE4(sc, EAP_ICSC, E1371_SYNC_RES);
744 		delay(20);
745 		EWRITE4(sc, EAP_ICSC, 0);
746 
747 		/*
748 		 * Must properly reprogram sample rate converter,
749 		 * or it locks up.  Set some defaults for the life of the
750 		 * machine, and set up a sb default sample rate.
751 		 */
752 		EWRITE4(sc, E1371_SRC, E1371_SRC_DISABLE);
753 		for (i = 0; i < 0x80; i++)
754 			eap1371_src_write(sc, i, 0);
755 		eap1371_src_write(sc, ESRC_DAC1+ESRC_TRUNC_N, ESRC_SET_N(16));
756 		eap1371_src_write(sc, ESRC_DAC2+ESRC_TRUNC_N, ESRC_SET_N(16));
757 		eap1371_src_write(sc, ESRC_DAC1+ESRC_IREGS, ESRC_SET_VFI(16));
758 		eap1371_src_write(sc, ESRC_DAC2+ESRC_IREGS, ESRC_SET_VFI(16));
759 		eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(16));
760 		eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(16));
761 		eap1371_src_write(sc, ESRC_DAC1_VOLL, ESRC_SET_DAC_VOLI(1));
762 		eap1371_src_write(sc, ESRC_DAC1_VOLR, ESRC_SET_DAC_VOLI(1));
763 		eap1371_src_write(sc, ESRC_DAC2_VOLL, ESRC_SET_DAC_VOLI(1));
764 		eap1371_src_write(sc, ESRC_DAC2_VOLR, ESRC_SET_DAC_VOLI(1));
765 		eap1371_set_adc_rate(sc, 22050);
766 		eap1371_set_dac_rate(&sc->sc_ei[0], 22050);
767 		eap1371_set_dac_rate(&sc->sc_ei[1], 22050);
768 
769 		EWRITE4(sc, E1371_SRC, 0);
770 
771 		/* Reset codec */
772 
773 		/* Interrupt enable */
774 		sc->host_if.arg = sc;
775 		sc->host_if.attach = eap1371_attach_codec;
776 		sc->host_if.read = eap1371_read_codec;
777 		sc->host_if.write = eap1371_write_codec;
778 		sc->host_if.reset = eap1371_reset_codec;
779 
780 		if (ac97_attach(&sc->host_if, self) == 0) {
781 			/* Interrupt enable */
782 			EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
783 		} else
784 			return;
785 
786 		eap_hw_if = &eap1371_hw_if;
787 	}
788 
789 	sc->sc_ei[EAP_I1].ei_audiodev =
790 	    audio_attach_mi(eap_hw_if, &sc->sc_ei[EAP_I1], sc->sc_dev);
791 
792 #ifdef EAP_USE_BOTH_DACS
793 	aprint_normal_dev(self, "attaching secondary DAC\n");
794 	sc->sc_ei[EAP_I2].ei_audiodev =
795 	    audio_attach_mi(eap_hw_if, &sc->sc_ei[EAP_I2], sc->sc_dev);
796 #endif
797 
798 #if NMIDI > 0
799 	sc->sc_mididev = midi_attach_mi(&eap_midi_hw_if, sc, sc->sc_dev);
800 #endif
801 
802 #if NJOY_EAP > 0
803 	if (sc->sc_1371) {
804 		gpargs.gpa_iot = sc->iot;
805 		gpargs.gpa_ioh = sc->ioh;
806 		sc->sc_gameport = eap_joy_attach(sc->sc_dev, &gpargs);
807 	}
808 #endif
809 }
810 
811 static int
812 eap_detach(device_t self, int flags)
813 {
814 	struct eap_softc *sc;
815 	int res;
816 #if NJOY_EAP > 0
817 	struct eap_gameport_args gpargs;
818 
819 	sc = device_private(self);
820 	if (sc->sc_gameport) {
821 		gpargs.gpa_iot = sc->iot;
822 		gpargs.gpa_ioh = sc->ioh;
823 		res = eap_joy_detach(sc->sc_gameport, &gpargs);
824 		if (res)
825 			return res;
826 	}
827 #else
828 	sc = device_private(self);
829 #endif
830 #if NMIDI > 0
831 	if (sc->sc_mididev != NULL) {
832 		res = config_detach(sc->sc_mididev, 0);
833 		if (res)
834 			return res;
835 	}
836 #endif
837 #ifdef EAP_USE_BOTH_DACS
838 	if (sc->sc_ei[EAP_I2].ei_audiodev != NULL) {
839 		res = config_detach(sc->sc_ei[EAP_I2].ei_audiodev, 0);
840 		if (res)
841 			return res;
842 	}
843 #endif
844 	if (sc->sc_ei[EAP_I1].ei_audiodev != NULL) {
845 		res = config_detach(sc->sc_ei[EAP_I1].ei_audiodev, 0);
846 		if (res)
847 			return res;
848 	}
849 
850 	bus_space_unmap(sc->iot, sc->ioh, sc->iosz);
851 	pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
852 
853 	return 0;
854 }
855 
856 static int
857 eap1371_attach_codec(void *sc_, struct ac97_codec_if *codec_if)
858 {
859 	struct eap_softc *sc;
860 
861 	sc = sc_;
862 	sc->codec_if = codec_if;
863 	return 0;
864 }
865 
866 static int
867 eap1371_reset_codec(void *sc_)
868 {
869 	struct eap_softc *sc;
870 	uint32_t icsc;
871 	int s;
872 
873 	sc = sc_;
874 	s = splaudio();
875 	icsc = EREAD4(sc, EAP_ICSC);
876 	EWRITE4(sc, EAP_ICSC, icsc | E1371_SYNC_RES);
877 	delay(20);
878 	EWRITE4(sc, EAP_ICSC, icsc & ~E1371_SYNC_RES);
879 	delay(1);
880 	splx(s);
881 
882 	return 0;
883 }
884 
885 static int
886 eap_intr(void *p)
887 {
888 	struct eap_softc *sc;
889 	uint32_t intr, sic;
890 
891 	sc = p;
892 	intr = EREAD4(sc, EAP_ICSS);
893 	if (!(intr & EAP_INTR))
894 		return 0;
895 	sic = EREAD4(sc, EAP_SIC);
896 	DPRINTFN(5, ("eap_intr: ICSS=0x%08x, SIC=0x%08x\n", intr, sic));
897 	if (intr & EAP_I_ADC) {
898 #if 0
899 		/*
900 		 * XXX This is a hack!
901 		 * The EAP chip sometimes generates the recording interrupt
902 		 * while it is still transferring the data.  To make sure
903 		 * it has all arrived we busy wait until the count is right.
904 		 * The transfer we are waiting for is 8 longwords.
905 		 */
906 		int s, nw, n;
907 		EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
908 		s = EREAD4(sc, EAP_ADC_CSR);
909 		nw = ((s & 0xffff) + 1) >> 2; /* # of words in DMA */
910 		n = 0;
911 		while (((EREAD4(sc, EAP_ADC_SIZE) >> 16) + 8) % nw == 0) {
912 			delay(10);
913 			if (++n > 100) {
914 				printf("eapintr: DMA fix timeout");
915 				break;
916 			}
917 		}
918 		/* Continue with normal interrupt handling. */
919 #endif
920 		EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
921 		EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
922 		if (sc->sc_rintr)
923 			sc->sc_rintr(sc->sc_rarg);
924 	}
925 
926 	if (intr & EAP_I_DAC2) {
927 		EWRITE4(sc, EAP_SIC, sic & ~EAP_P2_INTR_EN);
928 		EWRITE4(sc, EAP_SIC, sic | EAP_P2_INTR_EN);
929 		if (sc->sc_ei[EAP_DAC2].ei_pintr)
930 			sc->sc_ei[EAP_DAC2].ei_pintr(sc->sc_ei[EAP_DAC2].ei_parg);
931 	}
932 
933 	if (intr & EAP_I_DAC1) {
934 		EWRITE4(sc, EAP_SIC, sic & ~EAP_P1_INTR_EN);
935 		EWRITE4(sc, EAP_SIC, sic | EAP_P1_INTR_EN);
936 		if (sc->sc_ei[EAP_DAC1].ei_pintr)
937 			sc->sc_ei[EAP_DAC1].ei_pintr(sc->sc_ei[EAP_DAC1].ei_parg);
938 	}
939 
940 	if (intr & EAP_I_MCCB)
941 		panic("eap_intr: unexpected MCCB interrupt");
942 #if NMIDI > 0
943 	if (intr & EAP_I_UART) {
944 		uint8_t ustat;
945 		uint32_t data;
946 
947 		ustat = EREAD1(sc, EAP_UART_STATUS);
948 
949 		if (ustat & EAP_US_RXINT) {
950 			while (EREAD1(sc, EAP_UART_STATUS) & EAP_US_RXRDY) {
951 				data = EREAD1(sc, EAP_UART_DATA);
952 				sc->sc_iintr(sc->sc_arg, data);
953 			}
954 		}
955 
956 		if (ustat & EAP_US_TXINT)
957 			eap_uart_txrdy(sc);
958 	}
959 #endif
960 	return 1;
961 }
962 
963 static int
964 eap_allocmem(struct eap_softc *sc, size_t size, size_t align, struct eap_dma *p)
965 {
966 	int error;
967 
968 	p->size = size;
969 	error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
970 				 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
971 				 &p->nsegs, BUS_DMA_NOWAIT);
972 	if (error)
973 		return error;
974 
975 	error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
976 			       &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
977 	if (error)
978 		goto free;
979 
980 	error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
981 				  0, BUS_DMA_NOWAIT, &p->map);
982 	if (error)
983 		goto unmap;
984 
985 	error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
986 				BUS_DMA_NOWAIT);
987 	if (error)
988 		goto destroy;
989 	return (0);
990 
991 destroy:
992 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
993 unmap:
994 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
995 free:
996 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
997 	return error;
998 }
999 
1000 static int
1001 eap_freemem(struct eap_softc *sc, struct eap_dma *p)
1002 {
1003 
1004 	bus_dmamap_unload(sc->sc_dmatag, p->map);
1005 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
1006 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
1007 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
1008 	return 0;
1009 }
1010 
1011 static int
1012 eap_open(void *addr, int flags)
1013 {
1014 	struct eap_instance *ei;
1015 
1016 	ei = addr;
1017 	/* there is only one ADC */
1018 	if (ei->index == EAP_I2 && flags & FREAD)
1019 		return EOPNOTSUPP;
1020 
1021 	return 0;
1022 }
1023 
1024 static int
1025 eap_query_encoding(void *addr, struct audio_encoding *fp)
1026 {
1027 
1028 	switch (fp->index) {
1029 	case 0:
1030 		strcpy(fp->name, AudioEulinear);
1031 		fp->encoding = AUDIO_ENCODING_ULINEAR;
1032 		fp->precision = 8;
1033 		fp->flags = 0;
1034 		return 0;
1035 	case 1:
1036 		strcpy(fp->name, AudioEmulaw);
1037 		fp->encoding = AUDIO_ENCODING_ULAW;
1038 		fp->precision = 8;
1039 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1040 		return 0;
1041 	case 2:
1042 		strcpy(fp->name, AudioEalaw);
1043 		fp->encoding = AUDIO_ENCODING_ALAW;
1044 		fp->precision = 8;
1045 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1046 		return 0;
1047 	case 3:
1048 		strcpy(fp->name, AudioEslinear);
1049 		fp->encoding = AUDIO_ENCODING_SLINEAR;
1050 		fp->precision = 8;
1051 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1052 		return 0;
1053 	case 4:
1054 		strcpy(fp->name, AudioEslinear_le);
1055 		fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
1056 		fp->precision = 16;
1057 		fp->flags = 0;
1058 		return 0;
1059 	case 5:
1060 		strcpy(fp->name, AudioEulinear_le);
1061 		fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
1062 		fp->precision = 16;
1063 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1064 		return 0;
1065 	case 6:
1066 		strcpy(fp->name, AudioEslinear_be);
1067 		fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
1068 		fp->precision = 16;
1069 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1070 		return 0;
1071 	case 7:
1072 		strcpy(fp->name, AudioEulinear_be);
1073 		fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
1074 		fp->precision = 16;
1075 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1076 		return 0;
1077 	default:
1078 		return EINVAL;
1079 	}
1080 }
1081 
1082 static int
1083 eap_set_params(void *addr, int setmode, int usemode,
1084 	       audio_params_t *play, audio_params_t *rec,
1085 	       stream_filter_list_t *pfil, stream_filter_list_t *rfil)
1086 {
1087 	struct eap_instance *ei;
1088 	struct eap_softc *sc;
1089 	struct audio_params *p;
1090 	stream_filter_list_t *fil;
1091 	int mode, i;
1092 	uint32_t div;
1093 
1094 	ei = addr;
1095 	sc = device_private(ei->parent);
1096 	/*
1097 	 * The es1370 only has one clock, so make the sample rates match.
1098 	 * This only applies for ADC/DAC2. The FM DAC is handled below.
1099 	 */
1100 	if (!sc->sc_1371 && ei->index == EAP_DAC2) {
1101 		if (play->sample_rate != rec->sample_rate &&
1102 		    usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
1103 			if (setmode == AUMODE_PLAY) {
1104 				rec->sample_rate = play->sample_rate;
1105 				setmode |= AUMODE_RECORD;
1106 			} else if (setmode == AUMODE_RECORD) {
1107 				play->sample_rate = rec->sample_rate;
1108 				setmode |= AUMODE_PLAY;
1109 			} else
1110 				return EINVAL;
1111 		}
1112 	}
1113 
1114 	for (mode = AUMODE_RECORD; mode != -1;
1115 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
1116 		if ((setmode & mode) == 0)
1117 			continue;
1118 
1119 		p = mode == AUMODE_PLAY ? play : rec;
1120 
1121 		if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
1122 		    (p->precision != 8 && p->precision != 16) ||
1123 		    (p->channels != 1 && p->channels != 2))
1124 			return EINVAL;
1125 
1126 		fil = mode == AUMODE_PLAY ? pfil : rfil;
1127 		i = auconv_set_converter(eap_formats, EAP_NFORMATS,
1128 					 mode, p, FALSE, fil);
1129 		if (i < 0)
1130 			return EINVAL;
1131 	}
1132 
1133 	if (sc->sc_1371) {
1134 		eap1371_set_dac_rate(ei, play->sample_rate);
1135 		eap1371_set_adc_rate(sc, rec->sample_rate);
1136 	} else if (ei->index == EAP_DAC2) {
1137 		/* Set the speed */
1138 		DPRINTFN(2, ("eap_set_params: old ICSC = 0x%08x\n",
1139 			     EREAD4(sc, EAP_ICSC)));
1140 		div = EREAD4(sc, EAP_ICSC) & ~EAP_PCLKBITS;
1141 		/*
1142 		 * XXX
1143 		 * The -2 isn't documented, but seemed to make the wall
1144 		 * time match
1145 		 * what I expect.  - mycroft
1146 		 */
1147 		if (usemode == AUMODE_RECORD)
1148 			div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ /
1149 				rec->sample_rate - 2);
1150 		else
1151 			div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ /
1152 				play->sample_rate - 2);
1153 #if 0
1154 		div |= EAP_CCB_INTRM;
1155 #else
1156 		/*
1157 		 * It is not obvious how to acknowledge MCCB interrupts, so
1158 		 * we had better not enable them.
1159 		 */
1160 #endif
1161 		EWRITE4(sc, EAP_ICSC, div);
1162 		DPRINTFN(2, ("eap_set_params: set ICSC = 0x%08x\n", div));
1163 	} else {
1164 		/*
1165 		 * The FM DAC has only a few fixed-frequency choises, so
1166 		 * pick out the best candidate.
1167 		 */
1168 		div = EREAD4(sc, EAP_ICSC);
1169 		DPRINTFN(2, ("eap_set_params: old ICSC = 0x%08x\n", div));
1170 
1171 		div &= ~EAP_WTSRSEL;
1172 		if (play->sample_rate < 8268)
1173 			div |= EAP_WTSRSEL_5;
1174 		else if (play->sample_rate < 16537)
1175 			div |= EAP_WTSRSEL_11;
1176 		else if (play->sample_rate < 33075)
1177 			div |= EAP_WTSRSEL_22;
1178 		else
1179 			div |= EAP_WTSRSEL_44;
1180 
1181 		EWRITE4(sc, EAP_ICSC, div);
1182 		DPRINTFN(2, ("eap_set_params: set ICSC = 0x%08x\n", div));
1183 	}
1184 
1185 	return 0;
1186 }
1187 
1188 static int
1189 eap_round_blocksize(void *addr, int blk, int mode,
1190     const audio_params_t *param)
1191 {
1192 
1193 	return blk & -32;	/* keep good alignment */
1194 }
1195 
1196 static int
1197 eap_trigger_output(
1198 	void *addr,
1199 	void *start,
1200 	void *end,
1201 	int blksize,
1202 	void (*intr)(void *),
1203 	void *arg,
1204 	const audio_params_t *param)
1205 {
1206 	struct eap_instance *ei;
1207 	struct eap_softc *sc;
1208 	struct eap_dma *p;
1209 	uint32_t icsc, sic;
1210 	int sampshift;
1211 
1212 	ei = addr;
1213 	sc = device_private(ei->parent);
1214 #ifdef DIAGNOSTIC
1215 	if (ei->ei_prun)
1216 		panic("eap_trigger_output: already running");
1217 	ei->ei_prun = 1;
1218 #endif
1219 
1220 	DPRINTFN(1, ("eap_trigger_output: sc=%p start=%p end=%p "
1221 	    "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1222 	ei->ei_pintr = intr;
1223 	ei->ei_parg = arg;
1224 
1225 	sic = EREAD4(sc, EAP_SIC);
1226 	sic &= ~(EAP_S_EB(ei->index) | EAP_S_MB(ei->index) | EAP_INC_BITS);
1227 
1228 	if (ei->index == EAP_DAC2)
1229 		sic |= EAP_SET_P2_ST_INC(0)
1230 		    | EAP_SET_P2_END_INC(param->precision / 8);
1231 
1232 	sampshift = 0;
1233 	if (param->precision == 16) {
1234 		sic |= EAP_S_EB(ei->index);
1235 		sampshift++;
1236 	}
1237 	if (param->channels == 2) {
1238 		sic |= EAP_S_MB(ei->index);
1239 		sampshift++;
1240 	}
1241 	EWRITE4(sc, EAP_SIC, sic & ~EAP_P_INTR_EN(ei->index));
1242 	EWRITE4(sc, EAP_SIC, sic | EAP_P_INTR_EN(ei->index));
1243 
1244 	for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1245 		continue;
1246 	if (!p) {
1247 		printf("eap_trigger_output: bad addr %p\n", start);
1248 		return EINVAL;
1249 	}
1250 
1251 	if (ei->index == EAP_DAC2) {
1252 		DPRINTF(("eap_trigger_output: DAC2_ADDR=0x%x, DAC2_SIZE=0x%x\n",
1253 			 (int)DMAADDR(p),
1254 			 (int)EAP_SET_SIZE(0,
1255 			 (((char *)end - (char *)start) >> 2) - 1)));
1256 		EWRITE4(sc, EAP_MEMPAGE, EAP_DAC_PAGE);
1257 		EWRITE4(sc, EAP_DAC2_ADDR, DMAADDR(p));
1258 		EWRITE4(sc, EAP_DAC2_SIZE,
1259 			EAP_SET_SIZE(0,
1260 			((char *)end - (char *)start) >> 2) - 1);
1261 		EWRITE4(sc, EAP_DAC2_CSR, (blksize >> sampshift) - 1);
1262 	} else if (ei->index == EAP_DAC1) {
1263 		DPRINTF(("eap_trigger_output: DAC1_ADDR=0x%x, DAC1_SIZE=0x%x\n",
1264 			 (int)DMAADDR(p),
1265 			 (int)EAP_SET_SIZE(0,
1266 			 (((char *)end - (char *)start) >> 2) - 1)));
1267 		EWRITE4(sc, EAP_MEMPAGE, EAP_DAC_PAGE);
1268 		EWRITE4(sc, EAP_DAC1_ADDR, DMAADDR(p));
1269 		EWRITE4(sc, EAP_DAC1_SIZE,
1270 			EAP_SET_SIZE(0,
1271 			((char *)end - (char *)start) >> 2) - 1);
1272 		EWRITE4(sc, EAP_DAC1_CSR, (blksize >> sampshift) - 1);
1273 	}
1274 #ifdef DIAGNOSTIC
1275 	else
1276 		panic("eap_trigger_output: impossible instance %d", ei->index);
1277 #endif
1278 
1279 	if (sc->sc_1371)
1280 		EWRITE4(sc, E1371_SRC, 0);
1281 
1282 	icsc = EREAD4(sc, EAP_ICSC);
1283 	icsc |= EAP_DAC_EN(ei->index);
1284 	EWRITE4(sc, EAP_ICSC, icsc);
1285 
1286 	DPRINTFN(1, ("eap_trigger_output: set ICSC = 0x%08x\n", icsc));
1287 
1288 	return 0;
1289 }
1290 
1291 static int
1292 eap_trigger_input(
1293 	void *addr,
1294 	void *start,
1295 	void *end,
1296 	int blksize,
1297 	void (*intr)(void *),
1298 	void *arg,
1299 	const audio_params_t *param)
1300 {
1301 	struct eap_instance *ei;
1302 	struct eap_softc *sc;
1303 	struct eap_dma *p;
1304 	uint32_t icsc, sic;
1305 	int sampshift;
1306 
1307 	ei = addr;
1308 	sc = device_private(ei->parent);
1309 #ifdef DIAGNOSTIC
1310 	if (sc->sc_rrun)
1311 		panic("eap_trigger_input: already running");
1312 	sc->sc_rrun = 1;
1313 #endif
1314 
1315 	DPRINTFN(1, ("eap_trigger_input: ei=%p start=%p end=%p blksize=%d intr=%p(%p)\n",
1316 	    addr, start, end, blksize, intr, arg));
1317 	sc->sc_rintr = intr;
1318 	sc->sc_rarg = arg;
1319 
1320 	sic = EREAD4(sc, EAP_SIC);
1321 	sic &= ~(EAP_R1_S_EB | EAP_R1_S_MB);
1322 	sampshift = 0;
1323 	if (param->precision == 16) {
1324 		sic |= EAP_R1_S_EB;
1325 		sampshift++;
1326 	}
1327 	if (param->channels == 2) {
1328 		sic |= EAP_R1_S_MB;
1329 		sampshift++;
1330 	}
1331 	EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
1332 	EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
1333 
1334 	for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1335 		continue;
1336 	if (!p) {
1337 		printf("eap_trigger_input: bad addr %p\n", start);
1338 		return (EINVAL);
1339 	}
1340 
1341 	DPRINTF(("eap_trigger_input: ADC_ADDR=0x%x, ADC_SIZE=0x%x\n",
1342 		 (int)DMAADDR(p),
1343 		 (int)EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1)));
1344 	EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
1345 	EWRITE4(sc, EAP_ADC_ADDR, DMAADDR(p));
1346 	EWRITE4(sc, EAP_ADC_SIZE,
1347 		EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1));
1348 
1349 	EWRITE4(sc, EAP_ADC_CSR, (blksize >> sampshift) - 1);
1350 
1351 	if (sc->sc_1371)
1352 		EWRITE4(sc, E1371_SRC, 0);
1353 
1354 	icsc = EREAD4(sc, EAP_ICSC);
1355 	icsc |= EAP_ADC_EN;
1356 	EWRITE4(sc, EAP_ICSC, icsc);
1357 
1358 	DPRINTFN(1, ("eap_trigger_input: set ICSC = 0x%08x\n", icsc));
1359 
1360 	return 0;
1361 }
1362 
1363 static int
1364 eap_halt_output(void *addr)
1365 {
1366 	struct eap_instance *ei;
1367 	struct eap_softc *sc;
1368 	uint32_t icsc;
1369 
1370 	DPRINTF(("eap: eap_halt_output\n"));
1371 	ei = addr;
1372 	sc = device_private(ei->parent);
1373 	icsc = EREAD4(sc, EAP_ICSC);
1374 	EWRITE4(sc, EAP_ICSC, icsc & ~(EAP_DAC_EN(ei->index)));
1375 	ei->ei_pintr = 0;
1376 #ifdef DIAGNOSTIC
1377 	ei->ei_prun = 0;
1378 #endif
1379 
1380 	return 0;
1381 }
1382 
1383 static int
1384 eap_halt_input(void *addr)
1385 {
1386 	struct eap_instance *ei;
1387 	struct eap_softc *sc;
1388 	uint32_t icsc;
1389 
1390 #define EAP_USE_FMDAC_ALSO
1391 	DPRINTF(("eap: eap_halt_input\n"));
1392 	ei = addr;
1393 	sc = device_private(ei->parent);
1394 	icsc = EREAD4(sc, EAP_ICSC);
1395 	EWRITE4(sc, EAP_ICSC, icsc & ~EAP_ADC_EN);
1396 	sc->sc_rintr = 0;
1397 #ifdef DIAGNOSTIC
1398 	sc->sc_rrun = 0;
1399 #endif
1400 
1401 	return 0;
1402 }
1403 
1404 static int
1405 eap_getdev(void *addr, struct audio_device *retp)
1406 {
1407 
1408 	*retp = eap_device;
1409 	return 0;
1410 }
1411 
1412 static int
1413 eap1371_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1414 {
1415 	struct eap_instance *ei;
1416 	struct eap_softc *sc;
1417 
1418 	ei = addr;
1419 	sc = device_private(ei->parent);
1420 	return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
1421 }
1422 
1423 static int
1424 eap1371_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1425 {
1426 	struct eap_instance *ei;
1427 	struct eap_softc *sc;
1428 
1429 	ei = addr;
1430 	sc = device_private(ei->parent);
1431 	return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
1432 }
1433 
1434 static int
1435 eap1371_query_devinfo(void *addr, mixer_devinfo_t *dip)
1436 {
1437 	struct eap_instance *ei;
1438 	struct eap_softc *sc;
1439 
1440 	ei = addr;
1441 	sc = device_private(ei->parent);
1442 	return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
1443 }
1444 
1445 static void
1446 eap1370_set_mixer(struct eap_softc *sc, int a, int d)
1447 {
1448 	eap1370_write_codec(sc, a, d);
1449 
1450 	sc->sc_port[a] = d;
1451 	DPRINTFN(1, ("eap1370_mixer_set_port port 0x%02x = 0x%02x\n", a, d));
1452 }
1453 
1454 static int
1455 eap1370_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1456 {
1457 	struct eap_instance *ei;
1458 	struct eap_softc *sc;
1459 	int lval, rval, l, r, la, ra;
1460 	int l1, r1, l2, r2, m, o1, o2;
1461 
1462 	ei = addr;
1463 	sc = device_private(ei->parent);
1464 	if (cp->dev == EAP_RECORD_SOURCE) {
1465 		if (cp->type != AUDIO_MIXER_SET)
1466 			return EINVAL;
1467 		m = sc->sc_record_source = cp->un.mask;
1468 		l1 = l2 = r1 = r2 = 0;
1469 		if (m & (1 << EAP_VOICE_VOL))
1470 			l2 |= AK_M_VOICE, r2 |= AK_M_VOICE;
1471 		if (m & (1 << EAP_FM_VOL))
1472 			l1 |= AK_M_FM_L, r1 |= AK_M_FM_R;
1473 		if (m & (1 << EAP_CD_VOL))
1474 			l1 |= AK_M_CD_L, r1 |= AK_M_CD_R;
1475 		if (m & (1 << EAP_LINE_VOL))
1476 			l1 |= AK_M_LINE_L, r1 |= AK_M_LINE_R;
1477 		if (m & (1 << EAP_AUX_VOL))
1478 			l2 |= AK_M2_AUX_L, r2 |= AK_M2_AUX_R;
1479 		if (m & (1 << EAP_MIC_VOL))
1480 			l2 |= AK_M_TMIC, r2 |= AK_M_TMIC;
1481 		eap1370_set_mixer(sc, AK_IN_MIXER1_L, l1);
1482 		eap1370_set_mixer(sc, AK_IN_MIXER1_R, r1);
1483 		eap1370_set_mixer(sc, AK_IN_MIXER2_L, l2);
1484 		eap1370_set_mixer(sc, AK_IN_MIXER2_R, r2);
1485 		return 0;
1486 	}
1487 	if (cp->dev == EAP_INPUT_SOURCE) {
1488 		if (cp->type != AUDIO_MIXER_SET)
1489 			return EINVAL;
1490 		m = sc->sc_input_source = cp->un.mask;
1491 		o1 = o2 = 0;
1492 		if (m & (1 << EAP_VOICE_VOL))
1493 			o2 |= AK_M_VOICE_L | AK_M_VOICE_R;
1494 		if (m & (1 << EAP_FM_VOL))
1495 			o1 |= AK_M_FM_L | AK_M_FM_R;
1496 		if (m & (1 << EAP_CD_VOL))
1497 			o1 |= AK_M_CD_L | AK_M_CD_R;
1498 		if (m & (1 << EAP_LINE_VOL))
1499 			o1 |= AK_M_LINE_L | AK_M_LINE_R;
1500 		if (m & (1 << EAP_AUX_VOL))
1501 			o2 |= AK_M_AUX_L | AK_M_AUX_R;
1502 		if (m & (1 << EAP_MIC_VOL))
1503 			o1 |= AK_M_MIC;
1504 		eap1370_set_mixer(sc, AK_OUT_MIXER1, o1);
1505 		eap1370_set_mixer(sc, AK_OUT_MIXER2, o2);
1506 		return 0;
1507 	}
1508 	if (cp->dev == EAP_MIC_PREAMP) {
1509 		if (cp->type != AUDIO_MIXER_ENUM)
1510 			return EINVAL;
1511 		if (cp->un.ord != 0 && cp->un.ord != 1)
1512 			return EINVAL;
1513 		sc->sc_mic_preamp = cp->un.ord;
1514 		eap1370_set_mixer(sc, AK_MGAIN, cp->un.ord);
1515 		return 0;
1516 	}
1517 	if (cp->type != AUDIO_MIXER_VALUE)
1518 		return EINVAL;
1519 	if (cp->un.value.num_channels == 1)
1520 		lval = rval = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
1521 	else if (cp->un.value.num_channels == 2) {
1522 		lval = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
1523 		rval = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
1524 	} else
1525 		return EINVAL;
1526 	ra = -1;
1527 	switch (cp->dev) {
1528 	case EAP_MASTER_VOL:
1529 		l = VOL_TO_ATT5(lval);
1530 		r = VOL_TO_ATT5(rval);
1531 		la = AK_MASTER_L;
1532 		ra = AK_MASTER_R;
1533 		break;
1534 	case EAP_MIC_VOL:
1535 		if (cp->un.value.num_channels != 1)
1536 			return EINVAL;
1537 		la = AK_MIC;
1538 		goto lr;
1539 	case EAP_VOICE_VOL:
1540 		la = AK_VOICE_L;
1541 		ra = AK_VOICE_R;
1542 		goto lr;
1543 	case EAP_FM_VOL:
1544 		la = AK_FM_L;
1545 		ra = AK_FM_R;
1546 		goto lr;
1547 	case EAP_CD_VOL:
1548 		la = AK_CD_L;
1549 		ra = AK_CD_R;
1550 		goto lr;
1551 	case EAP_LINE_VOL:
1552 		la = AK_LINE_L;
1553 		ra = AK_LINE_R;
1554 		goto lr;
1555 	case EAP_AUX_VOL:
1556 		la = AK_AUX_L;
1557 		ra = AK_AUX_R;
1558 	lr:
1559 		l = VOL_TO_GAIN5(lval);
1560 		r = VOL_TO_GAIN5(rval);
1561 		break;
1562 	default:
1563 		return EINVAL;
1564 	}
1565 	eap1370_set_mixer(sc, la, l);
1566 	if (ra >= 0) {
1567 		eap1370_set_mixer(sc, ra, r);
1568 	}
1569 	return 0;
1570 }
1571 
1572 static int
1573 eap1370_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1574 {
1575 	struct eap_instance *ei;
1576 	struct eap_softc *sc;
1577 	int la, ra, l, r;
1578 
1579 	ei = addr;
1580 	sc = device_private(ei->parent);
1581 	switch (cp->dev) {
1582 	case EAP_RECORD_SOURCE:
1583 		if (cp->type != AUDIO_MIXER_SET)
1584 			return EINVAL;
1585 		cp->un.mask = sc->sc_record_source;
1586 		return 0;
1587 	case EAP_INPUT_SOURCE:
1588 		if (cp->type != AUDIO_MIXER_SET)
1589 			return EINVAL;
1590 		cp->un.mask = sc->sc_input_source;
1591 		return 0;
1592 	case EAP_MIC_PREAMP:
1593 		if (cp->type != AUDIO_MIXER_ENUM)
1594 			return EINVAL;
1595 		cp->un.ord = sc->sc_mic_preamp;
1596 		return 0;
1597 	case EAP_MASTER_VOL:
1598 		l = ATT5_TO_VOL(sc->sc_port[AK_MASTER_L]);
1599 		r = ATT5_TO_VOL(sc->sc_port[AK_MASTER_R]);
1600 		break;
1601 	case EAP_MIC_VOL:
1602 		if (cp->un.value.num_channels != 1)
1603 			return EINVAL;
1604 		la = ra = AK_MIC;
1605 		goto lr;
1606 	case EAP_VOICE_VOL:
1607 		la = AK_VOICE_L;
1608 		ra = AK_VOICE_R;
1609 		goto lr;
1610 	case EAP_FM_VOL:
1611 		la = AK_FM_L;
1612 		ra = AK_FM_R;
1613 		goto lr;
1614 	case EAP_CD_VOL:
1615 		la = AK_CD_L;
1616 		ra = AK_CD_R;
1617 		goto lr;
1618 	case EAP_LINE_VOL:
1619 		la = AK_LINE_L;
1620 		ra = AK_LINE_R;
1621 		goto lr;
1622 	case EAP_AUX_VOL:
1623 		la = AK_AUX_L;
1624 		ra = AK_AUX_R;
1625 	lr:
1626 		l = GAIN5_TO_VOL(sc->sc_port[la]);
1627 		r = GAIN5_TO_VOL(sc->sc_port[ra]);
1628 		break;
1629 	default:
1630 		return EINVAL;
1631 	}
1632 	if (cp->un.value.num_channels == 1)
1633 		cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = (l+r) / 2;
1634 	else if (cp->un.value.num_channels == 2) {
1635 		cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]  = l;
1636 		cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
1637 	} else
1638 		return EINVAL;
1639 	return 0;
1640 }
1641 
1642 static int
1643 eap1370_query_devinfo(void *addr, mixer_devinfo_t *dip)
1644 {
1645 
1646 	switch (dip->index) {
1647 	case EAP_MASTER_VOL:
1648 		dip->type = AUDIO_MIXER_VALUE;
1649 		dip->mixer_class = EAP_OUTPUT_CLASS;
1650 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1651 		strcpy(dip->label.name, AudioNmaster);
1652 		dip->un.v.num_channels = 2;
1653 		dip->un.v.delta = 8;
1654 		strcpy(dip->un.v.units.name, AudioNvolume);
1655 		return 0;
1656 	case EAP_VOICE_VOL:
1657 		dip->type = AUDIO_MIXER_VALUE;
1658 		dip->mixer_class = EAP_INPUT_CLASS;
1659 		dip->prev = AUDIO_MIXER_LAST;
1660 		dip->next = AUDIO_MIXER_LAST;
1661 		strcpy(dip->label.name, AudioNdac);
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_FM_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, AudioNfmsynth);
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_CD_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, AudioNcd);
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_LINE_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, AudioNline);
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_AUX_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, AudioNaux);
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_MIC_VOL:
1707 		dip->type = AUDIO_MIXER_VALUE;
1708 		dip->mixer_class = EAP_INPUT_CLASS;
1709 		dip->prev = AUDIO_MIXER_LAST;
1710 		dip->next = EAP_MIC_PREAMP;
1711 		strcpy(dip->label.name, AudioNmicrophone);
1712 		dip->un.v.num_channels = 1;
1713 		dip->un.v.delta = 8;
1714 		strcpy(dip->un.v.units.name, AudioNvolume);
1715 		return 0;
1716 	case EAP_RECORD_SOURCE:
1717 		dip->mixer_class = EAP_RECORD_CLASS;
1718 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1719 		strcpy(dip->label.name, AudioNsource);
1720 		dip->type = AUDIO_MIXER_SET;
1721 		dip->un.s.num_mem = 6;
1722 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1723 		dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1724 		strcpy(dip->un.s.member[1].label.name, AudioNcd);
1725 		dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1726 		strcpy(dip->un.s.member[2].label.name, AudioNline);
1727 		dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1728 		strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1729 		dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1730 		strcpy(dip->un.s.member[4].label.name, AudioNaux);
1731 		dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1732 		strcpy(dip->un.s.member[5].label.name, AudioNdac);
1733 		dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1734 		return 0;
1735 	case EAP_INPUT_SOURCE:
1736 		dip->mixer_class = EAP_INPUT_CLASS;
1737 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1738 		strcpy(dip->label.name, AudioNsource);
1739 		dip->type = AUDIO_MIXER_SET;
1740 		dip->un.s.num_mem = 6;
1741 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1742 		dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1743 		strcpy(dip->un.s.member[1].label.name, AudioNcd);
1744 		dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1745 		strcpy(dip->un.s.member[2].label.name, AudioNline);
1746 		dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1747 		strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1748 		dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1749 		strcpy(dip->un.s.member[4].label.name, AudioNaux);
1750 		dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1751 		strcpy(dip->un.s.member[5].label.name, AudioNdac);
1752 		dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1753 		return 0;
1754 	case EAP_MIC_PREAMP:
1755 		dip->type = AUDIO_MIXER_ENUM;
1756 		dip->mixer_class = EAP_INPUT_CLASS;
1757 		dip->prev = EAP_MIC_VOL;
1758 		dip->next = AUDIO_MIXER_LAST;
1759 		strcpy(dip->label.name, AudioNpreamp);
1760 		dip->un.e.num_mem = 2;
1761 		strcpy(dip->un.e.member[0].label.name, AudioNoff);
1762 		dip->un.e.member[0].ord = 0;
1763 		strcpy(dip->un.e.member[1].label.name, AudioNon);
1764 		dip->un.e.member[1].ord = 1;
1765 		return 0;
1766 	case EAP_OUTPUT_CLASS:
1767 		dip->type = AUDIO_MIXER_CLASS;
1768 		dip->mixer_class = EAP_OUTPUT_CLASS;
1769 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1770 		strcpy(dip->label.name, AudioCoutputs);
1771 		return 0;
1772 	case EAP_RECORD_CLASS:
1773 		dip->type = AUDIO_MIXER_CLASS;
1774 		dip->mixer_class = EAP_RECORD_CLASS;
1775 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1776 		strcpy(dip->label.name, AudioCrecord);
1777 		return 0;
1778 	case EAP_INPUT_CLASS:
1779 		dip->type = AUDIO_MIXER_CLASS;
1780 		dip->mixer_class = EAP_INPUT_CLASS;
1781 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1782 		strcpy(dip->label.name, AudioCinputs);
1783 		return 0;
1784 	}
1785 	return ENXIO;
1786 }
1787 
1788 static void *
1789 eap_malloc(void *addr, int direction, size_t size,
1790     struct malloc_type *pool, int flags)
1791 {
1792 	struct eap_instance *ei;
1793 	struct eap_softc *sc;
1794 	struct eap_dma *p;
1795 	int error;
1796 
1797 	p = malloc(sizeof(*p), pool, flags);
1798 	if (!p)
1799 		return NULL;
1800 	ei = addr;
1801 	sc = device_private(ei->parent);
1802 	error = eap_allocmem(sc, size, 16, p);
1803 	if (error) {
1804 		free(p, pool);
1805 		return NULL;
1806 	}
1807 	p->next = sc->sc_dmas;
1808 	sc->sc_dmas = p;
1809 	return KERNADDR(p);
1810 }
1811 
1812 static void
1813 eap_free(void *addr, void *ptr, struct malloc_type *pool)
1814 {
1815 	struct eap_instance *ei;
1816 	struct eap_softc *sc;
1817 	struct eap_dma **pp, *p;
1818 
1819 	ei = addr;
1820 	sc = device_private(ei->parent);
1821 	for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1822 		if (KERNADDR(p) == ptr) {
1823 			eap_freemem(sc, p);
1824 			*pp = p->next;
1825 			free(p, pool);
1826 			return;
1827 		}
1828 	}
1829 }
1830 
1831 static size_t
1832 eap_round_buffersize(void *addr, int direction, size_t size)
1833 {
1834 
1835 	return size;
1836 }
1837 
1838 static paddr_t
1839 eap_mappage(void *addr, void *mem, off_t off, int prot)
1840 {
1841 	struct eap_instance *ei;
1842 	struct eap_softc *sc;
1843 	struct eap_dma *p;
1844 
1845 	if (off < 0)
1846 		return -1;
1847 	ei = addr;
1848 	sc = device_private(ei->parent);
1849 	for (p = sc->sc_dmas; p && KERNADDR(p) != mem; p = p->next)
1850 		continue;
1851 	if (!p)
1852 		return -1;
1853 	return bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
1854 			       off, prot, BUS_DMA_WAITOK);
1855 }
1856 
1857 static int
1858 eap_get_props(void *addr)
1859 {
1860 
1861 	return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
1862 	    AUDIO_PROP_FULLDUPLEX;
1863 }
1864 
1865 #if NMIDI > 0
1866 static int
1867 eap_midi_open(void *addr, int flags,
1868 	      void (*iintr)(void *, int),
1869 	      void (*ointr)(void *),
1870 	      void *arg)
1871 {
1872 	struct eap_softc *sc;
1873 	uint8_t uctrl;
1874 
1875 	sc = addr;
1876 	sc->sc_arg = arg;
1877 
1878 	EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) | EAP_UART_EN);
1879 	uctrl = 0;
1880 	if (flags & FREAD) {
1881 		uctrl |= EAP_UC_RXINTEN;
1882 		sc->sc_iintr = iintr;
1883 	}
1884 	if (flags & FWRITE)
1885 		sc->sc_ointr = ointr;
1886 	EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1887 
1888 	return 0;
1889 }
1890 
1891 static void
1892 eap_midi_close(void *addr)
1893 {
1894 	struct eap_softc *sc;
1895 
1896 	sc = addr;
1897 	tsleep(sc, PWAIT, "eapclm", hz/10); /* give uart a chance to drain */
1898 	EWRITE1(sc, EAP_UART_CONTROL, 0);
1899 	EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) & ~EAP_UART_EN);
1900 
1901 	sc->sc_iintr = 0;
1902 	sc->sc_ointr = 0;
1903 }
1904 
1905 static int
1906 eap_midi_output(void *addr, int d)
1907 {
1908 	struct eap_softc *sc;
1909 	uint8_t uctrl;
1910 
1911 	sc = addr;
1912 	EWRITE1(sc, EAP_UART_DATA, d);
1913 
1914 	uctrl = EAP_UC_TXINTEN;
1915 	if (sc->sc_iintr)
1916 		uctrl |= EAP_UC_RXINTEN;
1917 	/*
1918 	 * This is a write-only register, so we have to remember the right
1919 	 * value of RXINTEN as well as setting TXINTEN. But if we are open
1920 	 * for reading, it will always be correct to set RXINTEN here; only
1921 	 * during service of a receive interrupt could it be momentarily
1922 	 * toggled off, and whether we got here from the top half or from
1923 	 * an interrupt, that won't be the current state.
1924 	 */
1925 	EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1926 	return 0;
1927 }
1928 
1929 static void
1930 eap_midi_getinfo(void *addr, struct midi_info *mi)
1931 {
1932 	mi->name = "AudioPCI MIDI UART";
1933 	mi->props = MIDI_PROP_CAN_INPUT | MIDI_PROP_OUT_INTR;
1934 }
1935 
1936 static void
1937 eap_uart_txrdy(struct eap_softc *sc)
1938 {
1939 	uint8_t uctrl;
1940 	uctrl = 0;
1941 	if (sc->sc_iintr)
1942 		uctrl = EAP_UC_RXINTEN;
1943 	EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1944 	sc->sc_ointr(sc->sc_arg);
1945 }
1946 
1947 #endif
1948