xref: /netbsd-src/sys/dev/pci/eap.c (revision 4b896b232495b7a9b8b94a1cf1e21873296d53b8)
1 /*	$NetBSD: eap.c,v 1.68 2004/04/23 21:13:06 itojun Exp $	*/
2 /*      $OpenBSD: eap.c,v 1.6 1999/10/05 19:24:42 csapuntz Exp $ */
3 
4 /*
5  * Copyright (c) 1998, 1999, 2002 The NetBSD Foundation, Inc.
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to The NetBSD Foundation
9  * by Lennart Augustsson <augustss@NetBSD.org>, Charles M. Hannum, and
10  * Antti Kantee <pooka@NetBSD.org>.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. All advertising materials mentioning features or use of this software
21  *    must display the following acknowledgement:
22  *        This product includes software developed by the NetBSD
23  *        Foundation, Inc. and its contributors.
24  * 4. Neither the name of The NetBSD Foundation nor the names of its
25  *    contributors may be used to endorse or promote products derived
26  *    from this software without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38  * POSSIBILITY OF SUCH DAMAGE.
39  */
40 
41 /*
42  * Debugging:   Andreas Gustafsson <gson@araneus.fi>
43  * Testing:     Chuck Cranor       <chuck@maria.wustl.edu>
44  *              Phil Nelson        <phil@cs.wwu.edu>
45  *
46  * ES1371/AC97:	Ezra Story         <ezy@panix.com>
47  */
48 
49 /*
50  * Ensoniq ES1370 + AK4531 and ES1371/ES1373 + AC97
51  *
52  * Documentation links:
53  *
54  * ftp://ftp.alsa-project.org/pub/manuals/ensoniq/
55  * ftp://ftp.alsa-project.org/pub/manuals/asahi_kasei/4531.pdf
56  * ftp://download.intel.com/ial/scalableplatforms/audio/ac97r21.pdf
57  */
58 
59 #include <sys/cdefs.h>
60 __KERNEL_RCSID(0, "$NetBSD: eap.c,v 1.68 2004/04/23 21:13:06 itojun Exp $");
61 
62 #include "midi.h"
63 
64 #include <sys/param.h>
65 #include <sys/systm.h>
66 #include <sys/kernel.h>
67 #include <sys/fcntl.h>
68 #include <sys/malloc.h>
69 #include <sys/device.h>
70 #include <sys/proc.h>
71 #include <sys/select.h>
72 
73 #include <dev/pci/pcidevs.h>
74 #include <dev/pci/pcivar.h>
75 
76 #include <sys/audioio.h>
77 #include <dev/audio_if.h>
78 #include <dev/midi_if.h>
79 #include <dev/audiovar.h>
80 #include <dev/mulaw.h>
81 #include <dev/auconv.h>
82 #include <dev/ic/ac97var.h>
83 
84 #include <machine/bus.h>
85 
86 #include <dev/pci/eapreg.h>
87 
88 #define	PCI_CBIO		0x10
89 
90 /* Debug */
91 #ifdef AUDIO_DEBUG
92 #define DPRINTF(x)	if (eapdebug) printf x
93 #define DPRINTFN(n,x)	if (eapdebug>(n)) printf x
94 int	eapdebug = 0;
95 #else
96 #define DPRINTF(x)
97 #define DPRINTFN(n,x)
98 #endif
99 
100 int	eap_match(struct device *, struct cfdata *, void *);
101 void	eap_attach(struct device *, struct device *, void *);
102 int	eap_detach(struct device *, int);
103 int	eap_intr(void *);
104 
105 struct eap_dma {
106 	bus_dmamap_t map;
107 	caddr_t addr;
108 	bus_dma_segment_t segs[1];
109 	int nsegs;
110 	size_t size;
111 	struct eap_dma *next;
112 };
113 
114 #define DMAADDR(p) ((p)->map->dm_segs[0].ds_addr)
115 #define KERNADDR(p) ((void *)((p)->addr))
116 
117 /*
118  * The card has two DACs. Using them is a bit twisted: we use DAC2
119  * as default and DAC1 as the optional secondary DAC.
120  */
121 #define EAP_DAC1 1
122 #define EAP_DAC2 0
123 #define EAP_I1 EAP_DAC2
124 #define EAP_I2 EAP_DAC1
125 struct eap_instance {
126 	struct device *parent;
127 	int index;
128 
129 	void	(*ei_pintr)(void *);	/* DMA completion intr handler */
130 	void	*ei_parg;		/* arg for ei_intr() */
131 	struct device *ei_audiodev;		/* audio device, for detach */
132 #ifdef DIAGNOSTIC
133 	char	ei_prun;
134 #endif
135 };
136 
137 struct eap_softc {
138 	struct device sc_dev;		/* base device */
139 	void *sc_ih;			/* interrupt vectoring */
140 	bus_space_tag_t iot;
141 	bus_space_handle_t ioh;
142 	bus_size_t iosz;
143 	bus_dma_tag_t sc_dmatag;	/* DMA tag */
144 
145 	struct eap_dma *sc_dmas;
146 
147 	void	(*sc_rintr)(void *);	/* DMA completion intr handler */
148 	void	*sc_rarg;		/* arg for sc_intr() */
149 #ifdef DIAGNOSTIC
150 	char	sc_rrun;
151 #endif
152 
153 #if NMIDI > 0
154 	void	(*sc_iintr)(void *, int); /* midi input ready handler */
155 	void	(*sc_ointr)(void *);	/* midi output ready handler */
156 	void	*sc_arg;
157 	struct device *sc_mididev;
158 #endif
159 
160 	u_short	sc_port[AK_NPORTS];	/* mirror of the hardware setting */
161 	u_int	sc_record_source;	/* recording source mask */
162 	u_int	sc_output_source;	/* output source mask */
163 	u_int	sc_mic_preamp;
164 	char    sc_1371;		/* Using ES1371/AC97 codec */
165 
166 	struct ac97_codec_if *codec_if;
167 	struct ac97_host_if host_if;
168 
169 	struct eap_instance sc_ei[2];
170 
171 	pci_chipset_tag_t sc_pc;	/* For detach */
172 };
173 
174 int	eap_allocmem(struct eap_softc *, size_t, size_t, struct eap_dma *);
175 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(eap, sizeof(struct eap_softc),
185     eap_match, eap_attach, eap_detach, NULL);
186 
187 int	eap_open(void *, int);
188 void	eap_close(void *);
189 int	eap_query_encoding(void *, struct audio_encoding *);
190 int	eap_set_params(void *, int, int, struct audio_params *, struct audio_params *);
191 int	eap_round_blocksize(void *, int);
192 int	eap_trigger_output(void *, void *, void *, int, void (*)(void *),
193 	    void *, struct audio_params *);
194 int	eap_trigger_input(void *, void *, void *, int, void (*)(void *),
195 	    void *, struct audio_params *);
196 int	eap_halt_output(void *);
197 int	eap_halt_input(void *);
198 void    eap1370_write_codec(struct eap_softc *, int, int);
199 int	eap_getdev(void *, struct audio_device *);
200 int	eap1370_mixer_set_port(void *, mixer_ctrl_t *);
201 int	eap1370_mixer_get_port(void *, mixer_ctrl_t *);
202 int	eap1371_mixer_set_port(void *, mixer_ctrl_t *);
203 int	eap1371_mixer_get_port(void *, mixer_ctrl_t *);
204 int	eap1370_query_devinfo(void *, mixer_devinfo_t *);
205 void   *eap_malloc(void *, int, size_t, struct malloc_type *, int);
206 void	eap_free(void *, void *, struct malloc_type *);
207 size_t	eap_round_buffersize(void *, int, size_t);
208 paddr_t	eap_mappage(void *, void *, off_t, int);
209 int	eap_get_props(void *);
210 void	eap1370_set_mixer(struct eap_softc *sc, int a, int d);
211 u_int32_t eap1371_src_wait(struct eap_softc *sc);
212 void 	eap1371_set_adc_rate(struct eap_softc *sc, int rate);
213 void 	eap1371_set_dac_rate(struct eap_instance *ei, int rate);
214 int	eap1371_src_read(struct eap_softc *sc, int a);
215 void	eap1371_src_write(struct eap_softc *sc, int a, int d);
216 int	eap1371_query_devinfo(void *addr, mixer_devinfo_t *dip);
217 
218 int     eap1371_attach_codec(void *sc, struct ac97_codec_if *);
219 int	eap1371_read_codec(void *sc, u_int8_t a, u_int16_t *d);
220 int	eap1371_write_codec(void *sc, u_int8_t a, u_int16_t d);
221 void    eap1371_reset_codec(void *sc);
222 int     eap1371_get_portnum_by_name(struct eap_softc *, char *, char *,
223 					 char *);
224 #if NMIDI > 0
225 void	eap_midi_close(void *);
226 void	eap_midi_getinfo(void *, struct midi_info *);
227 int	eap_midi_open(void *, int, void (*)(void *, int),
228 			   void (*)(void *), void *);
229 int	eap_midi_output(void *, int);
230 #endif
231 
232 struct audio_hw_if eap1370_hw_if = {
233 	eap_open,
234 	eap_close,
235 	NULL,
236 	eap_query_encoding,
237 	eap_set_params,
238 	eap_round_blocksize,
239 	NULL,
240 	NULL,
241 	NULL,
242 	NULL,
243 	NULL,
244 	eap_halt_output,
245 	eap_halt_input,
246 	NULL,
247 	eap_getdev,
248 	NULL,
249 	eap1370_mixer_set_port,
250 	eap1370_mixer_get_port,
251 	eap1370_query_devinfo,
252 	eap_malloc,
253 	eap_free,
254 	eap_round_buffersize,
255 	eap_mappage,
256 	eap_get_props,
257 	eap_trigger_output,
258 	eap_trigger_input,
259 	NULL,
260 };
261 
262 struct audio_hw_if eap1371_hw_if = {
263 	eap_open,
264 	eap_close,
265 	NULL,
266 	eap_query_encoding,
267 	eap_set_params,
268 	eap_round_blocksize,
269 	NULL,
270 	NULL,
271 	NULL,
272 	NULL,
273 	NULL,
274 	eap_halt_output,
275 	eap_halt_input,
276 	NULL,
277 	eap_getdev,
278 	NULL,
279 	eap1371_mixer_set_port,
280 	eap1371_mixer_get_port,
281 	eap1371_query_devinfo,
282 	eap_malloc,
283 	eap_free,
284 	eap_round_buffersize,
285 	eap_mappage,
286 	eap_get_props,
287 	eap_trigger_output,
288 	eap_trigger_input,
289 	NULL,
290 };
291 
292 #if NMIDI > 0
293 struct midi_hw_if eap_midi_hw_if = {
294 	eap_midi_open,
295 	eap_midi_close,
296 	eap_midi_output,
297 	eap_midi_getinfo,
298 	0,				/* ioctl */
299 };
300 #endif
301 
302 struct audio_device eap_device = {
303 	"Ensoniq AudioPCI",
304 	"",
305 	"eap"
306 };
307 
308 int
309 eap_match(struct device *parent, struct cfdata *match, void *aux)
310 {
311 	struct pci_attach_args *pa = (struct pci_attach_args *) aux;
312 
313 	switch (PCI_VENDOR(pa->pa_id)) {
314 	case PCI_VENDOR_CREATIVELABS:
315 		switch (PCI_PRODUCT(pa->pa_id)) {
316 		case PCI_PRODUCT_CREATIVELABS_EV1938:
317 			return (1);
318 		}
319 		break;
320 	case PCI_VENDOR_ENSONIQ:
321 		switch (PCI_PRODUCT(pa->pa_id)) {
322 		case PCI_PRODUCT_ENSONIQ_AUDIOPCI:
323 		case PCI_PRODUCT_ENSONIQ_AUDIOPCI97:
324 		case PCI_PRODUCT_ENSONIQ_CT5880:
325 			return (1);
326 		}
327 		break;
328 	}
329 
330 	return (0);
331 }
332 
333 void
334 eap1370_write_codec(struct eap_softc *sc, int a, int d)
335 {
336 	int icss, to;
337 
338 	to = EAP_WRITE_TIMEOUT;
339 	do {
340 		icss = EREAD4(sc, EAP_ICSS);
341 		DPRINTFN(5,("eap: codec %d prog: icss=0x%08x\n", a, icss));
342 		if (!to--) {
343 			printf("eap: timeout writing to codec\n");
344 			return;
345 		}
346 	} while(icss & EAP_CWRIP);  /* XXX could use CSTAT here */
347 	EWRITE4(sc, EAP_CODEC, EAP_SET_CODEC(a, d));
348 }
349 
350 /*
351  * Reading and writing the CODEC is very convoluted.  This mimics the
352  * FreeBSD and Linux drivers.
353  */
354 
355 static __inline void
356 eap1371_ready_codec(struct eap_softc *sc, u_int8_t a, u_int32_t wd)
357 {
358 	int to, s;
359 	u_int32_t src, t;
360 
361 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
362 		if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
363 			break;
364 		delay(1);
365 	}
366 	if (to >= EAP_WRITE_TIMEOUT)
367 		printf("%s: eap1371_ready_codec timeout 1\n",
368 		       sc->sc_dev.dv_xname);
369 
370 	s = splaudio();
371 	src = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
372 	EWRITE4(sc, E1371_SRC, src | E1371_SRC_STATE_OK);
373 
374 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
375 		t = EREAD4(sc, E1371_SRC);
376 		if ((t & E1371_SRC_STATE_MASK) == 0)
377 			break;
378 		delay(1);
379 	}
380 	if (to >= EAP_READ_TIMEOUT)
381 		printf("%s: eap1371_ready_codec timeout 2\n",
382 		       sc->sc_dev.dv_xname);
383 
384 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
385 		t = EREAD4(sc, E1371_SRC);
386 		if ((t & E1371_SRC_STATE_MASK) == E1371_SRC_STATE_OK)
387 			break;
388 		delay(1);
389 	}
390 	if (to >= EAP_READ_TIMEOUT)
391 		printf("%s: eap1371_ready_codec timeout 3\n",
392 		       sc->sc_dev.dv_xname);
393 
394 	EWRITE4(sc, E1371_CODEC, wd);
395 
396 	eap1371_src_wait(sc);
397 	EWRITE4(sc, E1371_SRC, src);
398 
399 	splx(s);
400 }
401 
402 int
403 eap1371_read_codec(void *sc_, u_int8_t a, u_int16_t *d)
404 {
405 	struct eap_softc *sc = sc_;
406 	int to;
407 	u_int32_t t;
408 
409 	eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, 0) | E1371_CODEC_READ);
410 
411 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
412 		if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
413 			break;
414 	}
415 	if (to > EAP_WRITE_TIMEOUT)
416 		printf("%s: eap1371_read_codec timeout 1\n",
417 		       sc->sc_dev.dv_xname);
418 
419 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
420 		t = EREAD4(sc, E1371_CODEC);
421 		if (t & E1371_CODEC_VALID)
422 			break;
423 	}
424 	if (to > EAP_WRITE_TIMEOUT)
425 		printf("%s: eap1371_read_codec timeout 2\n",
426 		       sc->sc_dev.dv_xname);
427 
428 	*d = (u_int16_t)t;
429 
430 	DPRINTFN(10, ("eap1371: reading codec (%x) = %x\n", a, *d));
431 
432 	return (0);
433 }
434 
435 int
436 eap1371_write_codec(void *sc_, u_int8_t a, u_int16_t d)
437 {
438 	struct eap_softc *sc = sc_;
439 
440 	eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, d));
441 
442         DPRINTFN(10, ("eap1371: writing codec %x --> %x\n", d, a));
443 
444 	return (0);
445 }
446 
447 u_int32_t
448 eap1371_src_wait(struct eap_softc *sc)
449 {
450 	int to;
451 	u_int32_t src;
452 
453 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
454 		src = EREAD4(sc, E1371_SRC);
455 		if (!(src & E1371_SRC_RBUSY))
456 			return (src);
457 		delay(1);
458 	}
459 	printf("%s: eap1371_src_wait timeout\n", sc->sc_dev.dv_xname);
460 	return (src);
461 }
462 
463 int
464 eap1371_src_read(struct eap_softc *sc, int a)
465 {
466 	int to;
467 	u_int32_t src, t;
468 
469 	src = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
470 	src |= E1371_SRC_ADDR(a);
471 	EWRITE4(sc, E1371_SRC, src | E1371_SRC_STATE_OK);
472 
473 	t = eap1371_src_wait(sc);
474 	if ((t & E1371_SRC_STATE_MASK) != E1371_SRC_STATE_OK) {
475 		for (to = 0; to < EAP_READ_TIMEOUT; to++) {
476 			t = EREAD4(sc, E1371_SRC);
477 			if ((t & E1371_SRC_STATE_MASK) == E1371_SRC_STATE_OK)
478 				break;
479 			delay(1);
480 		}
481 	}
482 
483 	EWRITE4(sc, E1371_SRC, src);
484 
485 	return t & E1371_SRC_DATAMASK;
486 }
487 
488 void
489 eap1371_src_write(struct eap_softc *sc, int a, int d)
490 {
491 	u_int32_t r;
492 
493 	r = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
494 	r |= E1371_SRC_RAMWE | E1371_SRC_ADDR(a) | E1371_SRC_DATA(d);
495 	EWRITE4(sc, E1371_SRC, r);
496 }
497 
498 void
499 eap1371_set_adc_rate(struct eap_softc *sc, int rate)
500 {
501 	int freq, n, truncm;
502 	int out;
503 	int s;
504 
505 	/* Whatever, it works, so I'll leave it :) */
506 
507 	if (rate > 48000)
508 		rate = 48000;
509 	if (rate < 4000)
510 		rate = 4000;
511 	n = rate / 3000;
512 	if ((1 << n) & SRC_MAGIC)
513 		n--;
514 	truncm = ((21 * n) - 1) | 1;
515 	freq = ((48000 << 15) / rate) * n;
516 	if (rate >= 24000) {
517 		if (truncm > 239)
518 			truncm = 239;
519 		out = ESRC_SET_TRUNC((239 - truncm) / 2);
520 	} else {
521 		if (truncm > 119)
522 			truncm = 119;
523 		out = ESRC_SMF | ESRC_SET_TRUNC((119 - truncm) / 2);
524 	}
525  	out |= ESRC_SET_N(n);
526 	s = splaudio();
527 	eap1371_src_write(sc, ESRC_ADC+ESRC_TRUNC_N, out);
528 
529 
530 	out = eap1371_src_read(sc, ESRC_ADC+ESRC_IREGS) & 0xff;
531 	eap1371_src_write(sc, ESRC_ADC+ESRC_IREGS, out |
532 			  ESRC_SET_VFI(freq >> 15));
533 	eap1371_src_write(sc, ESRC_ADC+ESRC_VFF, freq & 0x7fff);
534 	eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(n));
535 	eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(n));
536 	splx(s);
537 }
538 
539 void
540 eap1371_set_dac_rate(struct eap_instance *ei, int rate)
541 {
542 	struct eap_softc *sc = (struct eap_softc *)ei->parent;
543 	int dac = ei->index == EAP_DAC1 ? ESRC_DAC1 : ESRC_DAC2;
544 	int freq, r;
545 	int s;
546 
547 	DPRINTFN(2, ("eap1371_set_dac_date: set rate for %d\n", ei->index));
548 
549 	/* Whatever, it works, so I'll leave it :) */
550 
551 	if (rate > 48000)
552 	    rate = 48000;
553 	if (rate < 4000)
554 	    rate = 4000;
555 	freq = ((rate << 15) + 1500) / 3000;
556 
557 	s = splaudio();
558 	eap1371_src_wait(sc);
559 	r = EREAD4(sc, E1371_SRC) & (E1371_SRC_DISABLE |
560 	    E1371_SRC_DISP2 | E1371_SRC_DISP1 | E1371_SRC_DISREC);
561 	r |= ei->index == EAP_DAC1 ? E1371_SRC_DISP1 : E1371_SRC_DISP2;
562 	EWRITE4(sc, E1371_SRC, r);
563 	r = eap1371_src_read(sc, dac + ESRC_IREGS) & 0x00ff;
564 	eap1371_src_write(sc, dac + ESRC_IREGS, r | ((freq >> 5) & 0xfc00));
565 	eap1371_src_write(sc, dac + ESRC_VFF, freq & 0x7fff);
566 	r = EREAD4(sc, E1371_SRC) & (E1371_SRC_DISABLE |
567 	    E1371_SRC_DISP2 | E1371_SRC_DISP1 | E1371_SRC_DISREC);
568 	r &= ~(ei->index == EAP_DAC1 ? E1371_SRC_DISP1 : E1371_SRC_DISP2);
569 	EWRITE4(sc, E1371_SRC, r);
570 	splx(s);
571 }
572 
573 void
574 eap_attach(struct device *parent, struct device *self, void *aux)
575 {
576 	struct eap_softc *sc = (struct eap_softc *)self;
577 	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
578 	pci_chipset_tag_t pc = pa->pa_pc;
579 	struct audio_hw_if *eap_hw_if;
580 	char const *intrstr;
581 	pci_intr_handle_t ih;
582 	pcireg_t csr;
583 	char devinfo[256];
584 	mixer_ctrl_t ctl;
585 	int i;
586 	int revision, ct5880;
587 	const char *revstr = "";
588 
589 	aprint_naive(": Audio controller\n");
590 
591 	/* Stash this away for detach */
592 	sc->sc_pc = pc;
593 
594 	/* Flag if we're "creative" */
595 	sc->sc_1371 = !(PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
596 			PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_AUDIOPCI);
597 
598 	/*
599 	 * The vendor and product ID's are quite "interesting". Just
600 	 * trust the following and be happy.
601 	 */
602 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
603 	revision = PCI_REVISION(pa->pa_class);
604 	ct5880 = 0;
605 	if (sc->sc_1371) {
606 		if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
607 		    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_CT5880) {
608 			ct5880 = 1;
609 			switch (revision) {
610 			case EAP_CT5880_C: revstr = "CT5880-C "; break;
611 			case EAP_CT5880_D: revstr = "CT5880-D "; break;
612 			case EAP_CT5880_E: revstr = "CT5880-E "; break;
613 			}
614 		} else {
615 			switch (revision) {
616 			case EAP_EV1938_A: revstr = "EV1938-A "; break;
617 			case EAP_ES1373_A: revstr = "ES1373-A "; break;
618 			case EAP_ES1373_B: revstr = "ES1373-B "; break;
619 			case EAP_CT5880_A: revstr = "CT5880-A "; ct5880=1;break;
620 			case EAP_ES1373_8: revstr = "ES1373-8" ; ct5880=1;break;
621 			case EAP_ES1371_B: revstr = "ES1371-B "; break;
622 			}
623 		}
624 	}
625 	aprint_normal(": %s %s(rev. 0x%02x)\n", devinfo, revstr, revision);
626 
627 	/* Map I/O register */
628 	if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
629 	      &sc->iot, &sc->ioh, NULL, &sc->iosz)) {
630 		aprint_error("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
631 		return;
632 	}
633 
634 	sc->sc_dmatag = pa->pa_dmat;
635 
636 	/* Enable the device. */
637 	csr = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
638 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
639 		       csr | PCI_COMMAND_MASTER_ENABLE);
640 
641 	/* Map and establish the interrupt. */
642 	if (pci_intr_map(pa, &ih)) {
643 		aprint_error("%s: couldn't map interrupt\n",
644 		    sc->sc_dev.dv_xname);
645 		return;
646 	}
647 	intrstr = pci_intr_string(pc, ih);
648 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, eap_intr, sc);
649 	if (sc->sc_ih == NULL) {
650 		aprint_error("%s: couldn't establish interrupt",
651 		    sc->sc_dev.dv_xname);
652 		if (intrstr != NULL)
653 			aprint_normal(" at %s", intrstr);
654 		aprint_normal("\n");
655 		return;
656 	}
657 	aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
658 
659 	sc->sc_ei[EAP_I1].parent = (struct device *)sc;
660 	sc->sc_ei[EAP_I1].index = EAP_DAC2;
661 	sc->sc_ei[EAP_I2].parent = (struct device *)sc;
662 	sc->sc_ei[EAP_I2].index = EAP_DAC1;
663 
664 	if (!sc->sc_1371) {
665 		/* Enable interrupts and looping mode. */
666 		/* enable the parts we need */
667 		EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
668 		EWRITE4(sc, EAP_ICSC, EAP_CDC_EN);
669 
670 		/* reset codec */
671 		/* normal operation */
672 		/* select codec clocks */
673 		eap1370_write_codec(sc, AK_RESET, AK_PD);
674 		eap1370_write_codec(sc, AK_RESET, AK_PD | AK_NRST);
675 		eap1370_write_codec(sc, AK_CS, 0x0);
676 
677 		eap_hw_if = &eap1370_hw_if;
678 
679 		/* Enable all relevant mixer switches. */
680 		ctl.dev = EAP_OUTPUT_SELECT;
681 		ctl.type = AUDIO_MIXER_SET;
682 		ctl.un.mask = 1 << EAP_VOICE_VOL | 1 << EAP_FM_VOL |
683 			1 << EAP_CD_VOL | 1 << EAP_LINE_VOL | 1 << EAP_AUX_VOL |
684 			1 << EAP_MIC_VOL;
685 		eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
686 
687 		ctl.type = AUDIO_MIXER_VALUE;
688 		ctl.un.value.num_channels = 1;
689 		for (ctl.dev = EAP_MASTER_VOL; ctl.dev < EAP_MIC_VOL;
690 		     ctl.dev++) {
691 			ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = VOL_0DB;
692 			eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
693 		}
694 		ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = 0;
695 		eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
696 		ctl.dev = EAP_MIC_PREAMP;
697 		ctl.type = AUDIO_MIXER_ENUM;
698 		ctl.un.ord = 0;
699 		eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
700 		ctl.dev = EAP_RECORD_SOURCE;
701 		ctl.type = AUDIO_MIXER_SET;
702 		ctl.un.mask = 1 << EAP_MIC_VOL;
703 		eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
704 	} else {
705 		/* clean slate */
706 
707                 EWRITE4(sc, EAP_SIC, 0);
708 		EWRITE4(sc, EAP_ICSC, 0);
709 		EWRITE4(sc, E1371_LEGACY, 0);
710 
711 		if (ct5880) {
712 			EWRITE4(sc, EAP_ICSS, EAP_CT5880_AC97_RESET);
713 			/* Let codec wake up */
714 			delay(20000);
715 		}
716 
717                 /* Reset from es1371's perspective */
718                 EWRITE4(sc, EAP_ICSC, E1371_SYNC_RES);
719                 delay(20);
720                 EWRITE4(sc, EAP_ICSC, 0);
721 
722 		/*
723 		 * Must properly reprogram sample rate converter,
724 		 * or it locks up.  Set some defaults for the life of the
725 		 * machine, and set up a sb default sample rate.
726 		 */
727 		EWRITE4(sc, E1371_SRC, E1371_SRC_DISABLE);
728 		for (i = 0; i < 0x80; i++)
729 			eap1371_src_write(sc, i, 0);
730 		eap1371_src_write(sc, ESRC_DAC1+ESRC_TRUNC_N, ESRC_SET_N(16));
731 		eap1371_src_write(sc, ESRC_DAC2+ESRC_TRUNC_N, ESRC_SET_N(16));
732 		eap1371_src_write(sc, ESRC_DAC1+ESRC_IREGS, ESRC_SET_VFI(16));
733 		eap1371_src_write(sc, ESRC_DAC2+ESRC_IREGS, ESRC_SET_VFI(16));
734 		eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(16));
735 		eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(16));
736 		eap1371_src_write(sc, ESRC_DAC1_VOLL, ESRC_SET_DAC_VOLI(1));
737 		eap1371_src_write(sc, ESRC_DAC1_VOLR, ESRC_SET_DAC_VOLI(1));
738 		eap1371_src_write(sc, ESRC_DAC2_VOLL, ESRC_SET_DAC_VOLI(1));
739 		eap1371_src_write(sc, ESRC_DAC2_VOLR, ESRC_SET_DAC_VOLI(1));
740 		eap1371_set_adc_rate(sc, 22050);
741 		eap1371_set_dac_rate(&sc->sc_ei[0], 22050);
742 		eap1371_set_dac_rate(&sc->sc_ei[1], 22050);
743 
744 		EWRITE4(sc, E1371_SRC, 0);
745 
746 		/* Reset codec */
747 
748 		/* Interrupt enable */
749 		sc->host_if.arg = sc;
750 		sc->host_if.attach = eap1371_attach_codec;
751 		sc->host_if.read = eap1371_read_codec;
752 		sc->host_if.write = eap1371_write_codec;
753 		sc->host_if.reset = eap1371_reset_codec;
754 
755 		if (ac97_attach(&sc->host_if) == 0) {
756 			/* Interrupt enable */
757 			EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
758 		} else
759 			return;
760 
761 		eap_hw_if = &eap1371_hw_if;
762 
763 		/* Just enable the DAC and master volumes by default */
764 		ctl.type = AUDIO_MIXER_ENUM;
765 		ctl.un.ord = 0;  /* off */
766 		ctl.dev = eap1371_get_portnum_by_name(sc, AudioCoutputs,
767 		       AudioNmaster, AudioNmute);
768 		eap1371_mixer_set_port(&sc->sc_ei[EAP_I1], &ctl);
769 		ctl.dev = eap1371_get_portnum_by_name(sc, AudioCinputs,
770 		       AudioNdac, AudioNmute);
771 		eap1371_mixer_set_port(&sc->sc_ei[EAP_I1], &ctl);
772 		ctl.dev = eap1371_get_portnum_by_name(sc, AudioCrecord,
773 		       AudioNvolume, AudioNmute);
774 		eap1371_mixer_set_port(&sc->sc_ei[EAP_I1], &ctl);
775 
776 		ctl.dev = eap1371_get_portnum_by_name(sc, AudioCrecord,
777 		       AudioNsource, NULL);
778 		ctl.type = AUDIO_MIXER_ENUM;
779 		ctl.un.ord = 0;
780 		eap1371_mixer_set_port(&sc->sc_ei[EAP_I1], &ctl);
781 
782 	}
783 
784 	sc->sc_ei[EAP_I1].ei_audiodev =
785 	    audio_attach_mi(eap_hw_if, &sc->sc_ei[EAP_I1], &sc->sc_dev);
786 
787 #ifdef EAP_USE_BOTH_DACS
788 	aprint_normal("%s: attaching secondary DAC\n", sc->sc_dev.dv_xname);
789 	sc->sc_ei[EAP_I2].ei_audiodev =
790 	    audio_attach_mi(eap_hw_if, &sc->sc_ei[EAP_I2], &sc->sc_dev);
791 #endif
792 
793 #if NMIDI > 0
794 	sc->sc_mididev = midi_attach_mi(&eap_midi_hw_if, sc, &sc->sc_dev);
795 #endif
796 }
797 
798 int
799 eap_detach(struct device *self, int flags)
800 {
801 	struct eap_softc *sc = (struct eap_softc *) self;
802 
803 #if NMIDI > 0
804 	if (sc->sc_mididev != NULL)
805 		config_detach(sc->sc_mididev, 0);
806 #endif
807 #ifdef EAP_USE_BOTH_DACS
808 	if (sc->sc_ei[EAP_I2].ei_audiodev != NULL)
809 		config_detach(sc->sc_ei[EAP_I2].ei_audiodev, 0);
810 #endif
811 	if (sc->sc_ei[EAP_I1].ei_audiodev != NULL)
812 		config_detach(sc->sc_ei[EAP_I1].ei_audiodev, 0);
813 
814 	bus_space_unmap(sc->iot, sc->ioh, sc->iosz);
815 	pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
816 
817 	return (0);
818 }
819 
820 int
821 eap1371_attach_codec(void *sc_, struct ac97_codec_if *codec_if)
822 {
823 	struct eap_softc *sc = sc_;
824 
825 	sc->codec_if = codec_if;
826 	return (0);
827 }
828 
829 void
830 eap1371_reset_codec(void *sc_)
831 {
832 	struct eap_softc *sc = sc_;
833 	u_int32_t icsc;
834 	int s;
835 
836 	s = splaudio();
837 	icsc = EREAD4(sc, EAP_ICSC);
838 	EWRITE4(sc, EAP_ICSC, icsc | E1371_SYNC_RES);
839 	delay(20);
840 	EWRITE4(sc, EAP_ICSC, icsc & ~E1371_SYNC_RES);
841 	delay(1);
842 	splx(s);
843 
844 	return;
845 }
846 
847 int
848 eap_intr(void *p)
849 {
850 	struct eap_softc *sc = p;
851 	u_int32_t intr, sic;
852 
853 	intr = EREAD4(sc, EAP_ICSS);
854 	if (!(intr & EAP_INTR))
855 		return (0);
856 	sic = EREAD4(sc, EAP_SIC);
857 	DPRINTFN(5, ("eap_intr: ICSS=0x%08x, SIC=0x%08x\n", intr, sic));
858 	if (intr & EAP_I_ADC) {
859 #if 0
860 		/*
861 		 * XXX This is a hack!
862 		 * The EAP chip sometimes generates the recording interrupt
863 		 * while it is still transferring the data.  To make sure
864 		 * it has all arrived we busy wait until the count is right.
865 		 * The transfer we are waiting for is 8 longwords.
866 		 */
867 		int s, nw, n;
868 		EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
869 		s = EREAD4(sc, EAP_ADC_CSR);
870 		nw = ((s & 0xffff) + 1) >> 2; /* # of words in DMA */
871 		n = 0;
872 		while (((EREAD4(sc, EAP_ADC_SIZE) >> 16) + 8) % nw == 0) {
873 			delay(10);
874 			if (++n > 100) {
875 				printf("eapintr: DMA fix timeout");
876 				break;
877 			}
878 		}
879 		/* Continue with normal interrupt handling. */
880 #endif
881 		EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
882 		EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
883 		if (sc->sc_rintr)
884 			sc->sc_rintr(sc->sc_rarg);
885 	}
886 
887 	if (intr & EAP_I_DAC2) {
888 		EWRITE4(sc, EAP_SIC, sic & ~EAP_P2_INTR_EN);
889 		EWRITE4(sc, EAP_SIC, sic | EAP_P2_INTR_EN);
890 		if (sc->sc_ei[EAP_DAC2].ei_pintr)
891 			sc->sc_ei[EAP_DAC2].ei_pintr(sc->sc_ei[EAP_DAC2].ei_parg);
892 	}
893 
894 	if (intr & EAP_I_DAC1) {
895 		EWRITE4(sc, EAP_SIC, sic & ~EAP_P1_INTR_EN);
896 		EWRITE4(sc, EAP_SIC, sic | EAP_P1_INTR_EN);
897 		if (sc->sc_ei[EAP_DAC1].ei_pintr)
898 			sc->sc_ei[EAP_DAC1].ei_pintr(sc->sc_ei[EAP_DAC1].ei_parg);
899 	}
900 
901 	if (intr & EAP_I_MCCB)
902 		panic("eap_intr: unexpected MCCB interrupt");
903 #if NMIDI > 0
904 	if ((intr & EAP_I_UART) && sc->sc_iintr != NULL) {
905 		u_int32_t data;
906 
907 		if (EREAD1(sc, EAP_UART_STATUS) & EAP_US_RXINT) {
908 			while (EREAD1(sc, EAP_UART_STATUS) & EAP_US_RXRDY) {
909 				data = EREAD1(sc, EAP_UART_DATA);
910 				sc->sc_iintr(sc->sc_arg, data);
911 			}
912 		}
913 	}
914 #endif
915 	return (1);
916 }
917 
918 int
919 eap_allocmem(struct eap_softc *sc, size_t size, size_t align, struct eap_dma *p)
920 {
921 	int error;
922 
923 	p->size = size;
924 	error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
925 				 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
926 				 &p->nsegs, BUS_DMA_NOWAIT);
927 	if (error)
928 		return (error);
929 
930 	error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
931 			       &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
932 	if (error)
933 		goto free;
934 
935 	error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
936 				  0, BUS_DMA_NOWAIT, &p->map);
937 	if (error)
938 		goto unmap;
939 
940 	error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
941 				BUS_DMA_NOWAIT);
942 	if (error)
943 		goto destroy;
944 	return (0);
945 
946 destroy:
947 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
948 unmap:
949 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
950 free:
951 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
952 	return (error);
953 }
954 
955 int
956 eap_freemem(struct eap_softc *sc, struct eap_dma *p)
957 {
958 	bus_dmamap_unload(sc->sc_dmatag, p->map);
959 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
960 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
961 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
962 	return (0);
963 }
964 
965 int
966 eap_open(void *addr, int flags)
967 {
968 	struct eap_instance *ei = addr;
969 
970 	/* there is only one ADC */
971 	if (ei->index == EAP_I2 && flags & AUOPEN_READ)
972 		return (EOPNOTSUPP);
973 
974 	return (0);
975 }
976 
977 /*
978  * Close function is called at splaudio().
979  */
980 void
981 eap_close(void *addr)
982 {
983 	struct eap_instance *ei = addr;
984 	struct eap_softc *sc = (struct eap_softc *)ei->parent;
985 
986 	eap_halt_output(ei);
987 	if (ei->index == EAP_I1) {
988 		eap_halt_input(ei);
989 		sc->sc_rintr = 0;
990 	}
991 
992 	ei->ei_pintr = 0;
993 }
994 
995 int
996 eap_query_encoding(void *addr, struct audio_encoding *fp)
997 {
998 	switch (fp->index) {
999 	case 0:
1000 		strcpy(fp->name, AudioEulinear);
1001 		fp->encoding = AUDIO_ENCODING_ULINEAR;
1002 		fp->precision = 8;
1003 		fp->flags = 0;
1004 		return (0);
1005 	case 1:
1006 		strcpy(fp->name, AudioEmulaw);
1007 		fp->encoding = AUDIO_ENCODING_ULAW;
1008 		fp->precision = 8;
1009 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1010 		return (0);
1011 	case 2:
1012 		strcpy(fp->name, AudioEalaw);
1013 		fp->encoding = AUDIO_ENCODING_ALAW;
1014 		fp->precision = 8;
1015 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1016 		return (0);
1017 	case 3:
1018 		strcpy(fp->name, AudioEslinear);
1019 		fp->encoding = AUDIO_ENCODING_SLINEAR;
1020 		fp->precision = 8;
1021 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1022 		return (0);
1023 	case 4:
1024 		strcpy(fp->name, AudioEslinear_le);
1025 		fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
1026 		fp->precision = 16;
1027 		fp->flags = 0;
1028 		return (0);
1029 	case 5:
1030 		strcpy(fp->name, AudioEulinear_le);
1031 		fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
1032 		fp->precision = 16;
1033 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1034 		return (0);
1035 	case 6:
1036 		strcpy(fp->name, AudioEslinear_be);
1037 		fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
1038 		fp->precision = 16;
1039 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1040 		return (0);
1041 	case 7:
1042 		strcpy(fp->name, AudioEulinear_be);
1043 		fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
1044 		fp->precision = 16;
1045 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1046 		return (0);
1047 	default:
1048 		return (EINVAL);
1049 	}
1050 }
1051 
1052 int
1053 eap_set_params(void *addr, int setmode, int usemode,
1054 	       struct audio_params *play, struct audio_params *rec)
1055 {
1056 	struct eap_instance *ei = addr;
1057 	struct eap_softc *sc = (struct eap_softc *)ei->parent;
1058 	struct audio_params *p;
1059 	int mode;
1060 	u_int32_t div;
1061 
1062 	/*
1063 	 * The es1370 only has one clock, so make the sample rates match.
1064 	 * This only applies for ADC/DAC2. The FM DAC is handled below.
1065 	 */
1066 	if (!sc->sc_1371 && ei->index == EAP_DAC2) {
1067 	    if (play->sample_rate != rec->sample_rate &&
1068 		usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
1069 	    	if (setmode == AUMODE_PLAY) {
1070 		    rec->sample_rate = play->sample_rate;
1071 		    setmode |= AUMODE_RECORD;
1072 		} else if (setmode == AUMODE_RECORD) {
1073 		    play->sample_rate = rec->sample_rate;
1074 		    setmode |= AUMODE_PLAY;
1075 		} else
1076 		    return (EINVAL);
1077 	    }
1078 	}
1079 
1080 	for (mode = AUMODE_RECORD; mode != -1;
1081 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
1082 		if ((setmode & mode) == 0)
1083 			continue;
1084 
1085 		p = mode == AUMODE_PLAY ? play : rec;
1086 
1087 		if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
1088 		    (p->precision != 8 && p->precision != 16) ||
1089 		    (p->channels != 1 && p->channels != 2))
1090 			return (EINVAL);
1091 
1092 		p->factor = 1;
1093 		p->sw_code = 0;
1094 		switch (p->encoding) {
1095 		case AUDIO_ENCODING_SLINEAR_BE:
1096 			if (p->precision == 16)
1097 				p->sw_code = swap_bytes;
1098 			else
1099 				p->sw_code = change_sign8;
1100 			break;
1101 		case AUDIO_ENCODING_SLINEAR_LE:
1102 			if (p->precision != 16)
1103 				p->sw_code = change_sign8;
1104 			break;
1105 		case AUDIO_ENCODING_ULINEAR_BE:
1106 			if (p->precision == 16) {
1107 				if (mode == AUMODE_PLAY)
1108 					p->sw_code = swap_bytes_change_sign16_le;
1109 				else
1110 					p->sw_code = change_sign16_swap_bytes_le;
1111 			}
1112 			break;
1113 		case AUDIO_ENCODING_ULINEAR_LE:
1114 			if (p->precision == 16)
1115 				p->sw_code = change_sign16_le;
1116 			break;
1117 		case AUDIO_ENCODING_ULAW:
1118 			if (mode == AUMODE_PLAY) {
1119 				p->factor = 2;
1120 				p->sw_code = mulaw_to_slinear16_le;
1121 			} else
1122 				p->sw_code = ulinear8_to_mulaw;
1123 			break;
1124 		case AUDIO_ENCODING_ALAW:
1125 			if (mode == AUMODE_PLAY) {
1126 				p->factor = 2;
1127 				p->sw_code = alaw_to_slinear16_le;
1128 			} else
1129 				p->sw_code = ulinear8_to_alaw;
1130 			break;
1131 		default:
1132 			return (EINVAL);
1133 		}
1134 	}
1135 
1136 	if (sc->sc_1371) {
1137 		eap1371_set_dac_rate(ei, play->sample_rate);
1138 		eap1371_set_adc_rate(sc, rec->sample_rate);
1139 	} else if (ei->index == EAP_DAC2) {
1140 		/* Set the speed */
1141 		DPRINTFN(2, ("eap_set_params: old ICSC = 0x%08x\n",
1142 			     EREAD4(sc, EAP_ICSC)));
1143 		div = EREAD4(sc, EAP_ICSC) & ~EAP_PCLKBITS;
1144 		/*
1145 		 * XXX
1146 		 * The -2 isn't documented, but seemed to make the wall
1147 		 * time match
1148 		 * what I expect.  - mycroft
1149 		 */
1150 		if (usemode == AUMODE_RECORD)
1151 			div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ /
1152 				rec->sample_rate - 2);
1153 		else
1154 			div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ /
1155 				play->sample_rate - 2);
1156 #if 0
1157 		div |= EAP_CCB_INTRM;
1158 #else
1159 		/*
1160 		 * It is not obvious how to acknowledge MCCB interrupts, so
1161 		 * we had better not enable them.
1162 		 */
1163 #endif
1164 		EWRITE4(sc, EAP_ICSC, div);
1165 		DPRINTFN(2, ("eap_set_params: set ICSC = 0x%08x\n", div));
1166 	} else {
1167 		/*
1168 		 * The FM DAC has only a few fixed-frequency choises, so
1169 		 * pick out the best candidate.
1170 		 */
1171 		div = EREAD4(sc, EAP_ICSC);
1172 		DPRINTFN(2, ("eap_set_params: old ICSC = 0x%08x\n", div));
1173 
1174 		div &= ~EAP_WTSRSEL;
1175 		if (play->sample_rate < 8268)
1176 			div |= EAP_WTSRSEL_5;
1177 		else if (play->sample_rate < 16537)
1178 			div |= EAP_WTSRSEL_11;
1179 		else if (play->sample_rate < 33075)
1180 			div |= EAP_WTSRSEL_22;
1181 		else
1182 			div |= EAP_WTSRSEL_44;
1183 
1184 		EWRITE4(sc, EAP_ICSC, div);
1185 		DPRINTFN(2, ("eap_set_params: set ICSC = 0x%08x\n", div));
1186 	}
1187 
1188 	return (0);
1189 }
1190 
1191 int
1192 eap_round_blocksize(void *addr, int blk)
1193 {
1194 	return (blk & -32);	/* keep good alignment */
1195 }
1196 
1197 int
1198 eap_trigger_output(
1199 	void *addr,
1200 	void *start,
1201 	void *end,
1202 	int blksize,
1203 	void (*intr)(void *),
1204 	void *arg,
1205 	struct audio_params *param)
1206 {
1207 	struct eap_instance *ei = addr;
1208 	struct eap_softc *sc = (struct eap_softc *)ei->parent;
1209 	struct eap_dma *p;
1210 	u_int32_t icsc, sic;
1211 	int sampshift;
1212 
1213 #ifdef DIAGNOSTIC
1214 	if (ei->ei_prun)
1215 		panic("eap_trigger_output: already running");
1216 	ei->ei_prun = 1;
1217 #endif
1218 
1219 	DPRINTFN(1, ("eap_trigger_output: sc=%p start=%p end=%p "
1220 	    "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1221 	ei->ei_pintr = intr;
1222 	ei->ei_parg = arg;
1223 
1224 	sic = EREAD4(sc, EAP_SIC);
1225 	sic &= ~(EAP_S_EB(ei->index) | EAP_S_MB(ei->index) | EAP_INC_BITS);
1226 
1227 	if (ei->index == EAP_DAC2)
1228 		sic |= EAP_SET_P2_ST_INC(0)
1229 		    | EAP_SET_P2_END_INC(param->precision * param->factor / 8);
1230 
1231 	sampshift = 0;
1232 	if (param->precision * param->factor == 16) {
1233 		sic |= EAP_S_EB(ei->index);
1234 		sampshift++;
1235 	}
1236 	if (param->channels == 2) {
1237 		sic |= EAP_S_MB(ei->index);
1238 		sampshift++;
1239 	}
1240 	EWRITE4(sc, EAP_SIC, sic & ~EAP_P_INTR_EN(ei->index));
1241 	EWRITE4(sc, EAP_SIC, sic | EAP_P_INTR_EN(ei->index));
1242 
1243 	for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1244 		;
1245 	if (!p) {
1246 		printf("eap_trigger_output: bad addr %p\n", start);
1247 		return (EINVAL);
1248 	}
1249 
1250 	if (ei->index == EAP_DAC2) {
1251 		DPRINTF(("eap_trigger_output: DAC2_ADDR=0x%x, DAC2_SIZE=0x%x\n",
1252 			 (int)DMAADDR(p),
1253 			 (int)EAP_SET_SIZE(0,
1254 			 (((char *)end - (char *)start) >> 2) - 1)));
1255 		EWRITE4(sc, EAP_MEMPAGE, EAP_DAC_PAGE);
1256 		EWRITE4(sc, EAP_DAC2_ADDR, DMAADDR(p));
1257 		EWRITE4(sc, EAP_DAC2_SIZE,
1258 			EAP_SET_SIZE(0,
1259 			((char *)end - (char *)start) >> 2) - 1);
1260 		EWRITE4(sc, EAP_DAC2_CSR, (blksize >> sampshift) - 1);
1261 	} else if (ei->index == EAP_DAC1) {
1262 		DPRINTF(("eap_trigger_output: DAC1_ADDR=0x%x, DAC1_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_DAC1_ADDR, DMAADDR(p));
1268 		EWRITE4(sc, EAP_DAC1_SIZE,
1269 			EAP_SET_SIZE(0,
1270 			((char *)end - (char *)start) >> 2) - 1);
1271 		EWRITE4(sc, EAP_DAC1_CSR, (blksize >> sampshift) - 1);
1272 	}
1273 #ifdef DIAGNOSTIC
1274 	else
1275 		panic("eap_trigger_output: impossible instance %d", ei->index);
1276 #endif
1277 
1278 	if (sc->sc_1371)
1279 		EWRITE4(sc, E1371_SRC, 0);
1280 
1281 	icsc = EREAD4(sc, EAP_ICSC);
1282 	icsc |= EAP_DAC_EN(ei->index);
1283 	EWRITE4(sc, EAP_ICSC, icsc);
1284 
1285 	DPRINTFN(1, ("eap_trigger_output: set ICSC = 0x%08x\n", icsc));
1286 
1287 	return (0);
1288 }
1289 
1290 int
1291 eap_trigger_input(
1292 	void *addr,
1293 	void *start,
1294 	void *end,
1295 	int blksize,
1296 	void (*intr)(void *),
1297 	void *arg,
1298 	struct audio_params *param)
1299 {
1300 	struct eap_instance *ei = addr;
1301 	struct eap_softc *sc = (struct eap_softc *)ei->parent;
1302 	struct eap_dma *p;
1303 	u_int32_t icsc, sic;
1304 	int sampshift;
1305 
1306 #ifdef DIAGNOSTIC
1307 	if (sc->sc_rrun)
1308 		panic("eap_trigger_input: already running");
1309 	sc->sc_rrun = 1;
1310 #endif
1311 
1312 	DPRINTFN(1, ("eap_trigger_input: ei=%p start=%p end=%p blksize=%d intr=%p(%p)\n",
1313 	    addr, start, end, blksize, intr, arg));
1314 	sc->sc_rintr = intr;
1315 	sc->sc_rarg = arg;
1316 
1317 	sic = EREAD4(sc, EAP_SIC);
1318 	sic &= ~(EAP_R1_S_EB | EAP_R1_S_MB);
1319 	sampshift = 0;
1320 	if (param->precision * param->factor == 16) {
1321 		sic |= EAP_R1_S_EB;
1322 		sampshift++;
1323 	}
1324 	if (param->channels == 2) {
1325 		sic |= EAP_R1_S_MB;
1326 		sampshift++;
1327 	}
1328 	EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
1329 	EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
1330 
1331 	for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1332 		;
1333 	if (!p) {
1334 		printf("eap_trigger_input: bad addr %p\n", start);
1335 		return (EINVAL);
1336 	}
1337 
1338 	DPRINTF(("eap_trigger_input: ADC_ADDR=0x%x, ADC_SIZE=0x%x\n",
1339 		 (int)DMAADDR(p),
1340 		 (int)EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1)));
1341 	EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
1342 	EWRITE4(sc, EAP_ADC_ADDR, DMAADDR(p));
1343 	EWRITE4(sc, EAP_ADC_SIZE,
1344 		EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1));
1345 
1346 	EWRITE4(sc, EAP_ADC_CSR, (blksize >> sampshift) - 1);
1347 
1348 	if (sc->sc_1371)
1349 		EWRITE4(sc, E1371_SRC, 0);
1350 
1351 	icsc = EREAD4(sc, EAP_ICSC);
1352 	icsc |= EAP_ADC_EN;
1353 	EWRITE4(sc, EAP_ICSC, icsc);
1354 
1355 	DPRINTFN(1, ("eap_trigger_input: set ICSC = 0x%08x\n", icsc));
1356 
1357 	return (0);
1358 }
1359 
1360 int
1361 eap_halt_output(void *addr)
1362 {
1363 	struct eap_instance *ei = addr;
1364 	struct eap_softc *sc = (struct eap_softc *)ei->parent;
1365 	u_int32_t icsc;
1366 
1367 	DPRINTF(("eap: eap_halt_output\n"));
1368 	icsc = EREAD4(sc, EAP_ICSC);
1369 	EWRITE4(sc, EAP_ICSC, icsc & ~(EAP_DAC_EN(ei->index)));
1370 #ifdef DIAGNOSTIC
1371 	ei->ei_prun = 0;
1372 #endif
1373 
1374 	return (0);
1375 }
1376 
1377 int
1378 eap_halt_input(void *addr)
1379 {
1380 	struct eap_instance *ei = addr;
1381 	struct eap_softc *sc = (struct eap_softc *)ei->parent;
1382 	u_int32_t icsc;
1383 
1384 #define EAP_USE_FMDAC_ALSO
1385 	DPRINTF(("eap: eap_halt_input\n"));
1386 	icsc = EREAD4(sc, EAP_ICSC);
1387 	EWRITE4(sc, EAP_ICSC, icsc & ~EAP_ADC_EN);
1388 #ifdef DIAGNOSTIC
1389 	sc->sc_rrun = 0;
1390 #endif
1391 	return (0);
1392 }
1393 
1394 int
1395 eap_getdev(void *addr, struct audio_device *retp)
1396 {
1397 	*retp = eap_device;
1398 	return (0);
1399 }
1400 
1401 int
1402 eap1371_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1403 {
1404 	struct eap_instance *ei = addr;
1405 	struct eap_softc *sc = (struct eap_softc *)ei->parent;
1406 
1407 	return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp));
1408 }
1409 
1410 int
1411 eap1371_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1412 {
1413 	struct eap_instance *ei = addr;
1414 	struct eap_softc *sc = (struct eap_softc *)ei->parent;
1415 
1416 	return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp));
1417 }
1418 
1419 int
1420 eap1371_query_devinfo(void *addr, mixer_devinfo_t *dip)
1421 {
1422 	struct eap_instance *ei = addr;
1423 	struct eap_softc *sc = (struct eap_softc *)ei->parent;
1424 
1425 	return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip));
1426 }
1427 
1428 int
1429 eap1371_get_portnum_by_name(struct eap_softc *sc,
1430 			    char *class, char *device, char *qualifier)
1431 {
1432 	return (sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, class,
1433 	     device, qualifier));
1434 }
1435 
1436 void
1437 eap1370_set_mixer(struct eap_softc *sc, int a, int d)
1438 {
1439 	eap1370_write_codec(sc, a, d);
1440 
1441 	sc->sc_port[a] = d;
1442 	DPRINTFN(1, ("eap1370_mixer_set_port port 0x%02x = 0x%02x\n", a, d));
1443 }
1444 
1445 int
1446 eap1370_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1447 {
1448 	struct eap_instance *ei = addr;
1449 	struct eap_softc *sc = (struct eap_softc *)ei->parent;
1450 	int lval, rval, l, r, la, ra;
1451 	int l1, r1, l2, r2, m, o1, o2;
1452 
1453 	if (cp->dev == EAP_RECORD_SOURCE) {
1454 		if (cp->type != AUDIO_MIXER_SET)
1455 			return (EINVAL);
1456 		m = sc->sc_record_source = cp->un.mask;
1457 		l1 = l2 = r1 = r2 = 0;
1458 		if (m & (1 << EAP_VOICE_VOL))
1459 			l2 |= AK_M_VOICE, r2 |= AK_M_VOICE;
1460 		if (m & (1 << EAP_FM_VOL))
1461 			l1 |= AK_M_FM_L, r1 |= AK_M_FM_R;
1462 		if (m & (1 << EAP_CD_VOL))
1463 			l1 |= AK_M_CD_L, r1 |= AK_M_CD_R;
1464 		if (m & (1 << EAP_LINE_VOL))
1465 			l1 |= AK_M_LINE_L, r1 |= AK_M_LINE_R;
1466 		if (m & (1 << EAP_AUX_VOL))
1467 			l2 |= AK_M2_AUX_L, r2 |= AK_M2_AUX_R;
1468 		if (m & (1 << EAP_MIC_VOL))
1469 			l2 |= AK_M_TMIC, r2 |= AK_M_TMIC;
1470 		eap1370_set_mixer(sc, AK_IN_MIXER1_L, l1);
1471 		eap1370_set_mixer(sc, AK_IN_MIXER1_R, r1);
1472 		eap1370_set_mixer(sc, AK_IN_MIXER2_L, l2);
1473 		eap1370_set_mixer(sc, AK_IN_MIXER2_R, r2);
1474 		return (0);
1475 	}
1476 	if (cp->dev == EAP_OUTPUT_SELECT) {
1477 		if (cp->type != AUDIO_MIXER_SET)
1478 			return (EINVAL);
1479 		m = sc->sc_output_source = cp->un.mask;
1480 		o1 = o2 = 0;
1481 		if (m & (1 << EAP_VOICE_VOL))
1482 			o2 |= AK_M_VOICE_L | AK_M_VOICE_R;
1483 		if (m & (1 << EAP_FM_VOL))
1484 			o1 |= AK_M_FM_L | AK_M_FM_R;
1485 		if (m & (1 << EAP_CD_VOL))
1486 			o1 |= AK_M_CD_L | AK_M_CD_R;
1487 		if (m & (1 << EAP_LINE_VOL))
1488 			o1 |= AK_M_LINE_L | AK_M_LINE_R;
1489 		if (m & (1 << EAP_AUX_VOL))
1490 			o2 |= AK_M_AUX_L | AK_M_AUX_R;
1491 		if (m & (1 << EAP_MIC_VOL))
1492 			o1 |= AK_M_MIC;
1493 		eap1370_set_mixer(sc, AK_OUT_MIXER1, o1);
1494 		eap1370_set_mixer(sc, AK_OUT_MIXER2, o2);
1495 		return (0);
1496 	}
1497 	if (cp->dev == EAP_MIC_PREAMP) {
1498 		if (cp->type != AUDIO_MIXER_ENUM)
1499 			return (EINVAL);
1500 		if (cp->un.ord != 0 && cp->un.ord != 1)
1501 			return (EINVAL);
1502 		sc->sc_mic_preamp = cp->un.ord;
1503 		eap1370_set_mixer(sc, AK_MGAIN, cp->un.ord);
1504 		return (0);
1505 	}
1506 	if (cp->type != AUDIO_MIXER_VALUE)
1507 		return (EINVAL);
1508 	if (cp->un.value.num_channels == 1)
1509 		lval = rval = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
1510 	else if (cp->un.value.num_channels == 2) {
1511 		lval = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
1512 		rval = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
1513 	} else
1514 		return (EINVAL);
1515 	ra = -1;
1516 	switch (cp->dev) {
1517 	case EAP_MASTER_VOL:
1518 		l = VOL_TO_ATT5(lval);
1519 		r = VOL_TO_ATT5(rval);
1520 		la = AK_MASTER_L;
1521 		ra = AK_MASTER_R;
1522 		break;
1523 	case EAP_MIC_VOL:
1524 		if (cp->un.value.num_channels != 1)
1525 			return (EINVAL);
1526 		la = AK_MIC;
1527 		goto lr;
1528 	case EAP_VOICE_VOL:
1529 		la = AK_VOICE_L;
1530 		ra = AK_VOICE_R;
1531 		goto lr;
1532 	case EAP_FM_VOL:
1533 		la = AK_FM_L;
1534 		ra = AK_FM_R;
1535 		goto lr;
1536 	case EAP_CD_VOL:
1537 		la = AK_CD_L;
1538 		ra = AK_CD_R;
1539 		goto lr;
1540 	case EAP_LINE_VOL:
1541 		la = AK_LINE_L;
1542 		ra = AK_LINE_R;
1543 		goto lr;
1544 	case EAP_AUX_VOL:
1545 		la = AK_AUX_L;
1546 		ra = AK_AUX_R;
1547 	lr:
1548 		l = VOL_TO_GAIN5(lval);
1549 		r = VOL_TO_GAIN5(rval);
1550 		break;
1551 	default:
1552 		return (EINVAL);
1553 	}
1554 	eap1370_set_mixer(sc, la, l);
1555 	if (ra >= 0) {
1556 		eap1370_set_mixer(sc, ra, r);
1557 	}
1558 	return (0);
1559 }
1560 
1561 int
1562 eap1370_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1563 {
1564 	struct eap_instance *ei = addr;
1565 	struct eap_softc *sc = (struct eap_softc *)ei->parent;
1566 	int la, ra, l, r;
1567 
1568 	switch (cp->dev) {
1569 	case EAP_RECORD_SOURCE:
1570 		if (cp->type != AUDIO_MIXER_SET)
1571 			return (EINVAL);
1572 		cp->un.mask = sc->sc_record_source;
1573 		return (0);
1574 	case EAP_OUTPUT_SELECT:
1575 		if (cp->type != AUDIO_MIXER_SET)
1576 			return (EINVAL);
1577 		cp->un.mask = sc->sc_output_source;
1578 		return (0);
1579 	case EAP_MIC_PREAMP:
1580 		if (cp->type != AUDIO_MIXER_ENUM)
1581 			return (EINVAL);
1582 		cp->un.ord = sc->sc_mic_preamp;
1583 		return (0);
1584 	case EAP_MASTER_VOL:
1585 		l = ATT5_TO_VOL(sc->sc_port[AK_MASTER_L]);
1586 		r = ATT5_TO_VOL(sc->sc_port[AK_MASTER_R]);
1587 		break;
1588 	case EAP_MIC_VOL:
1589 		if (cp->un.value.num_channels != 1)
1590 			return (EINVAL);
1591 		la = ra = AK_MIC;
1592 		goto lr;
1593 	case EAP_VOICE_VOL:
1594 		la = AK_VOICE_L;
1595 		ra = AK_VOICE_R;
1596 		goto lr;
1597 	case EAP_FM_VOL:
1598 		la = AK_FM_L;
1599 		ra = AK_FM_R;
1600 		goto lr;
1601 	case EAP_CD_VOL:
1602 		la = AK_CD_L;
1603 		ra = AK_CD_R;
1604 		goto lr;
1605 	case EAP_LINE_VOL:
1606 		la = AK_LINE_L;
1607 		ra = AK_LINE_R;
1608 		goto lr;
1609 	case EAP_AUX_VOL:
1610 		la = AK_AUX_L;
1611 		ra = AK_AUX_R;
1612 	lr:
1613 		l = GAIN5_TO_VOL(sc->sc_port[la]);
1614 		r = GAIN5_TO_VOL(sc->sc_port[ra]);
1615 		break;
1616 	default:
1617 		return (EINVAL);
1618 	}
1619 	if (cp->un.value.num_channels == 1)
1620 		cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = (l+r) / 2;
1621 	else if (cp->un.value.num_channels == 2) {
1622 		cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]  = l;
1623 		cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
1624 	} else
1625 		return (EINVAL);
1626 	return (0);
1627 }
1628 
1629 int
1630 eap1370_query_devinfo(void *addr, mixer_devinfo_t *dip)
1631 {
1632 
1633 	switch (dip->index) {
1634 	case EAP_MASTER_VOL:
1635 		dip->type = AUDIO_MIXER_VALUE;
1636 		dip->mixer_class = EAP_OUTPUT_CLASS;
1637 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1638 		strcpy(dip->label.name, AudioNmaster);
1639 		dip->un.v.num_channels = 2;
1640 		strcpy(dip->un.v.units.name, AudioNvolume);
1641 		return (0);
1642 	case EAP_VOICE_VOL:
1643 		dip->type = AUDIO_MIXER_VALUE;
1644 		dip->mixer_class = EAP_INPUT_CLASS;
1645 		dip->prev = AUDIO_MIXER_LAST;
1646 		dip->next = AUDIO_MIXER_LAST;
1647 		strcpy(dip->label.name, AudioNdac);
1648 		dip->un.v.num_channels = 2;
1649 		strcpy(dip->un.v.units.name, AudioNvolume);
1650 		return (0);
1651 	case EAP_FM_VOL:
1652 		dip->type = AUDIO_MIXER_VALUE;
1653 		dip->mixer_class = EAP_INPUT_CLASS;
1654 		dip->prev = AUDIO_MIXER_LAST;
1655 		dip->next = AUDIO_MIXER_LAST;
1656 		strcpy(dip->label.name, AudioNfmsynth);
1657 		dip->un.v.num_channels = 2;
1658 		strcpy(dip->un.v.units.name, AudioNvolume);
1659 		return (0);
1660 	case EAP_CD_VOL:
1661 		dip->type = AUDIO_MIXER_VALUE;
1662 		dip->mixer_class = EAP_INPUT_CLASS;
1663 		dip->prev = AUDIO_MIXER_LAST;
1664 		dip->next = AUDIO_MIXER_LAST;
1665 		strcpy(dip->label.name, AudioNcd);
1666 		dip->un.v.num_channels = 2;
1667 		strcpy(dip->un.v.units.name, AudioNvolume);
1668 		return (0);
1669 	case EAP_LINE_VOL:
1670 		dip->type = AUDIO_MIXER_VALUE;
1671 		dip->mixer_class = EAP_INPUT_CLASS;
1672 		dip->prev = AUDIO_MIXER_LAST;
1673 		dip->next = AUDIO_MIXER_LAST;
1674 		strcpy(dip->label.name, AudioNline);
1675 		dip->un.v.num_channels = 2;
1676 		strcpy(dip->un.v.units.name, AudioNvolume);
1677 		return (0);
1678 	case EAP_AUX_VOL:
1679 		dip->type = AUDIO_MIXER_VALUE;
1680 		dip->mixer_class = EAP_INPUT_CLASS;
1681 		dip->prev = AUDIO_MIXER_LAST;
1682 		dip->next = AUDIO_MIXER_LAST;
1683 		strcpy(dip->label.name, AudioNaux);
1684 		dip->un.v.num_channels = 2;
1685 		strcpy(dip->un.v.units.name, AudioNvolume);
1686 		return (0);
1687 	case EAP_MIC_VOL:
1688 		dip->type = AUDIO_MIXER_VALUE;
1689 		dip->mixer_class = EAP_INPUT_CLASS;
1690 		dip->prev = AUDIO_MIXER_LAST;
1691 		dip->next = EAP_MIC_PREAMP;
1692 		strcpy(dip->label.name, AudioNmicrophone);
1693 		dip->un.v.num_channels = 1;
1694 		strcpy(dip->un.v.units.name, AudioNvolume);
1695 		return (0);
1696 	case EAP_RECORD_SOURCE:
1697 		dip->mixer_class = EAP_RECORD_CLASS;
1698 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1699 		strcpy(dip->label.name, AudioNsource);
1700 		dip->type = AUDIO_MIXER_SET;
1701 		dip->un.s.num_mem = 6;
1702 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1703 		dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1704 		strcpy(dip->un.s.member[1].label.name, AudioNcd);
1705 		dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1706 		strcpy(dip->un.s.member[2].label.name, AudioNline);
1707 		dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1708 		strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1709 		dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1710 		strcpy(dip->un.s.member[4].label.name, AudioNaux);
1711 		dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1712 		strcpy(dip->un.s.member[5].label.name, AudioNdac);
1713 		dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1714 		return (0);
1715 	case EAP_OUTPUT_SELECT:
1716 		dip->mixer_class = EAP_OUTPUT_CLASS;
1717 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1718 		strcpy(dip->label.name, AudioNselect);
1719 		dip->type = AUDIO_MIXER_SET;
1720 		dip->un.s.num_mem = 6;
1721 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1722 		dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1723 		strcpy(dip->un.s.member[1].label.name, AudioNcd);
1724 		dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1725 		strcpy(dip->un.s.member[2].label.name, AudioNline);
1726 		dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1727 		strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1728 		dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1729 		strcpy(dip->un.s.member[4].label.name, AudioNaux);
1730 		dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1731 		strcpy(dip->un.s.member[5].label.name, AudioNdac);
1732 		dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1733 		return (0);
1734 	case EAP_MIC_PREAMP:
1735 		dip->type = AUDIO_MIXER_ENUM;
1736 		dip->mixer_class = EAP_INPUT_CLASS;
1737 		dip->prev = EAP_MIC_VOL;
1738 		dip->next = AUDIO_MIXER_LAST;
1739 		strcpy(dip->label.name, AudioNpreamp);
1740 		dip->un.e.num_mem = 2;
1741 		strcpy(dip->un.e.member[0].label.name, AudioNoff);
1742 		dip->un.e.member[0].ord = 0;
1743 		strcpy(dip->un.e.member[1].label.name, AudioNon);
1744 		dip->un.e.member[1].ord = 1;
1745 		return (0);
1746 	case EAP_OUTPUT_CLASS:
1747 		dip->type = AUDIO_MIXER_CLASS;
1748 		dip->mixer_class = EAP_OUTPUT_CLASS;
1749 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1750 		strcpy(dip->label.name, AudioCoutputs);
1751 		return (0);
1752 	case EAP_RECORD_CLASS:
1753 		dip->type = AUDIO_MIXER_CLASS;
1754 		dip->mixer_class = EAP_RECORD_CLASS;
1755 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1756 		strcpy(dip->label.name, AudioCrecord);
1757 		return (0);
1758 	case EAP_INPUT_CLASS:
1759 		dip->type = AUDIO_MIXER_CLASS;
1760 		dip->mixer_class = EAP_INPUT_CLASS;
1761 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1762 		strcpy(dip->label.name, AudioCinputs);
1763 		return (0);
1764 	}
1765 	return (ENXIO);
1766 }
1767 
1768 void *
1769 eap_malloc(void *addr, int direction, size_t size,
1770     struct malloc_type *pool, int flags)
1771 {
1772 	struct eap_instance *ei = addr;
1773 	struct eap_softc *sc = (struct eap_softc *)ei->parent;
1774 	struct eap_dma *p;
1775 	int error;
1776 
1777 	p = malloc(sizeof(*p), pool, flags);
1778 	if (!p)
1779 		return (0);
1780 	error = eap_allocmem(sc, size, 16, p);
1781 	if (error) {
1782 		free(p, pool);
1783 		return (0);
1784 	}
1785 	p->next = sc->sc_dmas;
1786 	sc->sc_dmas = p;
1787 	return (KERNADDR(p));
1788 }
1789 
1790 void
1791 eap_free(void *addr, void *ptr, struct malloc_type *pool)
1792 {
1793 	struct eap_instance *ei = addr;
1794 	struct eap_softc *sc = (struct eap_softc *)ei->parent;
1795 	struct eap_dma **pp, *p;
1796 
1797 	for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1798 		if (KERNADDR(p) == ptr) {
1799 			eap_freemem(sc, p);
1800 			*pp = p->next;
1801 			free(p, pool);
1802 			return;
1803 		}
1804 	}
1805 }
1806 
1807 size_t
1808 eap_round_buffersize(void *addr, int direction, size_t size)
1809 {
1810 
1811 	return (size);
1812 }
1813 
1814 paddr_t
1815 eap_mappage(void *addr, void *mem, off_t off, int prot)
1816 {
1817 	struct eap_instance *ei = addr;
1818 	struct eap_softc *sc = (struct eap_softc *)ei->parent;
1819 	struct eap_dma *p;
1820 
1821 	if (off < 0)
1822 		return (-1);
1823 	for (p = sc->sc_dmas; p && KERNADDR(p) != mem; p = p->next)
1824 		;
1825 	if (!p)
1826 		return (-1);
1827 	return (bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
1828 				off, prot, BUS_DMA_WAITOK));
1829 }
1830 
1831 int
1832 eap_get_props(void *addr)
1833 {
1834 
1835 	return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
1836 		AUDIO_PROP_FULLDUPLEX);
1837 }
1838 
1839 #if NMIDI > 0
1840 int
1841 eap_midi_open(void *addr, int flags,
1842 	      void (*iintr)(void *, int),
1843 	      void (*ointr)(void *),
1844 	      void *arg)
1845 {
1846 	struct eap_softc *sc = addr;
1847 	u_int32_t uctrl;
1848 
1849 	sc->sc_iintr = iintr;
1850 	sc->sc_ointr = ointr;
1851 	sc->sc_arg = arg;
1852 
1853 	EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) | EAP_UART_EN);
1854 	uctrl = 0;
1855 	if (flags & FREAD)
1856 		uctrl |= EAP_UC_RXINTEN;
1857 #if 0
1858 	/* I don't understand ../midi.c well enough to use output interrupts */
1859 	if (flags & FWRITE)
1860 		uctrl |= EAP_UC_TXINTEN; */
1861 #endif
1862 	EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1863 
1864 	return (0);
1865 }
1866 
1867 void
1868 eap_midi_close(void *addr)
1869 {
1870 	struct eap_softc *sc = addr;
1871 
1872 	tsleep(sc, PWAIT, "eapclm", hz/10); /* give uart a chance to drain */
1873 	EWRITE1(sc, EAP_UART_CONTROL, 0);
1874 	EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) & ~EAP_UART_EN);
1875 
1876 	sc->sc_iintr = 0;
1877 	sc->sc_ointr = 0;
1878 }
1879 
1880 int
1881 eap_midi_output(void *addr, int d)
1882 {
1883 	struct eap_softc *sc = addr;
1884 	int x;
1885 
1886 	for (x = 0; x != MIDI_BUSY_WAIT; x++) {
1887 		if (EREAD1(sc, EAP_UART_STATUS) & EAP_US_TXRDY) {
1888 			EWRITE1(sc, EAP_UART_DATA, d);
1889 			return (0);
1890 		}
1891 		delay(MIDI_BUSY_DELAY);
1892 	}
1893 	return (EIO);
1894 }
1895 
1896 void
1897 eap_midi_getinfo(void *addr, struct midi_info *mi)
1898 {
1899 	mi->name = "AudioPCI MIDI UART";
1900 	mi->props = MIDI_PROP_CAN_INPUT;
1901 }
1902 
1903 #endif
1904