xref: /openbsd/sys/dev/pci/eap.c (revision 37ecb596)
1 /*      $OpenBSD: eap.c,v 1.47 2013/12/06 21:03:03 deraadt Exp $ */
2 /*	$NetBSD: eap.c,v 1.46 2001/09/03 15:07:37 reinoud Exp $ */
3 
4 /*
5  * Copyright (c) 1998, 1999 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> and Charles M. Hannum.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  * POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 /*
34  * Debugging:   Andreas Gustafsson <gson@araneus.fi>
35  * Testing:     Chuck Cranor       <chuck@maria.wustl.edu>
36  *              Phil Nelson        <phil@cs.wwu.edu>
37  *
38  * ES1371/AC97:	Ezra Story         <ezy@panix.com>
39  */
40 
41 /*
42  * Ensoniq ES1370 + AK4531 and ES1371/ES1373 + AC97
43  *
44  * Documentation links:
45  *
46  * ftp://ftp.alsa-project.org/pub/manuals/ensoniq/
47  * ftp://ftp.alsa-project.org/pub/manuals/asahi_kasei/4531.pdf
48  */
49 
50 #include "midi.h"
51 
52 #include <sys/param.h>
53 #include <sys/systm.h>
54 #include <sys/kernel.h>
55 #include <sys/fcntl.h>
56 #include <sys/malloc.h>
57 #include <sys/device.h>
58 
59 #include <dev/pci/pcidevs.h>
60 #include <dev/pci/pcivar.h>
61 
62 #include <sys/audioio.h>
63 #include <dev/audio_if.h>
64 #include <dev/midi_if.h>
65 #include <dev/mulaw.h>
66 #include <dev/auconv.h>
67 #include <dev/ic/ac97.h>
68 
69 #include <machine/bus.h>
70 
71 #include <dev/pci/eapreg.h>
72 
73 struct        cfdriver eap_cd = {
74       NULL, "eap", DV_DULL
75 };
76 
77 #define	PCI_CBIO		0x10
78 
79 /* Debug */
80 #ifdef AUDIO_DEBUG
81 #define DPRINTF(x)	if (eapdebug) printf x
82 #define DPRINTFN(n,x)	if (eapdebug>(n)) printf x
83 int	eapdebug = 1;
84 #else
85 #define DPRINTF(x)
86 #define DPRINTFN(n,x)
87 #endif
88 
89 int	eap_match(struct device *, void *, void *);
90 void	eap_attach(struct device *, struct device *, void *);
91 int	eap_activate(struct device *, int);
92 int	eap_intr(void *);
93 
94 struct eap_dma {
95 	bus_dmamap_t map;
96 	caddr_t addr;
97 	bus_dma_segment_t segs[1];
98 	int nsegs;
99 	size_t size;
100 	struct eap_dma *next;
101 };
102 
103 #define DMAADDR(p) ((p)->map->dm_segs[0].ds_addr)
104 #define KERNADDR(p) ((void *)((p)->addr))
105 
106 struct eap_softc {
107 	struct device sc_dev;		/* base device */
108 	void *sc_ih;			/* interrupt vectoring */
109 	bus_space_tag_t iot;
110 	bus_space_handle_t ioh;
111 	bus_dma_tag_t sc_dmatag;	/* DMA tag */
112 
113 	struct eap_dma *sc_dmas;
114 
115 	void	(*sc_pintr)(void *);	/* dma completion intr handler */
116 	void	*sc_parg;		/* arg for sc_intr() */
117 #ifdef DIAGNOSTIC
118 	char	sc_prun;
119 #endif
120 
121 	void	(*sc_rintr)(void *);	/* dma completion intr handler */
122 	void	*sc_rarg;		/* arg for sc_intr() */
123 #ifdef DIAGNOSTIC
124 	char	sc_rrun;
125 #endif
126 
127 #if NMIDI > 0
128 	void	(*sc_iintr)(void *, int); /* midi input ready handler */
129 	void	(*sc_ointr)(void *);	/* midi output ready handler */
130 	void	*sc_arg;
131 	int	sc_uctrl;
132 	struct device *sc_mididev;
133 #endif
134 
135 	u_short	sc_port[AK_NPORTS];	/* mirror of the hardware setting */
136 	u_int	sc_record_source;	/* recording source mask */
137 	u_int	sc_input_source;	/* input source mask */
138 	u_int	sc_mic_preamp;
139 	char    sc_1371;		/* Using ES1371/AC97 codec */
140 	char    sc_ct5880;		/* CT5880 chip */
141 
142 	struct ac97_codec_if *codec_if;
143 	struct ac97_host_if host_if;
144 
145 	int flags;
146 };
147 
148 enum	ac97_host_flags eap_flags_codec(void *);
149 int	eap_allocmem(struct eap_softc *, size_t, size_t, struct eap_dma *);
150 int	eap_freemem(struct eap_softc *, struct eap_dma *);
151 
152 #define EWRITE1(sc, r, x) bus_space_write_1((sc)->iot, (sc)->ioh, (r), (x))
153 #define EWRITE2(sc, r, x) bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x))
154 #define EWRITE4(sc, r, x) bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x))
155 #define EREAD1(sc, r) bus_space_read_1((sc)->iot, (sc)->ioh, (r))
156 #define EREAD2(sc, r) bus_space_read_2((sc)->iot, (sc)->ioh, (r))
157 #define EREAD4(sc, r) bus_space_read_4((sc)->iot, (sc)->ioh, (r))
158 
159 struct cfattach eap_ca = {
160 	sizeof(struct eap_softc), eap_match, eap_attach, NULL, eap_activate
161 };
162 
163 int	eap_open(void *, int);
164 void	eap_close(void *);
165 int	eap_query_encoding(void *, struct audio_encoding *);
166 int	eap_set_params(void *, int, int, struct audio_params *, struct audio_params *);
167 int	eap_round_blocksize(void *, int);
168 int	eap_trigger_output(void *, void *, void *, int, void (*)(void *),
169 	    void *, struct audio_params *);
170 int	eap_trigger_input(void *, void *, void *, int, void (*)(void *),
171 	    void *, struct audio_params *);
172 int	eap_halt_output(void *);
173 int	eap_halt_input(void *);
174 void	eap_get_default_params(void *, int, struct audio_params *);
175 int	eap_resume(struct eap_softc *);
176 void    eap1370_write_codec(struct eap_softc *, int, int);
177 int	eap_getdev(void *, struct audio_device *);
178 int	eap1370_mixer_set_port(void *, mixer_ctrl_t *);
179 int	eap1370_mixer_get_port(void *, mixer_ctrl_t *);
180 int	eap1371_mixer_set_port(void *, mixer_ctrl_t *);
181 int	eap1371_mixer_get_port(void *, mixer_ctrl_t *);
182 int	eap1370_query_devinfo(void *, mixer_devinfo_t *);
183 void   *eap_malloc(void *, int, size_t, int, int);
184 void	eap_free(void *, void *, int);
185 paddr_t	eap_mappage(void *, void *, off_t, int);
186 int	eap_get_props(void *);
187 void	eap1370_set_mixer(struct eap_softc *sc, int a, int d);
188 u_int32_t eap1371_src_wait(struct eap_softc *sc);
189 void	eap1371_src_write(struct eap_softc *sc, int a, int d);
190 int	eap1371_query_devinfo(void *addr, mixer_devinfo_t *dip);
191 
192 int     eap1371_attach_codec(void *sc, struct ac97_codec_if *);
193 int	eap1371_read_codec(void *sc, u_int8_t a, u_int16_t *d);
194 int	eap1371_write_codec(void *sc, u_int8_t a, u_int16_t d);
195 void    eap1371_reset_codec(void *sc);
196 #if NMIDI > 0
197 void	eap_midi_close(void *);
198 void	eap_midi_getinfo(void *, struct midi_info *);
199 int	eap_midi_open(void *, int, void (*)(void *, int),
200 	    void (*)(void *), void *);
201 int	eap_midi_output(void *, int);
202 #endif
203 
204 struct audio_hw_if eap1370_hw_if = {
205 	eap_open,
206 	eap_close,
207 	NULL,
208 	eap_query_encoding,
209 	eap_set_params,
210 	eap_round_blocksize,
211 	NULL,
212 	NULL,
213 	NULL,
214 	NULL,
215 	NULL,
216 	eap_halt_output,
217 	eap_halt_input,
218 	NULL,
219 	eap_getdev,
220 	NULL,
221 	eap1370_mixer_set_port,
222 	eap1370_mixer_get_port,
223 	eap1370_query_devinfo,
224 	eap_malloc,
225 	eap_free,
226 	NULL,
227 	eap_mappage,
228 	eap_get_props,
229 	eap_trigger_output,
230 	eap_trigger_input,
231 	eap_get_default_params
232 };
233 
234 struct audio_hw_if eap1371_hw_if = {
235 	eap_open,
236 	eap_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 	eap1371_mixer_set_port,
252 	eap1371_mixer_get_port,
253 	eap1371_query_devinfo,
254 	eap_malloc,
255 	eap_free,
256 	NULL,
257 	eap_mappage,
258 	eap_get_props,
259 	eap_trigger_output,
260 	eap_trigger_input,
261 	eap_get_default_params
262 };
263 
264 #if NMIDI > 0
265 struct midi_hw_if eap_midi_hw_if = {
266 	eap_midi_open,
267 	eap_midi_close,
268 	eap_midi_output,
269 	0,				/* flush */
270 	eap_midi_getinfo,
271 	0,				/* ioctl */
272 };
273 #endif
274 
275 struct audio_device eap_device = {
276 	"Ensoniq AudioPCI",
277 	"",
278 	"eap"
279 };
280 
281 const struct pci_matchid eap_devices[] = {
282 	{ PCI_VENDOR_CREATIVELABS, PCI_PRODUCT_CREATIVELABS_EV1938 },
283 	{ PCI_VENDOR_ENSONIQ, PCI_PRODUCT_ENSONIQ_AUDIOPCI },
284 	{ PCI_VENDOR_ENSONIQ, PCI_PRODUCT_ENSONIQ_AUDIOPCI97 },
285 	{ PCI_VENDOR_ENSONIQ, PCI_PRODUCT_ENSONIQ_CT5880 },
286 };
287 
288 int
289 eap_match(struct device *parent, void *match, void *aux)
290 {
291 	return (pci_matchbyid((struct pci_attach_args *)aux, eap_devices,
292 	    nitems(eap_devices)));
293 }
294 
295 int
296 eap_activate(struct device *self, int act)
297 {
298 	struct eap_softc *sc = (struct eap_softc *)self;
299 	int rv = 0;
300 
301 	switch (act) {
302 	case DVACT_RESUME:
303 		eap_resume(sc);
304 		rv = config_activate_children(self, act);
305 		break;
306 	default:
307 		rv = config_activate_children(self, act);
308 		break;
309 	}
310 	return (rv);
311 }
312 
313 void
314 eap1370_write_codec(struct eap_softc *sc, int a, int d)
315 {
316 	int icss, to;
317 
318 	to = EAP_WRITE_TIMEOUT;
319 	do {
320 		icss = EREAD4(sc, EAP_ICSS);
321 		DPRINTFN(5,("eap: codec %d prog: icss=0x%08x\n", a, icss));
322 		if (!to--) {
323 			printf("%s: timeout writing to codec\n",
324 			    sc->sc_dev.dv_xname);
325 			return;
326 		}
327 	} while (icss & EAP_CWRIP);  /* XXX could use CSTAT here */
328 	EWRITE4(sc, EAP_CODEC, EAP_SET_CODEC(a, d));
329 }
330 
331 /*
332  * Reading and writing the CODEC is very convoluted.  This mimics the
333  * FreeBSD and Linux drivers.
334  */
335 
336 static __inline void
337 eap1371_ready_codec(struct eap_softc *sc, u_int8_t a, u_int32_t wd)
338 {
339 	int to;
340 	u_int32_t src, t;
341 
342 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
343 		if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
344 			break;
345 		delay(1);
346 	}
347 	if (to == EAP_WRITE_TIMEOUT)
348 		printf("%s: eap1371_ready_codec timeout 1\n",
349 		    sc->sc_dev.dv_xname);
350 
351 	mtx_enter(&audio_lock);
352 	src = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
353 	EWRITE4(sc, E1371_SRC, src | E1371_SRC_STATE_OK);
354 
355 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
356 		t = EREAD4(sc, E1371_SRC);
357 		if ((t & E1371_SRC_STATE_MASK) == 0)
358 			break;
359 		delay(1);
360 	}
361 	if (to == EAP_READ_TIMEOUT)
362 		printf("%s: eap1371_ready_codec timeout 2\n",
363 		    sc->sc_dev.dv_xname);
364 
365 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
366 		t = EREAD4(sc, E1371_SRC);
367 		if ((t & E1371_SRC_STATE_MASK) == E1371_SRC_STATE_OK)
368 			break;
369 		delay(1);
370 	}
371 	if (to == EAP_READ_TIMEOUT)
372 		printf("%s: eap1371_ready_codec timeout 3\n",
373 		    sc->sc_dev.dv_xname);
374 
375 	EWRITE4(sc, E1371_CODEC, wd);
376 
377 	eap1371_src_wait(sc);
378 	EWRITE4(sc, E1371_SRC, src);
379 
380 	mtx_leave(&audio_lock);
381 }
382 
383 int
384 eap1371_read_codec(void *sc_, u_int8_t a, u_int16_t *d)
385 {
386 	struct eap_softc *sc = sc_;
387 	int to;
388 	u_int32_t t;
389 
390 	eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, 0) | E1371_CODEC_READ);
391 
392 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
393 		if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
394 			break;
395 		delay(1);
396 	}
397 	if (to == EAP_WRITE_TIMEOUT)
398 		printf("%s: eap1371_read_codec timeout 1\n",
399 		    sc->sc_dev.dv_xname);
400 
401 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
402 		t = EREAD4(sc, E1371_CODEC);
403 		if (t & E1371_CODEC_VALID)
404 			break;
405 		delay(1);
406 	}
407 	if (to == EAP_WRITE_TIMEOUT)
408 		printf("%s: eap1371_read_codec timeout 2\n",
409 		    sc->sc_dev.dv_xname);
410 
411 	*d = (u_int16_t)t;
412 
413 	DPRINTFN(10, ("eap1371: reading codec (%x) = %x\n", a, *d));
414 
415 	return (0);
416 }
417 
418 int
419 eap1371_write_codec(void *sc_, u_int8_t a, u_int16_t d)
420 {
421 	struct eap_softc *sc = sc_;
422 
423 	eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, d));
424 
425         DPRINTFN(10, ("eap1371: writing codec %x --> %x\n", d, a));
426 
427 	return (0);
428 }
429 
430 u_int32_t
431 eap1371_src_wait(struct eap_softc *sc)
432 {
433 	int to;
434 	u_int32_t src = 0;
435 
436 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
437 		src = EREAD4(sc, E1371_SRC);
438 		if (!(src & E1371_SRC_RBUSY))
439 			return (src);
440 		delay(1);
441 	}
442 	printf("%s: eap1371_src_wait timeout\n", sc->sc_dev.dv_xname);
443 	return (src);
444 }
445 
446 void
447 eap1371_src_write(struct eap_softc *sc, int a, int d)
448 {
449 	u_int32_t r;
450 
451 	r = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
452 	r |= E1371_SRC_RAMWE | E1371_SRC_ADDR(a) | E1371_SRC_DATA(d);
453 	EWRITE4(sc, E1371_SRC, r);
454 }
455 
456 void
457 eap_attach(struct device *parent, struct device *self, void *aux)
458 {
459 	struct eap_softc *sc = (struct eap_softc *)self;
460 	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
461 	pci_chipset_tag_t pc = pa->pa_pc;
462 	struct audio_hw_if *eap_hw_if;
463 	char const *intrstr;
464 	pci_intr_handle_t ih;
465 	mixer_ctrl_t ctl;
466 	int i;
467 	int revision;
468 
469 	/* Flag if we're "creative" */
470 	sc->sc_1371 = !(PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
471 	    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_AUDIOPCI);
472 
473 	revision = PCI_REVISION(pa->pa_class);
474 	if (sc->sc_1371) {
475 		if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
476 		    ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_AUDIOPCI97 &&
477 		    (revision == EAP_ES1373_8 || revision == EAP_CT5880_A)) ||
478 		    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_CT5880))
479 			sc->sc_ct5880 = 1;
480 	}
481 
482 	/* Map I/O register */
483 	if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
484 	    &sc->iot, &sc->ioh, NULL, NULL, 0)) {
485 		return;
486 	}
487 
488 	sc->sc_dmatag = pa->pa_dmat;
489 
490 	/* Map and establish the interrupt. */
491 	if (pci_intr_map(pa, &ih)) {
492 		printf(": couldn't map interrupt\n");
493 		return;
494 	}
495 	intrstr = pci_intr_string(pc, ih);
496 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO | IPL_MPSAFE,
497 	    eap_intr, sc, sc->sc_dev.dv_xname);
498 	if (sc->sc_ih == NULL) {
499 		printf(": couldn't establish interrupt");
500 		if (intrstr != NULL)
501 			printf(" at %s", intrstr);
502 		printf("\n");
503 		return;
504 	}
505 	printf(": %s\n", intrstr);
506 
507 	if (!sc->sc_1371) {
508 		/* Enable interrupts and looping mode. */
509 		/* enable the parts we need */
510 		EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
511 		EWRITE4(sc, EAP_ICSC, EAP_CDC_EN);
512 
513 		/* reset codec */
514 		/* normal operation */
515 		/* select codec clocks */
516 		eap1370_write_codec(sc, AK_RESET, AK_PD);
517 		eap1370_write_codec(sc, AK_RESET, AK_PD | AK_NRST);
518 		eap1370_write_codec(sc, AK_CS, 0x0);
519 
520 		eap_hw_if = &eap1370_hw_if;
521 
522 		/* Enable all relevant mixer switches. */
523 		ctl.dev = EAP_INPUT_SOURCE;
524 		ctl.type = AUDIO_MIXER_SET;
525 		ctl.un.mask = 1 << EAP_VOICE_VOL | 1 << EAP_FM_VOL |
526 		    1 << EAP_CD_VOL | 1 << EAP_LINE_VOL | 1 << EAP_AUX_VOL |
527 		    1 << EAP_MIC_VOL;
528 		eap_hw_if->set_port(sc, &ctl);
529 
530 		ctl.type = AUDIO_MIXER_VALUE;
531 		ctl.un.value.num_channels = 1;
532 		for (ctl.dev = EAP_MASTER_VOL; ctl.dev < EAP_MIC_VOL;
533 		     ctl.dev++) {
534 			ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = VOL_0DB;
535 			eap_hw_if->set_port(sc, &ctl);
536 		}
537 		ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = 0;
538 		eap_hw_if->set_port(sc, &ctl);
539 		ctl.dev = EAP_MIC_PREAMP;
540 		ctl.type = AUDIO_MIXER_ENUM;
541 		ctl.un.ord = 0;
542 		eap_hw_if->set_port(sc, &ctl);
543 		ctl.dev = EAP_RECORD_SOURCE;
544 		ctl.type = AUDIO_MIXER_SET;
545 		ctl.un.mask = 1 << EAP_MIC_VOL;
546 		eap_hw_if->set_port(sc, &ctl);
547 	} else {
548 		/* clean slate */
549 
550                 EWRITE4(sc, EAP_SIC, 0);
551 		EWRITE4(sc, EAP_ICSC, 0);
552 		EWRITE4(sc, E1371_LEGACY, 0);
553 
554 		if (sc->sc_ct5880) {
555 			EWRITE4(sc, EAP_ICSS, EAP_CT5880_AC97_RESET);
556 			/* Let codec wake up */
557 			delay(20000);
558 		}
559 
560                 /* Reset from es1371's perspective */
561                 EWRITE4(sc, EAP_ICSC, E1371_SYNC_RES);
562                 delay(20);
563                 EWRITE4(sc, EAP_ICSC, 0);
564 
565 		/*
566 		 * Must properly reprogram sample rate converter,
567 		 * or it locks up.
568 		 *
569 		 * We don't know how to program it (no documentation),
570 		 * and the linux/oss magic receipe doesn't work (breaks
571 		 * full-duplex, by selecting different play and record
572 		 * rates). On the other hand, the sample rate converter
573 		 * can't be disabled (disabling it would disable DMA),
574 		 * so we use these magic defaults that make it "resample"
575 		 * 48kHz to 48kHz without breaking full-duplex.
576 		 */
577 		EWRITE4(sc, E1371_SRC, E1371_SRC_DISABLE);
578 		for (i = 0; i < 0x80; i++)
579 			eap1371_src_write(sc, i, 0);
580 		eap1371_src_write(sc, ESRC_ADC + ESRC_TRUNC_N, ESRC_SET_N(16));
581 		eap1371_src_write(sc, ESRC_ADC + ESRC_IREGS, ESRC_SET_VFI(16));
582 		eap1371_src_write(sc, ESRC_ADC + ESRC_VFF, 0);
583 		eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(16));
584 		eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(16));
585 		eap1371_src_write(sc, ESRC_DAC1 + ESRC_TRUNC_N, ESRC_SET_N(16));
586 		eap1371_src_write(sc, ESRC_DAC1 + ESRC_IREGS, ESRC_SET_VFI(16));
587 		eap1371_src_write(sc, ESRC_DAC1 + ESRC_VFF, 0);
588 		eap1371_src_write(sc, ESRC_DAC1_VOLL, ESRC_SET_DAC_VOLI(1));
589 		eap1371_src_write(sc, ESRC_DAC1_VOLR, ESRC_SET_DAC_VOLI(1));
590 		eap1371_src_write(sc, ESRC_DAC2 + ESRC_IREGS, ESRC_SET_VFI(16));
591 		eap1371_src_write(sc, ESRC_DAC2 + ESRC_TRUNC_N, ESRC_SET_N(16));
592 		eap1371_src_write(sc, ESRC_DAC2 + ESRC_VFF, 0);
593 		eap1371_src_write(sc, ESRC_DAC2_VOLL, ESRC_SET_DAC_VOLI(1));
594 		eap1371_src_write(sc, ESRC_DAC2_VOLR, ESRC_SET_DAC_VOLI(1));
595 		EWRITE4(sc, E1371_SRC, 0);
596 
597 		/* Reset codec */
598 
599 		/* Interrupt enable */
600 		sc->host_if.arg = sc;
601 		sc->host_if.attach = eap1371_attach_codec;
602 		sc->host_if.read = eap1371_read_codec;
603 		sc->host_if.write = eap1371_write_codec;
604 		sc->host_if.reset = eap1371_reset_codec;
605 		sc->host_if.flags = eap_flags_codec;
606 		sc->flags = AC97_HOST_DONT_READ;
607 
608 		if (ac97_attach(&sc->host_if) == 0) {
609 			/* Interrupt enable */
610 			EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
611 		} else
612 			return;
613 
614 		eap_hw_if = &eap1371_hw_if;
615 	}
616 
617 	audio_attach_mi(eap_hw_if, sc, &sc->sc_dev);
618 #if NMIDI > 0
619 	sc->sc_mididev = midi_attach_mi(&eap_midi_hw_if, sc, &sc->sc_dev);
620 #endif
621 }
622 
623 int
624 eap_resume(struct eap_softc *sc)
625 {
626 	mixer_ctrl_t ctl;
627 	int i;
628 
629 	if (!sc->sc_1371) {
630 		/* Enable interrupts and looping mode. */
631 		/* enable the parts we need */
632 		EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
633 		EWRITE4(sc, EAP_ICSC, EAP_CDC_EN);
634 
635 		/* reset codec */
636 		/* normal operation */
637 		/* select codec clocks */
638 		eap1370_write_codec(sc, AK_RESET, AK_PD);
639 		eap1370_write_codec(sc, AK_RESET, AK_PD | AK_NRST);
640 		eap1370_write_codec(sc, AK_CS, 0x0);
641 
642 		bzero(&ctl, sizeof(ctl));
643 
644 		ctl.dev = EAP_RECORD_SOURCE;
645 		ctl.type = AUDIO_MIXER_SET;
646 		ctl.un.mask = sc->sc_record_source;
647 		eap1370_hw_if.set_port(sc, &ctl);
648 
649 		ctl.dev = EAP_INPUT_SOURCE;
650 		ctl.type = AUDIO_MIXER_SET;
651 		ctl.un.mask = sc->sc_input_source;
652 		eap1370_hw_if.set_port(sc, &ctl);
653 
654 		eap1370_set_mixer(sc, AK_MGAIN, sc->sc_mic_preamp);
655 
656 		for (i = EAP_MASTER_VOL; i < EAP_MIC_VOL; i++)
657 			eap1370_write_codec(sc, i, sc->sc_port[i]);
658 
659 	} else {
660 		/* clean slate */
661 
662 		EWRITE4(sc, EAP_SIC, 0);
663 		EWRITE4(sc, EAP_ICSC, 0);
664 		EWRITE4(sc, E1371_LEGACY, 0);
665 
666 		if (sc->sc_ct5880) {
667 			EWRITE4(sc, EAP_ICSS, EAP_CT5880_AC97_RESET);
668 			/* Let codec wake up */
669 			delay(20000);
670 		}
671 
672 		ac97_resume(&sc->host_if, sc->codec_if);
673 
674 		EWRITE4(sc, E1371_SRC, E1371_SRC_DISABLE);
675 		for (i = 0; i < 0x80; i++)
676 			eap1371_src_write(sc, i, 0);
677 		eap1371_src_write(sc, ESRC_ADC + ESRC_TRUNC_N, ESRC_SET_N(16));
678 		eap1371_src_write(sc, ESRC_ADC + ESRC_IREGS, ESRC_SET_VFI(16));
679 		eap1371_src_write(sc, ESRC_ADC + ESRC_VFF, 0);
680 		eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(16));
681 		eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(16));
682 		eap1371_src_write(sc, ESRC_DAC1 + ESRC_TRUNC_N, ESRC_SET_N(16));
683 		eap1371_src_write(sc, ESRC_DAC1 + ESRC_IREGS, ESRC_SET_VFI(16));
684 		eap1371_src_write(sc, ESRC_DAC1 + ESRC_VFF, 0);
685 		eap1371_src_write(sc, ESRC_DAC1_VOLL, ESRC_SET_DAC_VOLI(1));
686 		eap1371_src_write(sc, ESRC_DAC1_VOLR, ESRC_SET_DAC_VOLI(1));
687 		eap1371_src_write(sc, ESRC_DAC2 + ESRC_IREGS, ESRC_SET_VFI(16));
688 		eap1371_src_write(sc, ESRC_DAC2 + ESRC_TRUNC_N, ESRC_SET_N(16));
689 		eap1371_src_write(sc, ESRC_DAC2 + ESRC_VFF, 0);
690 		eap1371_src_write(sc, ESRC_DAC2_VOLL, ESRC_SET_DAC_VOLI(1));
691 		eap1371_src_write(sc, ESRC_DAC2_VOLR, ESRC_SET_DAC_VOLI(1));
692 		EWRITE4(sc, E1371_SRC, 0);
693 
694 		/* Interrupt enable */
695 		EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
696 	}
697 
698 	return (0);
699 }
700 
701 
702 int
703 eap1371_attach_codec(void *sc_, struct ac97_codec_if *codec_if)
704 {
705 	struct eap_softc *sc = sc_;
706 
707 	sc->codec_if = codec_if;
708 	return (0);
709 }
710 
711 void
712 eap1371_reset_codec(void *sc_)
713 {
714 	struct eap_softc *sc = sc_;
715 	u_int32_t icsc;
716 
717 	mtx_enter(&audio_lock);
718 	icsc = EREAD4(sc, EAP_ICSC);
719 	EWRITE4(sc, EAP_ICSC, icsc | E1371_SYNC_RES);
720 	delay(20);
721 	EWRITE4(sc, EAP_ICSC, icsc & ~E1371_SYNC_RES);
722 	delay(1);
723 	mtx_leave(&audio_lock);
724 
725 	return;
726 }
727 
728 int
729 eap_intr(void *p)
730 {
731 	struct eap_softc *sc = p;
732 	u_int32_t intr, sic;
733 
734 	mtx_enter(&audio_lock);
735 	intr = EREAD4(sc, EAP_ICSS);
736 	if (!(intr & EAP_INTR)) {
737 		mtx_leave(&audio_lock);
738 		return (0);
739 	}
740 	sic = EREAD4(sc, EAP_SIC);
741 	DPRINTFN(5, ("eap_intr: ICSS=0x%08x, SIC=0x%08x\n", intr, sic));
742 	if (intr & EAP_I_ADC) {
743 #if 0
744 		/*
745 		 * XXX This is a hack!
746 		 * The EAP chip sometimes generates the recording interrupt
747 		 * while it is still transferring the data.  To make sure
748 		 * it has all arrived we busy wait until the count is right.
749 		 * The transfer we are waiting for is 8 longwords.
750 		 */
751 		int s, nw, n;
752 
753 		EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
754 		s = EREAD4(sc, EAP_ADC_CSR);
755 		nw = ((s & 0xffff) + 1) >> 2; /* # of words in DMA */
756 		n = 0;
757 		while (((EREAD4(sc, EAP_ADC_SIZE) >> 16) + 8) % nw == 0) {
758 			delay(10);
759 			if (++n > 100) {
760 				printf("eapintr: dma fix timeout");
761 				break;
762 			}
763 		}
764 		/* Continue with normal interrupt handling. */
765 #endif
766 		EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
767 		EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
768 		if (sc->sc_rintr)
769 			sc->sc_rintr(sc->sc_rarg);
770 	}
771 	if (intr & EAP_I_DAC2) {
772 		EWRITE4(sc, EAP_SIC, sic & ~EAP_P2_INTR_EN);
773 		EWRITE4(sc, EAP_SIC, sic | EAP_P2_INTR_EN);
774 		if (sc->sc_pintr)
775 			sc->sc_pintr(sc->sc_parg);
776 	}
777 #if NMIDI > 0
778 	if (intr & EAP_I_UART) {
779 		u_int32_t data;
780 
781 		if (EREAD1(sc, EAP_UART_STATUS) & EAP_US_RXINT) {
782 			while (EREAD1(sc, EAP_UART_STATUS) & EAP_US_RXRDY) {
783 				data = EREAD1(sc, EAP_UART_DATA);
784 				if (sc->sc_iintr)
785 					sc->sc_iintr(sc->sc_arg, data);
786 			}
787 		}
788 		if (EREAD1(sc, EAP_UART_STATUS) & EAP_US_TXINT) {
789 			sc->sc_uctrl &= ~EAP_UC_TXINTEN;
790 			EWRITE1(sc, EAP_UART_CONTROL, sc->sc_uctrl);
791 			if (sc->sc_ointr)
792 				sc->sc_ointr(sc->sc_arg);
793 		}
794 	}
795 #endif
796 	mtx_leave(&audio_lock);
797 	return (1);
798 }
799 
800 int
801 eap_allocmem(struct eap_softc *sc, size_t size, size_t align, struct eap_dma *p)
802 {
803 	int error;
804 
805 	p->size = size;
806 	error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
807 	    p->segs, nitems(p->segs),
808 	    &p->nsegs, BUS_DMA_NOWAIT);
809 	if (error)
810 		return (error);
811 
812 	error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
813 	    &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
814 	if (error)
815 		goto free;
816 
817 	error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
818 	    0, BUS_DMA_NOWAIT, &p->map);
819 	if (error)
820 		goto unmap;
821 
822 	error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
823 	    BUS_DMA_NOWAIT);
824 	if (error)
825 		goto destroy;
826 	return (0);
827 
828 destroy:
829 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
830 unmap:
831 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
832 free:
833 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
834 	return (error);
835 }
836 
837 int
838 eap_freemem(struct eap_softc *sc, struct eap_dma *p)
839 {
840 	bus_dmamap_unload(sc->sc_dmatag, p->map);
841 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
842 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
843 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
844 	return (0);
845 }
846 
847 int
848 eap_open(void *addr, int flags)
849 {
850 	return (0);
851 }
852 
853 /*
854  * Close function is called at splaudio().
855  */
856 void
857 eap_close(void *addr)
858 {
859 	struct eap_softc *sc = addr;
860 
861 	eap_halt_output(sc);
862 	eap_halt_input(sc);
863 
864 	sc->sc_pintr = 0;
865 	sc->sc_rintr = 0;
866 }
867 
868 int
869 eap_query_encoding(void *addr, struct audio_encoding *fp)
870 {
871 	switch (fp->index) {
872 	case 0:
873 		strlcpy(fp->name, AudioEulinear, sizeof fp->name);
874 		fp->encoding = AUDIO_ENCODING_ULINEAR;
875 		fp->precision = 8;
876 		fp->flags = 0;
877 		break;
878 	case 1:
879 		strlcpy(fp->name, AudioEmulaw, sizeof fp->name);
880 		fp->encoding = AUDIO_ENCODING_ULAW;
881 		fp->precision = 8;
882 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
883 		break;
884 	case 2:
885 		strlcpy(fp->name, AudioEalaw, sizeof fp->name);
886 		fp->encoding = AUDIO_ENCODING_ALAW;
887 		fp->precision = 8;
888 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
889 		break;
890 	case 3:
891 		strlcpy(fp->name, AudioEslinear, sizeof fp->name);
892 		fp->encoding = AUDIO_ENCODING_SLINEAR;
893 		fp->precision = 8;
894 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
895 		break;
896 	case 4:
897 		strlcpy(fp->name, AudioEslinear_le, sizeof fp->name);
898 		fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
899 		fp->precision = 16;
900 		fp->flags = 0;
901 		break;
902 	case 5:
903 		strlcpy(fp->name, AudioEulinear_le, sizeof fp->name);
904 		fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
905 		fp->precision = 16;
906 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
907 		break;
908 	case 6:
909 		strlcpy(fp->name, AudioEslinear_be, sizeof fp->name);
910 		fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
911 		fp->precision = 16;
912 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
913 		break;
914 	case 7:
915 		strlcpy(fp->name, AudioEulinear_be, sizeof fp->name);
916 		fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
917 		fp->precision = 16;
918 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
919 		break;
920 	default:
921 		return (EINVAL);
922 	}
923 	fp->bps = AUDIO_BPS(fp->precision);
924 	fp->msb = 1;
925 
926 	return (0);
927 }
928 
929 void
930 eap_get_default_params(void *addr, int mode, struct audio_params *params)
931 {
932 	ac97_get_default_params(params);
933 }
934 
935 int
936 eap_set_params(void *addr, int setmode, int usemode,
937     struct audio_params *play, struct audio_params *rec)
938 {
939 	struct eap_softc *sc = addr;
940 	struct audio_params *p;
941 	int mode;
942 	u_int32_t div;
943 
944 	/*
945 	 * The es1370 only has one clock, so make the sample rates match.
946 	 */
947 	if (!sc->sc_1371) {
948 		if (play->sample_rate != rec->sample_rate &&
949 		    usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
950 			if (setmode == AUMODE_PLAY) {
951 				rec->sample_rate = play->sample_rate;
952 				setmode |= AUMODE_RECORD;
953 			} else if (setmode == AUMODE_RECORD) {
954 				play->sample_rate = rec->sample_rate;
955 				setmode |= AUMODE_PLAY;
956 			} else
957 				return (EINVAL);
958 		}
959 	}
960 
961 	for (mode = AUMODE_RECORD; mode != -1;
962 	    mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
963 		if ((setmode & mode) == 0)
964 			continue;
965 
966 		p = mode == AUMODE_PLAY ? play : rec;
967 
968 		if (sc->sc_1371)
969 			p->sample_rate = 48000;
970 		if (p->sample_rate < 4000)
971 			p->sample_rate = 4000;
972 		if (p->sample_rate > 48000)
973 			p->sample_rate = 48000;
974 		if (p->precision > 16)
975 			p->precision = 16;
976 		if (p->channels > 2)
977 			p->channels = 2;
978 		p->factor = 1;
979 		p->sw_code = 0;
980 		switch (p->encoding) {
981 		case AUDIO_ENCODING_SLINEAR_BE:
982 			if (p->precision == 16)
983 				p->sw_code = swap_bytes;
984 			else
985 				p->sw_code = change_sign8;
986 			break;
987 		case AUDIO_ENCODING_SLINEAR_LE:
988 			if (p->precision != 16)
989 				p->sw_code = change_sign8;
990 			break;
991 		case AUDIO_ENCODING_ULINEAR_BE:
992 			if (p->precision == 16) {
993 				if (mode == AUMODE_PLAY)
994 					p->sw_code = swap_bytes_change_sign16_le;
995 				else
996 					p->sw_code = change_sign16_swap_bytes_le;
997 			}
998 			break;
999 		case AUDIO_ENCODING_ULINEAR_LE:
1000 			if (p->precision == 16)
1001 				p->sw_code = change_sign16_le;
1002 			break;
1003 		case AUDIO_ENCODING_ULAW:
1004 			if (mode == AUMODE_PLAY) {
1005 				p->factor = 2;
1006 				p->sw_code = mulaw_to_slinear16_le;
1007 			} else
1008 				p->sw_code = ulinear8_to_mulaw;
1009 			break;
1010 		case AUDIO_ENCODING_ALAW:
1011 			if (mode == AUMODE_PLAY) {
1012 				p->factor = 2;
1013 				p->sw_code = alaw_to_slinear16_le;
1014 			} else
1015 				p->sw_code = ulinear8_to_alaw;
1016 			break;
1017 		default:
1018 			return (EINVAL);
1019 		}
1020 		p->bps = AUDIO_BPS(p->precision);
1021 		p->msb = 1;
1022 	}
1023 
1024 	if (!sc->sc_1371) {
1025 		/* Set the speed */
1026 		DPRINTFN(2, ("eap_set_params: old ICSC = 0x%08x\n",
1027 		    EREAD4(sc, EAP_ICSC)));
1028 		div = EREAD4(sc, EAP_ICSC) & ~EAP_PCLKBITS;
1029 		/*
1030 		 * XXX
1031 		 * The -2 isn't documented, but seemed to make the wall
1032 		 * time match
1033 		 * what I expect.  - mycroft
1034 		 */
1035 		if (usemode == AUMODE_RECORD)
1036 			div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ /
1037 			    rec->sample_rate - 2);
1038 		else
1039 			div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ /
1040 			    play->sample_rate - 2);
1041 		div |= EAP_CCB_INTRM;
1042 		EWRITE4(sc, EAP_ICSC, div);
1043 		DPRINTFN(2, ("eap_set_params: set ICSC = 0x%08x\n", div));
1044 	}
1045 
1046 	return (0);
1047 }
1048 
1049 int
1050 eap_round_blocksize(void *addr, int blk)
1051 {
1052 	return ((blk + 31) & -32);	/* keep good alignment */
1053 }
1054 
1055 int
1056 eap_trigger_output(
1057 	void *addr,
1058 	void *start,
1059 	void *end,
1060 	int blksize,
1061 	void (*intr)(void *),
1062 	void *arg,
1063 	struct audio_params *param)
1064 {
1065 	struct eap_softc *sc = addr;
1066 	struct eap_dma *p;
1067 	u_int32_t icsc, sic;
1068 	int sampshift;
1069 
1070 #ifdef DIAGNOSTIC
1071 	if (sc->sc_prun)
1072 		panic("eap_trigger_output: already running");
1073 	sc->sc_prun = 1;
1074 #endif
1075 
1076 	DPRINTFN(1, ("eap_trigger_output: sc=%p start=%p end=%p "
1077 	    "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1078 	sc->sc_pintr = intr;
1079 	sc->sc_parg = arg;
1080 	mtx_enter(&audio_lock);
1081 	sic = EREAD4(sc, EAP_SIC);
1082 	sic &= ~(EAP_P2_S_EB | EAP_P2_S_MB | EAP_INC_BITS);
1083 	sic |= EAP_SET_P2_ST_INC(0) | EAP_SET_P2_END_INC(param->precision * param->factor / 8);
1084 	sampshift = 0;
1085 	if (param->precision * param->factor == 16) {
1086 		sic |= EAP_P2_S_EB;
1087 		sampshift++;
1088 	}
1089 	if (param->channels == 2) {
1090 		sic |= EAP_P2_S_MB;
1091 		sampshift++;
1092 	}
1093 	EWRITE4(sc, EAP_SIC, sic & ~EAP_P2_INTR_EN);
1094 	EWRITE4(sc, EAP_SIC, sic | EAP_P2_INTR_EN);
1095 
1096 	for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1097 		;
1098 	if (!p) {
1099 		printf("eap_trigger_output: bad addr %p\n", start);
1100 		return (EINVAL);
1101 	}
1102 
1103 	DPRINTF(("eap_trigger_output: DAC2_ADDR=0x%x, DAC2_SIZE=0x%x\n",
1104 	    (int)DMAADDR(p),
1105 	    (int)EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1)));
1106 	EWRITE4(sc, EAP_MEMPAGE, EAP_DAC_PAGE);
1107 	EWRITE4(sc, EAP_DAC2_ADDR, DMAADDR(p));
1108 	EWRITE4(sc, EAP_DAC2_SIZE,
1109 	    EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1));
1110 
1111 	EWRITE4(sc, EAP_DAC2_CSR, (blksize >> sampshift) - 1);
1112 
1113 	if (sc->sc_1371)
1114 		EWRITE4(sc, E1371_SRC, 0);
1115 
1116 	icsc = EREAD4(sc, EAP_ICSC);
1117 	EWRITE4(sc, EAP_ICSC, icsc | EAP_DAC2_EN);
1118 
1119 	DPRINTFN(1, ("eap_trigger_output: set ICSC = 0x%08x\n", icsc));
1120 	mtx_leave(&audio_lock);
1121 	return (0);
1122 }
1123 
1124 int
1125 eap_trigger_input(
1126 	void *addr,
1127 	void *start,
1128 	void *end,
1129 	int blksize,
1130 	void (*intr)(void *),
1131 	void *arg,
1132 	struct audio_params *param)
1133 {
1134 	struct eap_softc *sc = addr;
1135 	struct eap_dma *p;
1136 	u_int32_t icsc, sic;
1137 	int sampshift;
1138 
1139 #ifdef DIAGNOSTIC
1140 	if (sc->sc_rrun)
1141 		panic("eap_trigger_input: already running");
1142 	sc->sc_rrun = 1;
1143 #endif
1144 
1145 	DPRINTFN(1, ("eap_trigger_input: sc=%p start=%p end=%p blksize=%d intr=%p(%p)\n",
1146 	    addr, start, end, blksize, intr, arg));
1147 	sc->sc_rintr = intr;
1148 	sc->sc_rarg = arg;
1149 	mtx_enter(&audio_lock);
1150 	sic = EREAD4(sc, EAP_SIC);
1151 	sic &= ~(EAP_R1_S_EB | EAP_R1_S_MB);
1152 	sampshift = 0;
1153 	if (param->precision * param->factor == 16) {
1154 		sic |= EAP_R1_S_EB;
1155 		sampshift++;
1156 	}
1157 	if (param->channels == 2) {
1158 		sic |= EAP_R1_S_MB;
1159 		sampshift++;
1160 	}
1161 	EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
1162 	EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
1163 
1164 	for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1165 		;
1166 	if (!p) {
1167 		printf("eap_trigger_input: bad addr %p\n", start);
1168 		return (EINVAL);
1169 	}
1170 
1171 	DPRINTF(("eap_trigger_input: ADC_ADDR=0x%x, ADC_SIZE=0x%x\n",
1172 	    (int)DMAADDR(p),
1173 	    (int)EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1)));
1174 	EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
1175 	EWRITE4(sc, EAP_ADC_ADDR, DMAADDR(p));
1176 	EWRITE4(sc, EAP_ADC_SIZE,
1177 	    EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1));
1178 
1179 	EWRITE4(sc, EAP_ADC_CSR, (blksize >> sampshift) - 1);
1180 
1181 	if (sc->sc_1371)
1182 		EWRITE4(sc, E1371_SRC, 0);
1183 
1184 	icsc = EREAD4(sc, EAP_ICSC);
1185 	EWRITE4(sc, EAP_ICSC, icsc | EAP_ADC_EN);
1186 
1187 	DPRINTFN(1, ("eap_trigger_input: set ICSC = 0x%08x\n", icsc));
1188 	mtx_leave(&audio_lock);
1189 	return (0);
1190 }
1191 
1192 int
1193 eap_halt_output(void *addr)
1194 {
1195 	struct eap_softc *sc = addr;
1196 	u_int32_t icsc;
1197 
1198 	DPRINTF(("eap: eap_halt_output\n"));
1199 	mtx_enter(&audio_lock);
1200 	icsc = EREAD4(sc, EAP_ICSC);
1201 	EWRITE4(sc, EAP_ICSC, icsc & ~EAP_DAC2_EN);
1202 #ifdef DIAGNOSTIC
1203 	sc->sc_prun = 0;
1204 #endif
1205 	mtx_leave(&audio_lock);
1206 	return (0);
1207 }
1208 
1209 int
1210 eap_halt_input(void *addr)
1211 {
1212 	struct eap_softc *sc = addr;
1213 	u_int32_t icsc;
1214 
1215 	DPRINTF(("eap: eap_halt_input\n"));
1216 	mtx_enter(&audio_lock);
1217 	icsc = EREAD4(sc, EAP_ICSC);
1218 	EWRITE4(sc, EAP_ICSC, icsc & ~EAP_ADC_EN);
1219 #ifdef DIAGNOSTIC
1220 	sc->sc_rrun = 0;
1221 #endif
1222 	mtx_leave(&audio_lock);
1223 	return (0);
1224 }
1225 
1226 int
1227 eap_getdev(void *addr, struct audio_device *retp)
1228 {
1229 	*retp = eap_device;
1230 	return (0);
1231 }
1232 
1233 int
1234 eap1371_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1235 {
1236 	struct eap_softc *sc = addr;
1237 
1238 	return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp));
1239 }
1240 
1241 int
1242 eap1371_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1243 {
1244 	struct eap_softc *sc = addr;
1245 
1246 	return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp));
1247 }
1248 
1249 int
1250 eap1371_query_devinfo(void *addr, mixer_devinfo_t *dip)
1251 {
1252 	struct eap_softc *sc = addr;
1253 
1254 	return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip));
1255 }
1256 
1257 void
1258 eap1370_set_mixer(struct eap_softc *sc, int a, int d)
1259 {
1260 	eap1370_write_codec(sc, a, d);
1261 
1262 	sc->sc_port[a] = d;
1263 	DPRINTFN(1, ("eap1370_mixer_set_port port 0x%02x = 0x%02x\n", a, d));
1264 }
1265 
1266 int
1267 eap1370_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1268 {
1269 	struct eap_softc *sc = addr;
1270 	int lval, rval, l, r, la, ra;
1271 	int l1, r1, l2, r2, m, o1, o2;
1272 
1273 	if (cp->dev == EAP_RECORD_SOURCE) {
1274 		if (cp->type != AUDIO_MIXER_SET)
1275 			return (EINVAL);
1276 		m = sc->sc_record_source = cp->un.mask;
1277 		l1 = l2 = r1 = r2 = 0;
1278 		if (m & (1 << EAP_VOICE_VOL))
1279 			l2 |= AK_M_VOICE, r2 |= AK_M_VOICE;
1280 		if (m & (1 << EAP_FM_VOL))
1281 			l1 |= AK_M_FM_L, r1 |= AK_M_FM_R;
1282 		if (m & (1 << EAP_CD_VOL))
1283 			l1 |= AK_M_CD_L, r1 |= AK_M_CD_R;
1284 		if (m & (1 << EAP_LINE_VOL))
1285 			l1 |= AK_M_LINE_L, r1 |= AK_M_LINE_R;
1286 		if (m & (1 << EAP_AUX_VOL))
1287 			l2 |= AK_M2_AUX_L, r2 |= AK_M2_AUX_R;
1288 		if (m & (1 << EAP_MIC_VOL))
1289 			l2 |= AK_M_TMIC, r2 |= AK_M_TMIC;
1290 		eap1370_set_mixer(sc, AK_IN_MIXER1_L, l1);
1291 		eap1370_set_mixer(sc, AK_IN_MIXER1_R, r1);
1292 		eap1370_set_mixer(sc, AK_IN_MIXER2_L, l2);
1293 		eap1370_set_mixer(sc, AK_IN_MIXER2_R, r2);
1294 		return (0);
1295 	}
1296 	if (cp->dev == EAP_INPUT_SOURCE) {
1297 		if (cp->type != AUDIO_MIXER_SET)
1298 			return (EINVAL);
1299 		m = sc->sc_input_source = cp->un.mask;
1300 		o1 = o2 = 0;
1301 		if (m & (1 << EAP_VOICE_VOL))
1302 			o2 |= AK_M_VOICE_L | AK_M_VOICE_R;
1303 		if (m & (1 << EAP_FM_VOL))
1304 			o1 |= AK_M_FM_L | AK_M_FM_R;
1305 		if (m & (1 << EAP_CD_VOL))
1306 			o1 |= AK_M_CD_L | AK_M_CD_R;
1307 		if (m & (1 << EAP_LINE_VOL))
1308 			o1 |= AK_M_LINE_L | AK_M_LINE_R;
1309 		if (m & (1 << EAP_AUX_VOL))
1310 			o2 |= AK_M_AUX_L | AK_M_AUX_R;
1311 		if (m & (1 << EAP_MIC_VOL))
1312 			o1 |= AK_M_MIC;
1313 		eap1370_set_mixer(sc, AK_OUT_MIXER1, o1);
1314 		eap1370_set_mixer(sc, AK_OUT_MIXER2, o2);
1315 		return (0);
1316 	}
1317 	if (cp->dev == EAP_MIC_PREAMP) {
1318 		if (cp->type != AUDIO_MIXER_ENUM)
1319 			return (EINVAL);
1320 		if (cp->un.ord != 0 && cp->un.ord != 1)
1321 			return (EINVAL);
1322 		sc->sc_mic_preamp = cp->un.ord;
1323 		eap1370_set_mixer(sc, AK_MGAIN, cp->un.ord);
1324 		return (0);
1325 	}
1326 	if (cp->type != AUDIO_MIXER_VALUE)
1327 		return (EINVAL);
1328 	if (cp->un.value.num_channels == 1)
1329 		lval = rval = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
1330 	else if (cp->un.value.num_channels == 2) {
1331 		lval = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
1332 		rval = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
1333 	} else
1334 		return (EINVAL);
1335 	ra = -1;
1336 	switch (cp->dev) {
1337 	case EAP_MASTER_VOL:
1338 		l = VOL_TO_ATT5(lval);
1339 		r = VOL_TO_ATT5(rval);
1340 		la = AK_MASTER_L;
1341 		ra = AK_MASTER_R;
1342 		break;
1343 	case EAP_MIC_VOL:
1344 		if (cp->un.value.num_channels != 1)
1345 			return (EINVAL);
1346 		la = AK_MIC;
1347 		goto lr;
1348 	case EAP_VOICE_VOL:
1349 		la = AK_VOICE_L;
1350 		ra = AK_VOICE_R;
1351 		goto lr;
1352 	case EAP_FM_VOL:
1353 		la = AK_FM_L;
1354 		ra = AK_FM_R;
1355 		goto lr;
1356 	case EAP_CD_VOL:
1357 		la = AK_CD_L;
1358 		ra = AK_CD_R;
1359 		goto lr;
1360 	case EAP_LINE_VOL:
1361 		la = AK_LINE_L;
1362 		ra = AK_LINE_R;
1363 		goto lr;
1364 	case EAP_AUX_VOL:
1365 		la = AK_AUX_L;
1366 		ra = AK_AUX_R;
1367 	lr:
1368 		l = VOL_TO_GAIN5(lval);
1369 		r = VOL_TO_GAIN5(rval);
1370 		break;
1371 	default:
1372 		return (EINVAL);
1373 	}
1374 	eap1370_set_mixer(sc, la, l);
1375 	if (ra >= 0) {
1376 		eap1370_set_mixer(sc, ra, r);
1377 	}
1378 	return (0);
1379 }
1380 
1381 int
1382 eap1370_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1383 {
1384 	struct eap_softc *sc = addr;
1385 	int la, ra, l, r;
1386 
1387 	switch (cp->dev) {
1388 	case EAP_RECORD_SOURCE:
1389 		if (cp->type != AUDIO_MIXER_SET)
1390 			return (EINVAL);
1391 		cp->un.mask = sc->sc_record_source;
1392 		return (0);
1393 	case EAP_INPUT_SOURCE:
1394 		if (cp->type != AUDIO_MIXER_SET)
1395 			return (EINVAL);
1396 		cp->un.mask = sc->sc_input_source;
1397 		return (0);
1398 	case EAP_MIC_PREAMP:
1399 		if (cp->type != AUDIO_MIXER_ENUM)
1400 			return (EINVAL);
1401 		cp->un.ord = sc->sc_mic_preamp;
1402 		return (0);
1403 	case EAP_MASTER_VOL:
1404 		l = ATT5_TO_VOL(sc->sc_port[AK_MASTER_L]);
1405 		r = ATT5_TO_VOL(sc->sc_port[AK_MASTER_R]);
1406 		break;
1407 	case EAP_MIC_VOL:
1408 		if (cp->un.value.num_channels != 1)
1409 			return (EINVAL);
1410 		la = ra = AK_MIC;
1411 		goto lr;
1412 	case EAP_VOICE_VOL:
1413 		la = AK_VOICE_L;
1414 		ra = AK_VOICE_R;
1415 		goto lr;
1416 	case EAP_FM_VOL:
1417 		la = AK_FM_L;
1418 		ra = AK_FM_R;
1419 		goto lr;
1420 	case EAP_CD_VOL:
1421 		la = AK_CD_L;
1422 		ra = AK_CD_R;
1423 		goto lr;
1424 	case EAP_LINE_VOL:
1425 		la = AK_LINE_L;
1426 		ra = AK_LINE_R;
1427 		goto lr;
1428 	case EAP_AUX_VOL:
1429 		la = AK_AUX_L;
1430 		ra = AK_AUX_R;
1431 	lr:
1432 		l = GAIN5_TO_VOL(sc->sc_port[la]);
1433 		r = GAIN5_TO_VOL(sc->sc_port[ra]);
1434 		break;
1435 	default:
1436 		return (EINVAL);
1437 	}
1438 	if (cp->un.value.num_channels == 1)
1439 		cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = (l+r) / 2;
1440 	else if (cp->un.value.num_channels == 2) {
1441 		cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]  = l;
1442 		cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
1443 	} else
1444 		return (EINVAL);
1445 	return (0);
1446 }
1447 
1448 int
1449 eap1370_query_devinfo(void *addr, mixer_devinfo_t *dip)
1450 {
1451 	switch (dip->index) {
1452 	case EAP_MASTER_VOL:
1453 		dip->type = AUDIO_MIXER_VALUE;
1454 		dip->mixer_class = EAP_OUTPUT_CLASS;
1455 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1456 		strlcpy(dip->label.name, AudioNmaster, sizeof dip->label.name);
1457 		dip->un.v.num_channels = 2;
1458 		strlcpy(dip->un.v.units.name, AudioNvolume,
1459 		    sizeof dip->un.v.units.name);
1460 		return (0);
1461 	case EAP_VOICE_VOL:
1462 		dip->type = AUDIO_MIXER_VALUE;
1463 		dip->mixer_class = EAP_INPUT_CLASS;
1464 		dip->prev = AUDIO_MIXER_LAST;
1465 		dip->next = AUDIO_MIXER_LAST;
1466 		strlcpy(dip->label.name, AudioNdac, sizeof dip->label.name);
1467 		dip->un.v.num_channels = 2;
1468 		strlcpy(dip->un.v.units.name, AudioNvolume,
1469 		    sizeof dip->un.v.units.name);
1470 		return (0);
1471 	case EAP_FM_VOL:
1472 		dip->type = AUDIO_MIXER_VALUE;
1473 		dip->mixer_class = EAP_INPUT_CLASS;
1474 		dip->prev = AUDIO_MIXER_LAST;
1475 		dip->next = AUDIO_MIXER_LAST;
1476 		strlcpy(dip->label.name, AudioNfmsynth,
1477 		    sizeof dip->label.name);
1478 		dip->un.v.num_channels = 2;
1479 		strlcpy(dip->un.v.units.name, AudioNvolume,
1480 		    sizeof dip->un.v.units.name);
1481 		return (0);
1482 	case EAP_CD_VOL:
1483 		dip->type = AUDIO_MIXER_VALUE;
1484 		dip->mixer_class = EAP_INPUT_CLASS;
1485 		dip->prev = AUDIO_MIXER_LAST;
1486 		dip->next = AUDIO_MIXER_LAST;
1487 		strlcpy(dip->label.name, AudioNcd, sizeof dip->label.name);
1488 		dip->un.v.num_channels = 2;
1489 		strlcpy(dip->un.v.units.name, AudioNvolume,
1490 		    sizeof dip->un.v.units.name);
1491 		return (0);
1492 	case EAP_LINE_VOL:
1493 		dip->type = AUDIO_MIXER_VALUE;
1494 		dip->mixer_class = EAP_INPUT_CLASS;
1495 		dip->prev = AUDIO_MIXER_LAST;
1496 		dip->next = AUDIO_MIXER_LAST;
1497 		strlcpy(dip->label.name, AudioNline, sizeof dip->label.name);
1498 		dip->un.v.num_channels = 2;
1499 		strlcpy(dip->un.v.units.name, AudioNvolume,
1500 		    sizeof dip->un.v.units.name);
1501 		return (0);
1502 	case EAP_AUX_VOL:
1503 		dip->type = AUDIO_MIXER_VALUE;
1504 		dip->mixer_class = EAP_INPUT_CLASS;
1505 		dip->prev = AUDIO_MIXER_LAST;
1506 		dip->next = AUDIO_MIXER_LAST;
1507 		strlcpy(dip->label.name, AudioNaux, sizeof dip->label.name);
1508 		dip->un.v.num_channels = 2;
1509 		strlcpy(dip->un.v.units.name, AudioNvolume,
1510 		    sizeof dip->un.v.units.name);
1511 		return (0);
1512 	case EAP_MIC_VOL:
1513 		dip->type = AUDIO_MIXER_VALUE;
1514 		dip->mixer_class = EAP_INPUT_CLASS;
1515 		dip->prev = AUDIO_MIXER_LAST;
1516 		dip->next = EAP_MIC_PREAMP;
1517 		strlcpy(dip->label.name, AudioNmicrophone,
1518 		    sizeof dip->label.name);
1519 		dip->un.v.num_channels = 1;
1520 		strlcpy(dip->un.v.units.name, AudioNvolume,
1521 		    sizeof dip->un.v.units.name);
1522 		return (0);
1523 	case EAP_RECORD_SOURCE:
1524 		dip->mixer_class = EAP_RECORD_CLASS;
1525 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1526 		strlcpy(dip->label.name, AudioNsource, sizeof dip->label.name);
1527 		dip->type = AUDIO_MIXER_SET;
1528 		dip->un.s.num_mem = 6;
1529 		strlcpy(dip->un.s.member[0].label.name, AudioNmicrophone,
1530 		    sizeof dip->un.s.member[0].label.name);
1531 		dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1532 		strlcpy(dip->un.s.member[1].label.name, AudioNcd,
1533 		    sizeof dip->un.s.member[1].label.name);
1534 		dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1535 		strlcpy(dip->un.s.member[2].label.name, AudioNline,
1536 		    sizeof dip->un.s.member[2].label.name);
1537 		dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1538 		strlcpy(dip->un.s.member[3].label.name, AudioNfmsynth,
1539 		    sizeof dip->un.s.member[3].label.name);
1540 		dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1541 		strlcpy(dip->un.s.member[4].label.name, AudioNaux,
1542 		    sizeof dip->un.s.member[4].label.name);
1543 		dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1544 		strlcpy(dip->un.s.member[5].label.name, AudioNdac,
1545 		    sizeof dip->un.s.member[5].label.name);
1546 		dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1547 		return (0);
1548 	case EAP_INPUT_SOURCE:
1549 		dip->mixer_class = EAP_INPUT_CLASS;
1550 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1551 		strlcpy(dip->label.name, AudioNsource, sizeof dip->label.name);
1552 		dip->type = AUDIO_MIXER_SET;
1553 		dip->un.s.num_mem = 6;
1554 		strlcpy(dip->un.s.member[0].label.name, AudioNmicrophone,
1555 		    sizeof dip->un.s.member[0].label.name);
1556 		dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1557 		strlcpy(dip->un.s.member[1].label.name, AudioNcd,
1558 		    sizeof dip->un.s.member[1].label.name);
1559 		dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1560 		strlcpy(dip->un.s.member[2].label.name, AudioNline,
1561 		    sizeof dip->un.s.member[2].label.name);
1562 		dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1563 		strlcpy(dip->un.s.member[3].label.name, AudioNfmsynth,
1564 		    sizeof dip->un.s.member[3].label.name);
1565 		dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1566 		strlcpy(dip->un.s.member[4].label.name, AudioNaux,
1567 		    sizeof dip->un.s.member[4].label.name);
1568 		dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1569 		strlcpy(dip->un.s.member[5].label.name, AudioNdac,
1570 		    sizeof dip->un.s.member[5].label.name);
1571 		dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1572 		return (0);
1573 	case EAP_MIC_PREAMP:
1574 		dip->type = AUDIO_MIXER_ENUM;
1575 		dip->mixer_class = EAP_INPUT_CLASS;
1576 		dip->prev = EAP_MIC_VOL;
1577 		dip->next = AUDIO_MIXER_LAST;
1578 		strlcpy(dip->label.name, AudioNpreamp, sizeof dip->label.name);
1579 		dip->un.e.num_mem = 2;
1580 		strlcpy(dip->un.e.member[0].label.name, AudioNoff,
1581 		    sizeof dip->un.e.member[0].label.name);
1582 		dip->un.e.member[0].ord = 0;
1583 		strlcpy(dip->un.e.member[1].label.name, AudioNon,
1584 		    sizeof dip->un.e.member[1].label.name);
1585 		dip->un.e.member[1].ord = 1;
1586 		return (0);
1587 	case EAP_OUTPUT_CLASS:
1588 		dip->type = AUDIO_MIXER_CLASS;
1589 		dip->mixer_class = EAP_OUTPUT_CLASS;
1590 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1591 		strlcpy(dip->label.name, AudioCoutputs,
1592 		    sizeof dip->label.name);
1593 		return (0);
1594 	case EAP_RECORD_CLASS:
1595 		dip->type = AUDIO_MIXER_CLASS;
1596 		dip->mixer_class = EAP_RECORD_CLASS;
1597 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1598 		strlcpy(dip->label.name, AudioCrecord, sizeof dip->label.name);
1599 		return (0);
1600 	case EAP_INPUT_CLASS:
1601 		dip->type = AUDIO_MIXER_CLASS;
1602 		dip->mixer_class = EAP_INPUT_CLASS;
1603 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1604 		strlcpy(dip->label.name, AudioCinputs, sizeof dip->label.name);
1605 		return (0);
1606 	}
1607 	return (ENXIO);
1608 }
1609 
1610 void *
1611 eap_malloc(void *addr, int direction, size_t size, int pool, int flags)
1612 {
1613 	struct eap_softc *sc = addr;
1614 	struct eap_dma *p;
1615 	int error;
1616 
1617 	p = malloc(sizeof(*p), pool, flags);
1618 	if (!p)
1619 		return (0);
1620 	error = eap_allocmem(sc, size, 16, p);
1621 	if (error) {
1622 		free(p, pool);
1623 		return (0);
1624 	}
1625 	p->next = sc->sc_dmas;
1626 	sc->sc_dmas = p;
1627 	return (KERNADDR(p));
1628 }
1629 
1630 void
1631 eap_free(void *addr, void *ptr, int pool)
1632 {
1633 	struct eap_softc *sc = addr;
1634 	struct eap_dma **pp, *p;
1635 
1636 	for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1637 		if (KERNADDR(p) == ptr) {
1638 			eap_freemem(sc, p);
1639 			*pp = p->next;
1640 			free(p, pool);
1641 			return;
1642 		}
1643 	}
1644 }
1645 
1646 paddr_t
1647 eap_mappage(void *addr, void *mem, off_t off, int prot)
1648 {
1649 	struct eap_softc *sc = addr;
1650 	struct eap_dma *p;
1651 
1652 	if (off < 0)
1653 		return (-1);
1654 	for (p = sc->sc_dmas; p && KERNADDR(p) != mem; p = p->next)
1655 		;
1656 	if (!p)
1657 		return (-1);
1658 	return (bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
1659 	    off, prot, BUS_DMA_WAITOK));
1660 }
1661 
1662 int
1663 eap_get_props(void *addr)
1664 {
1665 	return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
1666 	    AUDIO_PROP_FULLDUPLEX);
1667 }
1668 
1669 enum ac97_host_flags
1670 eap_flags_codec(void *v)
1671 {
1672       struct eap_softc *sc = v;
1673 
1674       return (sc->flags);
1675 }
1676 #if NMIDI > 0
1677 int
1678 eap_midi_open(void *addr, int flags,
1679     void (*iintr)(void *, int),
1680     void (*ointr)(void *),
1681     void *arg)
1682 {
1683 	struct eap_softc *sc = addr;
1684 
1685 	sc->sc_iintr = iintr;
1686 	sc->sc_ointr = ointr;
1687 	sc->sc_arg = arg;
1688 
1689 	EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) | EAP_UART_EN);
1690 	sc->sc_uctrl = 0;
1691 	if (flags & FREAD)
1692 		sc->sc_uctrl |= EAP_UC_RXINTEN;
1693 	EWRITE1(sc, EAP_UART_CONTROL, sc->sc_uctrl);
1694 
1695 	return (0);
1696 }
1697 
1698 void
1699 eap_midi_close(void *addr)
1700 {
1701 	struct eap_softc *sc = addr;
1702 
1703 	tsleep(sc, PWAIT, "eapclm", hz/10); /* give uart a chance to drain */
1704 	EWRITE1(sc, EAP_UART_CONTROL, 0);
1705 	EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) & ~EAP_UART_EN);
1706 
1707 	sc->sc_iintr = 0;
1708 	sc->sc_ointr = 0;
1709 }
1710 
1711 int
1712 eap_midi_output(void *addr, int d)
1713 {
1714 	struct eap_softc *sc = addr;
1715 
1716 	if (!(EREAD1(sc, EAP_UART_STATUS) & EAP_US_TXRDY))
1717 		return 0;
1718 	EWRITE1(sc, EAP_UART_DATA, d);
1719 	sc->sc_uctrl |= EAP_UC_TXINTEN;
1720 	EWRITE1(sc, EAP_UART_CONTROL, sc->sc_uctrl);
1721 	return 1;
1722 }
1723 
1724 void
1725 eap_midi_getinfo(void *addr, struct midi_info *mi)
1726 {
1727 	mi->name = "AudioPCI MIDI UART";
1728 	mi->props = MIDI_PROP_CAN_INPUT | MIDI_PROP_OUT_INTR;
1729 }
1730 
1731 #endif
1732