xref: /netbsd-src/sys/dev/pci/eap.c (revision 8a8f936f250a330d54f8a24ed0e92aadf9743a7b)
1 /*	$NetBSD: eap.c,v 1.47 2001/10/03 00:04:52 augustss Exp $	*/
2 /*      $OpenBSD: eap.c,v 1.6 1999/10/05 19:24:42 csapuntz 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  * 3. All advertising materials mentioning features or use of this software
20  *    must display the following acknowledgement:
21  *        This product includes software developed by the NetBSD
22  *        Foundation, Inc. and its contributors.
23  * 4. Neither the name of The NetBSD Foundation nor the names of its
24  *    contributors may be used to endorse or promote products derived
25  *    from this software without specific prior written permission.
26  *
27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37  * POSSIBILITY OF SUCH DAMAGE.
38  */
39 
40 /*
41  * Debugging:   Andreas Gustafsson <gson@araneus.fi>
42  * Testing:     Chuck Cranor       <chuck@maria.wustl.edu>
43  *              Phil Nelson        <phil@cs.wwu.edu>
44  *
45  * ES1371/AC97:	Ezra Story         <ezy@panix.com>
46  */
47 
48 /*
49  * Ensoniq ES1370 + AK4531 and ES1371/ES1373 + AC97
50  *
51  * Documentation links:
52  *
53  * ftp://ftp.alsa-project.org/pub/manuals/ensoniq/
54  * ftp://ftp.alsa-project.org/pub/manuals/asahi_kasei/4531.pdf
55  * ftp://download.intel.com/ial/scalableplatforms/audio/ac97r21.pdf
56  */
57 
58 #include "midi.h"
59 
60 #include <sys/param.h>
61 #include <sys/systm.h>
62 #include <sys/kernel.h>
63 #include <sys/fcntl.h>
64 #include <sys/malloc.h>
65 #include <sys/device.h>
66 #include <sys/proc.h>
67 
68 #include <dev/pci/pcidevs.h>
69 #include <dev/pci/pcivar.h>
70 
71 #include <sys/audioio.h>
72 #include <dev/audio_if.h>
73 #include <dev/midi_if.h>
74 #include <dev/mulaw.h>
75 #include <dev/auconv.h>
76 #include <dev/ic/ac97var.h>
77 
78 #include <machine/bus.h>
79 
80 #include <dev/pci/eapreg.h>
81 
82 #define	PCI_CBIO		0x10
83 
84 /* Debug */
85 #ifdef AUDIO_DEBUG
86 #define DPRINTF(x)	if (eapdebug) printf x
87 #define DPRINTFN(n,x)	if (eapdebug>(n)) printf x
88 int	eapdebug = 0;
89 #else
90 #define DPRINTF(x)
91 #define DPRINTFN(n,x)
92 #endif
93 
94 int	eap_match(struct device *, struct cfdata *, void *);
95 void	eap_attach(struct device *, struct device *, void *);
96 int	eap_intr(void *);
97 
98 struct eap_dma {
99 	bus_dmamap_t map;
100 	caddr_t addr;
101 	bus_dma_segment_t segs[1];
102 	int nsegs;
103 	size_t size;
104 	struct eap_dma *next;
105 };
106 
107 #define DMAADDR(p) ((p)->map->dm_segs[0].ds_addr)
108 #define KERNADDR(p) ((void *)((p)->addr))
109 
110 struct eap_softc {
111 	struct device sc_dev;		/* base device */
112 	void *sc_ih;			/* interrupt vectoring */
113 	bus_space_tag_t iot;
114 	bus_space_handle_t ioh;
115 	bus_dma_tag_t sc_dmatag;	/* DMA tag */
116 
117 	struct eap_dma *sc_dmas;
118 
119 	void	(*sc_pintr)(void *);	/* dma completion intr handler */
120 	void	*sc_parg;		/* arg for sc_intr() */
121 #ifdef DIAGNOSTIC
122 	char	sc_prun;
123 #endif
124 
125 	void	(*sc_rintr)(void *);	/* dma completion intr handler */
126 	void	*sc_rarg;		/* arg for sc_intr() */
127 #ifdef DIAGNOSTIC
128 	char	sc_rrun;
129 #endif
130 
131 #if NMIDI > 0
132 	void	(*sc_iintr)(void *, int); /* midi input ready handler */
133 	void	(*sc_ointr)(void *);	/* midi output ready handler */
134 	void	*sc_arg;
135 #endif
136 
137 	u_short	sc_port[AK_NPORTS];	/* mirror of the hardware setting */
138 	u_int	sc_record_source;	/* recording source mask */
139 	u_int	sc_output_source;	/* output source mask */
140 	u_int	sc_mic_preamp;
141 	char    sc_1371;		/* Using ES1371/AC97 codec */
142 
143 	struct ac97_codec_if *codec_if;
144 	struct ac97_host_if host_if;
145 };
146 
147 int	eap_allocmem(struct eap_softc *, size_t, size_t, struct eap_dma *);
148 int	eap_freemem(struct eap_softc *, struct eap_dma *);
149 
150 #define EWRITE1(sc, r, x) bus_space_write_1((sc)->iot, (sc)->ioh, (r), (x))
151 #define EWRITE2(sc, r, x) bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x))
152 #define EWRITE4(sc, r, x) bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x))
153 #define EREAD1(sc, r) bus_space_read_1((sc)->iot, (sc)->ioh, (r))
154 #define EREAD2(sc, r) bus_space_read_2((sc)->iot, (sc)->ioh, (r))
155 #define EREAD4(sc, r) bus_space_read_4((sc)->iot, (sc)->ioh, (r))
156 
157 struct cfattach eap_ca = {
158 	sizeof(struct eap_softc), eap_match, eap_attach
159 };
160 
161 int	eap_open(void *, int);
162 void	eap_close(void *);
163 int	eap_query_encoding(void *, struct audio_encoding *);
164 int	eap_set_params(void *, int, int, struct audio_params *, struct audio_params *);
165 int	eap_round_blocksize(void *, int);
166 int	eap_trigger_output(void *, void *, void *, int, void (*)(void *),
167 	    void *, struct audio_params *);
168 int	eap_trigger_input(void *, void *, void *, int, void (*)(void *),
169 	    void *, struct audio_params *);
170 int	eap_halt_output(void *);
171 int	eap_halt_input(void *);
172 void    eap1370_write_codec(struct eap_softc *, int, int);
173 int	eap_getdev(void *, struct audio_device *);
174 int	eap1370_mixer_set_port(void *, mixer_ctrl_t *);
175 int	eap1370_mixer_get_port(void *, mixer_ctrl_t *);
176 int	eap1371_mixer_set_port(void *, mixer_ctrl_t *);
177 int	eap1371_mixer_get_port(void *, mixer_ctrl_t *);
178 int	eap1370_query_devinfo(void *, mixer_devinfo_t *);
179 void   *eap_malloc(void *, int, size_t, int, int);
180 void	eap_free(void *, void *, int);
181 size_t	eap_round_buffersize(void *, int, size_t);
182 paddr_t	eap_mappage(void *, void *, off_t, int);
183 int	eap_get_props(void *);
184 void	eap1370_set_mixer(struct eap_softc *sc, int a, int d);
185 u_int32_t eap1371_src_wait(struct eap_softc *sc);
186 void 	eap1371_set_adc_rate(struct eap_softc *sc, int rate);
187 void 	eap1371_set_dac_rate(struct eap_softc *sc, int rate, int which);
188 int	eap1371_src_read(struct eap_softc *sc, int a);
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 int     eap1371_get_portnum_by_name(struct eap_softc *, char *, char *,
197 					 char *);
198 #if NMIDI > 0
199 void	eap_midi_close(void *);
200 void	eap_midi_getinfo(void *, struct midi_info *);
201 int	eap_midi_open(void *, int, void (*)(void *, int),
202 			   void (*)(void *), void *);
203 int	eap_midi_output(void *, int);
204 #endif
205 
206 struct audio_hw_if eap1370_hw_if = {
207 	eap_open,
208 	eap_close,
209 	NULL,
210 	eap_query_encoding,
211 	eap_set_params,
212 	eap_round_blocksize,
213 	NULL,
214 	NULL,
215 	NULL,
216 	NULL,
217 	NULL,
218 	eap_halt_output,
219 	eap_halt_input,
220 	NULL,
221 	eap_getdev,
222 	NULL,
223 	eap1370_mixer_set_port,
224 	eap1370_mixer_get_port,
225 	eap1370_query_devinfo,
226 	eap_malloc,
227 	eap_free,
228 	eap_round_buffersize,
229 	eap_mappage,
230 	eap_get_props,
231 	eap_trigger_output,
232 	eap_trigger_input,
233 	NULL,
234 };
235 
236 struct audio_hw_if eap1371_hw_if = {
237 	eap_open,
238 	eap_close,
239 	NULL,
240 	eap_query_encoding,
241 	eap_set_params,
242 	eap_round_blocksize,
243 	NULL,
244 	NULL,
245 	NULL,
246 	NULL,
247 	NULL,
248 	eap_halt_output,
249 	eap_halt_input,
250 	NULL,
251 	eap_getdev,
252 	NULL,
253 	eap1371_mixer_set_port,
254 	eap1371_mixer_get_port,
255 	eap1371_query_devinfo,
256 	eap_malloc,
257 	eap_free,
258 	eap_round_buffersize,
259 	eap_mappage,
260 	eap_get_props,
261 	eap_trigger_output,
262 	eap_trigger_input,
263 	NULL,
264 };
265 
266 #if NMIDI > 0
267 struct midi_hw_if eap_midi_hw_if = {
268 	eap_midi_open,
269 	eap_midi_close,
270 	eap_midi_output,
271 	eap_midi_getinfo,
272 	0,				/* ioctl */
273 };
274 #endif
275 
276 struct audio_device eap_device = {
277 	"Ensoniq AudioPCI",
278 	"",
279 	"eap"
280 };
281 
282 int
283 eap_match(struct device *parent, struct cfdata *match, void *aux)
284 {
285 	struct pci_attach_args *pa = (struct pci_attach_args *) aux;
286 
287 	switch (PCI_VENDOR(pa->pa_id)) {
288 	case PCI_VENDOR_CREATIVELABS:
289 		switch (PCI_PRODUCT(pa->pa_id)) {
290 		case PCI_PRODUCT_CREATIVELABS_EV1938:
291 			return (1);
292 		}
293 		break;
294 	case PCI_VENDOR_ENSONIQ:
295 		switch (PCI_PRODUCT(pa->pa_id)) {
296 		case PCI_PRODUCT_ENSONIQ_AUDIOPCI:
297 		case PCI_PRODUCT_ENSONIQ_AUDIOPCI97:
298 		case PCI_PRODUCT_ENSONIQ_CT5880:
299 			return (1);
300 		}
301 		break;
302 	}
303 
304 	return (0);
305 }
306 
307 void
308 eap1370_write_codec(struct eap_softc *sc, int a, int d)
309 {
310 	int icss, to;
311 
312 	to = EAP_WRITE_TIMEOUT;
313 	do {
314 		icss = EREAD4(sc, EAP_ICSS);
315 		DPRINTFN(5,("eap: codec %d prog: icss=0x%08x\n", a, icss));
316 		if (!to--) {
317 			printf("eap: timeout writing to codec\n");
318 			return;
319 		}
320 	} while(icss & EAP_CWRIP);  /* XXX could use CSTAT here */
321 	EWRITE4(sc, EAP_CODEC, EAP_SET_CODEC(a, d));
322 }
323 
324 /*
325  * Reading and writing the CODEC is very convoluted.  This mimics the
326  * FreeBSD and Linux drivers.
327  */
328 
329 static __inline void
330 eap1371_ready_codec(struct eap_softc *sc, u_int8_t a, u_int32_t wd)
331 {
332 	int to, s;
333 	u_int32_t src, t;
334 
335 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
336 		if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
337 			break;
338 		delay(1);
339 	}
340 	if (to >= EAP_WRITE_TIMEOUT)
341 		printf("%s: eap1371_ready_codec timeout 1\n",
342 		       sc->sc_dev.dv_xname);
343 
344 	s = splaudio();
345 	src = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
346 	EWRITE4(sc, E1371_SRC, src | E1371_SRC_STATE_OK);
347 
348 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
349 		t = EREAD4(sc, E1371_SRC);
350 		if ((t & E1371_SRC_STATE_MASK) == 0)
351 			break;
352 		delay(1);
353 	}
354 	if (to >= EAP_READ_TIMEOUT)
355 		printf("%s: eap1371_ready_codec timeout 2\n",
356 		       sc->sc_dev.dv_xname);
357 
358 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
359 		t = EREAD4(sc, E1371_SRC);
360 		if ((t & E1371_SRC_STATE_MASK) == E1371_SRC_STATE_OK)
361 			break;
362 		delay(1);
363 	}
364 	if (to >= EAP_READ_TIMEOUT)
365 		printf("%s: eap1371_ready_codec timeout 3\n",
366 		       sc->sc_dev.dv_xname);
367 
368 	EWRITE4(sc, E1371_CODEC, wd);
369 
370 	eap1371_src_wait(sc);
371 	EWRITE4(sc, E1371_SRC, src);
372 
373 	splx(s);
374 }
375 
376 int
377 eap1371_read_codec(void *sc_, u_int8_t a, u_int16_t *d)
378 {
379 	struct eap_softc *sc = sc_;
380 	int to;
381 	u_int32_t t;
382 
383 	eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, 0) | E1371_CODEC_READ);
384 
385 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
386 		if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
387 			break;
388 	}
389 	if (to > EAP_WRITE_TIMEOUT)
390 		printf("%s: eap1371_read_codec timeout 1\n",
391 		       sc->sc_dev.dv_xname);
392 
393 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
394 		t = EREAD4(sc, E1371_CODEC);
395 		if (t & E1371_CODEC_VALID)
396 			break;
397 	}
398 	if (to > EAP_WRITE_TIMEOUT)
399 		printf("%s: eap1371_read_codec timeout 2\n",
400 		       sc->sc_dev.dv_xname);
401 
402 	*d = (u_int16_t)t;
403 
404 	DPRINTFN(10, ("eap1371: reading codec (%x) = %x\n", a, *d));
405 
406 	return (0);
407 }
408 
409 int
410 eap1371_write_codec(void *sc_, u_int8_t a, u_int16_t d)
411 {
412 	struct eap_softc *sc = sc_;
413 
414 	eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, d));
415 
416         DPRINTFN(10, ("eap1371: writing codec %x --> %x\n", d, a));
417 
418 	return (0);
419 }
420 
421 u_int32_t
422 eap1371_src_wait(struct eap_softc *sc)
423 {
424 	int to;
425 	u_int32_t src;
426 
427 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
428 		src = EREAD4(sc, E1371_SRC);
429 		if (!(src & E1371_SRC_RBUSY))
430 			return (src);
431 		delay(1);
432 	}
433 	printf("%s: eap1371_src_wait timeout\n", sc->sc_dev.dv_xname);
434 	return (src);
435 }
436 
437 int
438 eap1371_src_read(struct eap_softc *sc, int a)
439 {
440 	int to;
441 	u_int32_t src, t;
442 
443 	src = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
444 	src |= E1371_SRC_ADDR(a);
445 	EWRITE4(sc, E1371_SRC, src | E1371_SRC_STATE_OK);
446 
447 	if ((eap1371_src_wait(sc) & E1371_SRC_STATE_MASK) != E1371_SRC_STATE_OK) {
448 		for (to = 0; to < EAP_READ_TIMEOUT; to++) {
449 			t = EREAD4(sc, E1371_SRC);
450 			if ((t & E1371_SRC_STATE_MASK) == E1371_SRC_STATE_OK)
451 				break;
452 			delay(1);
453 		}
454 	}
455 
456 	EWRITE4(sc, E1371_SRC, src);
457 
458 	return t & E1371_SRC_DATAMASK;
459 }
460 
461 void
462 eap1371_src_write(struct eap_softc *sc, int a, int d)
463 {
464 	u_int32_t r;
465 
466 	r = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
467 	r |= E1371_SRC_RAMWE | E1371_SRC_ADDR(a) | E1371_SRC_DATA(d);
468 	EWRITE4(sc, E1371_SRC, r);
469 }
470 
471 void
472 eap1371_set_adc_rate(struct eap_softc *sc, int rate)
473 {
474 	int freq, n, truncm;
475 	int out;
476 	int s;
477 
478 	/* Whatever, it works, so I'll leave it :) */
479 
480 	if (rate > 48000)
481 		rate = 48000;
482 	if (rate < 4000)
483 		rate = 4000;
484 	n = rate / 3000;
485 	if ((1 << n) & SRC_MAGIC)
486 		n--;
487 	truncm = ((21 * n) - 1) | 1;
488 	freq = ((48000 << 15) / rate) * n;
489 	if (rate >= 24000) {
490 		if (truncm > 239)
491 			truncm = 239;
492 		out = ESRC_SET_TRUNC((239 - truncm) / 2);
493 	} else {
494 		if (truncm > 119)
495 			truncm = 119;
496 		out = ESRC_SMF | ESRC_SET_TRUNC((119 - truncm) / 2);
497 	}
498  	out |= ESRC_SET_N(n);
499 	s = splaudio();
500 	eap1371_src_write(sc, ESRC_ADC+ESRC_TRUNC_N, out);
501 
502 
503 	out = eap1371_src_read(sc, ESRC_ADC+ESRC_IREGS) & 0xff;
504 	eap1371_src_write(sc, ESRC_ADC+ESRC_IREGS, out |
505 			  ESRC_SET_VFI(freq >> 15));
506 	eap1371_src_write(sc, ESRC_ADC+ESRC_VFF, freq & 0x7fff);
507 	eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(n));
508 	eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(n));
509 	splx(s);
510 }
511 
512 void
513 eap1371_set_dac_rate(struct eap_softc *sc, int rate, int which)
514 {
515 	int dac = which == 1 ? ESRC_DAC1 : ESRC_DAC2;
516 	int freq, r;
517 	int s;
518 
519 	/* Whatever, it works, so I'll leave it :) */
520 
521 	if (rate > 48000)
522 	    rate = 48000;
523 	if (rate < 4000)
524 	    rate = 4000;
525 	freq = ((rate << 15) + 1500) / 3000;
526 
527 	s = splaudio();
528 	eap1371_src_wait(sc);
529 	r = EREAD4(sc, E1371_SRC) & (E1371_SRC_DISABLE |
530 	    E1371_SRC_DISP2 | E1371_SRC_DISP1 | E1371_SRC_DISREC);
531 	r |= (which == 1) ? E1371_SRC_DISP1 : E1371_SRC_DISP2;
532 	EWRITE4(sc, E1371_SRC, r);
533 	r = eap1371_src_read(sc, dac + ESRC_IREGS) & 0x00ff;
534 	eap1371_src_write(sc, dac + ESRC_IREGS, r | ((freq >> 5) & 0xfc00));
535 	eap1371_src_write(sc, dac + ESRC_VFF, freq & 0x7fff);
536 	r = EREAD4(sc, E1371_SRC) & (E1371_SRC_DISABLE |
537 	    E1371_SRC_DISP2 | E1371_SRC_DISP1 | E1371_SRC_DISREC);
538 	r &= ~(which == 1 ? E1371_SRC_DISP1 : E1371_SRC_DISP2);
539 	EWRITE4(sc, E1371_SRC, r);
540 	splx(s);
541 }
542 
543 void
544 eap_attach(struct device *parent, struct device *self, void *aux)
545 {
546 	struct eap_softc *sc = (struct eap_softc *)self;
547 	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
548 	pci_chipset_tag_t pc = pa->pa_pc;
549 	struct audio_hw_if *eap_hw_if;
550 	char const *intrstr;
551 	pci_intr_handle_t ih;
552 	pcireg_t csr;
553 	char devinfo[256];
554 	mixer_ctrl_t ctl;
555 	int i;
556 	int revision, ct5880;
557 	const char *revstr = "";
558 
559 	/* Flag if we're "creative" */
560 	sc->sc_1371 = !(PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
561 			PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_AUDIOPCI);
562 
563 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
564 	revision = PCI_REVISION(pa->pa_class);
565 	if (sc->sc_1371) {
566 		ct5880 = 0;
567 		if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
568 		    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_CT5880)
569 			ct5880 = 1;
570 		switch (revision) {
571 		case EAP_EV1938_A: revstr = "EV1938A "; break;
572 		case EAP_CT5880_C: revstr = "CT5880C "; ct5880 = 1; break;
573 		case EAP_ES1373_A: revstr = "ES1373A "; break;
574 		case EAP_ES1373_B: revstr = "ES1373B "; break;
575 		case EAP_CT5880_A: revstr = "CT5880A "; ct5880 = 1; break;
576 		case EAP_ES1371_B: revstr = "ES1371B "; break;
577 		}
578 	}
579 	printf(": %s %s(rev. 0x%02x)\n", devinfo, revstr, revision);
580 
581 	/* Map I/O register */
582 	if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
583 	      &sc->iot, &sc->ioh, NULL, NULL)) {
584 		printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
585 		return;
586 	}
587 
588 	sc->sc_dmatag = pa->pa_dmat;
589 
590 	/* Enable the device. */
591 	csr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
592 	pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
593 		       csr | PCI_COMMAND_MASTER_ENABLE);
594 
595 	/* Map and establish the interrupt. */
596 	if (pci_intr_map(pa, &ih)) {
597 		printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
598 		return;
599 	}
600 	intrstr = pci_intr_string(pc, ih);
601 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, eap_intr, sc);
602 	if (sc->sc_ih == NULL) {
603 		printf("%s: couldn't establish interrupt",
604 		    sc->sc_dev.dv_xname);
605 		if (intrstr != NULL)
606 			printf(" at %s", intrstr);
607 		printf("\n");
608 		return;
609 	}
610 	printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
611 
612 	if (!sc->sc_1371) {
613 		/* Enable interrupts and looping mode. */
614 		/* enable the parts we need */
615 		EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
616 		EWRITE4(sc, EAP_ICSC, EAP_CDC_EN);
617 
618 		/* reset codec */
619 		/* normal operation */
620 		/* select codec clocks */
621 		eap1370_write_codec(sc, AK_RESET, AK_PD);
622 		eap1370_write_codec(sc, AK_RESET, AK_PD | AK_NRST);
623 		eap1370_write_codec(sc, AK_CS, 0x0);
624 
625 		eap_hw_if = &eap1370_hw_if;
626 
627 		/* Enable all relevant mixer switches. */
628 		ctl.dev = EAP_OUTPUT_SELECT;
629 		ctl.type = AUDIO_MIXER_SET;
630 		ctl.un.mask = 1 << EAP_VOICE_VOL | 1 << EAP_FM_VOL |
631 			1 << EAP_CD_VOL | 1 << EAP_LINE_VOL | 1 << EAP_AUX_VOL |
632 			1 << EAP_MIC_VOL;
633 		eap_hw_if->set_port(sc, &ctl);
634 
635 		ctl.type = AUDIO_MIXER_VALUE;
636 		ctl.un.value.num_channels = 1;
637 		for (ctl.dev = EAP_MASTER_VOL; ctl.dev < EAP_MIC_VOL;
638 		     ctl.dev++) {
639 			ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = VOL_0DB;
640 			eap_hw_if->set_port(sc, &ctl);
641 		}
642 		ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = 0;
643 		eap_hw_if->set_port(sc, &ctl);
644 		ctl.dev = EAP_MIC_PREAMP;
645 		ctl.type = AUDIO_MIXER_ENUM;
646 		ctl.un.ord = 0;
647 		eap_hw_if->set_port(sc, &ctl);
648 		ctl.dev = EAP_RECORD_SOURCE;
649 		ctl.type = AUDIO_MIXER_SET;
650 		ctl.un.mask = 1 << EAP_MIC_VOL;
651 		eap_hw_if->set_port(sc, &ctl);
652 	} else {
653 		/* clean slate */
654 
655                 EWRITE4(sc, EAP_SIC, 0);
656 		EWRITE4(sc, EAP_ICSC, 0);
657 		EWRITE4(sc, E1371_LEGACY, 0);
658 
659 		if (ct5880) {
660 			EWRITE4(sc, EAP_ICSS, EAP_CT5880_AC97_RESET);
661 			/* Let codec wake up */
662 			tsleep(sc, PRIBIO, "eapcdc", hz / 20);
663 		}
664 
665                 /* Reset from es1371's perspective */
666                 EWRITE4(sc, EAP_ICSC, E1371_SYNC_RES);
667                 delay(20);
668                 EWRITE4(sc, EAP_ICSC, 0);
669 
670 		/*
671 		 * Must properly reprogram sample rate converter,
672 		 * or it locks up.  Set some defaults for the life of the
673 		 * machine, and set up a sb default sample rate.
674 		 */
675 		EWRITE4(sc, E1371_SRC, E1371_SRC_DISABLE);
676 		for (i = 0; i < 0x80; i++)
677 			eap1371_src_write(sc, i, 0);
678 		eap1371_src_write(sc, ESRC_DAC1+ESRC_TRUNC_N, ESRC_SET_N(16));
679 		eap1371_src_write(sc, ESRC_DAC2+ESRC_TRUNC_N, ESRC_SET_N(16));
680 		eap1371_src_write(sc, ESRC_DAC1+ESRC_IREGS, ESRC_SET_VFI(16));
681 		eap1371_src_write(sc, ESRC_DAC2+ESRC_IREGS, ESRC_SET_VFI(16));
682 		eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(16));
683 		eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(16));
684 		eap1371_src_write(sc, ESRC_DAC1_VOLL, ESRC_SET_DAC_VOLI(1));
685 		eap1371_src_write(sc, ESRC_DAC1_VOLR, ESRC_SET_DAC_VOLI(1));
686 		eap1371_src_write(sc, ESRC_DAC2_VOLL, ESRC_SET_DAC_VOLI(1));
687 		eap1371_src_write(sc, ESRC_DAC2_VOLR, ESRC_SET_DAC_VOLI(1));
688 		eap1371_set_adc_rate(sc, 22050);
689 		eap1371_set_dac_rate(sc, 22050, 1);
690 		eap1371_set_dac_rate(sc, 22050, 2);
691 
692 		EWRITE4(sc, E1371_SRC, 0);
693 
694 		/* Reset codec */
695 
696 		/* Interrupt enable */
697 		sc->host_if.arg = sc;
698 		sc->host_if.attach = eap1371_attach_codec;
699 		sc->host_if.read = eap1371_read_codec;
700 		sc->host_if.write = eap1371_write_codec;
701 		sc->host_if.reset = eap1371_reset_codec;
702 
703 		if (ac97_attach(&sc->host_if) == 0) {
704 			/* Interrupt enable */
705 			EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
706 		} else
707 			return;
708 
709 		eap_hw_if = &eap1371_hw_if;
710 
711 		/* Just enable the DAC and master volumes by default */
712 		ctl.type = AUDIO_MIXER_ENUM;
713 		ctl.un.ord = 0;  /* off */
714 		ctl.dev = eap1371_get_portnum_by_name(sc, AudioCoutputs,
715 		       AudioNmaster, AudioNmute);
716 		eap1371_mixer_set_port(sc, &ctl);
717 		ctl.dev = eap1371_get_portnum_by_name(sc, AudioCinputs,
718 		       AudioNdac, AudioNmute);
719 		eap1371_mixer_set_port(sc, &ctl);
720 		ctl.dev = eap1371_get_portnum_by_name(sc, AudioCrecord,
721 		       AudioNvolume, AudioNmute);
722 		eap1371_mixer_set_port(sc, &ctl);
723 
724 		ctl.dev = eap1371_get_portnum_by_name(sc, AudioCrecord,
725 		       AudioNsource, NULL);
726 		ctl.type = AUDIO_MIXER_ENUM;
727 		ctl.un.ord = 0;
728 		eap1371_mixer_set_port(sc, &ctl);
729 
730 	}
731 
732 	audio_attach_mi(eap_hw_if, sc, &sc->sc_dev);
733 
734 #if NMIDI > 0
735 	midi_attach_mi(&eap_midi_hw_if, sc, &sc->sc_dev);
736 #endif
737 }
738 
739 int
740 eap1371_attach_codec(void *sc_, struct ac97_codec_if *codec_if)
741 {
742 	struct eap_softc *sc = sc_;
743 
744 	sc->codec_if = codec_if;
745 	return (0);
746 }
747 
748 void
749 eap1371_reset_codec(void *sc_)
750 {
751 	struct eap_softc *sc = sc_;
752 	u_int32_t icsc;
753 	int s;
754 
755 	s = splaudio();
756 	icsc = EREAD4(sc, EAP_ICSC);
757 	EWRITE4(sc, EAP_ICSC, icsc | E1371_SYNC_RES);
758 	delay(20);
759 	EWRITE4(sc, EAP_ICSC, icsc & ~E1371_SYNC_RES);
760 	delay(1);
761 	splx(s);
762 
763 	return;
764 }
765 
766 int
767 eap_intr(void *p)
768 {
769 	struct eap_softc *sc = p;
770 	u_int32_t intr, sic;
771 
772 	intr = EREAD4(sc, EAP_ICSS);
773 	if (!(intr & EAP_INTR))
774 		return (0);
775 	sic = EREAD4(sc, EAP_SIC);
776 	DPRINTFN(5, ("eap_intr: ICSS=0x%08x, SIC=0x%08x\n", intr, sic));
777 	if (intr & EAP_I_ADC) {
778 #if 0
779 		/*
780 		 * XXX This is a hack!
781 		 * The EAP chip sometimes generates the recording interrupt
782 		 * while it is still transferring the data.  To make sure
783 		 * it has all arrived we busy wait until the count is right.
784 		 * The transfer we are waiting for is 8 longwords.
785 		 */
786 		int s, nw, n;
787 		EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
788 		s = EREAD4(sc, EAP_ADC_CSR);
789 		nw = ((s & 0xffff) + 1) >> 2; /* # of words in DMA */
790 		n = 0;
791 		while (((EREAD4(sc, EAP_ADC_SIZE) >> 16) + 8) % nw == 0) {
792 			delay(10);
793 			if (++n > 100) {
794 				printf("eapintr: dma fix timeout");
795 				break;
796 			}
797 		}
798 		/* Continue with normal interrupt handling. */
799 #endif
800 		EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
801 		EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
802 		if (sc->sc_rintr)
803 			sc->sc_rintr(sc->sc_rarg);
804 	}
805 	if (intr & EAP_I_DAC2) {
806 		EWRITE4(sc, EAP_SIC, sic & ~EAP_P2_INTR_EN);
807 		EWRITE4(sc, EAP_SIC, sic | EAP_P2_INTR_EN);
808 		if (sc->sc_pintr)
809 			sc->sc_pintr(sc->sc_parg);
810 	}
811 #if NMIDI > 0
812 	if ((intr & EAP_I_UART) && sc->sc_iintr != NULL) {
813 		u_int32_t data;
814 
815 		if (EREAD1(sc, EAP_UART_STATUS) & EAP_US_RXINT) {
816 			while (EREAD1(sc, EAP_UART_STATUS) & EAP_US_RXRDY) {
817 				data = EREAD1(sc, EAP_UART_DATA);
818 				sc->sc_iintr(sc->sc_arg, data);
819 			}
820 		}
821 	}
822 #endif
823 	return (1);
824 }
825 
826 int
827 eap_allocmem(struct eap_softc *sc, size_t size, size_t align, struct eap_dma *p)
828 {
829 	int error;
830 
831 	p->size = size;
832 	error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
833 				 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
834 				 &p->nsegs, BUS_DMA_NOWAIT);
835 	if (error)
836 		return (error);
837 
838 	error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
839 			       &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
840 	if (error)
841 		goto free;
842 
843 	error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
844 				  0, BUS_DMA_NOWAIT, &p->map);
845 	if (error)
846 		goto unmap;
847 
848 	error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
849 				BUS_DMA_NOWAIT);
850 	if (error)
851 		goto destroy;
852 	return (0);
853 
854 destroy:
855 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
856 unmap:
857 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
858 free:
859 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
860 	return (error);
861 }
862 
863 int
864 eap_freemem(struct eap_softc *sc, struct eap_dma *p)
865 {
866 	bus_dmamap_unload(sc->sc_dmatag, p->map);
867 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
868 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
869 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
870 	return (0);
871 }
872 
873 int
874 eap_open(void *addr, int flags)
875 {
876 	return (0);
877 }
878 
879 /*
880  * Close function is called at splaudio().
881  */
882 void
883 eap_close(void *addr)
884 {
885 	struct eap_softc *sc = addr;
886 
887 	eap_halt_output(sc);
888 	eap_halt_input(sc);
889 
890 	sc->sc_pintr = 0;
891 	sc->sc_rintr = 0;
892 }
893 
894 int
895 eap_query_encoding(void *addr, struct audio_encoding *fp)
896 {
897 	switch (fp->index) {
898 	case 0:
899 		strcpy(fp->name, AudioEulinear);
900 		fp->encoding = AUDIO_ENCODING_ULINEAR;
901 		fp->precision = 8;
902 		fp->flags = 0;
903 		return (0);
904 	case 1:
905 		strcpy(fp->name, AudioEmulaw);
906 		fp->encoding = AUDIO_ENCODING_ULAW;
907 		fp->precision = 8;
908 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
909 		return (0);
910 	case 2:
911 		strcpy(fp->name, AudioEalaw);
912 		fp->encoding = AUDIO_ENCODING_ALAW;
913 		fp->precision = 8;
914 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
915 		return (0);
916 	case 3:
917 		strcpy(fp->name, AudioEslinear);
918 		fp->encoding = AUDIO_ENCODING_SLINEAR;
919 		fp->precision = 8;
920 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
921 		return (0);
922 	case 4:
923 		strcpy(fp->name, AudioEslinear_le);
924 		fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
925 		fp->precision = 16;
926 		fp->flags = 0;
927 		return (0);
928 	case 5:
929 		strcpy(fp->name, AudioEulinear_le);
930 		fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
931 		fp->precision = 16;
932 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
933 		return (0);
934 	case 6:
935 		strcpy(fp->name, AudioEslinear_be);
936 		fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
937 		fp->precision = 16;
938 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
939 		return (0);
940 	case 7:
941 		strcpy(fp->name, AudioEulinear_be);
942 		fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
943 		fp->precision = 16;
944 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
945 		return (0);
946 	default:
947 		return (EINVAL);
948 	}
949 }
950 
951 int
952 eap_set_params(void *addr, int setmode, int usemode,
953 	       struct audio_params *play, struct audio_params *rec)
954 {
955 	struct eap_softc *sc = addr;
956 	struct audio_params *p;
957 	int mode;
958 	u_int32_t div;
959 
960 	/*
961 	 * The es1370 only has one clock, so make the sample rates match.
962 	 */
963 	if (!sc->sc_1371) {
964 	    if (play->sample_rate != rec->sample_rate &&
965 		usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
966 	    	if (setmode == AUMODE_PLAY) {
967 		    rec->sample_rate = play->sample_rate;
968 		    setmode |= AUMODE_RECORD;
969 		} else if (setmode == AUMODE_RECORD) {
970 		    play->sample_rate = rec->sample_rate;
971 		    setmode |= AUMODE_PLAY;
972 		} else
973 		    return (EINVAL);
974 	    }
975 	}
976 
977 	for (mode = AUMODE_RECORD; mode != -1;
978 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
979 		if ((setmode & mode) == 0)
980 			continue;
981 
982 		p = mode == AUMODE_PLAY ? play : rec;
983 
984 		if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
985 		    (p->precision != 8 && p->precision != 16) ||
986 		    (p->channels != 1 && p->channels != 2))
987 			return (EINVAL);
988 
989 		p->factor = 1;
990 		p->sw_code = 0;
991 		switch (p->encoding) {
992 		case AUDIO_ENCODING_SLINEAR_BE:
993 			if (p->precision == 16)
994 				p->sw_code = swap_bytes;
995 			else
996 				p->sw_code = change_sign8;
997 			break;
998 		case AUDIO_ENCODING_SLINEAR_LE:
999 			if (p->precision != 16)
1000 				p->sw_code = change_sign8;
1001 			break;
1002 		case AUDIO_ENCODING_ULINEAR_BE:
1003 			if (p->precision == 16) {
1004 				if (mode == AUMODE_PLAY)
1005 					p->sw_code = swap_bytes_change_sign16_le;
1006 				else
1007 					p->sw_code = change_sign16_swap_bytes_le;
1008 			}
1009 			break;
1010 		case AUDIO_ENCODING_ULINEAR_LE:
1011 			if (p->precision == 16)
1012 				p->sw_code = change_sign16_le;
1013 			break;
1014 		case AUDIO_ENCODING_ULAW:
1015 			if (mode == AUMODE_PLAY) {
1016 				p->factor = 2;
1017 				p->sw_code = mulaw_to_slinear16_le;
1018 			} else
1019 				p->sw_code = ulinear8_to_mulaw;
1020 			break;
1021 		case AUDIO_ENCODING_ALAW:
1022 			if (mode == AUMODE_PLAY) {
1023 				p->factor = 2;
1024 				p->sw_code = alaw_to_slinear16_le;
1025 			} else
1026 				p->sw_code = ulinear8_to_alaw;
1027 			break;
1028 		default:
1029 			return (EINVAL);
1030 		}
1031 	}
1032 
1033 	if (sc->sc_1371) {
1034 		eap1371_set_dac_rate(sc, play->sample_rate, 1);
1035 		eap1371_set_dac_rate(sc, play->sample_rate, 2);
1036 		eap1371_set_adc_rate(sc, rec->sample_rate);
1037 	} else {
1038 		/* Set the speed */
1039 		DPRINTFN(2, ("eap_set_params: old ICSC = 0x%08x\n",
1040 			     EREAD4(sc, EAP_ICSC)));
1041 		div = EREAD4(sc, EAP_ICSC) & ~EAP_PCLKBITS;
1042 		/*
1043 		 * XXX
1044 		 * The -2 isn't documented, but seemed to make the wall
1045 		 * time match
1046 		 * what I expect.  - mycroft
1047 		 */
1048 		if (usemode == AUMODE_RECORD)
1049 			div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ /
1050 				rec->sample_rate - 2);
1051 		else
1052 			div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ /
1053 				play->sample_rate - 2);
1054 		div |= EAP_CCB_INTRM;
1055 		EWRITE4(sc, EAP_ICSC, div);
1056 		DPRINTFN(2, ("eap_set_params: set ICSC = 0x%08x\n", div));
1057 	}
1058 
1059 	return (0);
1060 }
1061 
1062 int
1063 eap_round_blocksize(void *addr, int blk)
1064 {
1065 	return (blk & -32);	/* keep good alignment */
1066 }
1067 
1068 int
1069 eap_trigger_output(
1070 	void *addr,
1071 	void *start,
1072 	void *end,
1073 	int blksize,
1074 	void (*intr)(void *),
1075 	void *arg,
1076 	struct audio_params *param)
1077 {
1078 	struct eap_softc *sc = addr;
1079 	struct eap_dma *p;
1080 	u_int32_t icsc, sic;
1081 	int sampshift;
1082 
1083 #ifdef DIAGNOSTIC
1084 	if (sc->sc_prun)
1085 		panic("eap_trigger_output: already running");
1086 	sc->sc_prun = 1;
1087 #endif
1088 
1089 	DPRINTFN(1, ("eap_trigger_output: sc=%p start=%p end=%p "
1090 	    "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1091 	sc->sc_pintr = intr;
1092 	sc->sc_parg = arg;
1093 
1094 	sic = EREAD4(sc, EAP_SIC);
1095 	sic &= ~(EAP_P2_S_EB | EAP_P2_S_MB | EAP_INC_BITS);
1096 	sic |= EAP_SET_P2_ST_INC(0) | EAP_SET_P2_END_INC(param->precision * param->factor / 8);
1097 	sampshift = 0;
1098 	if (param->precision * param->factor == 16) {
1099 		sic |= EAP_P2_S_EB;
1100 		sampshift++;
1101 	}
1102 	if (param->channels == 2) {
1103 		sic |= EAP_P2_S_MB;
1104 		sampshift++;
1105 	}
1106 	EWRITE4(sc, EAP_SIC, sic & ~EAP_P2_INTR_EN);
1107 	EWRITE4(sc, EAP_SIC, sic | EAP_P2_INTR_EN);
1108 
1109 	for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1110 		;
1111 	if (!p) {
1112 		printf("eap_trigger_output: bad addr %p\n", start);
1113 		return (EINVAL);
1114 	}
1115 
1116 	DPRINTF(("eap_trigger_output: DAC2_ADDR=0x%x, DAC2_SIZE=0x%x\n",
1117 		 (int)DMAADDR(p),
1118 		 (int)EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1)));
1119 	EWRITE4(sc, EAP_MEMPAGE, EAP_DAC_PAGE);
1120 	EWRITE4(sc, EAP_DAC2_ADDR, DMAADDR(p));
1121 	EWRITE4(sc, EAP_DAC2_SIZE,
1122 		EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1));
1123 
1124 	EWRITE4(sc, EAP_DAC2_CSR, (blksize >> sampshift) - 1);
1125 
1126 	if (sc->sc_1371)
1127 		EWRITE4(sc, E1371_SRC, 0);
1128 
1129 	icsc = EREAD4(sc, EAP_ICSC);
1130 	EWRITE4(sc, EAP_ICSC, icsc | EAP_DAC2_EN);
1131 
1132 	DPRINTFN(1, ("eap_trigger_output: set ICSC = 0x%08x\n", icsc));
1133 
1134 	return (0);
1135 }
1136 
1137 int
1138 eap_trigger_input(
1139 	void *addr,
1140 	void *start,
1141 	void *end,
1142 	int blksize,
1143 	void (*intr)(void *),
1144 	void *arg,
1145 	struct audio_params *param)
1146 {
1147 	struct eap_softc *sc = addr;
1148 	struct eap_dma *p;
1149 	u_int32_t icsc, sic;
1150 	int sampshift;
1151 
1152 #ifdef DIAGNOSTIC
1153 	if (sc->sc_rrun)
1154 		panic("eap_trigger_input: already running");
1155 	sc->sc_rrun = 1;
1156 #endif
1157 
1158 	DPRINTFN(1, ("eap_trigger_input: sc=%p start=%p end=%p blksize=%d intr=%p(%p)\n",
1159 	    addr, start, end, blksize, intr, arg));
1160 	sc->sc_rintr = intr;
1161 	sc->sc_rarg = arg;
1162 
1163 	sic = EREAD4(sc, EAP_SIC);
1164 	sic &= ~(EAP_R1_S_EB | EAP_R1_S_MB);
1165 	sampshift = 0;
1166 	if (param->precision * param->factor == 16) {
1167 		sic |= EAP_R1_S_EB;
1168 		sampshift++;
1169 	}
1170 	if (param->channels == 2) {
1171 		sic |= EAP_R1_S_MB;
1172 		sampshift++;
1173 	}
1174 	EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
1175 	EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
1176 
1177 	for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1178 		;
1179 	if (!p) {
1180 		printf("eap_trigger_input: bad addr %p\n", start);
1181 		return (EINVAL);
1182 	}
1183 
1184 	DPRINTF(("eap_trigger_input: ADC_ADDR=0x%x, ADC_SIZE=0x%x\n",
1185 		 (int)DMAADDR(p),
1186 		 (int)EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1)));
1187 	EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
1188 	EWRITE4(sc, EAP_ADC_ADDR, DMAADDR(p));
1189 	EWRITE4(sc, EAP_ADC_SIZE,
1190 		EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1));
1191 
1192 	EWRITE4(sc, EAP_ADC_CSR, (blksize >> sampshift) - 1);
1193 
1194 	if (sc->sc_1371)
1195 		EWRITE4(sc, E1371_SRC, 0);
1196 
1197 	icsc = EREAD4(sc, EAP_ICSC);
1198 	EWRITE4(sc, EAP_ICSC, icsc | EAP_ADC_EN);
1199 
1200 	DPRINTFN(1, ("eap_trigger_input: set ICSC = 0x%08x\n", icsc));
1201 
1202 	return (0);
1203 }
1204 
1205 int
1206 eap_halt_output(void *addr)
1207 {
1208 	struct eap_softc *sc = addr;
1209 	u_int32_t icsc;
1210 
1211 	DPRINTF(("eap: eap_halt_output\n"));
1212 	icsc = EREAD4(sc, EAP_ICSC);
1213 	EWRITE4(sc, EAP_ICSC, icsc & ~EAP_DAC2_EN);
1214 #ifdef DIAGNOSTIC
1215 	sc->sc_prun = 0;
1216 #endif
1217 	return (0);
1218 }
1219 
1220 int
1221 eap_halt_input(void *addr)
1222 {
1223 	struct eap_softc *sc = addr;
1224 	u_int32_t icsc;
1225 
1226 	DPRINTF(("eap: eap_halt_input\n"));
1227 	icsc = EREAD4(sc, EAP_ICSC);
1228 	EWRITE4(sc, EAP_ICSC, icsc & ~EAP_ADC_EN);
1229 #ifdef DIAGNOSTIC
1230 	sc->sc_rrun = 0;
1231 #endif
1232 	return (0);
1233 }
1234 
1235 int
1236 eap_getdev(void *addr, struct audio_device *retp)
1237 {
1238 	*retp = eap_device;
1239 	return (0);
1240 }
1241 
1242 int
1243 eap1371_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1244 {
1245 	struct eap_softc *sc = addr;
1246 
1247 	return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp));
1248 }
1249 
1250 int
1251 eap1371_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1252 {
1253 	struct eap_softc *sc = addr;
1254 
1255 	return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp));
1256 }
1257 
1258 int
1259 eap1371_query_devinfo(void *addr, mixer_devinfo_t *dip)
1260 {
1261 	struct eap_softc *sc = addr;
1262 
1263 	return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip));
1264 }
1265 
1266 int
1267 eap1371_get_portnum_by_name(struct eap_softc *sc,
1268 			    char *class, char *device, char *qualifier)
1269 {
1270 	return (sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, class,
1271 	     device, qualifier));
1272 }
1273 
1274 void
1275 eap1370_set_mixer(struct eap_softc *sc, int a, int d)
1276 {
1277 	eap1370_write_codec(sc, a, d);
1278 
1279 	sc->sc_port[a] = d;
1280 	DPRINTFN(1, ("eap1370_mixer_set_port port 0x%02x = 0x%02x\n", a, d));
1281 }
1282 
1283 int
1284 eap1370_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1285 {
1286 	struct eap_softc *sc = addr;
1287 	int lval, rval, l, r, la, ra;
1288 	int l1, r1, l2, r2, m, o1, o2;
1289 
1290 	if (cp->dev == EAP_RECORD_SOURCE) {
1291 		if (cp->type != AUDIO_MIXER_SET)
1292 			return (EINVAL);
1293 		m = sc->sc_record_source = cp->un.mask;
1294 		l1 = l2 = r1 = r2 = 0;
1295 		if (m & (1 << EAP_VOICE_VOL))
1296 			l2 |= AK_M_VOICE, r2 |= AK_M_VOICE;
1297 		if (m & (1 << EAP_FM_VOL))
1298 			l1 |= AK_M_FM_L, r1 |= AK_M_FM_R;
1299 		if (m & (1 << EAP_CD_VOL))
1300 			l1 |= AK_M_CD_L, r1 |= AK_M_CD_R;
1301 		if (m & (1 << EAP_LINE_VOL))
1302 			l1 |= AK_M_LINE_L, r1 |= AK_M_LINE_R;
1303 		if (m & (1 << EAP_AUX_VOL))
1304 			l2 |= AK_M2_AUX_L, r2 |= AK_M2_AUX_R;
1305 		if (m & (1 << EAP_MIC_VOL))
1306 			l2 |= AK_M_TMIC, r2 |= AK_M_TMIC;
1307 		eap1370_set_mixer(sc, AK_IN_MIXER1_L, l1);
1308 		eap1370_set_mixer(sc, AK_IN_MIXER1_R, r1);
1309 		eap1370_set_mixer(sc, AK_IN_MIXER2_L, l2);
1310 		eap1370_set_mixer(sc, AK_IN_MIXER2_R, r2);
1311 		return (0);
1312 	}
1313 	if (cp->dev == EAP_OUTPUT_SELECT) {
1314 		if (cp->type != AUDIO_MIXER_SET)
1315 			return (EINVAL);
1316 		m = sc->sc_output_source = cp->un.mask;
1317 		o1 = o2 = 0;
1318 		if (m & (1 << EAP_VOICE_VOL))
1319 			o2 |= AK_M_VOICE_L | AK_M_VOICE_R;
1320 		if (m & (1 << EAP_FM_VOL))
1321 			o1 |= AK_M_FM_L | AK_M_FM_R;
1322 		if (m & (1 << EAP_CD_VOL))
1323 			o1 |= AK_M_CD_L | AK_M_CD_R;
1324 		if (m & (1 << EAP_LINE_VOL))
1325 			o1 |= AK_M_LINE_L | AK_M_LINE_R;
1326 		if (m & (1 << EAP_AUX_VOL))
1327 			o2 |= AK_M_AUX_L | AK_M_AUX_R;
1328 		if (m & (1 << EAP_MIC_VOL))
1329 			o1 |= AK_M_MIC;
1330 		eap1370_set_mixer(sc, AK_OUT_MIXER1, o1);
1331 		eap1370_set_mixer(sc, AK_OUT_MIXER2, o2);
1332 		return (0);
1333 	}
1334 	if (cp->dev == EAP_MIC_PREAMP) {
1335 		if (cp->type != AUDIO_MIXER_ENUM)
1336 			return (EINVAL);
1337 		if (cp->un.ord != 0 && cp->un.ord != 1)
1338 			return (EINVAL);
1339 		sc->sc_mic_preamp = cp->un.ord;
1340 		eap1370_set_mixer(sc, AK_MGAIN, cp->un.ord);
1341 		return (0);
1342 	}
1343 	if (cp->type != AUDIO_MIXER_VALUE)
1344 		return (EINVAL);
1345 	if (cp->un.value.num_channels == 1)
1346 		lval = rval = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
1347 	else if (cp->un.value.num_channels == 2) {
1348 		lval = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
1349 		rval = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
1350 	} else
1351 		return (EINVAL);
1352 	ra = -1;
1353 	switch (cp->dev) {
1354 	case EAP_MASTER_VOL:
1355 		l = VOL_TO_ATT5(lval);
1356 		r = VOL_TO_ATT5(rval);
1357 		la = AK_MASTER_L;
1358 		ra = AK_MASTER_R;
1359 		break;
1360 	case EAP_MIC_VOL:
1361 		if (cp->un.value.num_channels != 1)
1362 			return (EINVAL);
1363 		la = AK_MIC;
1364 		goto lr;
1365 	case EAP_VOICE_VOL:
1366 		la = AK_VOICE_L;
1367 		ra = AK_VOICE_R;
1368 		goto lr;
1369 	case EAP_FM_VOL:
1370 		la = AK_FM_L;
1371 		ra = AK_FM_R;
1372 		goto lr;
1373 	case EAP_CD_VOL:
1374 		la = AK_CD_L;
1375 		ra = AK_CD_R;
1376 		goto lr;
1377 	case EAP_LINE_VOL:
1378 		la = AK_LINE_L;
1379 		ra = AK_LINE_R;
1380 		goto lr;
1381 	case EAP_AUX_VOL:
1382 		la = AK_AUX_L;
1383 		ra = AK_AUX_R;
1384 	lr:
1385 		l = VOL_TO_GAIN5(lval);
1386 		r = VOL_TO_GAIN5(rval);
1387 		break;
1388 	default:
1389 		return (EINVAL);
1390 	}
1391 	eap1370_set_mixer(sc, la, l);
1392 	if (ra >= 0) {
1393 		eap1370_set_mixer(sc, ra, r);
1394 	}
1395 	return (0);
1396 }
1397 
1398 int
1399 eap1370_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1400 {
1401 	struct eap_softc *sc = addr;
1402 	int la, ra, l, r;
1403 
1404 	switch (cp->dev) {
1405 	case EAP_RECORD_SOURCE:
1406 		if (cp->type != AUDIO_MIXER_SET)
1407 			return (EINVAL);
1408 		cp->un.mask = sc->sc_record_source;
1409 		return (0);
1410 	case EAP_OUTPUT_SELECT:
1411 		if (cp->type != AUDIO_MIXER_SET)
1412 			return (EINVAL);
1413 		cp->un.mask = sc->sc_output_source;
1414 		return (0);
1415 	case EAP_MIC_PREAMP:
1416 		if (cp->type != AUDIO_MIXER_ENUM)
1417 			return (EINVAL);
1418 		cp->un.ord = sc->sc_mic_preamp;
1419 		return (0);
1420 	case EAP_MASTER_VOL:
1421 		l = ATT5_TO_VOL(sc->sc_port[AK_MASTER_L]);
1422 		r = ATT5_TO_VOL(sc->sc_port[AK_MASTER_R]);
1423 		break;
1424 	case EAP_MIC_VOL:
1425 		if (cp->un.value.num_channels != 1)
1426 			return (EINVAL);
1427 		la = ra = AK_MIC;
1428 		goto lr;
1429 	case EAP_VOICE_VOL:
1430 		la = AK_VOICE_L;
1431 		ra = AK_VOICE_R;
1432 		goto lr;
1433 	case EAP_FM_VOL:
1434 		la = AK_FM_L;
1435 		ra = AK_FM_R;
1436 		goto lr;
1437 	case EAP_CD_VOL:
1438 		la = AK_CD_L;
1439 		ra = AK_CD_R;
1440 		goto lr;
1441 	case EAP_LINE_VOL:
1442 		la = AK_LINE_L;
1443 		ra = AK_LINE_R;
1444 		goto lr;
1445 	case EAP_AUX_VOL:
1446 		la = AK_AUX_L;
1447 		ra = AK_AUX_R;
1448 	lr:
1449 		l = GAIN5_TO_VOL(sc->sc_port[la]);
1450 		r = GAIN5_TO_VOL(sc->sc_port[ra]);
1451 		break;
1452 	default:
1453 		return (EINVAL);
1454 	}
1455 	if (cp->un.value.num_channels == 1)
1456 		cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = (l+r) / 2;
1457 	else if (cp->un.value.num_channels == 2) {
1458 		cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]  = l;
1459 		cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
1460 	} else
1461 		return (EINVAL);
1462 	return (0);
1463 }
1464 
1465 int
1466 eap1370_query_devinfo(void *addr, mixer_devinfo_t *dip)
1467 {
1468 	switch (dip->index) {
1469 	case EAP_MASTER_VOL:
1470 		dip->type = AUDIO_MIXER_VALUE;
1471 		dip->mixer_class = EAP_OUTPUT_CLASS;
1472 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1473 		strcpy(dip->label.name, AudioNmaster);
1474 		dip->un.v.num_channels = 2;
1475 		strcpy(dip->un.v.units.name, AudioNvolume);
1476 		return (0);
1477 	case EAP_VOICE_VOL:
1478 		dip->type = AUDIO_MIXER_VALUE;
1479 		dip->mixer_class = EAP_INPUT_CLASS;
1480 		dip->prev = AUDIO_MIXER_LAST;
1481 		dip->next = AUDIO_MIXER_LAST;
1482 		strcpy(dip->label.name, AudioNdac);
1483 		dip->un.v.num_channels = 2;
1484 		strcpy(dip->un.v.units.name, AudioNvolume);
1485 		return (0);
1486 	case EAP_FM_VOL:
1487 		dip->type = AUDIO_MIXER_VALUE;
1488 		dip->mixer_class = EAP_INPUT_CLASS;
1489 		dip->prev = AUDIO_MIXER_LAST;
1490 		dip->next = AUDIO_MIXER_LAST;
1491 		strcpy(dip->label.name, AudioNfmsynth);
1492 		dip->un.v.num_channels = 2;
1493 		strcpy(dip->un.v.units.name, AudioNvolume);
1494 		return (0);
1495 	case EAP_CD_VOL:
1496 		dip->type = AUDIO_MIXER_VALUE;
1497 		dip->mixer_class = EAP_INPUT_CLASS;
1498 		dip->prev = AUDIO_MIXER_LAST;
1499 		dip->next = AUDIO_MIXER_LAST;
1500 		strcpy(dip->label.name, AudioNcd);
1501 		dip->un.v.num_channels = 2;
1502 		strcpy(dip->un.v.units.name, AudioNvolume);
1503 		return (0);
1504 	case EAP_LINE_VOL:
1505 		dip->type = AUDIO_MIXER_VALUE;
1506 		dip->mixer_class = EAP_INPUT_CLASS;
1507 		dip->prev = AUDIO_MIXER_LAST;
1508 		dip->next = AUDIO_MIXER_LAST;
1509 		strcpy(dip->label.name, AudioNline);
1510 		dip->un.v.num_channels = 2;
1511 		strcpy(dip->un.v.units.name, AudioNvolume);
1512 		return (0);
1513 	case EAP_AUX_VOL:
1514 		dip->type = AUDIO_MIXER_VALUE;
1515 		dip->mixer_class = EAP_INPUT_CLASS;
1516 		dip->prev = AUDIO_MIXER_LAST;
1517 		dip->next = AUDIO_MIXER_LAST;
1518 		strcpy(dip->label.name, AudioNaux);
1519 		dip->un.v.num_channels = 2;
1520 		strcpy(dip->un.v.units.name, AudioNvolume);
1521 		return (0);
1522 	case EAP_MIC_VOL:
1523 		dip->type = AUDIO_MIXER_VALUE;
1524 		dip->mixer_class = EAP_INPUT_CLASS;
1525 		dip->prev = AUDIO_MIXER_LAST;
1526 		dip->next = EAP_MIC_PREAMP;
1527 		strcpy(dip->label.name, AudioNmicrophone);
1528 		dip->un.v.num_channels = 1;
1529 		strcpy(dip->un.v.units.name, AudioNvolume);
1530 		return (0);
1531 	case EAP_RECORD_SOURCE:
1532 		dip->mixer_class = EAP_RECORD_CLASS;
1533 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1534 		strcpy(dip->label.name, AudioNsource);
1535 		dip->type = AUDIO_MIXER_SET;
1536 		dip->un.s.num_mem = 6;
1537 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1538 		dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1539 		strcpy(dip->un.s.member[1].label.name, AudioNcd);
1540 		dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1541 		strcpy(dip->un.s.member[2].label.name, AudioNline);
1542 		dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1543 		strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1544 		dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1545 		strcpy(dip->un.s.member[4].label.name, AudioNaux);
1546 		dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1547 		strcpy(dip->un.s.member[5].label.name, AudioNdac);
1548 		dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1549 		return (0);
1550 	case EAP_OUTPUT_SELECT:
1551 		dip->mixer_class = EAP_OUTPUT_CLASS;
1552 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1553 		strcpy(dip->label.name, AudioNselect);
1554 		dip->type = AUDIO_MIXER_SET;
1555 		dip->un.s.num_mem = 6;
1556 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1557 		dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1558 		strcpy(dip->un.s.member[1].label.name, AudioNcd);
1559 		dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1560 		strcpy(dip->un.s.member[2].label.name, AudioNline);
1561 		dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1562 		strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1563 		dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1564 		strcpy(dip->un.s.member[4].label.name, AudioNaux);
1565 		dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1566 		strcpy(dip->un.s.member[5].label.name, AudioNdac);
1567 		dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1568 		return (0);
1569 	case EAP_MIC_PREAMP:
1570 		dip->type = AUDIO_MIXER_ENUM;
1571 		dip->mixer_class = EAP_INPUT_CLASS;
1572 		dip->prev = EAP_MIC_VOL;
1573 		dip->next = AUDIO_MIXER_LAST;
1574 		strcpy(dip->label.name, AudioNpreamp);
1575 		dip->un.e.num_mem = 2;
1576 		strcpy(dip->un.e.member[0].label.name, AudioNoff);
1577 		dip->un.e.member[0].ord = 0;
1578 		strcpy(dip->un.e.member[1].label.name, AudioNon);
1579 		dip->un.e.member[1].ord = 1;
1580 		return (0);
1581 	case EAP_OUTPUT_CLASS:
1582 		dip->type = AUDIO_MIXER_CLASS;
1583 		dip->mixer_class = EAP_OUTPUT_CLASS;
1584 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1585 		strcpy(dip->label.name, AudioCoutputs);
1586 		return (0);
1587 	case EAP_RECORD_CLASS:
1588 		dip->type = AUDIO_MIXER_CLASS;
1589 		dip->mixer_class = EAP_RECORD_CLASS;
1590 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1591 		strcpy(dip->label.name, AudioCrecord);
1592 		return (0);
1593 	case EAP_INPUT_CLASS:
1594 		dip->type = AUDIO_MIXER_CLASS;
1595 		dip->mixer_class = EAP_INPUT_CLASS;
1596 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1597 		strcpy(dip->label.name, AudioCinputs);
1598 		return (0);
1599 	}
1600 	return (ENXIO);
1601 }
1602 
1603 void *
1604 eap_malloc(void *addr, int direction, size_t size, int pool, int flags)
1605 {
1606 	struct eap_softc *sc = addr;
1607 	struct eap_dma *p;
1608 	int error;
1609 
1610 	p = malloc(sizeof(*p), pool, flags);
1611 	if (!p)
1612 		return (0);
1613 	error = eap_allocmem(sc, size, 16, p);
1614 	if (error) {
1615 		free(p, pool);
1616 		return (0);
1617 	}
1618 	p->next = sc->sc_dmas;
1619 	sc->sc_dmas = p;
1620 	return (KERNADDR(p));
1621 }
1622 
1623 void
1624 eap_free(void *addr, void *ptr, int pool)
1625 {
1626 	struct eap_softc *sc = addr;
1627 	struct eap_dma **pp, *p;
1628 
1629 	for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1630 		if (KERNADDR(p) == ptr) {
1631 			eap_freemem(sc, p);
1632 			*pp = p->next;
1633 			free(p, pool);
1634 			return;
1635 		}
1636 	}
1637 }
1638 
1639 size_t
1640 eap_round_buffersize(void *addr, int direction, size_t size)
1641 {
1642 	return (size);
1643 }
1644 
1645 paddr_t
1646 eap_mappage(void *addr, void *mem, off_t off, int prot)
1647 {
1648 	struct eap_softc *sc = addr;
1649 	struct eap_dma *p;
1650 
1651 	if (off < 0)
1652 		return (-1);
1653 	for (p = sc->sc_dmas; p && KERNADDR(p) != mem; p = p->next)
1654 		;
1655 	if (!p)
1656 		return (-1);
1657 	return (bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
1658 				off, prot, BUS_DMA_WAITOK));
1659 }
1660 
1661 int
1662 eap_get_props(void *addr)
1663 {
1664 	return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
1665 		AUDIO_PROP_FULLDUPLEX);
1666 }
1667 
1668 #if NMIDI > 0
1669 int
1670 eap_midi_open(void *addr, int flags,
1671 	      void (*iintr)(void *, int),
1672 	      void (*ointr)(void *),
1673 	      void *arg)
1674 {
1675 	struct eap_softc *sc = addr;
1676 	u_int32_t uctrl;
1677 
1678 	sc->sc_iintr = iintr;
1679 	sc->sc_ointr = ointr;
1680 	sc->sc_arg = arg;
1681 
1682 	EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) | EAP_UART_EN);
1683 	uctrl = 0;
1684 	if (flags & FREAD)
1685 		uctrl |= EAP_UC_RXINTEN;
1686 #if 0
1687 	/* I don't understand ../midi.c well enough to use output interrupts */
1688 	if (flags & FWRITE)
1689 		uctrl |= EAP_UC_TXINTEN; */
1690 #endif
1691 	EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1692 
1693 	return (0);
1694 }
1695 
1696 void
1697 eap_midi_close(void *addr)
1698 {
1699 	struct eap_softc *sc = addr;
1700 
1701 	tsleep(sc, PWAIT, "eapclm", hz/10); /* give uart a chance to drain */
1702 	EWRITE1(sc, EAP_UART_CONTROL, 0);
1703 	EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) & ~EAP_UART_EN);
1704 
1705 	sc->sc_iintr = 0;
1706 	sc->sc_ointr = 0;
1707 }
1708 
1709 int
1710 eap_midi_output(void *addr, int d)
1711 {
1712 	struct eap_softc *sc = addr;
1713 	int x;
1714 
1715 	for (x = 0; x != MIDI_BUSY_WAIT; x++) {
1716 		if (EREAD1(sc, EAP_UART_STATUS) & EAP_US_TXRDY) {
1717 			EWRITE1(sc, EAP_UART_DATA, d);
1718 			return (0);
1719 		}
1720 		delay(MIDI_BUSY_DELAY);
1721 	}
1722 	return (EIO);
1723 }
1724 
1725 void
1726 eap_midi_getinfo(void *addr, struct midi_info *mi)
1727 {
1728 	mi->name = "AudioPCI MIDI UART";
1729 	mi->props = MIDI_PROP_CAN_INPUT;
1730 }
1731 
1732 #endif
1733