xref: /netbsd/sys/dev/pci/eap.c (revision bf9ec67e)
1 /*	$NetBSD: eap.c,v 1.48 2001/11/13 07:48:42 lukem 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 <sys/cdefs.h>
59 __KERNEL_RCSID(0, "$NetBSD: eap.c,v 1.48 2001/11/13 07:48:42 lukem Exp $");
60 
61 #include "midi.h"
62 
63 #include <sys/param.h>
64 #include <sys/systm.h>
65 #include <sys/kernel.h>
66 #include <sys/fcntl.h>
67 #include <sys/malloc.h>
68 #include <sys/device.h>
69 #include <sys/proc.h>
70 
71 #include <dev/pci/pcidevs.h>
72 #include <dev/pci/pcivar.h>
73 
74 #include <sys/audioio.h>
75 #include <dev/audio_if.h>
76 #include <dev/midi_if.h>
77 #include <dev/mulaw.h>
78 #include <dev/auconv.h>
79 #include <dev/ic/ac97var.h>
80 
81 #include <machine/bus.h>
82 
83 #include <dev/pci/eapreg.h>
84 
85 #define	PCI_CBIO		0x10
86 
87 /* Debug */
88 #ifdef AUDIO_DEBUG
89 #define DPRINTF(x)	if (eapdebug) printf x
90 #define DPRINTFN(n,x)	if (eapdebug>(n)) printf x
91 int	eapdebug = 0;
92 #else
93 #define DPRINTF(x)
94 #define DPRINTFN(n,x)
95 #endif
96 
97 int	eap_match(struct device *, struct cfdata *, void *);
98 void	eap_attach(struct device *, struct device *, void *);
99 int	eap_intr(void *);
100 
101 struct eap_dma {
102 	bus_dmamap_t map;
103 	caddr_t addr;
104 	bus_dma_segment_t segs[1];
105 	int nsegs;
106 	size_t size;
107 	struct eap_dma *next;
108 };
109 
110 #define DMAADDR(p) ((p)->map->dm_segs[0].ds_addr)
111 #define KERNADDR(p) ((void *)((p)->addr))
112 
113 struct eap_softc {
114 	struct device sc_dev;		/* base device */
115 	void *sc_ih;			/* interrupt vectoring */
116 	bus_space_tag_t iot;
117 	bus_space_handle_t ioh;
118 	bus_dma_tag_t sc_dmatag;	/* DMA tag */
119 
120 	struct eap_dma *sc_dmas;
121 
122 	void	(*sc_pintr)(void *);	/* dma completion intr handler */
123 	void	*sc_parg;		/* arg for sc_intr() */
124 #ifdef DIAGNOSTIC
125 	char	sc_prun;
126 #endif
127 
128 	void	(*sc_rintr)(void *);	/* dma completion intr handler */
129 	void	*sc_rarg;		/* arg for sc_intr() */
130 #ifdef DIAGNOSTIC
131 	char	sc_rrun;
132 #endif
133 
134 #if NMIDI > 0
135 	void	(*sc_iintr)(void *, int); /* midi input ready handler */
136 	void	(*sc_ointr)(void *);	/* midi output ready handler */
137 	void	*sc_arg;
138 #endif
139 
140 	u_short	sc_port[AK_NPORTS];	/* mirror of the hardware setting */
141 	u_int	sc_record_source;	/* recording source mask */
142 	u_int	sc_output_source;	/* output source mask */
143 	u_int	sc_mic_preamp;
144 	char    sc_1371;		/* Using ES1371/AC97 codec */
145 
146 	struct ac97_codec_if *codec_if;
147 	struct ac97_host_if host_if;
148 };
149 
150 int	eap_allocmem(struct eap_softc *, size_t, size_t, struct eap_dma *);
151 int	eap_freemem(struct eap_softc *, struct eap_dma *);
152 
153 #define EWRITE1(sc, r, x) bus_space_write_1((sc)->iot, (sc)->ioh, (r), (x))
154 #define EWRITE2(sc, r, x) bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x))
155 #define EWRITE4(sc, r, x) bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x))
156 #define EREAD1(sc, r) bus_space_read_1((sc)->iot, (sc)->ioh, (r))
157 #define EREAD2(sc, r) bus_space_read_2((sc)->iot, (sc)->ioh, (r))
158 #define EREAD4(sc, r) bus_space_read_4((sc)->iot, (sc)->ioh, (r))
159 
160 struct cfattach eap_ca = {
161 	sizeof(struct eap_softc), eap_match, eap_attach
162 };
163 
164 int	eap_open(void *, int);
165 void	eap_close(void *);
166 int	eap_query_encoding(void *, struct audio_encoding *);
167 int	eap_set_params(void *, int, int, struct audio_params *, struct audio_params *);
168 int	eap_round_blocksize(void *, int);
169 int	eap_trigger_output(void *, void *, void *, int, void (*)(void *),
170 	    void *, struct audio_params *);
171 int	eap_trigger_input(void *, void *, void *, int, void (*)(void *),
172 	    void *, struct audio_params *);
173 int	eap_halt_output(void *);
174 int	eap_halt_input(void *);
175 void    eap1370_write_codec(struct eap_softc *, int, int);
176 int	eap_getdev(void *, struct audio_device *);
177 int	eap1370_mixer_set_port(void *, mixer_ctrl_t *);
178 int	eap1370_mixer_get_port(void *, mixer_ctrl_t *);
179 int	eap1371_mixer_set_port(void *, mixer_ctrl_t *);
180 int	eap1371_mixer_get_port(void *, mixer_ctrl_t *);
181 int	eap1370_query_devinfo(void *, mixer_devinfo_t *);
182 void   *eap_malloc(void *, int, size_t, int, int);
183 void	eap_free(void *, void *, int);
184 size_t	eap_round_buffersize(void *, int, size_t);
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_set_adc_rate(struct eap_softc *sc, int rate);
190 void 	eap1371_set_dac_rate(struct eap_softc *sc, int rate, int which);
191 int	eap1371_src_read(struct eap_softc *sc, int a);
192 void	eap1371_src_write(struct eap_softc *sc, int a, int d);
193 int	eap1371_query_devinfo(void *addr, mixer_devinfo_t *dip);
194 
195 int     eap1371_attach_codec(void *sc, struct ac97_codec_if *);
196 int	eap1371_read_codec(void *sc, u_int8_t a, u_int16_t *d);
197 int	eap1371_write_codec(void *sc, u_int8_t a, u_int16_t d);
198 void    eap1371_reset_codec(void *sc);
199 int     eap1371_get_portnum_by_name(struct eap_softc *, char *, char *,
200 					 char *);
201 #if NMIDI > 0
202 void	eap_midi_close(void *);
203 void	eap_midi_getinfo(void *, struct midi_info *);
204 int	eap_midi_open(void *, int, void (*)(void *, int),
205 			   void (*)(void *), void *);
206 int	eap_midi_output(void *, int);
207 #endif
208 
209 struct audio_hw_if eap1370_hw_if = {
210 	eap_open,
211 	eap_close,
212 	NULL,
213 	eap_query_encoding,
214 	eap_set_params,
215 	eap_round_blocksize,
216 	NULL,
217 	NULL,
218 	NULL,
219 	NULL,
220 	NULL,
221 	eap_halt_output,
222 	eap_halt_input,
223 	NULL,
224 	eap_getdev,
225 	NULL,
226 	eap1370_mixer_set_port,
227 	eap1370_mixer_get_port,
228 	eap1370_query_devinfo,
229 	eap_malloc,
230 	eap_free,
231 	eap_round_buffersize,
232 	eap_mappage,
233 	eap_get_props,
234 	eap_trigger_output,
235 	eap_trigger_input,
236 	NULL,
237 };
238 
239 struct audio_hw_if eap1371_hw_if = {
240 	eap_open,
241 	eap_close,
242 	NULL,
243 	eap_query_encoding,
244 	eap_set_params,
245 	eap_round_blocksize,
246 	NULL,
247 	NULL,
248 	NULL,
249 	NULL,
250 	NULL,
251 	eap_halt_output,
252 	eap_halt_input,
253 	NULL,
254 	eap_getdev,
255 	NULL,
256 	eap1371_mixer_set_port,
257 	eap1371_mixer_get_port,
258 	eap1371_query_devinfo,
259 	eap_malloc,
260 	eap_free,
261 	eap_round_buffersize,
262 	eap_mappage,
263 	eap_get_props,
264 	eap_trigger_output,
265 	eap_trigger_input,
266 	NULL,
267 };
268 
269 #if NMIDI > 0
270 struct midi_hw_if eap_midi_hw_if = {
271 	eap_midi_open,
272 	eap_midi_close,
273 	eap_midi_output,
274 	eap_midi_getinfo,
275 	0,				/* ioctl */
276 };
277 #endif
278 
279 struct audio_device eap_device = {
280 	"Ensoniq AudioPCI",
281 	"",
282 	"eap"
283 };
284 
285 int
286 eap_match(struct device *parent, struct cfdata *match, void *aux)
287 {
288 	struct pci_attach_args *pa = (struct pci_attach_args *) aux;
289 
290 	switch (PCI_VENDOR(pa->pa_id)) {
291 	case PCI_VENDOR_CREATIVELABS:
292 		switch (PCI_PRODUCT(pa->pa_id)) {
293 		case PCI_PRODUCT_CREATIVELABS_EV1938:
294 			return (1);
295 		}
296 		break;
297 	case PCI_VENDOR_ENSONIQ:
298 		switch (PCI_PRODUCT(pa->pa_id)) {
299 		case PCI_PRODUCT_ENSONIQ_AUDIOPCI:
300 		case PCI_PRODUCT_ENSONIQ_AUDIOPCI97:
301 		case PCI_PRODUCT_ENSONIQ_CT5880:
302 			return (1);
303 		}
304 		break;
305 	}
306 
307 	return (0);
308 }
309 
310 void
311 eap1370_write_codec(struct eap_softc *sc, int a, int d)
312 {
313 	int icss, to;
314 
315 	to = EAP_WRITE_TIMEOUT;
316 	do {
317 		icss = EREAD4(sc, EAP_ICSS);
318 		DPRINTFN(5,("eap: codec %d prog: icss=0x%08x\n", a, icss));
319 		if (!to--) {
320 			printf("eap: timeout writing to codec\n");
321 			return;
322 		}
323 	} while(icss & EAP_CWRIP);  /* XXX could use CSTAT here */
324 	EWRITE4(sc, EAP_CODEC, EAP_SET_CODEC(a, d));
325 }
326 
327 /*
328  * Reading and writing the CODEC is very convoluted.  This mimics the
329  * FreeBSD and Linux drivers.
330  */
331 
332 static __inline void
333 eap1371_ready_codec(struct eap_softc *sc, u_int8_t a, u_int32_t wd)
334 {
335 	int to, s;
336 	u_int32_t src, t;
337 
338 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
339 		if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
340 			break;
341 		delay(1);
342 	}
343 	if (to >= EAP_WRITE_TIMEOUT)
344 		printf("%s: eap1371_ready_codec timeout 1\n",
345 		       sc->sc_dev.dv_xname);
346 
347 	s = splaudio();
348 	src = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
349 	EWRITE4(sc, E1371_SRC, src | E1371_SRC_STATE_OK);
350 
351 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
352 		t = EREAD4(sc, E1371_SRC);
353 		if ((t & E1371_SRC_STATE_MASK) == 0)
354 			break;
355 		delay(1);
356 	}
357 	if (to >= EAP_READ_TIMEOUT)
358 		printf("%s: eap1371_ready_codec timeout 2\n",
359 		       sc->sc_dev.dv_xname);
360 
361 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
362 		t = EREAD4(sc, E1371_SRC);
363 		if ((t & E1371_SRC_STATE_MASK) == E1371_SRC_STATE_OK)
364 			break;
365 		delay(1);
366 	}
367 	if (to >= EAP_READ_TIMEOUT)
368 		printf("%s: eap1371_ready_codec timeout 3\n",
369 		       sc->sc_dev.dv_xname);
370 
371 	EWRITE4(sc, E1371_CODEC, wd);
372 
373 	eap1371_src_wait(sc);
374 	EWRITE4(sc, E1371_SRC, src);
375 
376 	splx(s);
377 }
378 
379 int
380 eap1371_read_codec(void *sc_, u_int8_t a, u_int16_t *d)
381 {
382 	struct eap_softc *sc = sc_;
383 	int to;
384 	u_int32_t t;
385 
386 	eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, 0) | E1371_CODEC_READ);
387 
388 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
389 		if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
390 			break;
391 	}
392 	if (to > EAP_WRITE_TIMEOUT)
393 		printf("%s: eap1371_read_codec timeout 1\n",
394 		       sc->sc_dev.dv_xname);
395 
396 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
397 		t = EREAD4(sc, E1371_CODEC);
398 		if (t & E1371_CODEC_VALID)
399 			break;
400 	}
401 	if (to > EAP_WRITE_TIMEOUT)
402 		printf("%s: eap1371_read_codec timeout 2\n",
403 		       sc->sc_dev.dv_xname);
404 
405 	*d = (u_int16_t)t;
406 
407 	DPRINTFN(10, ("eap1371: reading codec (%x) = %x\n", a, *d));
408 
409 	return (0);
410 }
411 
412 int
413 eap1371_write_codec(void *sc_, u_int8_t a, u_int16_t d)
414 {
415 	struct eap_softc *sc = sc_;
416 
417 	eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, d));
418 
419         DPRINTFN(10, ("eap1371: writing codec %x --> %x\n", d, a));
420 
421 	return (0);
422 }
423 
424 u_int32_t
425 eap1371_src_wait(struct eap_softc *sc)
426 {
427 	int to;
428 	u_int32_t src;
429 
430 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
431 		src = EREAD4(sc, E1371_SRC);
432 		if (!(src & E1371_SRC_RBUSY))
433 			return (src);
434 		delay(1);
435 	}
436 	printf("%s: eap1371_src_wait timeout\n", sc->sc_dev.dv_xname);
437 	return (src);
438 }
439 
440 int
441 eap1371_src_read(struct eap_softc *sc, int a)
442 {
443 	int to;
444 	u_int32_t src, t;
445 
446 	src = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
447 	src |= E1371_SRC_ADDR(a);
448 	EWRITE4(sc, E1371_SRC, src | E1371_SRC_STATE_OK);
449 
450 	if ((eap1371_src_wait(sc) & E1371_SRC_STATE_MASK) != E1371_SRC_STATE_OK) {
451 		for (to = 0; to < EAP_READ_TIMEOUT; to++) {
452 			t = EREAD4(sc, E1371_SRC);
453 			if ((t & E1371_SRC_STATE_MASK) == E1371_SRC_STATE_OK)
454 				break;
455 			delay(1);
456 		}
457 	}
458 
459 	EWRITE4(sc, E1371_SRC, src);
460 
461 	return t & E1371_SRC_DATAMASK;
462 }
463 
464 void
465 eap1371_src_write(struct eap_softc *sc, int a, int d)
466 {
467 	u_int32_t r;
468 
469 	r = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
470 	r |= E1371_SRC_RAMWE | E1371_SRC_ADDR(a) | E1371_SRC_DATA(d);
471 	EWRITE4(sc, E1371_SRC, r);
472 }
473 
474 void
475 eap1371_set_adc_rate(struct eap_softc *sc, int rate)
476 {
477 	int freq, n, truncm;
478 	int out;
479 	int s;
480 
481 	/* Whatever, it works, so I'll leave it :) */
482 
483 	if (rate > 48000)
484 		rate = 48000;
485 	if (rate < 4000)
486 		rate = 4000;
487 	n = rate / 3000;
488 	if ((1 << n) & SRC_MAGIC)
489 		n--;
490 	truncm = ((21 * n) - 1) | 1;
491 	freq = ((48000 << 15) / rate) * n;
492 	if (rate >= 24000) {
493 		if (truncm > 239)
494 			truncm = 239;
495 		out = ESRC_SET_TRUNC((239 - truncm) / 2);
496 	} else {
497 		if (truncm > 119)
498 			truncm = 119;
499 		out = ESRC_SMF | ESRC_SET_TRUNC((119 - truncm) / 2);
500 	}
501  	out |= ESRC_SET_N(n);
502 	s = splaudio();
503 	eap1371_src_write(sc, ESRC_ADC+ESRC_TRUNC_N, out);
504 
505 
506 	out = eap1371_src_read(sc, ESRC_ADC+ESRC_IREGS) & 0xff;
507 	eap1371_src_write(sc, ESRC_ADC+ESRC_IREGS, out |
508 			  ESRC_SET_VFI(freq >> 15));
509 	eap1371_src_write(sc, ESRC_ADC+ESRC_VFF, freq & 0x7fff);
510 	eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(n));
511 	eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(n));
512 	splx(s);
513 }
514 
515 void
516 eap1371_set_dac_rate(struct eap_softc *sc, int rate, int which)
517 {
518 	int dac = which == 1 ? ESRC_DAC1 : ESRC_DAC2;
519 	int freq, r;
520 	int s;
521 
522 	/* Whatever, it works, so I'll leave it :) */
523 
524 	if (rate > 48000)
525 	    rate = 48000;
526 	if (rate < 4000)
527 	    rate = 4000;
528 	freq = ((rate << 15) + 1500) / 3000;
529 
530 	s = splaudio();
531 	eap1371_src_wait(sc);
532 	r = EREAD4(sc, E1371_SRC) & (E1371_SRC_DISABLE |
533 	    E1371_SRC_DISP2 | E1371_SRC_DISP1 | E1371_SRC_DISREC);
534 	r |= (which == 1) ? E1371_SRC_DISP1 : E1371_SRC_DISP2;
535 	EWRITE4(sc, E1371_SRC, r);
536 	r = eap1371_src_read(sc, dac + ESRC_IREGS) & 0x00ff;
537 	eap1371_src_write(sc, dac + ESRC_IREGS, r | ((freq >> 5) & 0xfc00));
538 	eap1371_src_write(sc, dac + ESRC_VFF, freq & 0x7fff);
539 	r = EREAD4(sc, E1371_SRC) & (E1371_SRC_DISABLE |
540 	    E1371_SRC_DISP2 | E1371_SRC_DISP1 | E1371_SRC_DISREC);
541 	r &= ~(which == 1 ? E1371_SRC_DISP1 : E1371_SRC_DISP2);
542 	EWRITE4(sc, E1371_SRC, r);
543 	splx(s);
544 }
545 
546 void
547 eap_attach(struct device *parent, struct device *self, void *aux)
548 {
549 	struct eap_softc *sc = (struct eap_softc *)self;
550 	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
551 	pci_chipset_tag_t pc = pa->pa_pc;
552 	struct audio_hw_if *eap_hw_if;
553 	char const *intrstr;
554 	pci_intr_handle_t ih;
555 	pcireg_t csr;
556 	char devinfo[256];
557 	mixer_ctrl_t ctl;
558 	int i;
559 	int revision, ct5880;
560 	const char *revstr = "";
561 
562 	/* Flag if we're "creative" */
563 	sc->sc_1371 = !(PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
564 			PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_AUDIOPCI);
565 
566 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
567 	revision = PCI_REVISION(pa->pa_class);
568 	if (sc->sc_1371) {
569 		ct5880 = 0;
570 		if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
571 		    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_CT5880)
572 			ct5880 = 1;
573 		switch (revision) {
574 		case EAP_EV1938_A: revstr = "EV1938A "; break;
575 		case EAP_CT5880_C: revstr = "CT5880C "; ct5880 = 1; break;
576 		case EAP_ES1373_A: revstr = "ES1373A "; break;
577 		case EAP_ES1373_B: revstr = "ES1373B "; break;
578 		case EAP_CT5880_A: revstr = "CT5880A "; ct5880 = 1; break;
579 		case EAP_ES1371_B: revstr = "ES1371B "; break;
580 		}
581 	}
582 	printf(": %s %s(rev. 0x%02x)\n", devinfo, revstr, revision);
583 
584 	/* Map I/O register */
585 	if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
586 	      &sc->iot, &sc->ioh, NULL, NULL)) {
587 		printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
588 		return;
589 	}
590 
591 	sc->sc_dmatag = pa->pa_dmat;
592 
593 	/* Enable the device. */
594 	csr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
595 	pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
596 		       csr | PCI_COMMAND_MASTER_ENABLE);
597 
598 	/* Map and establish the interrupt. */
599 	if (pci_intr_map(pa, &ih)) {
600 		printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
601 		return;
602 	}
603 	intrstr = pci_intr_string(pc, ih);
604 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, eap_intr, sc);
605 	if (sc->sc_ih == NULL) {
606 		printf("%s: couldn't establish interrupt",
607 		    sc->sc_dev.dv_xname);
608 		if (intrstr != NULL)
609 			printf(" at %s", intrstr);
610 		printf("\n");
611 		return;
612 	}
613 	printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
614 
615 	if (!sc->sc_1371) {
616 		/* Enable interrupts and looping mode. */
617 		/* enable the parts we need */
618 		EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
619 		EWRITE4(sc, EAP_ICSC, EAP_CDC_EN);
620 
621 		/* reset codec */
622 		/* normal operation */
623 		/* select codec clocks */
624 		eap1370_write_codec(sc, AK_RESET, AK_PD);
625 		eap1370_write_codec(sc, AK_RESET, AK_PD | AK_NRST);
626 		eap1370_write_codec(sc, AK_CS, 0x0);
627 
628 		eap_hw_if = &eap1370_hw_if;
629 
630 		/* Enable all relevant mixer switches. */
631 		ctl.dev = EAP_OUTPUT_SELECT;
632 		ctl.type = AUDIO_MIXER_SET;
633 		ctl.un.mask = 1 << EAP_VOICE_VOL | 1 << EAP_FM_VOL |
634 			1 << EAP_CD_VOL | 1 << EAP_LINE_VOL | 1 << EAP_AUX_VOL |
635 			1 << EAP_MIC_VOL;
636 		eap_hw_if->set_port(sc, &ctl);
637 
638 		ctl.type = AUDIO_MIXER_VALUE;
639 		ctl.un.value.num_channels = 1;
640 		for (ctl.dev = EAP_MASTER_VOL; ctl.dev < EAP_MIC_VOL;
641 		     ctl.dev++) {
642 			ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = VOL_0DB;
643 			eap_hw_if->set_port(sc, &ctl);
644 		}
645 		ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = 0;
646 		eap_hw_if->set_port(sc, &ctl);
647 		ctl.dev = EAP_MIC_PREAMP;
648 		ctl.type = AUDIO_MIXER_ENUM;
649 		ctl.un.ord = 0;
650 		eap_hw_if->set_port(sc, &ctl);
651 		ctl.dev = EAP_RECORD_SOURCE;
652 		ctl.type = AUDIO_MIXER_SET;
653 		ctl.un.mask = 1 << EAP_MIC_VOL;
654 		eap_hw_if->set_port(sc, &ctl);
655 	} else {
656 		/* clean slate */
657 
658                 EWRITE4(sc, EAP_SIC, 0);
659 		EWRITE4(sc, EAP_ICSC, 0);
660 		EWRITE4(sc, E1371_LEGACY, 0);
661 
662 		if (ct5880) {
663 			EWRITE4(sc, EAP_ICSS, EAP_CT5880_AC97_RESET);
664 			/* Let codec wake up */
665 			tsleep(sc, PRIBIO, "eapcdc", hz / 20);
666 		}
667 
668                 /* Reset from es1371's perspective */
669                 EWRITE4(sc, EAP_ICSC, E1371_SYNC_RES);
670                 delay(20);
671                 EWRITE4(sc, EAP_ICSC, 0);
672 
673 		/*
674 		 * Must properly reprogram sample rate converter,
675 		 * or it locks up.  Set some defaults for the life of the
676 		 * machine, and set up a sb default sample rate.
677 		 */
678 		EWRITE4(sc, E1371_SRC, E1371_SRC_DISABLE);
679 		for (i = 0; i < 0x80; i++)
680 			eap1371_src_write(sc, i, 0);
681 		eap1371_src_write(sc, ESRC_DAC1+ESRC_TRUNC_N, ESRC_SET_N(16));
682 		eap1371_src_write(sc, ESRC_DAC2+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_DAC2+ESRC_IREGS, ESRC_SET_VFI(16));
685 		eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(16));
686 		eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(16));
687 		eap1371_src_write(sc, ESRC_DAC1_VOLL, ESRC_SET_DAC_VOLI(1));
688 		eap1371_src_write(sc, ESRC_DAC1_VOLR, ESRC_SET_DAC_VOLI(1));
689 		eap1371_src_write(sc, ESRC_DAC2_VOLL, ESRC_SET_DAC_VOLI(1));
690 		eap1371_src_write(sc, ESRC_DAC2_VOLR, ESRC_SET_DAC_VOLI(1));
691 		eap1371_set_adc_rate(sc, 22050);
692 		eap1371_set_dac_rate(sc, 22050, 1);
693 		eap1371_set_dac_rate(sc, 22050, 2);
694 
695 		EWRITE4(sc, E1371_SRC, 0);
696 
697 		/* Reset codec */
698 
699 		/* Interrupt enable */
700 		sc->host_if.arg = sc;
701 		sc->host_if.attach = eap1371_attach_codec;
702 		sc->host_if.read = eap1371_read_codec;
703 		sc->host_if.write = eap1371_write_codec;
704 		sc->host_if.reset = eap1371_reset_codec;
705 
706 		if (ac97_attach(&sc->host_if) == 0) {
707 			/* Interrupt enable */
708 			EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
709 		} else
710 			return;
711 
712 		eap_hw_if = &eap1371_hw_if;
713 
714 		/* Just enable the DAC and master volumes by default */
715 		ctl.type = AUDIO_MIXER_ENUM;
716 		ctl.un.ord = 0;  /* off */
717 		ctl.dev = eap1371_get_portnum_by_name(sc, AudioCoutputs,
718 		       AudioNmaster, AudioNmute);
719 		eap1371_mixer_set_port(sc, &ctl);
720 		ctl.dev = eap1371_get_portnum_by_name(sc, AudioCinputs,
721 		       AudioNdac, AudioNmute);
722 		eap1371_mixer_set_port(sc, &ctl);
723 		ctl.dev = eap1371_get_portnum_by_name(sc, AudioCrecord,
724 		       AudioNvolume, AudioNmute);
725 		eap1371_mixer_set_port(sc, &ctl);
726 
727 		ctl.dev = eap1371_get_portnum_by_name(sc, AudioCrecord,
728 		       AudioNsource, NULL);
729 		ctl.type = AUDIO_MIXER_ENUM;
730 		ctl.un.ord = 0;
731 		eap1371_mixer_set_port(sc, &ctl);
732 
733 	}
734 
735 	audio_attach_mi(eap_hw_if, sc, &sc->sc_dev);
736 
737 #if NMIDI > 0
738 	midi_attach_mi(&eap_midi_hw_if, sc, &sc->sc_dev);
739 #endif
740 }
741 
742 int
743 eap1371_attach_codec(void *sc_, struct ac97_codec_if *codec_if)
744 {
745 	struct eap_softc *sc = sc_;
746 
747 	sc->codec_if = codec_if;
748 	return (0);
749 }
750 
751 void
752 eap1371_reset_codec(void *sc_)
753 {
754 	struct eap_softc *sc = sc_;
755 	u_int32_t icsc;
756 	int s;
757 
758 	s = splaudio();
759 	icsc = EREAD4(sc, EAP_ICSC);
760 	EWRITE4(sc, EAP_ICSC, icsc | E1371_SYNC_RES);
761 	delay(20);
762 	EWRITE4(sc, EAP_ICSC, icsc & ~E1371_SYNC_RES);
763 	delay(1);
764 	splx(s);
765 
766 	return;
767 }
768 
769 int
770 eap_intr(void *p)
771 {
772 	struct eap_softc *sc = p;
773 	u_int32_t intr, sic;
774 
775 	intr = EREAD4(sc, EAP_ICSS);
776 	if (!(intr & EAP_INTR))
777 		return (0);
778 	sic = EREAD4(sc, EAP_SIC);
779 	DPRINTFN(5, ("eap_intr: ICSS=0x%08x, SIC=0x%08x\n", intr, sic));
780 	if (intr & EAP_I_ADC) {
781 #if 0
782 		/*
783 		 * XXX This is a hack!
784 		 * The EAP chip sometimes generates the recording interrupt
785 		 * while it is still transferring the data.  To make sure
786 		 * it has all arrived we busy wait until the count is right.
787 		 * The transfer we are waiting for is 8 longwords.
788 		 */
789 		int s, nw, n;
790 		EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
791 		s = EREAD4(sc, EAP_ADC_CSR);
792 		nw = ((s & 0xffff) + 1) >> 2; /* # of words in DMA */
793 		n = 0;
794 		while (((EREAD4(sc, EAP_ADC_SIZE) >> 16) + 8) % nw == 0) {
795 			delay(10);
796 			if (++n > 100) {
797 				printf("eapintr: dma fix timeout");
798 				break;
799 			}
800 		}
801 		/* Continue with normal interrupt handling. */
802 #endif
803 		EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
804 		EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
805 		if (sc->sc_rintr)
806 			sc->sc_rintr(sc->sc_rarg);
807 	}
808 	if (intr & EAP_I_DAC2) {
809 		EWRITE4(sc, EAP_SIC, sic & ~EAP_P2_INTR_EN);
810 		EWRITE4(sc, EAP_SIC, sic | EAP_P2_INTR_EN);
811 		if (sc->sc_pintr)
812 			sc->sc_pintr(sc->sc_parg);
813 	}
814 #if NMIDI > 0
815 	if ((intr & EAP_I_UART) && sc->sc_iintr != NULL) {
816 		u_int32_t data;
817 
818 		if (EREAD1(sc, EAP_UART_STATUS) & EAP_US_RXINT) {
819 			while (EREAD1(sc, EAP_UART_STATUS) & EAP_US_RXRDY) {
820 				data = EREAD1(sc, EAP_UART_DATA);
821 				sc->sc_iintr(sc->sc_arg, data);
822 			}
823 		}
824 	}
825 #endif
826 	return (1);
827 }
828 
829 int
830 eap_allocmem(struct eap_softc *sc, size_t size, size_t align, struct eap_dma *p)
831 {
832 	int error;
833 
834 	p->size = size;
835 	error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
836 				 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
837 				 &p->nsegs, BUS_DMA_NOWAIT);
838 	if (error)
839 		return (error);
840 
841 	error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
842 			       &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
843 	if (error)
844 		goto free;
845 
846 	error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
847 				  0, BUS_DMA_NOWAIT, &p->map);
848 	if (error)
849 		goto unmap;
850 
851 	error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
852 				BUS_DMA_NOWAIT);
853 	if (error)
854 		goto destroy;
855 	return (0);
856 
857 destroy:
858 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
859 unmap:
860 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
861 free:
862 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
863 	return (error);
864 }
865 
866 int
867 eap_freemem(struct eap_softc *sc, struct eap_dma *p)
868 {
869 	bus_dmamap_unload(sc->sc_dmatag, p->map);
870 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
871 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
872 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
873 	return (0);
874 }
875 
876 int
877 eap_open(void *addr, int flags)
878 {
879 	return (0);
880 }
881 
882 /*
883  * Close function is called at splaudio().
884  */
885 void
886 eap_close(void *addr)
887 {
888 	struct eap_softc *sc = addr;
889 
890 	eap_halt_output(sc);
891 	eap_halt_input(sc);
892 
893 	sc->sc_pintr = 0;
894 	sc->sc_rintr = 0;
895 }
896 
897 int
898 eap_query_encoding(void *addr, struct audio_encoding *fp)
899 {
900 	switch (fp->index) {
901 	case 0:
902 		strcpy(fp->name, AudioEulinear);
903 		fp->encoding = AUDIO_ENCODING_ULINEAR;
904 		fp->precision = 8;
905 		fp->flags = 0;
906 		return (0);
907 	case 1:
908 		strcpy(fp->name, AudioEmulaw);
909 		fp->encoding = AUDIO_ENCODING_ULAW;
910 		fp->precision = 8;
911 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
912 		return (0);
913 	case 2:
914 		strcpy(fp->name, AudioEalaw);
915 		fp->encoding = AUDIO_ENCODING_ALAW;
916 		fp->precision = 8;
917 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
918 		return (0);
919 	case 3:
920 		strcpy(fp->name, AudioEslinear);
921 		fp->encoding = AUDIO_ENCODING_SLINEAR;
922 		fp->precision = 8;
923 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
924 		return (0);
925 	case 4:
926 		strcpy(fp->name, AudioEslinear_le);
927 		fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
928 		fp->precision = 16;
929 		fp->flags = 0;
930 		return (0);
931 	case 5:
932 		strcpy(fp->name, AudioEulinear_le);
933 		fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
934 		fp->precision = 16;
935 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
936 		return (0);
937 	case 6:
938 		strcpy(fp->name, AudioEslinear_be);
939 		fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
940 		fp->precision = 16;
941 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
942 		return (0);
943 	case 7:
944 		strcpy(fp->name, AudioEulinear_be);
945 		fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
946 		fp->precision = 16;
947 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
948 		return (0);
949 	default:
950 		return (EINVAL);
951 	}
952 }
953 
954 int
955 eap_set_params(void *addr, int setmode, int usemode,
956 	       struct audio_params *play, struct audio_params *rec)
957 {
958 	struct eap_softc *sc = addr;
959 	struct audio_params *p;
960 	int mode;
961 	u_int32_t div;
962 
963 	/*
964 	 * The es1370 only has one clock, so make the sample rates match.
965 	 */
966 	if (!sc->sc_1371) {
967 	    if (play->sample_rate != rec->sample_rate &&
968 		usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
969 	    	if (setmode == AUMODE_PLAY) {
970 		    rec->sample_rate = play->sample_rate;
971 		    setmode |= AUMODE_RECORD;
972 		} else if (setmode == AUMODE_RECORD) {
973 		    play->sample_rate = rec->sample_rate;
974 		    setmode |= AUMODE_PLAY;
975 		} else
976 		    return (EINVAL);
977 	    }
978 	}
979 
980 	for (mode = AUMODE_RECORD; mode != -1;
981 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
982 		if ((setmode & mode) == 0)
983 			continue;
984 
985 		p = mode == AUMODE_PLAY ? play : rec;
986 
987 		if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
988 		    (p->precision != 8 && p->precision != 16) ||
989 		    (p->channels != 1 && p->channels != 2))
990 			return (EINVAL);
991 
992 		p->factor = 1;
993 		p->sw_code = 0;
994 		switch (p->encoding) {
995 		case AUDIO_ENCODING_SLINEAR_BE:
996 			if (p->precision == 16)
997 				p->sw_code = swap_bytes;
998 			else
999 				p->sw_code = change_sign8;
1000 			break;
1001 		case AUDIO_ENCODING_SLINEAR_LE:
1002 			if (p->precision != 16)
1003 				p->sw_code = change_sign8;
1004 			break;
1005 		case AUDIO_ENCODING_ULINEAR_BE:
1006 			if (p->precision == 16) {
1007 				if (mode == AUMODE_PLAY)
1008 					p->sw_code = swap_bytes_change_sign16_le;
1009 				else
1010 					p->sw_code = change_sign16_swap_bytes_le;
1011 			}
1012 			break;
1013 		case AUDIO_ENCODING_ULINEAR_LE:
1014 			if (p->precision == 16)
1015 				p->sw_code = change_sign16_le;
1016 			break;
1017 		case AUDIO_ENCODING_ULAW:
1018 			if (mode == AUMODE_PLAY) {
1019 				p->factor = 2;
1020 				p->sw_code = mulaw_to_slinear16_le;
1021 			} else
1022 				p->sw_code = ulinear8_to_mulaw;
1023 			break;
1024 		case AUDIO_ENCODING_ALAW:
1025 			if (mode == AUMODE_PLAY) {
1026 				p->factor = 2;
1027 				p->sw_code = alaw_to_slinear16_le;
1028 			} else
1029 				p->sw_code = ulinear8_to_alaw;
1030 			break;
1031 		default:
1032 			return (EINVAL);
1033 		}
1034 	}
1035 
1036 	if (sc->sc_1371) {
1037 		eap1371_set_dac_rate(sc, play->sample_rate, 1);
1038 		eap1371_set_dac_rate(sc, play->sample_rate, 2);
1039 		eap1371_set_adc_rate(sc, rec->sample_rate);
1040 	} else {
1041 		/* Set the speed */
1042 		DPRINTFN(2, ("eap_set_params: old ICSC = 0x%08x\n",
1043 			     EREAD4(sc, EAP_ICSC)));
1044 		div = EREAD4(sc, EAP_ICSC) & ~EAP_PCLKBITS;
1045 		/*
1046 		 * XXX
1047 		 * The -2 isn't documented, but seemed to make the wall
1048 		 * time match
1049 		 * what I expect.  - mycroft
1050 		 */
1051 		if (usemode == AUMODE_RECORD)
1052 			div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ /
1053 				rec->sample_rate - 2);
1054 		else
1055 			div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ /
1056 				play->sample_rate - 2);
1057 		div |= EAP_CCB_INTRM;
1058 		EWRITE4(sc, EAP_ICSC, div);
1059 		DPRINTFN(2, ("eap_set_params: set ICSC = 0x%08x\n", div));
1060 	}
1061 
1062 	return (0);
1063 }
1064 
1065 int
1066 eap_round_blocksize(void *addr, int blk)
1067 {
1068 	return (blk & -32);	/* keep good alignment */
1069 }
1070 
1071 int
1072 eap_trigger_output(
1073 	void *addr,
1074 	void *start,
1075 	void *end,
1076 	int blksize,
1077 	void (*intr)(void *),
1078 	void *arg,
1079 	struct audio_params *param)
1080 {
1081 	struct eap_softc *sc = addr;
1082 	struct eap_dma *p;
1083 	u_int32_t icsc, sic;
1084 	int sampshift;
1085 
1086 #ifdef DIAGNOSTIC
1087 	if (sc->sc_prun)
1088 		panic("eap_trigger_output: already running");
1089 	sc->sc_prun = 1;
1090 #endif
1091 
1092 	DPRINTFN(1, ("eap_trigger_output: sc=%p start=%p end=%p "
1093 	    "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1094 	sc->sc_pintr = intr;
1095 	sc->sc_parg = arg;
1096 
1097 	sic = EREAD4(sc, EAP_SIC);
1098 	sic &= ~(EAP_P2_S_EB | EAP_P2_S_MB | EAP_INC_BITS);
1099 	sic |= EAP_SET_P2_ST_INC(0) | EAP_SET_P2_END_INC(param->precision * param->factor / 8);
1100 	sampshift = 0;
1101 	if (param->precision * param->factor == 16) {
1102 		sic |= EAP_P2_S_EB;
1103 		sampshift++;
1104 	}
1105 	if (param->channels == 2) {
1106 		sic |= EAP_P2_S_MB;
1107 		sampshift++;
1108 	}
1109 	EWRITE4(sc, EAP_SIC, sic & ~EAP_P2_INTR_EN);
1110 	EWRITE4(sc, EAP_SIC, sic | EAP_P2_INTR_EN);
1111 
1112 	for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1113 		;
1114 	if (!p) {
1115 		printf("eap_trigger_output: bad addr %p\n", start);
1116 		return (EINVAL);
1117 	}
1118 
1119 	DPRINTF(("eap_trigger_output: DAC2_ADDR=0x%x, DAC2_SIZE=0x%x\n",
1120 		 (int)DMAADDR(p),
1121 		 (int)EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1)));
1122 	EWRITE4(sc, EAP_MEMPAGE, EAP_DAC_PAGE);
1123 	EWRITE4(sc, EAP_DAC2_ADDR, DMAADDR(p));
1124 	EWRITE4(sc, EAP_DAC2_SIZE,
1125 		EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1));
1126 
1127 	EWRITE4(sc, EAP_DAC2_CSR, (blksize >> sampshift) - 1);
1128 
1129 	if (sc->sc_1371)
1130 		EWRITE4(sc, E1371_SRC, 0);
1131 
1132 	icsc = EREAD4(sc, EAP_ICSC);
1133 	EWRITE4(sc, EAP_ICSC, icsc | EAP_DAC2_EN);
1134 
1135 	DPRINTFN(1, ("eap_trigger_output: set ICSC = 0x%08x\n", icsc));
1136 
1137 	return (0);
1138 }
1139 
1140 int
1141 eap_trigger_input(
1142 	void *addr,
1143 	void *start,
1144 	void *end,
1145 	int blksize,
1146 	void (*intr)(void *),
1147 	void *arg,
1148 	struct audio_params *param)
1149 {
1150 	struct eap_softc *sc = addr;
1151 	struct eap_dma *p;
1152 	u_int32_t icsc, sic;
1153 	int sampshift;
1154 
1155 #ifdef DIAGNOSTIC
1156 	if (sc->sc_rrun)
1157 		panic("eap_trigger_input: already running");
1158 	sc->sc_rrun = 1;
1159 #endif
1160 
1161 	DPRINTFN(1, ("eap_trigger_input: sc=%p start=%p end=%p blksize=%d intr=%p(%p)\n",
1162 	    addr, start, end, blksize, intr, arg));
1163 	sc->sc_rintr = intr;
1164 	sc->sc_rarg = arg;
1165 
1166 	sic = EREAD4(sc, EAP_SIC);
1167 	sic &= ~(EAP_R1_S_EB | EAP_R1_S_MB);
1168 	sampshift = 0;
1169 	if (param->precision * param->factor == 16) {
1170 		sic |= EAP_R1_S_EB;
1171 		sampshift++;
1172 	}
1173 	if (param->channels == 2) {
1174 		sic |= EAP_R1_S_MB;
1175 		sampshift++;
1176 	}
1177 	EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
1178 	EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
1179 
1180 	for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1181 		;
1182 	if (!p) {
1183 		printf("eap_trigger_input: bad addr %p\n", start);
1184 		return (EINVAL);
1185 	}
1186 
1187 	DPRINTF(("eap_trigger_input: ADC_ADDR=0x%x, ADC_SIZE=0x%x\n",
1188 		 (int)DMAADDR(p),
1189 		 (int)EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1)));
1190 	EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
1191 	EWRITE4(sc, EAP_ADC_ADDR, DMAADDR(p));
1192 	EWRITE4(sc, EAP_ADC_SIZE,
1193 		EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1));
1194 
1195 	EWRITE4(sc, EAP_ADC_CSR, (blksize >> sampshift) - 1);
1196 
1197 	if (sc->sc_1371)
1198 		EWRITE4(sc, E1371_SRC, 0);
1199 
1200 	icsc = EREAD4(sc, EAP_ICSC);
1201 	EWRITE4(sc, EAP_ICSC, icsc | EAP_ADC_EN);
1202 
1203 	DPRINTFN(1, ("eap_trigger_input: set ICSC = 0x%08x\n", icsc));
1204 
1205 	return (0);
1206 }
1207 
1208 int
1209 eap_halt_output(void *addr)
1210 {
1211 	struct eap_softc *sc = addr;
1212 	u_int32_t icsc;
1213 
1214 	DPRINTF(("eap: eap_halt_output\n"));
1215 	icsc = EREAD4(sc, EAP_ICSC);
1216 	EWRITE4(sc, EAP_ICSC, icsc & ~EAP_DAC2_EN);
1217 #ifdef DIAGNOSTIC
1218 	sc->sc_prun = 0;
1219 #endif
1220 	return (0);
1221 }
1222 
1223 int
1224 eap_halt_input(void *addr)
1225 {
1226 	struct eap_softc *sc = addr;
1227 	u_int32_t icsc;
1228 
1229 	DPRINTF(("eap: eap_halt_input\n"));
1230 	icsc = EREAD4(sc, EAP_ICSC);
1231 	EWRITE4(sc, EAP_ICSC, icsc & ~EAP_ADC_EN);
1232 #ifdef DIAGNOSTIC
1233 	sc->sc_rrun = 0;
1234 #endif
1235 	return (0);
1236 }
1237 
1238 int
1239 eap_getdev(void *addr, struct audio_device *retp)
1240 {
1241 	*retp = eap_device;
1242 	return (0);
1243 }
1244 
1245 int
1246 eap1371_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1247 {
1248 	struct eap_softc *sc = addr;
1249 
1250 	return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp));
1251 }
1252 
1253 int
1254 eap1371_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1255 {
1256 	struct eap_softc *sc = addr;
1257 
1258 	return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp));
1259 }
1260 
1261 int
1262 eap1371_query_devinfo(void *addr, mixer_devinfo_t *dip)
1263 {
1264 	struct eap_softc *sc = addr;
1265 
1266 	return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip));
1267 }
1268 
1269 int
1270 eap1371_get_portnum_by_name(struct eap_softc *sc,
1271 			    char *class, char *device, char *qualifier)
1272 {
1273 	return (sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, class,
1274 	     device, qualifier));
1275 }
1276 
1277 void
1278 eap1370_set_mixer(struct eap_softc *sc, int a, int d)
1279 {
1280 	eap1370_write_codec(sc, a, d);
1281 
1282 	sc->sc_port[a] = d;
1283 	DPRINTFN(1, ("eap1370_mixer_set_port port 0x%02x = 0x%02x\n", a, d));
1284 }
1285 
1286 int
1287 eap1370_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1288 {
1289 	struct eap_softc *sc = addr;
1290 	int lval, rval, l, r, la, ra;
1291 	int l1, r1, l2, r2, m, o1, o2;
1292 
1293 	if (cp->dev == EAP_RECORD_SOURCE) {
1294 		if (cp->type != AUDIO_MIXER_SET)
1295 			return (EINVAL);
1296 		m = sc->sc_record_source = cp->un.mask;
1297 		l1 = l2 = r1 = r2 = 0;
1298 		if (m & (1 << EAP_VOICE_VOL))
1299 			l2 |= AK_M_VOICE, r2 |= AK_M_VOICE;
1300 		if (m & (1 << EAP_FM_VOL))
1301 			l1 |= AK_M_FM_L, r1 |= AK_M_FM_R;
1302 		if (m & (1 << EAP_CD_VOL))
1303 			l1 |= AK_M_CD_L, r1 |= AK_M_CD_R;
1304 		if (m & (1 << EAP_LINE_VOL))
1305 			l1 |= AK_M_LINE_L, r1 |= AK_M_LINE_R;
1306 		if (m & (1 << EAP_AUX_VOL))
1307 			l2 |= AK_M2_AUX_L, r2 |= AK_M2_AUX_R;
1308 		if (m & (1 << EAP_MIC_VOL))
1309 			l2 |= AK_M_TMIC, r2 |= AK_M_TMIC;
1310 		eap1370_set_mixer(sc, AK_IN_MIXER1_L, l1);
1311 		eap1370_set_mixer(sc, AK_IN_MIXER1_R, r1);
1312 		eap1370_set_mixer(sc, AK_IN_MIXER2_L, l2);
1313 		eap1370_set_mixer(sc, AK_IN_MIXER2_R, r2);
1314 		return (0);
1315 	}
1316 	if (cp->dev == EAP_OUTPUT_SELECT) {
1317 		if (cp->type != AUDIO_MIXER_SET)
1318 			return (EINVAL);
1319 		m = sc->sc_output_source = cp->un.mask;
1320 		o1 = o2 = 0;
1321 		if (m & (1 << EAP_VOICE_VOL))
1322 			o2 |= AK_M_VOICE_L | AK_M_VOICE_R;
1323 		if (m & (1 << EAP_FM_VOL))
1324 			o1 |= AK_M_FM_L | AK_M_FM_R;
1325 		if (m & (1 << EAP_CD_VOL))
1326 			o1 |= AK_M_CD_L | AK_M_CD_R;
1327 		if (m & (1 << EAP_LINE_VOL))
1328 			o1 |= AK_M_LINE_L | AK_M_LINE_R;
1329 		if (m & (1 << EAP_AUX_VOL))
1330 			o2 |= AK_M_AUX_L | AK_M_AUX_R;
1331 		if (m & (1 << EAP_MIC_VOL))
1332 			o1 |= AK_M_MIC;
1333 		eap1370_set_mixer(sc, AK_OUT_MIXER1, o1);
1334 		eap1370_set_mixer(sc, AK_OUT_MIXER2, o2);
1335 		return (0);
1336 	}
1337 	if (cp->dev == EAP_MIC_PREAMP) {
1338 		if (cp->type != AUDIO_MIXER_ENUM)
1339 			return (EINVAL);
1340 		if (cp->un.ord != 0 && cp->un.ord != 1)
1341 			return (EINVAL);
1342 		sc->sc_mic_preamp = cp->un.ord;
1343 		eap1370_set_mixer(sc, AK_MGAIN, cp->un.ord);
1344 		return (0);
1345 	}
1346 	if (cp->type != AUDIO_MIXER_VALUE)
1347 		return (EINVAL);
1348 	if (cp->un.value.num_channels == 1)
1349 		lval = rval = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
1350 	else if (cp->un.value.num_channels == 2) {
1351 		lval = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
1352 		rval = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
1353 	} else
1354 		return (EINVAL);
1355 	ra = -1;
1356 	switch (cp->dev) {
1357 	case EAP_MASTER_VOL:
1358 		l = VOL_TO_ATT5(lval);
1359 		r = VOL_TO_ATT5(rval);
1360 		la = AK_MASTER_L;
1361 		ra = AK_MASTER_R;
1362 		break;
1363 	case EAP_MIC_VOL:
1364 		if (cp->un.value.num_channels != 1)
1365 			return (EINVAL);
1366 		la = AK_MIC;
1367 		goto lr;
1368 	case EAP_VOICE_VOL:
1369 		la = AK_VOICE_L;
1370 		ra = AK_VOICE_R;
1371 		goto lr;
1372 	case EAP_FM_VOL:
1373 		la = AK_FM_L;
1374 		ra = AK_FM_R;
1375 		goto lr;
1376 	case EAP_CD_VOL:
1377 		la = AK_CD_L;
1378 		ra = AK_CD_R;
1379 		goto lr;
1380 	case EAP_LINE_VOL:
1381 		la = AK_LINE_L;
1382 		ra = AK_LINE_R;
1383 		goto lr;
1384 	case EAP_AUX_VOL:
1385 		la = AK_AUX_L;
1386 		ra = AK_AUX_R;
1387 	lr:
1388 		l = VOL_TO_GAIN5(lval);
1389 		r = VOL_TO_GAIN5(rval);
1390 		break;
1391 	default:
1392 		return (EINVAL);
1393 	}
1394 	eap1370_set_mixer(sc, la, l);
1395 	if (ra >= 0) {
1396 		eap1370_set_mixer(sc, ra, r);
1397 	}
1398 	return (0);
1399 }
1400 
1401 int
1402 eap1370_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1403 {
1404 	struct eap_softc *sc = addr;
1405 	int la, ra, l, r;
1406 
1407 	switch (cp->dev) {
1408 	case EAP_RECORD_SOURCE:
1409 		if (cp->type != AUDIO_MIXER_SET)
1410 			return (EINVAL);
1411 		cp->un.mask = sc->sc_record_source;
1412 		return (0);
1413 	case EAP_OUTPUT_SELECT:
1414 		if (cp->type != AUDIO_MIXER_SET)
1415 			return (EINVAL);
1416 		cp->un.mask = sc->sc_output_source;
1417 		return (0);
1418 	case EAP_MIC_PREAMP:
1419 		if (cp->type != AUDIO_MIXER_ENUM)
1420 			return (EINVAL);
1421 		cp->un.ord = sc->sc_mic_preamp;
1422 		return (0);
1423 	case EAP_MASTER_VOL:
1424 		l = ATT5_TO_VOL(sc->sc_port[AK_MASTER_L]);
1425 		r = ATT5_TO_VOL(sc->sc_port[AK_MASTER_R]);
1426 		break;
1427 	case EAP_MIC_VOL:
1428 		if (cp->un.value.num_channels != 1)
1429 			return (EINVAL);
1430 		la = ra = AK_MIC;
1431 		goto lr;
1432 	case EAP_VOICE_VOL:
1433 		la = AK_VOICE_L;
1434 		ra = AK_VOICE_R;
1435 		goto lr;
1436 	case EAP_FM_VOL:
1437 		la = AK_FM_L;
1438 		ra = AK_FM_R;
1439 		goto lr;
1440 	case EAP_CD_VOL:
1441 		la = AK_CD_L;
1442 		ra = AK_CD_R;
1443 		goto lr;
1444 	case EAP_LINE_VOL:
1445 		la = AK_LINE_L;
1446 		ra = AK_LINE_R;
1447 		goto lr;
1448 	case EAP_AUX_VOL:
1449 		la = AK_AUX_L;
1450 		ra = AK_AUX_R;
1451 	lr:
1452 		l = GAIN5_TO_VOL(sc->sc_port[la]);
1453 		r = GAIN5_TO_VOL(sc->sc_port[ra]);
1454 		break;
1455 	default:
1456 		return (EINVAL);
1457 	}
1458 	if (cp->un.value.num_channels == 1)
1459 		cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = (l+r) / 2;
1460 	else if (cp->un.value.num_channels == 2) {
1461 		cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]  = l;
1462 		cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
1463 	} else
1464 		return (EINVAL);
1465 	return (0);
1466 }
1467 
1468 int
1469 eap1370_query_devinfo(void *addr, mixer_devinfo_t *dip)
1470 {
1471 	switch (dip->index) {
1472 	case EAP_MASTER_VOL:
1473 		dip->type = AUDIO_MIXER_VALUE;
1474 		dip->mixer_class = EAP_OUTPUT_CLASS;
1475 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1476 		strcpy(dip->label.name, AudioNmaster);
1477 		dip->un.v.num_channels = 2;
1478 		strcpy(dip->un.v.units.name, AudioNvolume);
1479 		return (0);
1480 	case EAP_VOICE_VOL:
1481 		dip->type = AUDIO_MIXER_VALUE;
1482 		dip->mixer_class = EAP_INPUT_CLASS;
1483 		dip->prev = AUDIO_MIXER_LAST;
1484 		dip->next = AUDIO_MIXER_LAST;
1485 		strcpy(dip->label.name, AudioNdac);
1486 		dip->un.v.num_channels = 2;
1487 		strcpy(dip->un.v.units.name, AudioNvolume);
1488 		return (0);
1489 	case EAP_FM_VOL:
1490 		dip->type = AUDIO_MIXER_VALUE;
1491 		dip->mixer_class = EAP_INPUT_CLASS;
1492 		dip->prev = AUDIO_MIXER_LAST;
1493 		dip->next = AUDIO_MIXER_LAST;
1494 		strcpy(dip->label.name, AudioNfmsynth);
1495 		dip->un.v.num_channels = 2;
1496 		strcpy(dip->un.v.units.name, AudioNvolume);
1497 		return (0);
1498 	case EAP_CD_VOL:
1499 		dip->type = AUDIO_MIXER_VALUE;
1500 		dip->mixer_class = EAP_INPUT_CLASS;
1501 		dip->prev = AUDIO_MIXER_LAST;
1502 		dip->next = AUDIO_MIXER_LAST;
1503 		strcpy(dip->label.name, AudioNcd);
1504 		dip->un.v.num_channels = 2;
1505 		strcpy(dip->un.v.units.name, AudioNvolume);
1506 		return (0);
1507 	case EAP_LINE_VOL:
1508 		dip->type = AUDIO_MIXER_VALUE;
1509 		dip->mixer_class = EAP_INPUT_CLASS;
1510 		dip->prev = AUDIO_MIXER_LAST;
1511 		dip->next = AUDIO_MIXER_LAST;
1512 		strcpy(dip->label.name, AudioNline);
1513 		dip->un.v.num_channels = 2;
1514 		strcpy(dip->un.v.units.name, AudioNvolume);
1515 		return (0);
1516 	case EAP_AUX_VOL:
1517 		dip->type = AUDIO_MIXER_VALUE;
1518 		dip->mixer_class = EAP_INPUT_CLASS;
1519 		dip->prev = AUDIO_MIXER_LAST;
1520 		dip->next = AUDIO_MIXER_LAST;
1521 		strcpy(dip->label.name, AudioNaux);
1522 		dip->un.v.num_channels = 2;
1523 		strcpy(dip->un.v.units.name, AudioNvolume);
1524 		return (0);
1525 	case EAP_MIC_VOL:
1526 		dip->type = AUDIO_MIXER_VALUE;
1527 		dip->mixer_class = EAP_INPUT_CLASS;
1528 		dip->prev = AUDIO_MIXER_LAST;
1529 		dip->next = EAP_MIC_PREAMP;
1530 		strcpy(dip->label.name, AudioNmicrophone);
1531 		dip->un.v.num_channels = 1;
1532 		strcpy(dip->un.v.units.name, AudioNvolume);
1533 		return (0);
1534 	case EAP_RECORD_SOURCE:
1535 		dip->mixer_class = EAP_RECORD_CLASS;
1536 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1537 		strcpy(dip->label.name, AudioNsource);
1538 		dip->type = AUDIO_MIXER_SET;
1539 		dip->un.s.num_mem = 6;
1540 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1541 		dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1542 		strcpy(dip->un.s.member[1].label.name, AudioNcd);
1543 		dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1544 		strcpy(dip->un.s.member[2].label.name, AudioNline);
1545 		dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1546 		strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1547 		dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1548 		strcpy(dip->un.s.member[4].label.name, AudioNaux);
1549 		dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1550 		strcpy(dip->un.s.member[5].label.name, AudioNdac);
1551 		dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1552 		return (0);
1553 	case EAP_OUTPUT_SELECT:
1554 		dip->mixer_class = EAP_OUTPUT_CLASS;
1555 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1556 		strcpy(dip->label.name, AudioNselect);
1557 		dip->type = AUDIO_MIXER_SET;
1558 		dip->un.s.num_mem = 6;
1559 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1560 		dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1561 		strcpy(dip->un.s.member[1].label.name, AudioNcd);
1562 		dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1563 		strcpy(dip->un.s.member[2].label.name, AudioNline);
1564 		dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1565 		strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1566 		dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1567 		strcpy(dip->un.s.member[4].label.name, AudioNaux);
1568 		dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1569 		strcpy(dip->un.s.member[5].label.name, AudioNdac);
1570 		dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1571 		return (0);
1572 	case EAP_MIC_PREAMP:
1573 		dip->type = AUDIO_MIXER_ENUM;
1574 		dip->mixer_class = EAP_INPUT_CLASS;
1575 		dip->prev = EAP_MIC_VOL;
1576 		dip->next = AUDIO_MIXER_LAST;
1577 		strcpy(dip->label.name, AudioNpreamp);
1578 		dip->un.e.num_mem = 2;
1579 		strcpy(dip->un.e.member[0].label.name, AudioNoff);
1580 		dip->un.e.member[0].ord = 0;
1581 		strcpy(dip->un.e.member[1].label.name, AudioNon);
1582 		dip->un.e.member[1].ord = 1;
1583 		return (0);
1584 	case EAP_OUTPUT_CLASS:
1585 		dip->type = AUDIO_MIXER_CLASS;
1586 		dip->mixer_class = EAP_OUTPUT_CLASS;
1587 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1588 		strcpy(dip->label.name, AudioCoutputs);
1589 		return (0);
1590 	case EAP_RECORD_CLASS:
1591 		dip->type = AUDIO_MIXER_CLASS;
1592 		dip->mixer_class = EAP_RECORD_CLASS;
1593 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1594 		strcpy(dip->label.name, AudioCrecord);
1595 		return (0);
1596 	case EAP_INPUT_CLASS:
1597 		dip->type = AUDIO_MIXER_CLASS;
1598 		dip->mixer_class = EAP_INPUT_CLASS;
1599 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1600 		strcpy(dip->label.name, AudioCinputs);
1601 		return (0);
1602 	}
1603 	return (ENXIO);
1604 }
1605 
1606 void *
1607 eap_malloc(void *addr, int direction, size_t size, int pool, int flags)
1608 {
1609 	struct eap_softc *sc = addr;
1610 	struct eap_dma *p;
1611 	int error;
1612 
1613 	p = malloc(sizeof(*p), pool, flags);
1614 	if (!p)
1615 		return (0);
1616 	error = eap_allocmem(sc, size, 16, p);
1617 	if (error) {
1618 		free(p, pool);
1619 		return (0);
1620 	}
1621 	p->next = sc->sc_dmas;
1622 	sc->sc_dmas = p;
1623 	return (KERNADDR(p));
1624 }
1625 
1626 void
1627 eap_free(void *addr, void *ptr, int pool)
1628 {
1629 	struct eap_softc *sc = addr;
1630 	struct eap_dma **pp, *p;
1631 
1632 	for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1633 		if (KERNADDR(p) == ptr) {
1634 			eap_freemem(sc, p);
1635 			*pp = p->next;
1636 			free(p, pool);
1637 			return;
1638 		}
1639 	}
1640 }
1641 
1642 size_t
1643 eap_round_buffersize(void *addr, int direction, size_t size)
1644 {
1645 	return (size);
1646 }
1647 
1648 paddr_t
1649 eap_mappage(void *addr, void *mem, off_t off, int prot)
1650 {
1651 	struct eap_softc *sc = addr;
1652 	struct eap_dma *p;
1653 
1654 	if (off < 0)
1655 		return (-1);
1656 	for (p = sc->sc_dmas; p && KERNADDR(p) != mem; p = p->next)
1657 		;
1658 	if (!p)
1659 		return (-1);
1660 	return (bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
1661 				off, prot, BUS_DMA_WAITOK));
1662 }
1663 
1664 int
1665 eap_get_props(void *addr)
1666 {
1667 	return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
1668 		AUDIO_PROP_FULLDUPLEX);
1669 }
1670 
1671 #if NMIDI > 0
1672 int
1673 eap_midi_open(void *addr, int flags,
1674 	      void (*iintr)(void *, int),
1675 	      void (*ointr)(void *),
1676 	      void *arg)
1677 {
1678 	struct eap_softc *sc = addr;
1679 	u_int32_t uctrl;
1680 
1681 	sc->sc_iintr = iintr;
1682 	sc->sc_ointr = ointr;
1683 	sc->sc_arg = arg;
1684 
1685 	EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) | EAP_UART_EN);
1686 	uctrl = 0;
1687 	if (flags & FREAD)
1688 		uctrl |= EAP_UC_RXINTEN;
1689 #if 0
1690 	/* I don't understand ../midi.c well enough to use output interrupts */
1691 	if (flags & FWRITE)
1692 		uctrl |= EAP_UC_TXINTEN; */
1693 #endif
1694 	EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1695 
1696 	return (0);
1697 }
1698 
1699 void
1700 eap_midi_close(void *addr)
1701 {
1702 	struct eap_softc *sc = addr;
1703 
1704 	tsleep(sc, PWAIT, "eapclm", hz/10); /* give uart a chance to drain */
1705 	EWRITE1(sc, EAP_UART_CONTROL, 0);
1706 	EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) & ~EAP_UART_EN);
1707 
1708 	sc->sc_iintr = 0;
1709 	sc->sc_ointr = 0;
1710 }
1711 
1712 int
1713 eap_midi_output(void *addr, int d)
1714 {
1715 	struct eap_softc *sc = addr;
1716 	int x;
1717 
1718 	for (x = 0; x != MIDI_BUSY_WAIT; x++) {
1719 		if (EREAD1(sc, EAP_UART_STATUS) & EAP_US_TXRDY) {
1720 			EWRITE1(sc, EAP_UART_DATA, d);
1721 			return (0);
1722 		}
1723 		delay(MIDI_BUSY_DELAY);
1724 	}
1725 	return (EIO);
1726 }
1727 
1728 void
1729 eap_midi_getinfo(void *addr, struct midi_info *mi)
1730 {
1731 	mi->name = "AudioPCI MIDI UART";
1732 	mi->props = MIDI_PROP_CAN_INPUT;
1733 }
1734 
1735 #endif
1736