xref: /netbsd-src/sys/dev/pci/eap.c (revision 3b01aba77a7a698587faaae455bbfe740923c1f5)
1 /*	$NetBSD: eap.c,v 1.45 2001/04/24 21:03:33 mycroft 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 };
234 
235 struct audio_hw_if eap1371_hw_if = {
236 	eap_open,
237 	eap_close,
238 	NULL,
239 	eap_query_encoding,
240 	eap_set_params,
241 	eap_round_blocksize,
242 	NULL,
243 	NULL,
244 	NULL,
245 	NULL,
246 	NULL,
247 	eap_halt_output,
248 	eap_halt_input,
249 	NULL,
250 	eap_getdev,
251 	NULL,
252 	eap1371_mixer_set_port,
253 	eap1371_mixer_get_port,
254 	eap1371_query_devinfo,
255 	eap_malloc,
256 	eap_free,
257 	eap_round_buffersize,
258 	eap_mappage,
259 	eap_get_props,
260 	eap_trigger_output,
261 	eap_trigger_input,
262 };
263 
264 #if NMIDI > 0
265 struct midi_hw_if eap_midi_hw_if = {
266 	eap_midi_open,
267 	eap_midi_close,
268 	eap_midi_output,
269 	eap_midi_getinfo,
270 	0,				/* ioctl */
271 };
272 #endif
273 
274 struct audio_device eap_device = {
275 	"Ensoniq AudioPCI",
276 	"",
277 	"eap"
278 };
279 
280 int
281 eap_match(struct device *parent, struct cfdata *match, void *aux)
282 {
283 	struct pci_attach_args *pa = (struct pci_attach_args *) aux;
284 
285 	switch (PCI_VENDOR(pa->pa_id)) {
286 	case PCI_VENDOR_CREATIVELABS:
287 		switch (PCI_PRODUCT(pa->pa_id)) {
288 		case PCI_PRODUCT_CREATIVELABS_EV1938:
289 			return (1);
290 		}
291 		break;
292 	case PCI_VENDOR_ENSONIQ:
293 		switch (PCI_PRODUCT(pa->pa_id)) {
294 		case PCI_PRODUCT_ENSONIQ_AUDIOPCI:
295 		case PCI_PRODUCT_ENSONIQ_AUDIOPCI97:
296 		case PCI_PRODUCT_ENSONIQ_CT5880:
297 			return (1);
298 		}
299 		break;
300 	}
301 
302 	return (0);
303 }
304 
305 void
306 eap1370_write_codec(struct eap_softc *sc, int a, int d)
307 {
308 	int icss, to;
309 
310 	to = EAP_WRITE_TIMEOUT;
311 	do {
312 		icss = EREAD4(sc, EAP_ICSS);
313 		DPRINTFN(5,("eap: codec %d prog: icss=0x%08x\n", a, icss));
314 		if (!to--) {
315 			printf("eap: timeout writing to codec\n");
316 			return;
317 		}
318 	} while(icss & EAP_CWRIP);  /* XXX could use CSTAT here */
319 	EWRITE4(sc, EAP_CODEC, EAP_SET_CODEC(a, d));
320 }
321 
322 /*
323  * Reading and writing the CODEC is very convoluted.  This mimics the
324  * FreeBSD and Linux drivers.
325  */
326 
327 static __inline void
328 eap1371_ready_codec(struct eap_softc *sc, u_int8_t a, u_int32_t wd)
329 {
330 	int to, s;
331 	u_int32_t src, t;
332 
333 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
334 		if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
335 			break;
336 		delay(1);
337 	}
338 	if (to >= EAP_WRITE_TIMEOUT)
339 		printf("%s: eap1371_ready_codec timeout 1\n",
340 		       sc->sc_dev.dv_xname);
341 
342 	s = splaudio();
343 	src = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
344 	EWRITE4(sc, E1371_SRC, src | E1371_SRC_STATE_OK);
345 
346 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
347 		t = EREAD4(sc, E1371_SRC);
348 		if ((t & E1371_SRC_STATE_MASK) == 0)
349 			break;
350 		delay(1);
351 	}
352 	if (to >= EAP_READ_TIMEOUT)
353 		printf("%s: eap1371_ready_codec timeout 2\n",
354 		       sc->sc_dev.dv_xname);
355 
356 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
357 		t = EREAD4(sc, E1371_SRC);
358 		if ((t & E1371_SRC_STATE_MASK) == E1371_SRC_STATE_OK)
359 			break;
360 		delay(1);
361 	}
362 	if (to >= EAP_READ_TIMEOUT)
363 		printf("%s: eap1371_ready_codec timeout 3\n",
364 		       sc->sc_dev.dv_xname);
365 
366 	EWRITE4(sc, E1371_CODEC, wd);
367 
368 	eap1371_src_wait(sc);
369 	EWRITE4(sc, E1371_SRC, src);
370 
371 	splx(s);
372 }
373 
374 int
375 eap1371_read_codec(void *sc_, u_int8_t a, u_int16_t *d)
376 {
377 	struct eap_softc *sc = sc_;
378 	int to;
379 	u_int32_t t;
380 
381 	eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, 0) | E1371_CODEC_READ);
382 
383 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
384 		if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
385 			break;
386 	}
387 	if (to > EAP_WRITE_TIMEOUT)
388 		printf("%s: eap1371_read_codec timeout 1\n",
389 		       sc->sc_dev.dv_xname);
390 
391 	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
392 		t = EREAD4(sc, E1371_CODEC);
393 		if (t & E1371_CODEC_VALID)
394 			break;
395 	}
396 	if (to > EAP_WRITE_TIMEOUT)
397 		printf("%s: eap1371_read_codec timeout 2\n",
398 		       sc->sc_dev.dv_xname);
399 
400 	*d = (u_int16_t)t;
401 
402 	DPRINTFN(10, ("eap1371: reading codec (%x) = %x\n", a, *d));
403 
404 	return (0);
405 }
406 
407 int
408 eap1371_write_codec(void *sc_, u_int8_t a, u_int16_t d)
409 {
410 	struct eap_softc *sc = sc_;
411 
412 	eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, d));
413 
414         DPRINTFN(10, ("eap1371: writing codec %x --> %x\n", d, a));
415 
416 	return (0);
417 }
418 
419 u_int32_t
420 eap1371_src_wait(struct eap_softc *sc)
421 {
422 	int to;
423 	u_int32_t src;
424 
425 	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
426 		src = EREAD4(sc, E1371_SRC);
427 		if (!(src & E1371_SRC_RBUSY))
428 			return (src);
429 		delay(1);
430 	}
431 	printf("%s: eap1371_src_wait timeout\n", sc->sc_dev.dv_xname);
432 	return (src);
433 }
434 
435 int
436 eap1371_src_read(struct eap_softc *sc, int a)
437 {
438 	int to;
439 	u_int32_t src, t;
440 
441 	src = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
442 	src |= E1371_SRC_ADDR(a);
443 	EWRITE4(sc, E1371_SRC, src | E1371_SRC_STATE_OK);
444 
445 	if ((eap1371_src_wait(sc) & E1371_SRC_STATE_MASK) != E1371_SRC_STATE_OK) {
446 		for (to = 0; to < EAP_READ_TIMEOUT; to++) {
447 			t = EREAD4(sc, E1371_SRC);
448 			if ((t & E1371_SRC_STATE_MASK) == E1371_SRC_STATE_OK)
449 				break;
450 			delay(1);
451 		}
452 	}
453 
454 	EWRITE4(sc, E1371_SRC, src);
455 
456 	return t & E1371_SRC_DATAMASK;
457 }
458 
459 void
460 eap1371_src_write(struct eap_softc *sc, int a, int d)
461 {
462 	u_int32_t r;
463 
464 	r = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
465 	r |= E1371_SRC_RAMWE | E1371_SRC_ADDR(a) | E1371_SRC_DATA(d);
466 	EWRITE4(sc, E1371_SRC, r);
467 }
468 
469 void
470 eap1371_set_adc_rate(struct eap_softc *sc, int rate)
471 {
472 	int freq, n, truncm;
473 	int out;
474 	int s;
475 
476 	/* Whatever, it works, so I'll leave it :) */
477 
478 	if (rate > 48000)
479 		rate = 48000;
480 	if (rate < 4000)
481 		rate = 4000;
482 	n = rate / 3000;
483 	if ((1 << n) & SRC_MAGIC)
484 		n--;
485 	truncm = ((21 * n) - 1) | 1;
486 	freq = ((48000 << 15) / rate) * n;
487 	if (rate >= 24000) {
488 		if (truncm > 239)
489 			truncm = 239;
490 		out = ESRC_SET_TRUNC((239 - truncm) / 2);
491 	} else {
492 		if (truncm > 119)
493 			truncm = 119;
494 		out = ESRC_SMF | ESRC_SET_TRUNC((119 - truncm) / 2);
495 	}
496  	out |= ESRC_SET_N(n);
497 	s = splaudio();
498 	eap1371_src_write(sc, ESRC_ADC+ESRC_TRUNC_N, out);
499 
500 
501 	out = eap1371_src_read(sc, ESRC_ADC+ESRC_IREGS) & 0xff;
502 	eap1371_src_write(sc, ESRC_ADC+ESRC_IREGS, out |
503 			  ESRC_SET_VFI(freq >> 15));
504 	eap1371_src_write(sc, ESRC_ADC+ESRC_VFF, freq & 0x7fff);
505 	eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(n));
506 	eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(n));
507 	splx(s);
508 }
509 
510 void
511 eap1371_set_dac_rate(struct eap_softc *sc, int rate, int which)
512 {
513 	int dac = which == 1 ? ESRC_DAC1 : ESRC_DAC2;
514 	int freq, r;
515 	int s;
516 
517 	/* Whatever, it works, so I'll leave it :) */
518 
519 	if (rate > 48000)
520 	    rate = 48000;
521 	if (rate < 4000)
522 	    rate = 4000;
523 	freq = ((rate << 15) + 1500) / 3000;
524 
525 	s = splaudio();
526 	eap1371_src_wait(sc);
527 	r = EREAD4(sc, E1371_SRC) & (E1371_SRC_DISABLE |
528 	    E1371_SRC_DISP2 | E1371_SRC_DISP1 | E1371_SRC_DISREC);
529 	r |= (which == 1) ? E1371_SRC_DISP1 : E1371_SRC_DISP2;
530 	EWRITE4(sc, E1371_SRC, r);
531 	r = eap1371_src_read(sc, dac + ESRC_IREGS) & 0x00ff;
532 	eap1371_src_write(sc, dac + ESRC_IREGS, r | ((freq >> 5) & 0xfc00));
533 	eap1371_src_write(sc, dac + ESRC_VFF, freq & 0x7fff);
534 	r = EREAD4(sc, E1371_SRC) & (E1371_SRC_DISABLE |
535 	    E1371_SRC_DISP2 | E1371_SRC_DISP1 | E1371_SRC_DISREC);
536 	r &= ~(which == 1 ? E1371_SRC_DISP1 : E1371_SRC_DISP2);
537 	EWRITE4(sc, E1371_SRC, r);
538 	splx(s);
539 }
540 
541 void
542 eap_attach(struct device *parent, struct device *self, void *aux)
543 {
544 	struct eap_softc *sc = (struct eap_softc *)self;
545 	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
546 	pci_chipset_tag_t pc = pa->pa_pc;
547 	struct audio_hw_if *eap_hw_if;
548 	char const *intrstr;
549 	pci_intr_handle_t ih;
550 	pcireg_t csr;
551 	char devinfo[256];
552 	mixer_ctrl_t ctl;
553 	int i;
554 	int revision, ct5880;
555 	const char *revstr = "";
556 
557 	/* Flag if we're "creative" */
558 	sc->sc_1371 = !(PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
559 			PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_AUDIOPCI);
560 
561 	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
562 	revision = PCI_REVISION(pa->pa_class);
563 	if (sc->sc_1371) {
564 		ct5880 = 0;
565 		if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
566 		    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_CT5880)
567 			ct5880 = 1;
568 		switch (revision) {
569 		case EAP_EV1938_A: revstr = "EV1938A "; break;
570 		case EAP_CT5880_C: revstr = "CT5880C "; ct5880 = 1; break;
571 		case EAP_ES1373_A: revstr = "ES1373A "; break;
572 		case EAP_ES1373_B: revstr = "ES1373B "; break;
573 		case EAP_CT5880_A: revstr = "CT5880A "; ct5880 = 1; break;
574 		case EAP_ES1371_B: revstr = "ES1371B "; break;
575 		}
576 	}
577 	printf(": %s %s(rev. 0x%02x)\n", devinfo, revstr, revision);
578 
579 	/* Map I/O register */
580 	if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
581 	      &sc->iot, &sc->ioh, NULL, NULL)) {
582 		printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
583 		return;
584 	}
585 
586 	sc->sc_dmatag = pa->pa_dmat;
587 
588 	/* Enable the device. */
589 	csr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
590 	pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
591 		       csr | PCI_COMMAND_MASTER_ENABLE);
592 
593 	/* Map and establish the interrupt. */
594 	if (pci_intr_map(pa, &ih)) {
595 		printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
596 		return;
597 	}
598 	intrstr = pci_intr_string(pc, ih);
599 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, eap_intr, sc);
600 	if (sc->sc_ih == NULL) {
601 		printf("%s: couldn't establish interrupt",
602 		    sc->sc_dev.dv_xname);
603 		if (intrstr != NULL)
604 			printf(" at %s", intrstr);
605 		printf("\n");
606 		return;
607 	}
608 	printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
609 
610 	if (!sc->sc_1371) {
611 		/* Enable interrupts and looping mode. */
612 		/* enable the parts we need */
613 		EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
614 		EWRITE4(sc, EAP_ICSC, EAP_CDC_EN);
615 
616 		/* reset codec */
617 		/* normal operation */
618 		/* select codec clocks */
619 		eap1370_write_codec(sc, AK_RESET, AK_PD);
620 		eap1370_write_codec(sc, AK_RESET, AK_PD | AK_NRST);
621 		eap1370_write_codec(sc, AK_CS, 0x0);
622 
623 		eap_hw_if = &eap1370_hw_if;
624 
625 		/* Enable all relevant mixer switches. */
626 		ctl.dev = EAP_OUTPUT_SELECT;
627 		ctl.type = AUDIO_MIXER_SET;
628 		ctl.un.mask = 1 << EAP_VOICE_VOL | 1 << EAP_FM_VOL |
629 			1 << EAP_CD_VOL | 1 << EAP_LINE_VOL | 1 << EAP_AUX_VOL |
630 			1 << EAP_MIC_VOL;
631 		eap_hw_if->set_port(sc, &ctl);
632 
633 		ctl.type = AUDIO_MIXER_VALUE;
634 		ctl.un.value.num_channels = 1;
635 		for (ctl.dev = EAP_MASTER_VOL; ctl.dev < EAP_MIC_VOL;
636 		     ctl.dev++) {
637 			ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = VOL_0DB;
638 			eap_hw_if->set_port(sc, &ctl);
639 		}
640 		ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = 0;
641 		eap_hw_if->set_port(sc, &ctl);
642 		ctl.dev = EAP_MIC_PREAMP;
643 		ctl.type = AUDIO_MIXER_ENUM;
644 		ctl.un.ord = 0;
645 		eap_hw_if->set_port(sc, &ctl);
646 		ctl.dev = EAP_RECORD_SOURCE;
647 		ctl.type = AUDIO_MIXER_SET;
648 		ctl.un.mask = 1 << EAP_MIC_VOL;
649 		eap_hw_if->set_port(sc, &ctl);
650 	} else {
651 		/* clean slate */
652 
653                 EWRITE4(sc, EAP_SIC, 0);
654 		EWRITE4(sc, EAP_ICSC, 0);
655 		EWRITE4(sc, E1371_LEGACY, 0);
656 
657 		if (ct5880) {
658 			EWRITE4(sc, EAP_ICSS, EAP_CT5880_AC97_RESET);
659 			/* Let codec wake up */
660 			tsleep(sc, PRIBIO, "eapcdc", hz / 20);
661 		}
662 
663                 /* Reset from es1371's perspective */
664                 EWRITE4(sc, EAP_ICSC, E1371_SYNC_RES);
665                 delay(20);
666                 EWRITE4(sc, EAP_ICSC, 0);
667 
668 		/*
669 		 * Must properly reprogram sample rate converter,
670 		 * or it locks up.  Set some defaults for the life of the
671 		 * machine, and set up a sb default sample rate.
672 		 */
673 		EWRITE4(sc, E1371_SRC, E1371_SRC_DISABLE);
674 		for (i = 0; i < 0x80; i++)
675 			eap1371_src_write(sc, i, 0);
676 		eap1371_src_write(sc, ESRC_DAC1+ESRC_TRUNC_N, ESRC_SET_N(16));
677 		eap1371_src_write(sc, ESRC_DAC2+ESRC_TRUNC_N, ESRC_SET_N(16));
678 		eap1371_src_write(sc, ESRC_DAC1+ESRC_IREGS, ESRC_SET_VFI(16));
679 		eap1371_src_write(sc, ESRC_DAC2+ESRC_IREGS, ESRC_SET_VFI(16));
680 		eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(16));
681 		eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(16));
682 		eap1371_src_write(sc, ESRC_DAC1_VOLL, ESRC_SET_DAC_VOLI(1));
683 		eap1371_src_write(sc, ESRC_DAC1_VOLR, ESRC_SET_DAC_VOLI(1));
684 		eap1371_src_write(sc, ESRC_DAC2_VOLL, ESRC_SET_DAC_VOLI(1));
685 		eap1371_src_write(sc, ESRC_DAC2_VOLR, ESRC_SET_DAC_VOLI(1));
686 		eap1371_set_adc_rate(sc, 22050);
687 		eap1371_set_dac_rate(sc, 22050, 1);
688 		eap1371_set_dac_rate(sc, 22050, 2);
689 
690 		EWRITE4(sc, E1371_SRC, 0);
691 
692 		/* Reset codec */
693 
694 		/* Interrupt enable */
695 		sc->host_if.arg = sc;
696 		sc->host_if.attach = eap1371_attach_codec;
697 		sc->host_if.read = eap1371_read_codec;
698 		sc->host_if.write = eap1371_write_codec;
699 		sc->host_if.reset = eap1371_reset_codec;
700 
701 		if (ac97_attach(&sc->host_if) == 0) {
702 			/* Interrupt enable */
703 			EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
704 		} else
705 			return;
706 
707 		eap_hw_if = &eap1371_hw_if;
708 
709 		/* Just enable the DAC and master volumes by default */
710 		ctl.type = AUDIO_MIXER_ENUM;
711 		ctl.un.ord = 0;  /* off */
712 		ctl.dev = eap1371_get_portnum_by_name(sc, AudioCoutputs,
713 		       AudioNmaster, AudioNmute);
714 		eap1371_mixer_set_port(sc, &ctl);
715 		ctl.dev = eap1371_get_portnum_by_name(sc, AudioCinputs,
716 		       AudioNdac, AudioNmute);
717 		eap1371_mixer_set_port(sc, &ctl);
718 		ctl.dev = eap1371_get_portnum_by_name(sc, AudioCrecord,
719 		       AudioNvolume, AudioNmute);
720 		eap1371_mixer_set_port(sc, &ctl);
721 
722 		ctl.dev = eap1371_get_portnum_by_name(sc, AudioCrecord,
723 		       AudioNsource, NULL);
724 		ctl.type = AUDIO_MIXER_ENUM;
725 		ctl.un.ord = 0;
726 		eap1371_mixer_set_port(sc, &ctl);
727 
728 	}
729 
730 	audio_attach_mi(eap_hw_if, sc, &sc->sc_dev);
731 
732 #if NMIDI > 0
733 	midi_attach_mi(&eap_midi_hw_if, sc, &sc->sc_dev);
734 #endif
735 }
736 
737 int
738 eap1371_attach_codec(void *sc_, struct ac97_codec_if *codec_if)
739 {
740 	struct eap_softc *sc = sc_;
741 
742 	sc->codec_if = codec_if;
743 	return (0);
744 }
745 
746 void
747 eap1371_reset_codec(void *sc_)
748 {
749 	struct eap_softc *sc = sc_;
750 	u_int32_t icsc;
751 	int s;
752 
753 	s = splaudio();
754 	icsc = EREAD4(sc, EAP_ICSC);
755 	EWRITE4(sc, EAP_ICSC, icsc | E1371_SYNC_RES);
756 	delay(20);
757 	EWRITE4(sc, EAP_ICSC, icsc & ~E1371_SYNC_RES);
758 	delay(1);
759 	splx(s);
760 
761 	return;
762 }
763 
764 int
765 eap_intr(void *p)
766 {
767 	struct eap_softc *sc = p;
768 	u_int32_t intr, sic;
769 
770 	intr = EREAD4(sc, EAP_ICSS);
771 	if (!(intr & EAP_INTR))
772 		return (0);
773 	sic = EREAD4(sc, EAP_SIC);
774 	DPRINTFN(5, ("eap_intr: ICSS=0x%08x, SIC=0x%08x\n", intr, sic));
775 	if (intr & EAP_I_ADC) {
776 #if 0
777 		/*
778 		 * XXX This is a hack!
779 		 * The EAP chip sometimes generates the recording interrupt
780 		 * while it is still transferring the data.  To make sure
781 		 * it has all arrived we busy wait until the count is right.
782 		 * The transfer we are waiting for is 8 longwords.
783 		 */
784 		int s, nw, n;
785 		EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
786 		s = EREAD4(sc, EAP_ADC_CSR);
787 		nw = ((s & 0xffff) + 1) >> 2; /* # of words in DMA */
788 		n = 0;
789 		while (((EREAD4(sc, EAP_ADC_SIZE) >> 16) + 8) % nw == 0) {
790 			delay(10);
791 			if (++n > 100) {
792 				printf("eapintr: dma fix timeout");
793 				break;
794 			}
795 		}
796 		/* Continue with normal interrupt handling. */
797 #endif
798 		EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
799 		EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
800 		if (sc->sc_rintr)
801 			sc->sc_rintr(sc->sc_rarg);
802 	}
803 	if (intr & EAP_I_DAC2) {
804 		EWRITE4(sc, EAP_SIC, sic & ~EAP_P2_INTR_EN);
805 		EWRITE4(sc, EAP_SIC, sic | EAP_P2_INTR_EN);
806 		if (sc->sc_pintr)
807 			sc->sc_pintr(sc->sc_parg);
808 	}
809 #if NMIDI > 0
810 	if ((intr & EAP_I_UART) && sc->sc_iintr != NULL) {
811 		u_int32_t data;
812 
813 		if (EREAD1(sc, EAP_UART_STATUS) & EAP_US_RXINT) {
814 			while (EREAD1(sc, EAP_UART_STATUS) & EAP_US_RXRDY) {
815 				data = EREAD1(sc, EAP_UART_DATA);
816 				sc->sc_iintr(sc->sc_arg, data);
817 			}
818 		}
819 	}
820 #endif
821 	return (1);
822 }
823 
824 int
825 eap_allocmem(struct eap_softc *sc, size_t size, size_t align, struct eap_dma *p)
826 {
827 	int error;
828 
829 	p->size = size;
830 	error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
831 				 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
832 				 &p->nsegs, BUS_DMA_NOWAIT);
833 	if (error)
834 		return (error);
835 
836 	error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
837 			       &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
838 	if (error)
839 		goto free;
840 
841 	error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
842 				  0, BUS_DMA_NOWAIT, &p->map);
843 	if (error)
844 		goto unmap;
845 
846 	error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
847 				BUS_DMA_NOWAIT);
848 	if (error)
849 		goto destroy;
850 	return (0);
851 
852 destroy:
853 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
854 unmap:
855 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
856 free:
857 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
858 	return (error);
859 }
860 
861 int
862 eap_freemem(struct eap_softc *sc, struct eap_dma *p)
863 {
864 	bus_dmamap_unload(sc->sc_dmatag, p->map);
865 	bus_dmamap_destroy(sc->sc_dmatag, p->map);
866 	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
867 	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
868 	return (0);
869 }
870 
871 int
872 eap_open(void *addr, int flags)
873 {
874 	return (0);
875 }
876 
877 /*
878  * Close function is called at splaudio().
879  */
880 void
881 eap_close(void *addr)
882 {
883 	struct eap_softc *sc = addr;
884 
885 	eap_halt_output(sc);
886 	eap_halt_input(sc);
887 
888 	sc->sc_pintr = 0;
889 	sc->sc_rintr = 0;
890 }
891 
892 int
893 eap_query_encoding(void *addr, struct audio_encoding *fp)
894 {
895 	switch (fp->index) {
896 	case 0:
897 		strcpy(fp->name, AudioEulinear);
898 		fp->encoding = AUDIO_ENCODING_ULINEAR;
899 		fp->precision = 8;
900 		fp->flags = 0;
901 		return (0);
902 	case 1:
903 		strcpy(fp->name, AudioEmulaw);
904 		fp->encoding = AUDIO_ENCODING_ULAW;
905 		fp->precision = 8;
906 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
907 		return (0);
908 	case 2:
909 		strcpy(fp->name, AudioEalaw);
910 		fp->encoding = AUDIO_ENCODING_ALAW;
911 		fp->precision = 8;
912 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
913 		return (0);
914 	case 3:
915 		strcpy(fp->name, AudioEslinear);
916 		fp->encoding = AUDIO_ENCODING_SLINEAR;
917 		fp->precision = 8;
918 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
919 		return (0);
920 	case 4:
921 		strcpy(fp->name, AudioEslinear_le);
922 		fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
923 		fp->precision = 16;
924 		fp->flags = 0;
925 		return (0);
926 	case 5:
927 		strcpy(fp->name, AudioEulinear_le);
928 		fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
929 		fp->precision = 16;
930 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
931 		return (0);
932 	case 6:
933 		strcpy(fp->name, AudioEslinear_be);
934 		fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
935 		fp->precision = 16;
936 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
937 		return (0);
938 	case 7:
939 		strcpy(fp->name, AudioEulinear_be);
940 		fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
941 		fp->precision = 16;
942 		fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
943 		return (0);
944 	default:
945 		return (EINVAL);
946 	}
947 }
948 
949 int
950 eap_set_params(void *addr, int setmode, int usemode,
951 	       struct audio_params *play, struct audio_params *rec)
952 {
953 	struct eap_softc *sc = addr;
954 	struct audio_params *p;
955 	int mode;
956 	u_int32_t div;
957 
958 	/*
959 	 * The es1370 only has one clock, so make the sample rates match.
960 	 */
961 	if (!sc->sc_1371) {
962 	    if (play->sample_rate != rec->sample_rate &&
963 		usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
964 	    	if (setmode == AUMODE_PLAY) {
965 		    rec->sample_rate = play->sample_rate;
966 		    setmode |= AUMODE_RECORD;
967 		} else if (setmode == AUMODE_RECORD) {
968 		    play->sample_rate = rec->sample_rate;
969 		    setmode |= AUMODE_PLAY;
970 		} else
971 		    return (EINVAL);
972 	    }
973 	}
974 
975 	for (mode = AUMODE_RECORD; mode != -1;
976 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
977 		if ((setmode & mode) == 0)
978 			continue;
979 
980 		p = mode == AUMODE_PLAY ? play : rec;
981 
982 		if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
983 		    (p->precision != 8 && p->precision != 16) ||
984 		    (p->channels != 1 && p->channels != 2))
985 			return (EINVAL);
986 
987 		p->factor = 1;
988 		p->sw_code = 0;
989 		switch (p->encoding) {
990 		case AUDIO_ENCODING_SLINEAR_BE:
991 			if (p->precision == 16)
992 				p->sw_code = swap_bytes;
993 			else
994 				p->sw_code = change_sign8;
995 			break;
996 		case AUDIO_ENCODING_SLINEAR_LE:
997 			if (p->precision != 16)
998 				p->sw_code = change_sign8;
999 			break;
1000 		case AUDIO_ENCODING_ULINEAR_BE:
1001 			if (p->precision == 16) {
1002 				if (mode == AUMODE_PLAY)
1003 					p->sw_code = swap_bytes_change_sign16_le;
1004 				else
1005 					p->sw_code = change_sign16_swap_bytes_le;
1006 			}
1007 			break;
1008 		case AUDIO_ENCODING_ULINEAR_LE:
1009 			if (p->precision == 16)
1010 				p->sw_code = change_sign16_le;
1011 			break;
1012 		case AUDIO_ENCODING_ULAW:
1013 			if (mode == AUMODE_PLAY) {
1014 				p->factor = 2;
1015 				p->sw_code = mulaw_to_slinear16_le;
1016 			} else
1017 				p->sw_code = ulinear8_to_mulaw;
1018 			break;
1019 		case AUDIO_ENCODING_ALAW:
1020 			if (mode == AUMODE_PLAY) {
1021 				p->factor = 2;
1022 				p->sw_code = alaw_to_slinear16_le;
1023 			} else
1024 				p->sw_code = ulinear8_to_alaw;
1025 			break;
1026 		default:
1027 			return (EINVAL);
1028 		}
1029 	}
1030 
1031 	if (sc->sc_1371) {
1032 		eap1371_set_dac_rate(sc, play->sample_rate, 1);
1033 		eap1371_set_dac_rate(sc, play->sample_rate, 2);
1034 		eap1371_set_adc_rate(sc, rec->sample_rate);
1035 	} else {
1036 		/* Set the speed */
1037 		DPRINTFN(2, ("eap_set_params: old ICSC = 0x%08x\n",
1038 			     EREAD4(sc, EAP_ICSC)));
1039 		div = EREAD4(sc, EAP_ICSC) & ~EAP_PCLKBITS;
1040 		/*
1041 		 * XXX
1042 		 * The -2 isn't documented, but seemed to make the wall
1043 		 * time match
1044 		 * what I expect.  - mycroft
1045 		 */
1046 		if (usemode == AUMODE_RECORD)
1047 			div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ /
1048 				rec->sample_rate - 2);
1049 		else
1050 			div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ /
1051 				play->sample_rate - 2);
1052 		div |= EAP_CCB_INTRM;
1053 		EWRITE4(sc, EAP_ICSC, div);
1054 		DPRINTFN(2, ("eap_set_params: set ICSC = 0x%08x\n", div));
1055 	}
1056 
1057 	return (0);
1058 }
1059 
1060 int
1061 eap_round_blocksize(void *addr, int blk)
1062 {
1063 	return (blk & -32);	/* keep good alignment */
1064 }
1065 
1066 int
1067 eap_trigger_output(
1068 	void *addr,
1069 	void *start,
1070 	void *end,
1071 	int blksize,
1072 	void (*intr)(void *),
1073 	void *arg,
1074 	struct audio_params *param)
1075 {
1076 	struct eap_softc *sc = addr;
1077 	struct eap_dma *p;
1078 	u_int32_t icsc, sic;
1079 	int sampshift;
1080 
1081 #ifdef DIAGNOSTIC
1082 	if (sc->sc_prun)
1083 		panic("eap_trigger_output: already running");
1084 	sc->sc_prun = 1;
1085 #endif
1086 
1087 	DPRINTFN(1, ("eap_trigger_output: sc=%p start=%p end=%p "
1088 	    "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1089 	sc->sc_pintr = intr;
1090 	sc->sc_parg = arg;
1091 
1092 	sic = EREAD4(sc, EAP_SIC);
1093 	sic &= ~(EAP_P2_S_EB | EAP_P2_S_MB | EAP_INC_BITS);
1094 	sic |= EAP_SET_P2_ST_INC(0) | EAP_SET_P2_END_INC(param->precision * param->factor / 8);
1095 	sampshift = 0;
1096 	if (param->precision * param->factor == 16) {
1097 		sic |= EAP_P2_S_EB;
1098 		sampshift++;
1099 	}
1100 	if (param->channels == 2) {
1101 		sic |= EAP_P2_S_MB;
1102 		sampshift++;
1103 	}
1104 	EWRITE4(sc, EAP_SIC, sic & ~EAP_P2_INTR_EN);
1105 	EWRITE4(sc, EAP_SIC, sic | EAP_P2_INTR_EN);
1106 
1107 	for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1108 		;
1109 	if (!p) {
1110 		printf("eap_trigger_output: bad addr %p\n", start);
1111 		return (EINVAL);
1112 	}
1113 
1114 	DPRINTF(("eap_trigger_output: DAC2_ADDR=0x%x, DAC2_SIZE=0x%x\n",
1115 		 (int)DMAADDR(p),
1116 		 EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1)));
1117 	EWRITE4(sc, EAP_MEMPAGE, EAP_DAC_PAGE);
1118 	EWRITE4(sc, EAP_DAC2_ADDR, DMAADDR(p));
1119 	EWRITE4(sc, EAP_DAC2_SIZE,
1120 		EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1));
1121 
1122 	EWRITE4(sc, EAP_DAC2_CSR, (blksize >> sampshift) - 1);
1123 
1124 	if (sc->sc_1371)
1125 		EWRITE4(sc, E1371_SRC, 0);
1126 
1127 	icsc = EREAD4(sc, EAP_ICSC);
1128 	EWRITE4(sc, EAP_ICSC, icsc | EAP_DAC2_EN);
1129 
1130 	DPRINTFN(1, ("eap_trigger_output: set ICSC = 0x%08x\n", icsc));
1131 
1132 	return (0);
1133 }
1134 
1135 int
1136 eap_trigger_input(
1137 	void *addr,
1138 	void *start,
1139 	void *end,
1140 	int blksize,
1141 	void (*intr)(void *),
1142 	void *arg,
1143 	struct audio_params *param)
1144 {
1145 	struct eap_softc *sc = addr;
1146 	struct eap_dma *p;
1147 	u_int32_t icsc, sic;
1148 	int sampshift;
1149 
1150 #ifdef DIAGNOSTIC
1151 	if (sc->sc_rrun)
1152 		panic("eap_trigger_input: already running");
1153 	sc->sc_rrun = 1;
1154 #endif
1155 
1156 	DPRINTFN(1, ("eap_trigger_input: sc=%p start=%p end=%p blksize=%d intr=%p(%p)\n",
1157 	    addr, start, end, blksize, intr, arg));
1158 	sc->sc_rintr = intr;
1159 	sc->sc_rarg = arg;
1160 
1161 	sic = EREAD4(sc, EAP_SIC);
1162 	sic &= ~(EAP_R1_S_EB | EAP_R1_S_MB);
1163 	sampshift = 0;
1164 	if (param->precision * param->factor == 16) {
1165 		sic |= EAP_R1_S_EB;
1166 		sampshift++;
1167 	}
1168 	if (param->channels == 2) {
1169 		sic |= EAP_R1_S_MB;
1170 		sampshift++;
1171 	}
1172 	EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
1173 	EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
1174 
1175 	for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1176 		;
1177 	if (!p) {
1178 		printf("eap_trigger_input: bad addr %p\n", start);
1179 		return (EINVAL);
1180 	}
1181 
1182 	DPRINTF(("eap_trigger_input: ADC_ADDR=0x%x, ADC_SIZE=0x%x\n",
1183 		 (int)DMAADDR(p),
1184 		 EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1)));
1185 	EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
1186 	EWRITE4(sc, EAP_ADC_ADDR, DMAADDR(p));
1187 	EWRITE4(sc, EAP_ADC_SIZE,
1188 		EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1));
1189 
1190 	EWRITE4(sc, EAP_ADC_CSR, (blksize >> sampshift) - 1);
1191 
1192 	if (sc->sc_1371)
1193 		EWRITE4(sc, E1371_SRC, 0);
1194 
1195 	icsc = EREAD4(sc, EAP_ICSC);
1196 	EWRITE4(sc, EAP_ICSC, icsc | EAP_ADC_EN);
1197 
1198 	DPRINTFN(1, ("eap_trigger_input: set ICSC = 0x%08x\n", icsc));
1199 
1200 	return (0);
1201 }
1202 
1203 int
1204 eap_halt_output(void *addr)
1205 {
1206 	struct eap_softc *sc = addr;
1207 	u_int32_t icsc;
1208 
1209 	DPRINTF(("eap: eap_halt_output\n"));
1210 	icsc = EREAD4(sc, EAP_ICSC);
1211 	EWRITE4(sc, EAP_ICSC, icsc & ~EAP_DAC2_EN);
1212 #ifdef DIAGNOSTIC
1213 	sc->sc_prun = 0;
1214 #endif
1215 	return (0);
1216 }
1217 
1218 int
1219 eap_halt_input(void *addr)
1220 {
1221 	struct eap_softc *sc = addr;
1222 	u_int32_t icsc;
1223 
1224 	DPRINTF(("eap: eap_halt_input\n"));
1225 	icsc = EREAD4(sc, EAP_ICSC);
1226 	EWRITE4(sc, EAP_ICSC, icsc & ~EAP_ADC_EN);
1227 #ifdef DIAGNOSTIC
1228 	sc->sc_rrun = 0;
1229 #endif
1230 	return (0);
1231 }
1232 
1233 int
1234 eap_getdev(void *addr, struct audio_device *retp)
1235 {
1236 	*retp = eap_device;
1237 	return (0);
1238 }
1239 
1240 int
1241 eap1371_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1242 {
1243 	struct eap_softc *sc = addr;
1244 
1245 	return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp));
1246 }
1247 
1248 int
1249 eap1371_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1250 {
1251 	struct eap_softc *sc = addr;
1252 
1253 	return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp));
1254 }
1255 
1256 int
1257 eap1371_query_devinfo(void *addr, mixer_devinfo_t *dip)
1258 {
1259 	struct eap_softc *sc = addr;
1260 
1261 	return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip));
1262 }
1263 
1264 int
1265 eap1371_get_portnum_by_name(struct eap_softc *sc,
1266 			    char *class, char *device, char *qualifier)
1267 {
1268 	return (sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, class,
1269 	     device, qualifier));
1270 }
1271 
1272 void
1273 eap1370_set_mixer(struct eap_softc *sc, int a, int d)
1274 {
1275 	eap1370_write_codec(sc, a, d);
1276 
1277 	sc->sc_port[a] = d;
1278 	DPRINTFN(1, ("eap1370_mixer_set_port port 0x%02x = 0x%02x\n", a, d));
1279 }
1280 
1281 int
1282 eap1370_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1283 {
1284 	struct eap_softc *sc = addr;
1285 	int lval, rval, l, r, la, ra;
1286 	int l1, r1, l2, r2, m, o1, o2;
1287 
1288 	if (cp->dev == EAP_RECORD_SOURCE) {
1289 		if (cp->type != AUDIO_MIXER_SET)
1290 			return (EINVAL);
1291 		m = sc->sc_record_source = cp->un.mask;
1292 		l1 = l2 = r1 = r2 = 0;
1293 		if (m & (1 << EAP_VOICE_VOL))
1294 			l2 |= AK_M_VOICE, r2 |= AK_M_VOICE;
1295 		if (m & (1 << EAP_FM_VOL))
1296 			l1 |= AK_M_FM_L, r1 |= AK_M_FM_R;
1297 		if (m & (1 << EAP_CD_VOL))
1298 			l1 |= AK_M_CD_L, r1 |= AK_M_CD_R;
1299 		if (m & (1 << EAP_LINE_VOL))
1300 			l1 |= AK_M_LINE_L, r1 |= AK_M_LINE_R;
1301 		if (m & (1 << EAP_AUX_VOL))
1302 			l2 |= AK_M2_AUX_L, r2 |= AK_M2_AUX_R;
1303 		if (m & (1 << EAP_MIC_VOL))
1304 			l2 |= AK_M_TMIC, r2 |= AK_M_TMIC;
1305 		eap1370_set_mixer(sc, AK_IN_MIXER1_L, l1);
1306 		eap1370_set_mixer(sc, AK_IN_MIXER1_R, r1);
1307 		eap1370_set_mixer(sc, AK_IN_MIXER2_L, l2);
1308 		eap1370_set_mixer(sc, AK_IN_MIXER2_R, r2);
1309 		return (0);
1310 	}
1311 	if (cp->dev == EAP_OUTPUT_SELECT) {
1312 		if (cp->type != AUDIO_MIXER_SET)
1313 			return (EINVAL);
1314 		m = sc->sc_output_source = cp->un.mask;
1315 		o1 = o2 = 0;
1316 		if (m & (1 << EAP_VOICE_VOL))
1317 			o2 |= AK_M_VOICE_L | AK_M_VOICE_R;
1318 		if (m & (1 << EAP_FM_VOL))
1319 			o1 |= AK_M_FM_L | AK_M_FM_R;
1320 		if (m & (1 << EAP_CD_VOL))
1321 			o1 |= AK_M_CD_L | AK_M_CD_R;
1322 		if (m & (1 << EAP_LINE_VOL))
1323 			o1 |= AK_M_LINE_L | AK_M_LINE_R;
1324 		if (m & (1 << EAP_AUX_VOL))
1325 			o2 |= AK_M_AUX_L | AK_M_AUX_R;
1326 		if (m & (1 << EAP_MIC_VOL))
1327 			o1 |= AK_M_MIC;
1328 		eap1370_set_mixer(sc, AK_OUT_MIXER1, o1);
1329 		eap1370_set_mixer(sc, AK_OUT_MIXER2, o2);
1330 		return (0);
1331 	}
1332 	if (cp->dev == EAP_MIC_PREAMP) {
1333 		if (cp->type != AUDIO_MIXER_ENUM)
1334 			return (EINVAL);
1335 		if (cp->un.ord != 0 && cp->un.ord != 1)
1336 			return (EINVAL);
1337 		sc->sc_mic_preamp = cp->un.ord;
1338 		eap1370_set_mixer(sc, AK_MGAIN, cp->un.ord);
1339 		return (0);
1340 	}
1341 	if (cp->type != AUDIO_MIXER_VALUE)
1342 		return (EINVAL);
1343 	if (cp->un.value.num_channels == 1)
1344 		lval = rval = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
1345 	else if (cp->un.value.num_channels == 2) {
1346 		lval = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
1347 		rval = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
1348 	} else
1349 		return (EINVAL);
1350 	ra = -1;
1351 	switch (cp->dev) {
1352 	case EAP_MASTER_VOL:
1353 		l = VOL_TO_ATT5(lval);
1354 		r = VOL_TO_ATT5(rval);
1355 		la = AK_MASTER_L;
1356 		ra = AK_MASTER_R;
1357 		break;
1358 	case EAP_MIC_VOL:
1359 		if (cp->un.value.num_channels != 1)
1360 			return (EINVAL);
1361 		la = AK_MIC;
1362 		goto lr;
1363 	case EAP_VOICE_VOL:
1364 		la = AK_VOICE_L;
1365 		ra = AK_VOICE_R;
1366 		goto lr;
1367 	case EAP_FM_VOL:
1368 		la = AK_FM_L;
1369 		ra = AK_FM_R;
1370 		goto lr;
1371 	case EAP_CD_VOL:
1372 		la = AK_CD_L;
1373 		ra = AK_CD_R;
1374 		goto lr;
1375 	case EAP_LINE_VOL:
1376 		la = AK_LINE_L;
1377 		ra = AK_LINE_R;
1378 		goto lr;
1379 	case EAP_AUX_VOL:
1380 		la = AK_AUX_L;
1381 		ra = AK_AUX_R;
1382 	lr:
1383 		l = VOL_TO_GAIN5(lval);
1384 		r = VOL_TO_GAIN5(rval);
1385 		break;
1386 	default:
1387 		return (EINVAL);
1388 	}
1389 	eap1370_set_mixer(sc, la, l);
1390 	if (ra >= 0) {
1391 		eap1370_set_mixer(sc, ra, r);
1392 	}
1393 	return (0);
1394 }
1395 
1396 int
1397 eap1370_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1398 {
1399 	struct eap_softc *sc = addr;
1400 	int la, ra, l, r;
1401 
1402 	switch (cp->dev) {
1403 	case EAP_RECORD_SOURCE:
1404 		if (cp->type != AUDIO_MIXER_SET)
1405 			return (EINVAL);
1406 		cp->un.mask = sc->sc_record_source;
1407 		return (0);
1408 	case EAP_OUTPUT_SELECT:
1409 		if (cp->type != AUDIO_MIXER_SET)
1410 			return (EINVAL);
1411 		cp->un.mask = sc->sc_output_source;
1412 		return (0);
1413 	case EAP_MIC_PREAMP:
1414 		if (cp->type != AUDIO_MIXER_ENUM)
1415 			return (EINVAL);
1416 		cp->un.ord = sc->sc_mic_preamp;
1417 		return (0);
1418 	case EAP_MASTER_VOL:
1419 		l = ATT5_TO_VOL(sc->sc_port[AK_MASTER_L]);
1420 		r = ATT5_TO_VOL(sc->sc_port[AK_MASTER_R]);
1421 		break;
1422 	case EAP_MIC_VOL:
1423 		if (cp->un.value.num_channels != 1)
1424 			return (EINVAL);
1425 		la = ra = AK_MIC;
1426 		goto lr;
1427 	case EAP_VOICE_VOL:
1428 		la = AK_VOICE_L;
1429 		ra = AK_VOICE_R;
1430 		goto lr;
1431 	case EAP_FM_VOL:
1432 		la = AK_FM_L;
1433 		ra = AK_FM_R;
1434 		goto lr;
1435 	case EAP_CD_VOL:
1436 		la = AK_CD_L;
1437 		ra = AK_CD_R;
1438 		goto lr;
1439 	case EAP_LINE_VOL:
1440 		la = AK_LINE_L;
1441 		ra = AK_LINE_R;
1442 		goto lr;
1443 	case EAP_AUX_VOL:
1444 		la = AK_AUX_L;
1445 		ra = AK_AUX_R;
1446 	lr:
1447 		l = GAIN5_TO_VOL(sc->sc_port[la]);
1448 		r = GAIN5_TO_VOL(sc->sc_port[ra]);
1449 		break;
1450 	default:
1451 		return (EINVAL);
1452 	}
1453 	if (cp->un.value.num_channels == 1)
1454 		cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = (l+r) / 2;
1455 	else if (cp->un.value.num_channels == 2) {
1456 		cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]  = l;
1457 		cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
1458 	} else
1459 		return (EINVAL);
1460 	return (0);
1461 }
1462 
1463 int
1464 eap1370_query_devinfo(void *addr, mixer_devinfo_t *dip)
1465 {
1466 	switch (dip->index) {
1467 	case EAP_MASTER_VOL:
1468 		dip->type = AUDIO_MIXER_VALUE;
1469 		dip->mixer_class = EAP_OUTPUT_CLASS;
1470 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1471 		strcpy(dip->label.name, AudioNmaster);
1472 		dip->un.v.num_channels = 2;
1473 		strcpy(dip->un.v.units.name, AudioNvolume);
1474 		return (0);
1475 	case EAP_VOICE_VOL:
1476 		dip->type = AUDIO_MIXER_VALUE;
1477 		dip->mixer_class = EAP_INPUT_CLASS;
1478 		dip->prev = AUDIO_MIXER_LAST;
1479 		dip->next = AUDIO_MIXER_LAST;
1480 		strcpy(dip->label.name, AudioNdac);
1481 		dip->un.v.num_channels = 2;
1482 		strcpy(dip->un.v.units.name, AudioNvolume);
1483 		return (0);
1484 	case EAP_FM_VOL:
1485 		dip->type = AUDIO_MIXER_VALUE;
1486 		dip->mixer_class = EAP_INPUT_CLASS;
1487 		dip->prev = AUDIO_MIXER_LAST;
1488 		dip->next = AUDIO_MIXER_LAST;
1489 		strcpy(dip->label.name, AudioNfmsynth);
1490 		dip->un.v.num_channels = 2;
1491 		strcpy(dip->un.v.units.name, AudioNvolume);
1492 		return (0);
1493 	case EAP_CD_VOL:
1494 		dip->type = AUDIO_MIXER_VALUE;
1495 		dip->mixer_class = EAP_INPUT_CLASS;
1496 		dip->prev = AUDIO_MIXER_LAST;
1497 		dip->next = AUDIO_MIXER_LAST;
1498 		strcpy(dip->label.name, AudioNcd);
1499 		dip->un.v.num_channels = 2;
1500 		strcpy(dip->un.v.units.name, AudioNvolume);
1501 		return (0);
1502 	case EAP_LINE_VOL:
1503 		dip->type = AUDIO_MIXER_VALUE;
1504 		dip->mixer_class = EAP_INPUT_CLASS;
1505 		dip->prev = AUDIO_MIXER_LAST;
1506 		dip->next = AUDIO_MIXER_LAST;
1507 		strcpy(dip->label.name, AudioNline);
1508 		dip->un.v.num_channels = 2;
1509 		strcpy(dip->un.v.units.name, AudioNvolume);
1510 		return (0);
1511 	case EAP_AUX_VOL:
1512 		dip->type = AUDIO_MIXER_VALUE;
1513 		dip->mixer_class = EAP_INPUT_CLASS;
1514 		dip->prev = AUDIO_MIXER_LAST;
1515 		dip->next = AUDIO_MIXER_LAST;
1516 		strcpy(dip->label.name, AudioNaux);
1517 		dip->un.v.num_channels = 2;
1518 		strcpy(dip->un.v.units.name, AudioNvolume);
1519 		return (0);
1520 	case EAP_MIC_VOL:
1521 		dip->type = AUDIO_MIXER_VALUE;
1522 		dip->mixer_class = EAP_INPUT_CLASS;
1523 		dip->prev = AUDIO_MIXER_LAST;
1524 		dip->next = EAP_MIC_PREAMP;
1525 		strcpy(dip->label.name, AudioNmicrophone);
1526 		dip->un.v.num_channels = 1;
1527 		strcpy(dip->un.v.units.name, AudioNvolume);
1528 		return (0);
1529 	case EAP_RECORD_SOURCE:
1530 		dip->mixer_class = EAP_RECORD_CLASS;
1531 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1532 		strcpy(dip->label.name, AudioNsource);
1533 		dip->type = AUDIO_MIXER_SET;
1534 		dip->un.s.num_mem = 6;
1535 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1536 		dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1537 		strcpy(dip->un.s.member[1].label.name, AudioNcd);
1538 		dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1539 		strcpy(dip->un.s.member[2].label.name, AudioNline);
1540 		dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1541 		strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1542 		dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1543 		strcpy(dip->un.s.member[4].label.name, AudioNaux);
1544 		dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1545 		strcpy(dip->un.s.member[5].label.name, AudioNdac);
1546 		dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1547 		return (0);
1548 	case EAP_OUTPUT_SELECT:
1549 		dip->mixer_class = EAP_OUTPUT_CLASS;
1550 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1551 		strcpy(dip->label.name, AudioNselect);
1552 		dip->type = AUDIO_MIXER_SET;
1553 		dip->un.s.num_mem = 6;
1554 		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1555 		dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1556 		strcpy(dip->un.s.member[1].label.name, AudioNcd);
1557 		dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1558 		strcpy(dip->un.s.member[2].label.name, AudioNline);
1559 		dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1560 		strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1561 		dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1562 		strcpy(dip->un.s.member[4].label.name, AudioNaux);
1563 		dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1564 		strcpy(dip->un.s.member[5].label.name, AudioNdac);
1565 		dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1566 		return (0);
1567 	case EAP_MIC_PREAMP:
1568 		dip->type = AUDIO_MIXER_ENUM;
1569 		dip->mixer_class = EAP_INPUT_CLASS;
1570 		dip->prev = EAP_MIC_VOL;
1571 		dip->next = AUDIO_MIXER_LAST;
1572 		strcpy(dip->label.name, AudioNpreamp);
1573 		dip->un.e.num_mem = 2;
1574 		strcpy(dip->un.e.member[0].label.name, AudioNoff);
1575 		dip->un.e.member[0].ord = 0;
1576 		strcpy(dip->un.e.member[1].label.name, AudioNon);
1577 		dip->un.e.member[1].ord = 1;
1578 		return (0);
1579 	case EAP_OUTPUT_CLASS:
1580 		dip->type = AUDIO_MIXER_CLASS;
1581 		dip->mixer_class = EAP_OUTPUT_CLASS;
1582 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1583 		strcpy(dip->label.name, AudioCoutputs);
1584 		return (0);
1585 	case EAP_RECORD_CLASS:
1586 		dip->type = AUDIO_MIXER_CLASS;
1587 		dip->mixer_class = EAP_RECORD_CLASS;
1588 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1589 		strcpy(dip->label.name, AudioCrecord);
1590 		return (0);
1591 	case EAP_INPUT_CLASS:
1592 		dip->type = AUDIO_MIXER_CLASS;
1593 		dip->mixer_class = EAP_INPUT_CLASS;
1594 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1595 		strcpy(dip->label.name, AudioCinputs);
1596 		return (0);
1597 	}
1598 	return (ENXIO);
1599 }
1600 
1601 void *
1602 eap_malloc(void *addr, int direction, size_t size, int pool, int flags)
1603 {
1604 	struct eap_softc *sc = addr;
1605 	struct eap_dma *p;
1606 	int error;
1607 
1608 	p = malloc(sizeof(*p), pool, flags);
1609 	if (!p)
1610 		return (0);
1611 	error = eap_allocmem(sc, size, 16, p);
1612 	if (error) {
1613 		free(p, pool);
1614 		return (0);
1615 	}
1616 	p->next = sc->sc_dmas;
1617 	sc->sc_dmas = p;
1618 	return (KERNADDR(p));
1619 }
1620 
1621 void
1622 eap_free(void *addr, void *ptr, int pool)
1623 {
1624 	struct eap_softc *sc = addr;
1625 	struct eap_dma **pp, *p;
1626 
1627 	for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1628 		if (KERNADDR(p) == ptr) {
1629 			eap_freemem(sc, p);
1630 			*pp = p->next;
1631 			free(p, pool);
1632 			return;
1633 		}
1634 	}
1635 }
1636 
1637 size_t
1638 eap_round_buffersize(void *addr, int direction, size_t size)
1639 {
1640 	return (size);
1641 }
1642 
1643 paddr_t
1644 eap_mappage(void *addr, void *mem, off_t off, int prot)
1645 {
1646 	struct eap_softc *sc = addr;
1647 	struct eap_dma *p;
1648 
1649 	if (off < 0)
1650 		return (-1);
1651 	for (p = sc->sc_dmas; p && KERNADDR(p) != mem; p = p->next)
1652 		;
1653 	if (!p)
1654 		return (-1);
1655 	return (bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
1656 				off, prot, BUS_DMA_WAITOK));
1657 }
1658 
1659 int
1660 eap_get_props(void *addr)
1661 {
1662 	return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
1663 		AUDIO_PROP_FULLDUPLEX);
1664 }
1665 
1666 #if NMIDI > 0
1667 int
1668 eap_midi_open(void *addr, int flags,
1669 	      void (*iintr)(void *, int),
1670 	      void (*ointr)(void *),
1671 	      void *arg)
1672 {
1673 	struct eap_softc *sc = addr;
1674 	u_int32_t uctrl;
1675 
1676 	sc->sc_iintr = iintr;
1677 	sc->sc_ointr = ointr;
1678 	sc->sc_arg = arg;
1679 
1680 	EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) | EAP_UART_EN);
1681 	uctrl = 0;
1682 	if (flags & FREAD)
1683 		uctrl |= EAP_UC_RXINTEN;
1684 #if 0
1685 	/* I don't understand ../midi.c well enough to use output interrupts */
1686 	if (flags & FWRITE)
1687 		uctrl |= EAP_UC_TXINTEN; */
1688 #endif
1689 	EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1690 
1691 	return (0);
1692 }
1693 
1694 void
1695 eap_midi_close(void *addr)
1696 {
1697 	struct eap_softc *sc = addr;
1698 
1699 	tsleep(sc, PWAIT, "eapclm", hz/10); /* give uart a chance to drain */
1700 	EWRITE1(sc, EAP_UART_CONTROL, 0);
1701 	EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) & ~EAP_UART_EN);
1702 
1703 	sc->sc_iintr = 0;
1704 	sc->sc_ointr = 0;
1705 }
1706 
1707 int
1708 eap_midi_output(void *addr, int d)
1709 {
1710 	struct eap_softc *sc = addr;
1711 	int x;
1712 
1713 	for (x = 0; x != MIDI_BUSY_WAIT; x++) {
1714 		if (EREAD1(sc, EAP_UART_STATUS) & EAP_US_TXRDY) {
1715 			EWRITE1(sc, EAP_UART_DATA, d);
1716 			return (0);
1717 		}
1718 		delay(MIDI_BUSY_DELAY);
1719 	}
1720 	return (EIO);
1721 }
1722 
1723 void
1724 eap_midi_getinfo(void *addr, struct midi_info *mi)
1725 {
1726 	mi->name = "AudioPCI MIDI UART";
1727 	mi->props = MIDI_PROP_CAN_INPUT;
1728 }
1729 
1730 #endif
1731