1/*	$NetBSD: eap.c,v 1.103 2024/05/17 12:20:02 nia Exp $	*/
2/*      $OpenBSD: eap.c,v 1.6 1999/10/05 19:24:42 csapuntz Exp $ */
3
4/*
5 * Copyright (c) 1998, 1999, 2002, 2008 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Lennart Augustsson <augustss@NetBSD.org>, Charles M. Hannum,
10 * Antti Kantee <pooka@NetBSD.org>, and Andrew Doran.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 *    notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 *    notice, this list of conditions and the following disclaimer in the
19 *    documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34/*
35 * Debugging:   Andreas Gustafsson <gson@araneus.fi>
36 * Testing:     Chuck Cranor       <chuck@maria.wustl.edu>
37 *              Phil Nelson        <phil@cs.wwu.edu>
38 *
39 * ES1371/AC97:	Ezra Story         <ezy@panix.com>
40 */
41
42/*
43 * Ensoniq ES1370 + AK4531 and ES1371/ES1373 + AC97
44 *
45 * Documentation links:
46 *
47 * ftp://ftp.alsa-project.org/pub/manuals/ensoniq/ (ES1370 and 1371 datasheets)
48 * http://web.archive.org/web/20040622012936/http://www.corbac.com/Data/Misc/es1373.ps.gz
49 * ftp://ftp.alsa-project.org/pub/manuals/asahi_kasei/4531.pdf
50 * ftp://download.intel.com/ial/scalableplatforms/audio/ac97r21.pdf
51 */
52
53/*
54 * TODO:
55 * - Remove DAC1 and secondary audio device support.
56 */
57
58#include <sys/cdefs.h>
59__KERNEL_RCSID(0, "$NetBSD: eap.c,v 1.103 2024/05/17 12:20:02 nia Exp $");
60
61#include "midi.h"
62#include "joy_eap.h"
63
64#include <sys/param.h>
65#include <sys/systm.h>
66#include <sys/kernel.h>
67#include <sys/fcntl.h>
68#include <sys/kmem.h>
69#include <sys/device.h>
70#include <sys/proc.h>
71#include <sys/select.h>
72#include <sys/mutex.h>
73#include <sys/bus.h>
74#include <sys/audioio.h>
75
76#include <dev/audio/audio_if.h>
77#include <dev/midi_if.h>
78
79#include <dev/pci/pcidevs.h>
80#include <dev/pci/eapreg.h>
81#include <dev/pci/eapvar.h>
82
83#define	PCI_CBIO		0x10
84
85/* Debug */
86#ifdef AUDIO_DEBUG
87#define DPRINTF(x)	if (eapdebug) printf x
88#define DPRINTFN(n,x)	if (eapdebug>(n)) printf x
89int	eapdebug = 0;
90#else
91#define DPRINTF(x)
92#define DPRINTFN(n,x)
93#endif
94
95static int	eap_match(device_t, cfdata_t, void *);
96static void	eap_attach(device_t, device_t, void *);
97static int	eap_detach(device_t, int);
98static int	eap_intr(void *);
99
100static int	eap_allocmem(struct eap_softc *, size_t, size_t,
101			     struct eap_dma *);
102static int	eap_freemem(struct eap_softc *, struct eap_dma *);
103
104#define EWRITE1(sc, r, x) bus_space_write_1((sc)->iot, (sc)->ioh, (r), (x))
105#define EWRITE2(sc, r, x) bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x))
106#define EWRITE4(sc, r, x) bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x))
107#define EREAD1(sc, r) bus_space_read_1((sc)->iot, (sc)->ioh, (r))
108#define EREAD2(sc, r) bus_space_read_2((sc)->iot, (sc)->ioh, (r))
109#define EREAD4(sc, r) bus_space_read_4((sc)->iot, (sc)->ioh, (r))
110
111CFATTACH_DECL_NEW(eap, sizeof(struct eap_softc),
112    eap_match, eap_attach, eap_detach, NULL);
113
114static int	eap_open(void *, int);
115static int	eap_query_format(void *, struct audio_format_query *);
116static int	eap_set_format(void *, int,
117			       const audio_params_t *, const audio_params_t *,
118			       audio_filter_reg_t *, audio_filter_reg_t *);
119static int	eap_trigger_output(void *, void *, void *, int,
120				   void (*)(void *), void *,
121				   const audio_params_t *);
122static int	eap_trigger_input(void *, void *, void *, int,
123				  void (*)(void *), void *,
124				  const audio_params_t *);
125static int	eap_halt_output(void *);
126static int	eap_halt_input(void *);
127static void	eap1370_write_codec(struct eap_softc *, int, int);
128static int	eap_getdev(void *, struct audio_device *);
129static int	eap1370_mixer_set_port(void *, mixer_ctrl_t *);
130static int	eap1370_mixer_get_port(void *, mixer_ctrl_t *);
131static int	eap1371_mixer_set_port(void *, mixer_ctrl_t *);
132static int	eap1371_mixer_get_port(void *, mixer_ctrl_t *);
133static int	eap1370_query_devinfo(void *, mixer_devinfo_t *);
134static void	*eap_malloc(void *, int, size_t);
135static void	eap_free(void *, void *, size_t);
136static int	eap_get_props(void *);
137static void	eap1370_set_mixer(struct eap_softc *, int, int);
138static uint32_t eap1371_src_wait(struct eap_softc *);
139static void	eap1371_set_adc_rate(struct eap_softc *, int);
140static void	eap1371_set_dac_rate(struct eap_instance *, int);
141static int	eap1371_src_read(struct eap_softc *, u_int);
142static void	eap1371_src_write(struct eap_softc *, u_int, int);
143static int	eap1371_query_devinfo(void *, mixer_devinfo_t *);
144
145static int	eap1371_attach_codec(void *, struct ac97_codec_if *);
146static int	eap1371_read_codec(void *, uint8_t, uint16_t *);
147static int	eap1371_write_codec(void *, uint8_t, uint16_t );
148static int	eap1371_reset_codec(void *);
149static void	eap_get_locks(void *, kmutex_t **, kmutex_t **);
150
151#if NMIDI > 0
152static void	eap_midi_close(void *);
153static void	eap_midi_getinfo(void *, struct midi_info *);
154static int	eap_midi_open(void *, int, void (*)(void *, int),
155			      void (*)(void *), void *);
156static int	eap_midi_output(void *, int);
157static void	eap_uart_txrdy(struct eap_softc *);
158#endif
159
160static const struct audio_hw_if eap1370_hw_if = {
161	.open			= eap_open,
162	.query_format		= eap_query_format,
163	.set_format		= eap_set_format,
164	.halt_output		= eap_halt_output,
165	.halt_input		= eap_halt_input,
166	.getdev			= eap_getdev,
167	.set_port		= eap1370_mixer_set_port,
168	.get_port		= eap1370_mixer_get_port,
169	.query_devinfo		= eap1370_query_devinfo,
170	.allocm			= eap_malloc,
171	.freem			= eap_free,
172	.get_props		= eap_get_props,
173	.trigger_output		= eap_trigger_output,
174	.trigger_input		= eap_trigger_input,
175	.get_locks		= eap_get_locks,
176};
177
178static const struct audio_hw_if eap1371_hw_if = {
179	.open			= eap_open,
180	.query_format		= eap_query_format,
181	.set_format		= eap_set_format,
182	.halt_output		= eap_halt_output,
183	.halt_input		= eap_halt_input,
184	.getdev			= eap_getdev,
185	.set_port		= eap1371_mixer_set_port,
186	.get_port		= eap1371_mixer_get_port,
187	.query_devinfo		= eap1371_query_devinfo,
188	.allocm			= eap_malloc,
189	.freem			= eap_free,
190	.get_props		= eap_get_props,
191	.trigger_output		= eap_trigger_output,
192	.trigger_input		= eap_trigger_input,
193	.get_locks		= eap_get_locks,
194};
195
196#if NMIDI > 0
197static const struct midi_hw_if eap_midi_hw_if = {
198	eap_midi_open,
199	eap_midi_close,
200	eap_midi_output,
201	eap_midi_getinfo,
202	0,				/* ioctl */
203	eap_get_locks,
204};
205#endif
206
207static struct audio_device eap_device = {
208	"Ensoniq AudioPCI",
209	"",
210	"eap"
211};
212
213static const struct audio_format eap_formats[] = {
214	{
215		.mode		= AUMODE_PLAY | AUMODE_RECORD,
216		.encoding	= AUDIO_ENCODING_SLINEAR_LE,
217		.validbits	= 16,
218		.precision	= 16,
219		.channels	= 2,
220		.channel_mask	= AUFMT_STEREO,
221		.frequency_type	= 0,
222		.frequency	= { 4000, 48000 },
223	},
224	{
225		.mode		= AUMODE_PLAY | AUMODE_RECORD,
226		.encoding	= AUDIO_ENCODING_SLINEAR_LE,
227		.validbits	= 16,
228		.precision	= 16,
229		.channels	= 1,
230		.channel_mask	= AUFMT_MONAURAL,
231		.frequency_type	= 0,
232		.frequency	= { 4000, 48000 },
233	},
234	{
235		.mode		= AUMODE_PLAY | AUMODE_RECORD,
236		.encoding	= AUDIO_ENCODING_ULINEAR_LE,
237		.validbits	= 8,
238		.precision	= 8,
239		.channels	= 2,
240		.channel_mask	= AUFMT_STEREO,
241		.frequency_type	= 0,
242		.frequency	= { 4000, 48000 },
243	},
244	{
245		.mode		= AUMODE_PLAY | AUMODE_RECORD,
246		.encoding	= AUDIO_ENCODING_ULINEAR_LE,
247		.validbits	= 8,
248		.precision	= 8,
249		.channels	= 1,
250		.channel_mask	= AUFMT_MONAURAL,
251		.frequency_type	= 0,
252		.frequency	= { 4000, 48000 },
253	}
254};
255#define EAP_NFORMATS	__arraycount(eap_formats)
256
257static int
258eap_match(device_t parent, cfdata_t match, void *aux)
259{
260	struct pci_attach_args *pa;
261
262	pa = (struct pci_attach_args *)aux;
263	switch (PCI_VENDOR(pa->pa_id)) {
264	case PCI_VENDOR_CREATIVELABS:
265		switch (PCI_PRODUCT(pa->pa_id)) {
266		case PCI_PRODUCT_CREATIVELABS_EV1938:
267			return 1;
268		}
269		break;
270	case PCI_VENDOR_ENSONIQ:
271		switch (PCI_PRODUCT(pa->pa_id)) {
272		case PCI_PRODUCT_ENSONIQ_AUDIOPCI:
273		case PCI_PRODUCT_ENSONIQ_AUDIOPCI97:
274		case PCI_PRODUCT_ENSONIQ_CT5880:
275			return 1;
276		}
277		break;
278	}
279
280	return 0;
281}
282
283static void
284eap1370_write_codec(struct eap_softc *sc, int a, int d)
285{
286	int icss, to;
287
288	to = EAP_WRITE_TIMEOUT;
289	do {
290		icss = EREAD4(sc, EAP_ICSS);
291		DPRINTFN(5,("eap: codec %d prog: icss=0x%08x\n", a, icss));
292		if (!to--) {
293			printf("eap: timeout writing to codec\n");
294			return;
295		}
296	} while(icss & EAP_CWRIP);  /* XXX could use CSTAT here */
297	EWRITE4(sc, EAP_CODEC, EAP_SET_CODEC(a, d));
298}
299
300/*
301 * Reading and writing the CODEC is very convoluted.  This mimics the
302 * FreeBSD and Linux drivers.
303 */
304
305static inline void
306eap1371_ready_codec(struct eap_softc *sc, uint8_t a, uint32_t wd)
307{
308	int to;
309	uint32_t src, t;
310
311	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
312		if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
313			break;
314		delay(1);
315	}
316	if (to >= EAP_WRITE_TIMEOUT)
317		aprint_error_dev(sc->sc_dev,
318		    "eap1371_ready_codec timeout 1\n");
319
320	mutex_spin_enter(&sc->sc_intr_lock);
321	src = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
322	EWRITE4(sc, E1371_SRC, src | E1371_SRC_STATE_OK);
323
324	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
325		t = EREAD4(sc, E1371_SRC);
326		if ((t & E1371_SRC_STATE_MASK) == 0)
327			break;
328		delay(1);
329	}
330	if (to >= EAP_READ_TIMEOUT)
331		aprint_error_dev(sc->sc_dev,
332		    "eap1371_ready_codec timeout 2\n");
333
334	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
335		t = EREAD4(sc, E1371_SRC);
336		if ((t & E1371_SRC_STATE_MASK) == E1371_SRC_STATE_OK)
337			break;
338		delay(1);
339	}
340	if (to >= EAP_READ_TIMEOUT)
341		aprint_error_dev(sc->sc_dev,
342		    "eap1371_ready_codec timeout 3\n");
343
344	EWRITE4(sc, E1371_CODEC, wd);
345
346	eap1371_src_wait(sc);
347	EWRITE4(sc, E1371_SRC, src);
348
349	mutex_spin_exit(&sc->sc_intr_lock);
350}
351
352static int
353eap1371_read_codec(void *sc_, uint8_t a, uint16_t *d)
354{
355	struct eap_softc *sc;
356	int to;
357	uint32_t t;
358
359	sc = sc_;
360	eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, 0) | E1371_CODEC_READ);
361
362	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
363		if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
364			break;
365	}
366	if (to > EAP_WRITE_TIMEOUT)
367		aprint_error_dev(sc->sc_dev,
368		    "eap1371_read_codec timeout 1\n");
369
370	for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
371		t = EREAD4(sc, E1371_CODEC);
372		if (t & E1371_CODEC_VALID)
373			break;
374	}
375	if (to > EAP_WRITE_TIMEOUT)
376		aprint_error_dev(sc->sc_dev, "eap1371_read_codec timeout 2\n");
377
378	*d = (uint16_t)t;
379
380	DPRINTFN(10, ("eap1371: reading codec (%x) = %x\n", a, *d));
381
382	return 0;
383}
384
385static int
386eap1371_write_codec(void *sc_, uint8_t a, uint16_t d)
387{
388	struct eap_softc *sc;
389
390	sc = sc_;
391	eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, d));
392
393	DPRINTFN(10, ("eap1371: writing codec %x --> %x\n", d, a));
394
395	return 0;
396}
397
398static uint32_t
399eap1371_src_wait(struct eap_softc *sc)
400{
401	int to;
402	u_int32_t src;
403
404	for (to = 0; to < EAP_READ_TIMEOUT; to++) {
405		src = EREAD4(sc, E1371_SRC);
406		if (!(src & E1371_SRC_RBUSY))
407			return src;
408		delay(1);
409	}
410	aprint_error_dev(sc->sc_dev, "eap1371_src_wait timeout\n");
411	return src;
412}
413
414static int
415eap1371_src_read(struct eap_softc *sc, u_int a)
416{
417	int to;
418	uint32_t src, t;
419
420	src = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
421	src |= E1371_SRC_ADDR(a);
422	EWRITE4(sc, E1371_SRC, src | E1371_SRC_STATE_OK);
423
424	t = eap1371_src_wait(sc);
425	if ((t & E1371_SRC_STATE_MASK) != E1371_SRC_STATE_OK) {
426		for (to = 0; to < EAP_READ_TIMEOUT; to++) {
427			t = EREAD4(sc, E1371_SRC);
428			if ((t & E1371_SRC_STATE_MASK) == E1371_SRC_STATE_OK)
429				break;
430			delay(1);
431		}
432	}
433
434	EWRITE4(sc, E1371_SRC, src);
435
436	return t & E1371_SRC_DATAMASK;
437}
438
439static void
440eap1371_src_write(struct eap_softc *sc, u_int a, int d)
441{
442	uint32_t r;
443
444	r = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
445	r |= E1371_SRC_RAMWE | E1371_SRC_ADDR(a) | E1371_SRC_DATA(d);
446	EWRITE4(sc, E1371_SRC, r);
447}
448
449static void
450eap1371_set_adc_rate(struct eap_softc *sc, int rate)
451{
452	int freq, n, truncm;
453	int out;
454
455	/* Whatever, it works, so I'll leave it :) */
456
457	if (rate > 48000)
458		rate = 48000;
459	if (rate < 4000)
460		rate = 4000;
461	n = rate / 3000;
462	if ((1 << n) & SRC_MAGIC)
463		n--;
464	truncm = ((21 * n) - 1) | 1;
465	freq = ((48000 << 15) / rate) * n;
466	if (rate >= 24000) {
467		if (truncm > 239)
468			truncm = 239;
469		out = ESRC_SET_TRUNC((239 - truncm) / 2);
470	} else {
471		if (truncm > 119)
472			truncm = 119;
473		out = ESRC_SMF | ESRC_SET_TRUNC((119 - truncm) / 2);
474	}
475	out |= ESRC_SET_N(n);
476	mutex_spin_enter(&sc->sc_intr_lock);
477	eap1371_src_write(sc, ESRC_ADC+ESRC_TRUNC_N, out);
478
479	out = eap1371_src_read(sc, ESRC_ADC+ESRC_IREGS) & 0xff;
480	eap1371_src_write(sc, ESRC_ADC+ESRC_IREGS, out |
481			  ESRC_SET_VFI(freq >> 15));
482	eap1371_src_write(sc, ESRC_ADC+ESRC_VFF, freq & 0x7fff);
483	eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(n));
484	eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(n));
485	mutex_spin_exit(&sc->sc_intr_lock);
486}
487
488static void
489eap1371_set_dac_rate(struct eap_instance *ei, int rate)
490{
491	struct eap_softc *sc;
492	int dac;
493	int freq, r;
494
495	DPRINTFN(2, ("eap1371_set_dac_date: set rate for %d\n", ei->index));
496	sc = device_private(ei->parent);
497	dac = ei->index == EAP_DAC1 ? ESRC_DAC1 : ESRC_DAC2;
498
499	/* Whatever, it works, so I'll leave it :) */
500
501	if (rate > 48000)
502	    rate = 48000;
503	if (rate < 4000)
504	    rate = 4000;
505	freq = ((rate << 15) + 1500) / 3000;
506
507	mutex_spin_enter(&sc->sc_intr_lock);
508	eap1371_src_wait(sc);
509	r = EREAD4(sc, E1371_SRC) & (E1371_SRC_DISABLE |
510	    E1371_SRC_DISP2 | E1371_SRC_DISP1 | E1371_SRC_DISREC);
511	r |= ei->index == EAP_DAC1 ? E1371_SRC_DISP1 : E1371_SRC_DISP2;
512	EWRITE4(sc, E1371_SRC, r);
513	r = eap1371_src_read(sc, dac + ESRC_IREGS) & 0x00ff;
514	eap1371_src_write(sc, dac + ESRC_IREGS, r | ((freq >> 5) & 0xfc00));
515	eap1371_src_write(sc, dac + ESRC_VFF, freq & 0x7fff);
516	r = EREAD4(sc, E1371_SRC) & (E1371_SRC_DISABLE |
517	    E1371_SRC_DISP2 | E1371_SRC_DISP1 | E1371_SRC_DISREC);
518	r &= ~(ei->index == EAP_DAC1 ? E1371_SRC_DISP1 : E1371_SRC_DISP2);
519	EWRITE4(sc, E1371_SRC, r);
520	mutex_spin_exit(&sc->sc_intr_lock);
521}
522
523static void
524eap_attach(device_t parent, device_t self, void *aux)
525{
526	struct eap_softc *sc;
527	struct pci_attach_args *pa;
528	pci_chipset_tag_t pc;
529	const struct audio_hw_if *eap_hw_if;
530	char const *intrstr;
531	pci_intr_handle_t ih;
532	pcireg_t csr;
533	char devinfo[256];
534	mixer_ctrl_t ctl;
535	int i;
536	int revision, ct5880;
537	const char *revstr;
538#if NJOY_EAP > 0
539	struct eap_gameport_args gpargs;
540#endif
541	char intrbuf[PCI_INTRSTR_LEN];
542
543	sc = device_private(self);
544	sc->sc_dev = self;
545	pa = (struct pci_attach_args *)aux;
546	pc = pa->pa_pc;
547	revstr = "";
548	aprint_naive(": Audio controller\n");
549
550	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
551	mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
552
553	/* Stash this away for detach */
554	sc->sc_pc = pc;
555
556	/* Flag if we're "creative" */
557	sc->sc_1371 = !(PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
558			PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_AUDIOPCI);
559
560	/*
561	 * The vendor and product ID's are quite "interesting". Just
562	 * trust the following and be happy.
563	 */
564	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
565	revision = PCI_REVISION(pa->pa_class);
566	ct5880 = 0;
567	if (sc->sc_1371) {
568		if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
569		    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_CT5880) {
570			ct5880 = 1;
571			switch (revision) {
572			case EAP_CT5880_C: revstr = "CT5880-C "; break;
573			case EAP_CT5880_D: revstr = "CT5880-D "; break;
574			case EAP_CT5880_E: revstr = "CT5880-E "; break;
575			}
576		} else {
577			switch (revision) {
578			case EAP_EV1938_A: revstr = "EV1938-A "; break;
579			case EAP_ES1373_A: revstr = "ES1373-A "; break;
580			case EAP_ES1373_B: revstr = "ES1373-B "; break;
581			case EAP_CT5880_A: revstr = "CT5880-A "; ct5880=1;break;
582			case EAP_ES1373_8: revstr = "ES1373-8" ; ct5880=1;break;
583			case EAP_ES1371_B: revstr = "ES1371-B "; break;
584			}
585		}
586	}
587	aprint_normal(": %s %s(rev. 0x%02x)\n", devinfo, revstr, revision);
588
589	/* Map I/O register */
590	if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
591	      &sc->iot, &sc->ioh, NULL, &sc->iosz)) {
592		aprint_error_dev(sc->sc_dev, "can't map i/o space\n");
593		return;
594	}
595
596	sc->sc_dmatag = pa->pa_dmat;
597
598	/* Enable the device. */
599	csr = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
600	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
601		       csr | PCI_COMMAND_MASTER_ENABLE);
602
603	/* Map and establish the interrupt. */
604	if (pci_intr_map(pa, &ih)) {
605		aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n");
606		return;
607	}
608	intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf));
609	sc->sc_ih = pci_intr_establish_xname(pc, ih, IPL_AUDIO, eap_intr, sc,
610	    device_xname(self));
611	if (sc->sc_ih == NULL) {
612		aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
613		if (intrstr != NULL)
614			aprint_error(" at %s", intrstr);
615		aprint_error("\n");
616		return;
617	}
618	aprint_normal_dev(self, "interrupting at %s\n", intrstr);
619
620	sc->sc_ei[EAP_I1].parent = self;
621	sc->sc_ei[EAP_I1].index = EAP_DAC2;
622	sc->sc_ei[EAP_I2].parent = self;
623	sc->sc_ei[EAP_I2].index = EAP_DAC1;
624
625	if (!sc->sc_1371) {
626		/* Enable interrupts and looping mode. */
627		/* enable the parts we need */
628		EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
629		EWRITE4(sc, EAP_ICSC, EAP_CDC_EN);
630
631		/* reset codec */
632		/* normal operation */
633		/* select codec clocks */
634		eap1370_write_codec(sc, AK_RESET, AK_PD);
635		eap1370_write_codec(sc, AK_RESET, AK_PD | AK_NRST);
636		eap1370_write_codec(sc, AK_CS, 0x0);
637
638		eap_hw_if = &eap1370_hw_if;
639
640		/* Enable all relevant mixer switches. */
641		ctl.dev = EAP_INPUT_SOURCE;
642		ctl.type = AUDIO_MIXER_SET;
643		ctl.un.mask = 1 << EAP_VOICE_VOL | 1 << EAP_FM_VOL |
644			1 << EAP_CD_VOL | 1 << EAP_LINE_VOL |
645			1 << EAP_AUX_VOL | 1 << EAP_MIC_VOL;
646		eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
647
648		ctl.type = AUDIO_MIXER_VALUE;
649		ctl.un.value.num_channels = 1;
650		for (ctl.dev = EAP_MASTER_VOL; ctl.dev < EAP_MIC_VOL;
651		     ctl.dev++) {
652			ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = VOL_0DB;
653			eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
654		}
655		ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = 0;
656		eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
657		ctl.dev = EAP_MIC_PREAMP;
658		ctl.type = AUDIO_MIXER_ENUM;
659		ctl.un.ord = 0;
660		eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
661		ctl.dev = EAP_RECORD_SOURCE;
662		ctl.type = AUDIO_MIXER_SET;
663		ctl.un.mask = 1 << EAP_MIC_VOL;
664		eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
665	} else {
666		/* clean slate */
667
668		EWRITE4(sc, EAP_SIC, 0);
669		EWRITE4(sc, EAP_ICSC, 0);
670		EWRITE4(sc, E1371_LEGACY, 0);
671
672		if (ct5880) {
673			EWRITE4(sc, EAP_ICSS, EAP_CT5880_AC97_RESET);
674			/* Let codec wake up */
675			delay(20000);
676		}
677
678		/* Reset from es1371's perspective */
679		EWRITE4(sc, EAP_ICSC, E1371_SYNC_RES);
680		delay(20);
681		EWRITE4(sc, EAP_ICSC, 0);
682
683		/*
684		 * Must properly reprogram sample rate converter,
685		 * or it locks up.  Set some defaults for the life of the
686		 * machine, and set up a sb default sample rate.
687		 */
688		EWRITE4(sc, E1371_SRC, E1371_SRC_DISABLE);
689		for (i = 0; i < 0x80; i++)
690			eap1371_src_write(sc, i, 0);
691		eap1371_src_write(sc, ESRC_DAC1+ESRC_TRUNC_N, ESRC_SET_N(16));
692		eap1371_src_write(sc, ESRC_DAC2+ESRC_TRUNC_N, ESRC_SET_N(16));
693		eap1371_src_write(sc, ESRC_DAC1+ESRC_IREGS, ESRC_SET_VFI(16));
694		eap1371_src_write(sc, ESRC_DAC2+ESRC_IREGS, ESRC_SET_VFI(16));
695		eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(16));
696		eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(16));
697		eap1371_src_write(sc, ESRC_DAC1_VOLL, ESRC_SET_DAC_VOLI(1));
698		eap1371_src_write(sc, ESRC_DAC1_VOLR, ESRC_SET_DAC_VOLI(1));
699		eap1371_src_write(sc, ESRC_DAC2_VOLL, ESRC_SET_DAC_VOLI(1));
700		eap1371_src_write(sc, ESRC_DAC2_VOLR, ESRC_SET_DAC_VOLI(1));
701		eap1371_set_adc_rate(sc, 22050);
702		eap1371_set_dac_rate(&sc->sc_ei[0], 22050);
703		eap1371_set_dac_rate(&sc->sc_ei[1], 22050);
704
705		EWRITE4(sc, E1371_SRC, 0);
706
707		/* Reset codec */
708
709		/* Interrupt enable */
710		sc->host_if.arg = sc;
711		sc->host_if.attach = eap1371_attach_codec;
712		sc->host_if.read = eap1371_read_codec;
713		sc->host_if.write = eap1371_write_codec;
714		sc->host_if.reset = eap1371_reset_codec;
715
716		if (ac97_attach(&sc->host_if, self, &sc->sc_lock) == 0) {
717			/* Interrupt enable */
718			EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
719		} else
720			return;
721
722		eap_hw_if = &eap1371_hw_if;
723	}
724
725	sc->sc_ei[EAP_I1].ei_audiodev =
726	    audio_attach_mi(eap_hw_if, &sc->sc_ei[EAP_I1], sc->sc_dev);
727
728#ifdef EAP_USE_BOTH_DACS
729	aprint_normal_dev(self, "attaching secondary DAC\n");
730	sc->sc_ei[EAP_I2].ei_audiodev =
731	    audio_attach_mi(eap_hw_if, &sc->sc_ei[EAP_I2], sc->sc_dev);
732#endif
733
734#if NMIDI > 0
735	sc->sc_mididev = midi_attach_mi(&eap_midi_hw_if, sc, sc->sc_dev);
736#endif
737
738#if NJOY_EAP > 0
739	if (sc->sc_1371) {
740		gpargs.gpa_iot = sc->iot;
741		gpargs.gpa_ioh = sc->ioh;
742		sc->sc_gameport = eap_joy_attach(sc->sc_dev, &gpargs);
743	}
744#endif
745}
746
747static int
748eap_detach(device_t self, int flags)
749{
750	struct eap_softc *sc;
751	int res;
752#if NJOY_EAP > 0
753	struct eap_gameport_args gpargs;
754
755	sc = device_private(self);
756	if (sc->sc_gameport) {
757		gpargs.gpa_iot = sc->iot;
758		gpargs.gpa_ioh = sc->ioh;
759		res = eap_joy_detach(sc->sc_gameport, &gpargs);
760		if (res)
761			return res;
762	}
763#else
764	sc = device_private(self);
765#endif
766#if NMIDI > 0
767	if (sc->sc_mididev != NULL) {
768		res = config_detach(sc->sc_mididev, 0);
769		if (res)
770			return res;
771	}
772#endif
773#ifdef EAP_USE_BOTH_DACS
774	if (sc->sc_ei[EAP_I2].ei_audiodev != NULL) {
775		res = config_detach(sc->sc_ei[EAP_I2].ei_audiodev, 0);
776		if (res)
777			return res;
778	}
779#endif
780	if (sc->sc_ei[EAP_I1].ei_audiodev != NULL) {
781		res = config_detach(sc->sc_ei[EAP_I1].ei_audiodev, 0);
782		if (res)
783			return res;
784	}
785
786	bus_space_unmap(sc->iot, sc->ioh, sc->iosz);
787	pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
788	mutex_destroy(&sc->sc_lock);
789	mutex_destroy(&sc->sc_intr_lock);
790
791	return 0;
792}
793
794static int
795eap1371_attach_codec(void *sc_, struct ac97_codec_if *codec_if)
796{
797	struct eap_softc *sc;
798
799	sc = sc_;
800	sc->codec_if = codec_if;
801	return 0;
802}
803
804static int
805eap1371_reset_codec(void *sc_)
806{
807	struct eap_softc *sc;
808	uint32_t icsc;
809
810	sc = sc_;
811	mutex_spin_enter(&sc->sc_intr_lock);
812	icsc = EREAD4(sc, EAP_ICSC);
813	EWRITE4(sc, EAP_ICSC, icsc | E1371_SYNC_RES);
814	delay(20);
815	EWRITE4(sc, EAP_ICSC, icsc & ~E1371_SYNC_RES);
816	delay(1);
817	mutex_spin_exit(&sc->sc_intr_lock);
818
819	return 0;
820}
821
822static int
823eap_intr(void *p)
824{
825	struct eap_softc *sc;
826	uint32_t intr, sic;
827
828	sc = p;
829	mutex_spin_enter(&sc->sc_intr_lock);
830	intr = EREAD4(sc, EAP_ICSS);
831	if (!(intr & EAP_INTR)) {
832		mutex_spin_exit(&sc->sc_intr_lock);
833		return 0;
834	}
835	sic = EREAD4(sc, EAP_SIC);
836	DPRINTFN(5, ("eap_intr: ICSS=0x%08x, SIC=0x%08x\n", intr, sic));
837	if (intr & EAP_I_ADC) {
838#if 0
839		/*
840		 * XXX This is a hack!
841		 * The EAP chip sometimes generates the recording interrupt
842		 * while it is still transferring the data.  To make sure
843		 * it has all arrived we busy wait until the count is right.
844		 * The transfer we are waiting for is 8 longwords.
845		 */
846		int s, nw, n;
847		EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
848		s = EREAD4(sc, EAP_ADC_CSR);
849		nw = ((s & 0xffff) + 1) >> 2; /* # of words in DMA */
850		n = 0;
851		while (((EREAD4(sc, EAP_ADC_SIZE) >> 16) + 8) % nw == 0) {
852			delay(10);
853			if (++n > 100) {
854				printf("eapintr: DMA fix timeout");
855				break;
856			}
857		}
858		/* Continue with normal interrupt handling. */
859#endif
860		EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
861		EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
862		if (sc->sc_rintr)
863			sc->sc_rintr(sc->sc_rarg);
864	}
865
866	if (intr & EAP_I_DAC2) {
867		EWRITE4(sc, EAP_SIC, sic & ~EAP_P2_INTR_EN);
868		EWRITE4(sc, EAP_SIC, sic | EAP_P2_INTR_EN);
869		if (sc->sc_ei[EAP_DAC2].ei_pintr)
870			sc->sc_ei[EAP_DAC2].ei_pintr(sc->sc_ei[EAP_DAC2].ei_parg);
871	}
872
873	if (intr & EAP_I_DAC1) {
874		EWRITE4(sc, EAP_SIC, sic & ~EAP_P1_INTR_EN);
875		EWRITE4(sc, EAP_SIC, sic | EAP_P1_INTR_EN);
876		if (sc->sc_ei[EAP_DAC1].ei_pintr)
877			sc->sc_ei[EAP_DAC1].ei_pintr(sc->sc_ei[EAP_DAC1].ei_parg);
878	}
879
880	if (intr & EAP_I_MCCB)
881		panic("eap_intr: unexpected MCCB interrupt");
882#if NMIDI > 0
883	if (intr & EAP_I_UART) {
884		uint8_t ustat;
885		uint32_t data;
886
887		ustat = EREAD1(sc, EAP_UART_STATUS);
888
889		if (ustat & EAP_US_RXINT) {
890			while (EREAD1(sc, EAP_UART_STATUS) & EAP_US_RXRDY) {
891				data = EREAD1(sc, EAP_UART_DATA);
892				sc->sc_iintr(sc->sc_arg, data);
893			}
894		}
895
896		if (ustat & EAP_US_TXINT)
897			eap_uart_txrdy(sc);
898	}
899#endif
900	mutex_spin_exit(&sc->sc_intr_lock);
901	return 1;
902}
903
904static int
905eap_allocmem(struct eap_softc *sc, size_t size, size_t align, struct eap_dma *p)
906{
907	int error;
908
909	p->size = size;
910	error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
911				 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
912				 &p->nsegs, BUS_DMA_WAITOK);
913	if (error)
914		return error;
915
916	error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
917			       &p->addr, BUS_DMA_WAITOK|BUS_DMA_COHERENT);
918	if (error)
919		goto free;
920
921	error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
922				  0, BUS_DMA_WAITOK, &p->map);
923	if (error)
924		goto unmap;
925
926	error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
927				BUS_DMA_WAITOK);
928	if (error)
929		goto destroy;
930	return (0);
931
932destroy:
933	bus_dmamap_destroy(sc->sc_dmatag, p->map);
934unmap:
935	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
936free:
937	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
938	return error;
939}
940
941static int
942eap_freemem(struct eap_softc *sc, struct eap_dma *p)
943{
944
945	bus_dmamap_unload(sc->sc_dmatag, p->map);
946	bus_dmamap_destroy(sc->sc_dmatag, p->map);
947	bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
948	bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
949	return 0;
950}
951
952static int
953eap_open(void *addr, int flags)
954{
955	struct eap_instance *ei;
956
957	ei = addr;
958	/* there is only one ADC */
959	if (ei->index == EAP_I2 && flags & FREAD)
960		return EOPNOTSUPP;
961
962	return 0;
963}
964
965static int
966eap_query_format(void *addr, struct audio_format_query *afp)
967{
968
969	return audio_query_format(eap_formats, EAP_NFORMATS, afp);
970}
971
972static int
973eap_set_format(void *addr, int setmode,
974	       const audio_params_t *play, const audio_params_t *rec,
975	       audio_filter_reg_t *pfil, audio_filter_reg_t *rfil)
976{
977	struct eap_instance *ei;
978	struct eap_softc *sc;
979	uint32_t div;
980
981	ei = addr;
982	sc = device_private(ei->parent);
983
984	if (sc->sc_1371) {
985		eap1371_set_dac_rate(ei, play->sample_rate);
986		eap1371_set_adc_rate(sc, rec->sample_rate);
987	} else if (ei->index == EAP_DAC2) {
988		/* Set the speed */
989		DPRINTFN(2, ("%s: old ICSC = 0x%08x\n", __func__,
990			     EREAD4(sc, EAP_ICSC)));
991		div = EREAD4(sc, EAP_ICSC) & ~EAP_PCLKBITS;
992		/*
993		 * *play and *rec are the identical on es1370 because
994		 * !AUDIO_PROP_INDEPENDENT.
995		 */
996
997		/*
998		 * XXX
999		 * The -2 isn't documented, but seemed to make the wall
1000		 * time match
1001		 * what I expect.  - mycroft
1002		 */
1003		div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ / play->sample_rate - 2);
1004#if 0
1005		div |= EAP_CCB_INTRM;
1006#else
1007		/*
1008		 * It is not obvious how to acknowledge MCCB interrupts, so
1009		 * we had better not enable them.
1010		 */
1011#endif
1012		EWRITE4(sc, EAP_ICSC, div);
1013		DPRINTFN(2, ("%s: set ICSC = 0x%08x\n", __func__, div));
1014	} else {
1015		/*
1016		 * The FM DAC has only a few fixed-frequency choises, so
1017		 * pick out the best candidate.
1018		 */
1019		div = EREAD4(sc, EAP_ICSC);
1020		DPRINTFN(2, ("%s: old ICSC = 0x%08x\n", __func__, div));
1021
1022		div &= ~EAP_WTSRSEL;
1023		if (play->sample_rate == 5512)
1024			div |= EAP_WTSRSEL_5;
1025		else if (play->sample_rate == 11025)
1026			div |= EAP_WTSRSEL_11;
1027		else if (play->sample_rate == 22050)
1028			div |= EAP_WTSRSEL_22;
1029		else
1030			div |= EAP_WTSRSEL_44;
1031
1032		EWRITE4(sc, EAP_ICSC, div);
1033		DPRINTFN(2, ("%s: set ICSC = 0x%08x\n", __func__, div));
1034	}
1035
1036	return 0;
1037}
1038
1039static int
1040eap_trigger_output(
1041	void *addr,
1042	void *start,
1043	void *end,
1044	int blksize,
1045	void (*intr)(void *),
1046	void *arg,
1047	const audio_params_t *param)
1048{
1049	struct eap_instance *ei;
1050	struct eap_softc *sc;
1051	struct eap_dma *p;
1052	uint32_t icsc, sic;
1053	int sampshift;
1054
1055	ei = addr;
1056	sc = device_private(ei->parent);
1057#ifdef DIAGNOSTIC
1058	if (ei->ei_prun)
1059		panic("eap_trigger_output: already running");
1060	ei->ei_prun = 1;
1061#endif
1062
1063	DPRINTFN(1, ("eap_trigger_output: sc=%p start=%p end=%p "
1064	    "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1065	ei->ei_pintr = intr;
1066	ei->ei_parg = arg;
1067
1068	sic = EREAD4(sc, EAP_SIC);
1069	sic &= ~(EAP_S_EB(ei->index) | EAP_S_MB(ei->index) | EAP_INC_BITS);
1070
1071	if (ei->index == EAP_DAC2)
1072		sic |= EAP_SET_P2_ST_INC(0)
1073		    | EAP_SET_P2_END_INC(param->precision / 8);
1074
1075	sampshift = 0;
1076	if (param->precision == 16) {
1077		sic |= EAP_S_EB(ei->index);
1078		sampshift++;
1079	}
1080	if (param->channels == 2) {
1081		sic |= EAP_S_MB(ei->index);
1082		sampshift++;
1083	}
1084	EWRITE4(sc, EAP_SIC, sic & ~EAP_P_INTR_EN(ei->index));
1085	EWRITE4(sc, EAP_SIC, sic | EAP_P_INTR_EN(ei->index));
1086
1087	for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1088		continue;
1089	if (!p) {
1090		printf("eap_trigger_output: bad addr %p\n", start);
1091		return EINVAL;
1092	}
1093
1094	if (ei->index == EAP_DAC2) {
1095		DPRINTF(("eap_trigger_output: DAC2_ADDR=0x%x, DAC2_SIZE=0x%x\n",
1096			 (int)DMAADDR(p),
1097			 (int)EAP_SET_SIZE(0,
1098			 (((char *)end - (char *)start) >> 2) - 1)));
1099		EWRITE4(sc, EAP_MEMPAGE, EAP_DAC_PAGE);
1100		EWRITE4(sc, EAP_DAC2_ADDR, DMAADDR(p));
1101		EWRITE4(sc, EAP_DAC2_SIZE,
1102			EAP_SET_SIZE(0,
1103			((char *)end - (char *)start) >> 2) - 1);
1104		EWRITE4(sc, EAP_DAC2_CSR, (blksize >> sampshift) - 1);
1105	} else if (ei->index == EAP_DAC1) {
1106		DPRINTF(("eap_trigger_output: DAC1_ADDR=0x%x, DAC1_SIZE=0x%x\n",
1107			 (int)DMAADDR(p),
1108			 (int)EAP_SET_SIZE(0,
1109			 (((char *)end - (char *)start) >> 2) - 1)));
1110		EWRITE4(sc, EAP_MEMPAGE, EAP_DAC_PAGE);
1111		EWRITE4(sc, EAP_DAC1_ADDR, DMAADDR(p));
1112		EWRITE4(sc, EAP_DAC1_SIZE,
1113			EAP_SET_SIZE(0,
1114			((char *)end - (char *)start) >> 2) - 1);
1115		EWRITE4(sc, EAP_DAC1_CSR, (blksize >> sampshift) - 1);
1116	}
1117#ifdef DIAGNOSTIC
1118	else
1119		panic("eap_trigger_output: impossible instance %d", ei->index);
1120#endif
1121
1122	if (sc->sc_1371)
1123		EWRITE4(sc, E1371_SRC, 0);
1124
1125	icsc = EREAD4(sc, EAP_ICSC);
1126	icsc |= EAP_DAC_EN(ei->index);
1127	EWRITE4(sc, EAP_ICSC, icsc);
1128
1129	DPRINTFN(1, ("eap_trigger_output: set ICSC = 0x%08x\n", icsc));
1130
1131	return 0;
1132}
1133
1134static int
1135eap_trigger_input(
1136	void *addr,
1137	void *start,
1138	void *end,
1139	int blksize,
1140	void (*intr)(void *),
1141	void *arg,
1142	const audio_params_t *param)
1143{
1144	struct eap_instance *ei;
1145	struct eap_softc *sc;
1146	struct eap_dma *p;
1147	uint32_t icsc, sic;
1148	int sampshift;
1149
1150	ei = addr;
1151	sc = device_private(ei->parent);
1152#ifdef DIAGNOSTIC
1153	if (sc->sc_rrun)
1154		panic("eap_trigger_input: already running");
1155	sc->sc_rrun = 1;
1156#endif
1157
1158	DPRINTFN(1, ("eap_trigger_input: ei=%p start=%p end=%p blksize=%d intr=%p(%p)\n",
1159	    addr, start, end, blksize, intr, arg));
1160	sc->sc_rintr = intr;
1161	sc->sc_rarg = arg;
1162
1163	sic = EREAD4(sc, EAP_SIC);
1164	sic &= ~(EAP_R1_S_EB | EAP_R1_S_MB);
1165	sampshift = 0;
1166	if (param->precision == 16) {
1167		sic |= EAP_R1_S_EB;
1168		sampshift++;
1169	}
1170	if (param->channels == 2) {
1171		sic |= EAP_R1_S_MB;
1172		sampshift++;
1173	}
1174	EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
1175	EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
1176
1177	for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1178		continue;
1179	if (!p) {
1180		printf("eap_trigger_input: bad addr %p\n", start);
1181		return (EINVAL);
1182	}
1183
1184	DPRINTF(("eap_trigger_input: ADC_ADDR=0x%x, ADC_SIZE=0x%x\n",
1185		 (int)DMAADDR(p),
1186		 (int)EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1)));
1187	EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
1188	EWRITE4(sc, EAP_ADC_ADDR, DMAADDR(p));
1189	EWRITE4(sc, EAP_ADC_SIZE,
1190		EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1));
1191
1192	EWRITE4(sc, EAP_ADC_CSR, (blksize >> sampshift) - 1);
1193
1194	if (sc->sc_1371)
1195		EWRITE4(sc, E1371_SRC, 0);
1196
1197	icsc = EREAD4(sc, EAP_ICSC);
1198	icsc |= EAP_ADC_EN;
1199	EWRITE4(sc, EAP_ICSC, icsc);
1200
1201	DPRINTFN(1, ("eap_trigger_input: set ICSC = 0x%08x\n", icsc));
1202
1203	return 0;
1204}
1205
1206static int
1207eap_halt_output(void *addr)
1208{
1209	struct eap_instance *ei;
1210	struct eap_softc *sc;
1211	uint32_t icsc;
1212
1213	DPRINTF(("eap: eap_halt_output\n"));
1214	ei = addr;
1215	sc = device_private(ei->parent);
1216	icsc = EREAD4(sc, EAP_ICSC);
1217	EWRITE4(sc, EAP_ICSC, icsc & ~(EAP_DAC_EN(ei->index)));
1218	ei->ei_pintr = 0;
1219#ifdef DIAGNOSTIC
1220	ei->ei_prun = 0;
1221#endif
1222
1223	return 0;
1224}
1225
1226static int
1227eap_halt_input(void *addr)
1228{
1229	struct eap_instance *ei;
1230	struct eap_softc *sc;
1231	uint32_t icsc;
1232
1233#define EAP_USE_FMDAC_ALSO
1234	DPRINTF(("eap: eap_halt_input\n"));
1235	ei = addr;
1236	sc = device_private(ei->parent);
1237	icsc = EREAD4(sc, EAP_ICSC);
1238	EWRITE4(sc, EAP_ICSC, icsc & ~EAP_ADC_EN);
1239	sc->sc_rintr = 0;
1240#ifdef DIAGNOSTIC
1241	sc->sc_rrun = 0;
1242#endif
1243
1244	return 0;
1245}
1246
1247static int
1248eap_getdev(void *addr, struct audio_device *retp)
1249{
1250
1251	*retp = eap_device;
1252	return 0;
1253}
1254
1255static int
1256eap1371_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1257{
1258	struct eap_instance *ei;
1259	struct eap_softc *sc;
1260
1261	ei = addr;
1262	sc = device_private(ei->parent);
1263	return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
1264}
1265
1266static int
1267eap1371_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1268{
1269	struct eap_instance *ei;
1270	struct eap_softc *sc;
1271
1272	ei = addr;
1273	sc = device_private(ei->parent);
1274	return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
1275}
1276
1277static int
1278eap1371_query_devinfo(void *addr, mixer_devinfo_t *dip)
1279{
1280	struct eap_instance *ei;
1281	struct eap_softc *sc;
1282
1283	ei = addr;
1284	sc = device_private(ei->parent);
1285	return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
1286}
1287
1288static void
1289eap1370_set_mixer(struct eap_softc *sc, int a, int d)
1290{
1291	eap1370_write_codec(sc, a, d);
1292
1293	sc->sc_port[a] = d;
1294	DPRINTFN(1, ("eap1370_mixer_set_port port 0x%02x = 0x%02x\n", a, d));
1295}
1296
1297static int
1298eap1370_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1299{
1300	struct eap_instance *ei;
1301	struct eap_softc *sc;
1302	int lval, rval, l, r, la, ra;
1303	int l1, r1, l2, r2, m, o1, o2;
1304
1305	ei = addr;
1306	sc = device_private(ei->parent);
1307	if (cp->dev == EAP_RECORD_SOURCE) {
1308		if (cp->type != AUDIO_MIXER_SET)
1309			return EINVAL;
1310		m = sc->sc_record_source = cp->un.mask;
1311		l1 = l2 = r1 = r2 = 0;
1312		if (m & (1 << EAP_VOICE_VOL))
1313			l2 |= AK_M_VOICE, r2 |= AK_M_VOICE;
1314		if (m & (1 << EAP_FM_VOL))
1315			l1 |= AK_M_FM_L, r1 |= AK_M_FM_R;
1316		if (m & (1 << EAP_CD_VOL))
1317			l1 |= AK_M_CD_L, r1 |= AK_M_CD_R;
1318		if (m & (1 << EAP_LINE_VOL))
1319			l1 |= AK_M_LINE_L, r1 |= AK_M_LINE_R;
1320		if (m & (1 << EAP_AUX_VOL))
1321			l2 |= AK_M2_AUX_L, r2 |= AK_M2_AUX_R;
1322		if (m & (1 << EAP_MIC_VOL))
1323			l2 |= AK_M_TMIC, r2 |= AK_M_TMIC;
1324		eap1370_set_mixer(sc, AK_IN_MIXER1_L, l1);
1325		eap1370_set_mixer(sc, AK_IN_MIXER1_R, r1);
1326		eap1370_set_mixer(sc, AK_IN_MIXER2_L, l2);
1327		eap1370_set_mixer(sc, AK_IN_MIXER2_R, r2);
1328		return 0;
1329	}
1330	if (cp->dev == EAP_INPUT_SOURCE) {
1331		if (cp->type != AUDIO_MIXER_SET)
1332			return EINVAL;
1333		m = sc->sc_input_source = cp->un.mask;
1334		o1 = o2 = 0;
1335		if (m & (1 << EAP_VOICE_VOL))
1336			o2 |= AK_M_VOICE_L | AK_M_VOICE_R;
1337		if (m & (1 << EAP_FM_VOL))
1338			o1 |= AK_M_FM_L | AK_M_FM_R;
1339		if (m & (1 << EAP_CD_VOL))
1340			o1 |= AK_M_CD_L | AK_M_CD_R;
1341		if (m & (1 << EAP_LINE_VOL))
1342			o1 |= AK_M_LINE_L | AK_M_LINE_R;
1343		if (m & (1 << EAP_AUX_VOL))
1344			o2 |= AK_M_AUX_L | AK_M_AUX_R;
1345		if (m & (1 << EAP_MIC_VOL))
1346			o1 |= AK_M_MIC;
1347		eap1370_set_mixer(sc, AK_OUT_MIXER1, o1);
1348		eap1370_set_mixer(sc, AK_OUT_MIXER2, o2);
1349		return 0;
1350	}
1351	if (cp->dev == EAP_MIC_PREAMP) {
1352		if (cp->type != AUDIO_MIXER_ENUM)
1353			return EINVAL;
1354		if (cp->un.ord != 0 && cp->un.ord != 1)
1355			return EINVAL;
1356		sc->sc_mic_preamp = cp->un.ord;
1357		eap1370_set_mixer(sc, AK_MGAIN, cp->un.ord);
1358		return 0;
1359	}
1360	if (cp->type != AUDIO_MIXER_VALUE)
1361		return EINVAL;
1362	if (cp->un.value.num_channels == 1)
1363		lval = rval = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
1364	else if (cp->un.value.num_channels == 2) {
1365		lval = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
1366		rval = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
1367	} else
1368		return EINVAL;
1369	ra = -1;
1370	switch (cp->dev) {
1371	case EAP_MASTER_VOL:
1372		l = VOL_TO_ATT5(lval);
1373		r = VOL_TO_ATT5(rval);
1374		la = AK_MASTER_L;
1375		ra = AK_MASTER_R;
1376		break;
1377	case EAP_MIC_VOL:
1378		if (cp->un.value.num_channels != 1)
1379			return EINVAL;
1380		la = AK_MIC;
1381		goto lr;
1382	case EAP_VOICE_VOL:
1383		la = AK_VOICE_L;
1384		ra = AK_VOICE_R;
1385		goto lr;
1386	case EAP_FM_VOL:
1387		la = AK_FM_L;
1388		ra = AK_FM_R;
1389		goto lr;
1390	case EAP_CD_VOL:
1391		la = AK_CD_L;
1392		ra = AK_CD_R;
1393		goto lr;
1394	case EAP_LINE_VOL:
1395		la = AK_LINE_L;
1396		ra = AK_LINE_R;
1397		goto lr;
1398	case EAP_AUX_VOL:
1399		la = AK_AUX_L;
1400		ra = AK_AUX_R;
1401	lr:
1402		l = VOL_TO_GAIN5(lval);
1403		r = VOL_TO_GAIN5(rval);
1404		break;
1405	default:
1406		return EINVAL;
1407	}
1408	eap1370_set_mixer(sc, la, l);
1409	if (ra >= 0) {
1410		eap1370_set_mixer(sc, ra, r);
1411	}
1412	return 0;
1413}
1414
1415static int
1416eap1370_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1417{
1418	struct eap_instance *ei;
1419	struct eap_softc *sc;
1420	int la, ra, l, r;
1421
1422	ei = addr;
1423	sc = device_private(ei->parent);
1424	switch (cp->dev) {
1425	case EAP_RECORD_SOURCE:
1426		if (cp->type != AUDIO_MIXER_SET)
1427			return EINVAL;
1428		cp->un.mask = sc->sc_record_source;
1429		return 0;
1430	case EAP_INPUT_SOURCE:
1431		if (cp->type != AUDIO_MIXER_SET)
1432			return EINVAL;
1433		cp->un.mask = sc->sc_input_source;
1434		return 0;
1435	case EAP_MIC_PREAMP:
1436		if (cp->type != AUDIO_MIXER_ENUM)
1437			return EINVAL;
1438		cp->un.ord = sc->sc_mic_preamp;
1439		return 0;
1440	case EAP_MASTER_VOL:
1441		l = ATT5_TO_VOL(sc->sc_port[AK_MASTER_L]);
1442		r = ATT5_TO_VOL(sc->sc_port[AK_MASTER_R]);
1443		break;
1444	case EAP_MIC_VOL:
1445		if (cp->un.value.num_channels != 1)
1446			return EINVAL;
1447		la = ra = AK_MIC;
1448		goto lr;
1449	case EAP_VOICE_VOL:
1450		la = AK_VOICE_L;
1451		ra = AK_VOICE_R;
1452		goto lr;
1453	case EAP_FM_VOL:
1454		la = AK_FM_L;
1455		ra = AK_FM_R;
1456		goto lr;
1457	case EAP_CD_VOL:
1458		la = AK_CD_L;
1459		ra = AK_CD_R;
1460		goto lr;
1461	case EAP_LINE_VOL:
1462		la = AK_LINE_L;
1463		ra = AK_LINE_R;
1464		goto lr;
1465	case EAP_AUX_VOL:
1466		la = AK_AUX_L;
1467		ra = AK_AUX_R;
1468	lr:
1469		l = GAIN5_TO_VOL(sc->sc_port[la]);
1470		r = GAIN5_TO_VOL(sc->sc_port[ra]);
1471		break;
1472	default:
1473		return EINVAL;
1474	}
1475	if (cp->un.value.num_channels == 1)
1476		cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = (l+r) / 2;
1477	else if (cp->un.value.num_channels == 2) {
1478		cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]  = l;
1479		cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
1480	} else
1481		return EINVAL;
1482	return 0;
1483}
1484
1485static int
1486eap1370_query_devinfo(void *addr, mixer_devinfo_t *dip)
1487{
1488
1489	switch (dip->index) {
1490	case EAP_MASTER_VOL:
1491		dip->type = AUDIO_MIXER_VALUE;
1492		dip->mixer_class = EAP_OUTPUT_CLASS;
1493		dip->prev = dip->next = AUDIO_MIXER_LAST;
1494		strcpy(dip->label.name, AudioNmaster);
1495		dip->un.v.num_channels = 2;
1496		dip->un.v.delta = 8;
1497		strcpy(dip->un.v.units.name, AudioNvolume);
1498		return 0;
1499	case EAP_VOICE_VOL:
1500		dip->type = AUDIO_MIXER_VALUE;
1501		dip->mixer_class = EAP_INPUT_CLASS;
1502		dip->prev = AUDIO_MIXER_LAST;
1503		dip->next = AUDIO_MIXER_LAST;
1504		strcpy(dip->label.name, AudioNdac);
1505		dip->un.v.num_channels = 2;
1506		dip->un.v.delta = 8;
1507		strcpy(dip->un.v.units.name, AudioNvolume);
1508		return 0;
1509	case EAP_FM_VOL:
1510		dip->type = AUDIO_MIXER_VALUE;
1511		dip->mixer_class = EAP_INPUT_CLASS;
1512		dip->prev = AUDIO_MIXER_LAST;
1513		dip->next = AUDIO_MIXER_LAST;
1514		strcpy(dip->label.name, AudioNfmsynth);
1515		dip->un.v.num_channels = 2;
1516		dip->un.v.delta = 8;
1517		strcpy(dip->un.v.units.name, AudioNvolume);
1518		return 0;
1519	case EAP_CD_VOL:
1520		dip->type = AUDIO_MIXER_VALUE;
1521		dip->mixer_class = EAP_INPUT_CLASS;
1522		dip->prev = AUDIO_MIXER_LAST;
1523		dip->next = AUDIO_MIXER_LAST;
1524		strcpy(dip->label.name, AudioNcd);
1525		dip->un.v.num_channels = 2;
1526		dip->un.v.delta = 8;
1527		strcpy(dip->un.v.units.name, AudioNvolume);
1528		return 0;
1529	case EAP_LINE_VOL:
1530		dip->type = AUDIO_MIXER_VALUE;
1531		dip->mixer_class = EAP_INPUT_CLASS;
1532		dip->prev = AUDIO_MIXER_LAST;
1533		dip->next = AUDIO_MIXER_LAST;
1534		strcpy(dip->label.name, AudioNline);
1535		dip->un.v.num_channels = 2;
1536		dip->un.v.delta = 8;
1537		strcpy(dip->un.v.units.name, AudioNvolume);
1538		return 0;
1539	case EAP_AUX_VOL:
1540		dip->type = AUDIO_MIXER_VALUE;
1541		dip->mixer_class = EAP_INPUT_CLASS;
1542		dip->prev = AUDIO_MIXER_LAST;
1543		dip->next = AUDIO_MIXER_LAST;
1544		strcpy(dip->label.name, AudioNaux);
1545		dip->un.v.num_channels = 2;
1546		dip->un.v.delta = 8;
1547		strcpy(dip->un.v.units.name, AudioNvolume);
1548		return 0;
1549	case EAP_MIC_VOL:
1550		dip->type = AUDIO_MIXER_VALUE;
1551		dip->mixer_class = EAP_INPUT_CLASS;
1552		dip->prev = AUDIO_MIXER_LAST;
1553		dip->next = EAP_MIC_PREAMP;
1554		strcpy(dip->label.name, AudioNmicrophone);
1555		dip->un.v.num_channels = 1;
1556		dip->un.v.delta = 8;
1557		strcpy(dip->un.v.units.name, AudioNvolume);
1558		return 0;
1559	case EAP_RECORD_SOURCE:
1560		dip->mixer_class = EAP_RECORD_CLASS;
1561		dip->prev = dip->next = AUDIO_MIXER_LAST;
1562		strcpy(dip->label.name, AudioNsource);
1563		dip->type = AUDIO_MIXER_SET;
1564		dip->un.s.num_mem = 6;
1565		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1566		dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1567		strcpy(dip->un.s.member[1].label.name, AudioNcd);
1568		dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1569		strcpy(dip->un.s.member[2].label.name, AudioNline);
1570		dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1571		strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1572		dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1573		strcpy(dip->un.s.member[4].label.name, AudioNaux);
1574		dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1575		strcpy(dip->un.s.member[5].label.name, AudioNdac);
1576		dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1577		return 0;
1578	case EAP_INPUT_SOURCE:
1579		dip->mixer_class = EAP_INPUT_CLASS;
1580		dip->prev = dip->next = AUDIO_MIXER_LAST;
1581		strcpy(dip->label.name, AudioNsource);
1582		dip->type = AUDIO_MIXER_SET;
1583		dip->un.s.num_mem = 6;
1584		strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1585		dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1586		strcpy(dip->un.s.member[1].label.name, AudioNcd);
1587		dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1588		strcpy(dip->un.s.member[2].label.name, AudioNline);
1589		dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1590		strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1591		dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1592		strcpy(dip->un.s.member[4].label.name, AudioNaux);
1593		dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1594		strcpy(dip->un.s.member[5].label.name, AudioNdac);
1595		dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1596		return 0;
1597	case EAP_MIC_PREAMP:
1598		dip->type = AUDIO_MIXER_ENUM;
1599		dip->mixer_class = EAP_INPUT_CLASS;
1600		dip->prev = EAP_MIC_VOL;
1601		dip->next = AUDIO_MIXER_LAST;
1602		strcpy(dip->label.name, AudioNpreamp);
1603		dip->un.e.num_mem = 2;
1604		strcpy(dip->un.e.member[0].label.name, AudioNoff);
1605		dip->un.e.member[0].ord = 0;
1606		strcpy(dip->un.e.member[1].label.name, AudioNon);
1607		dip->un.e.member[1].ord = 1;
1608		return 0;
1609	case EAP_OUTPUT_CLASS:
1610		dip->type = AUDIO_MIXER_CLASS;
1611		dip->mixer_class = EAP_OUTPUT_CLASS;
1612		dip->next = dip->prev = AUDIO_MIXER_LAST;
1613		strcpy(dip->label.name, AudioCoutputs);
1614		return 0;
1615	case EAP_RECORD_CLASS:
1616		dip->type = AUDIO_MIXER_CLASS;
1617		dip->mixer_class = EAP_RECORD_CLASS;
1618		dip->next = dip->prev = AUDIO_MIXER_LAST;
1619		strcpy(dip->label.name, AudioCrecord);
1620		return 0;
1621	case EAP_INPUT_CLASS:
1622		dip->type = AUDIO_MIXER_CLASS;
1623		dip->mixer_class = EAP_INPUT_CLASS;
1624		dip->next = dip->prev = AUDIO_MIXER_LAST;
1625		strcpy(dip->label.name, AudioCinputs);
1626		return 0;
1627	}
1628	return ENXIO;
1629}
1630
1631static void *
1632eap_malloc(void *addr, int direction, size_t size)
1633{
1634	struct eap_instance *ei;
1635	struct eap_softc *sc;
1636	struct eap_dma *p;
1637	int error;
1638
1639	p = kmem_alloc(sizeof(*p), KM_SLEEP);
1640	ei = addr;
1641	sc = device_private(ei->parent);
1642	error = eap_allocmem(sc, size, 16, p);
1643	if (error) {
1644		kmem_free(p, sizeof(*p));
1645		return NULL;
1646	}
1647	p->next = sc->sc_dmas;
1648	sc->sc_dmas = p;
1649	return KERNADDR(p);
1650}
1651
1652static void
1653eap_free(void *addr, void *ptr, size_t size)
1654{
1655	struct eap_instance *ei;
1656	struct eap_softc *sc;
1657	struct eap_dma **pp, *p;
1658
1659	ei = addr;
1660	sc = device_private(ei->parent);
1661	for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1662		if (KERNADDR(p) == ptr) {
1663			eap_freemem(sc, p);
1664			*pp = p->next;
1665			kmem_free(p, sizeof(*p));
1666			return;
1667		}
1668	}
1669}
1670
1671static int
1672eap_get_props(void *addr)
1673{
1674	struct eap_instance *ei;
1675	struct eap_softc *sc;
1676	int prop;
1677
1678	ei = addr;
1679	sc = device_private(ei->parent);
1680	prop = AUDIO_PROP_PLAYBACK | AUDIO_PROP_CAPTURE |
1681	    AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
1682	/* The es1370 only has one clock, so it's not independent */
1683	if (!sc->sc_1371 && ei->index == EAP_DAC2)
1684		prop &= ~AUDIO_PROP_INDEPENDENT;
1685
1686	return prop;
1687}
1688
1689static void
1690eap_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
1691{
1692	struct eap_instance *ei;
1693	struct eap_softc *sc;
1694
1695	ei = addr;
1696	sc = device_private(ei->parent);
1697	*intr = &sc->sc_intr_lock;
1698	*thread = &sc->sc_lock;
1699}
1700
1701#if NMIDI > 0
1702static int
1703eap_midi_open(void *addr, int flags,
1704	      void (*iintr)(void *, int),
1705	      void (*ointr)(void *),
1706	      void *arg)
1707{
1708	struct eap_softc *sc;
1709	uint8_t uctrl;
1710
1711	sc = addr;
1712	sc->sc_arg = arg;
1713
1714	EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) | EAP_UART_EN);
1715	uctrl = 0;
1716	if (flags & FREAD) {
1717		uctrl |= EAP_UC_RXINTEN;
1718		sc->sc_iintr = iintr;
1719	}
1720	if (flags & FWRITE)
1721		sc->sc_ointr = ointr;
1722	EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1723
1724	return 0;
1725}
1726
1727static void
1728eap_midi_close(void *addr)
1729{
1730	struct eap_softc *sc;
1731
1732	sc = addr;
1733	/* give uart a chance to drain */
1734	(void)kpause("eapclm", false, hz/10, &sc->sc_intr_lock);
1735	EWRITE1(sc, EAP_UART_CONTROL, 0);
1736	EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) & ~EAP_UART_EN);
1737
1738	sc->sc_iintr = 0;
1739	sc->sc_ointr = 0;
1740}
1741
1742static int
1743eap_midi_output(void *addr, int d)
1744{
1745	struct eap_softc *sc;
1746	uint8_t uctrl;
1747
1748	sc = addr;
1749	EWRITE1(sc, EAP_UART_DATA, d);
1750
1751	uctrl = EAP_UC_TXINTEN;
1752	if (sc->sc_iintr)
1753		uctrl |= EAP_UC_RXINTEN;
1754	/*
1755	 * This is a write-only register, so we have to remember the right
1756	 * value of RXINTEN as well as setting TXINTEN. But if we are open
1757	 * for reading, it will always be correct to set RXINTEN here; only
1758	 * during service of a receive interrupt could it be momentarily
1759	 * toggled off, and whether we got here from the top half or from
1760	 * an interrupt, that won't be the current state.
1761	 */
1762	EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1763	return 0;
1764}
1765
1766static void
1767eap_midi_getinfo(void *addr, struct midi_info *mi)
1768{
1769	mi->name = "AudioPCI MIDI UART";
1770	mi->props = MIDI_PROP_CAN_INPUT | MIDI_PROP_OUT_INTR;
1771}
1772
1773static void
1774eap_uart_txrdy(struct eap_softc *sc)
1775{
1776	uint8_t uctrl;
1777	uctrl = 0;
1778	if (sc->sc_iintr)
1779		uctrl = EAP_UC_RXINTEN;
1780	EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1781	sc->sc_ointr(sc->sc_arg);
1782}
1783
1784#endif
1785