1/* $NetBSD: eap.c,v 1.96 2016/07/07 06:55:41 msaitoh 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#include <sys/cdefs.h>
54__KERNEL_RCSID(0, "$NetBSD: eap.c,v 1.96 2016/07/07 06:55:41 msaitoh Exp $");
55
56#include "midi.h"
57#include "joy_eap.h"
58
59#include <sys/param.h>
60#include <sys/systm.h>
61#include <sys/kernel.h>
62#include <sys/fcntl.h>
63#include <sys/kmem.h>
64#include <sys/device.h>
65#include <sys/proc.h>
66#include <sys/select.h>
67#include <sys/mutex.h>
68#include <sys/bus.h>
69#include <sys/audioio.h>
70
71#include <dev/audio_if.h>
72#include <dev/midi_if.h>
73#include <dev/audiovar.h>
74#include <dev/mulaw.h>
75#include <dev/auconv.h>
76
77#include <dev/pci/pcidevs.h>
78#include <dev/pci/eapreg.h>
79#include <dev/pci/eapvar.h>
80
81#define PCI_CBIO 0x10
82
83/* Debug */
84#ifdef AUDIO_DEBUG
85#define DPRINTF(x) if (eapdebug) printf x
86#define DPRINTFN(n,x) if (eapdebug>(n)) printf x
87int eapdebug = 0;
88#else
89#define DPRINTF(x)
90#define DPRINTFN(n,x)
91#endif
92
93static int eap_match(device_t, cfdata_t, void *);
94static void eap_attach(device_t, device_t, void *);
95static int eap_detach(device_t, int);
96static int eap_intr(void *);
97
98static int eap_allocmem(struct eap_softc *, size_t, size_t,
99 struct eap_dma *);
100static int eap_freemem(struct eap_softc *, struct eap_dma *);
101
102#define EWRITE1(sc, r, x) bus_space_write_1((sc)->iot, (sc)->ioh, (r), (x))
103#define EWRITE2(sc, r, x) bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x))
104#define EWRITE4(sc, r, x) bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x))
105#define EREAD1(sc, r) bus_space_read_1((sc)->iot, (sc)->ioh, (r))
106#define EREAD2(sc, r) bus_space_read_2((sc)->iot, (sc)->ioh, (r))
107#define EREAD4(sc, r) bus_space_read_4((sc)->iot, (sc)->ioh, (r))
108
109CFATTACH_DECL_NEW(eap, sizeof(struct eap_softc),
110 eap_match, eap_attach, eap_detach, NULL);
111
112static int eap_open(void *, int);
113static int eap_query_encoding(void *, struct audio_encoding *);
114static int eap_set_params(void *, int, int, audio_params_t *,
115 audio_params_t *, stream_filter_list_t *,
116 stream_filter_list_t *);
117static int eap_round_blocksize(void *, int, int, const audio_params_t *);
118static int eap_trigger_output(void *, void *, void *, int,
119 void (*)(void *), void *,
120 const audio_params_t *);
121static int eap_trigger_input(void *, void *, void *, int,
122 void (*)(void *), void *,
123 const audio_params_t *);
124static int eap_halt_output(void *);
125static int eap_halt_input(void *);
126static void eap1370_write_codec(struct eap_softc *, int, int);
127static int eap_getdev(void *, struct audio_device *);
128static int eap1370_mixer_set_port(void *, mixer_ctrl_t *);
129static int eap1370_mixer_get_port(void *, mixer_ctrl_t *);
130static int eap1371_mixer_set_port(void *, mixer_ctrl_t *);
131static int eap1371_mixer_get_port(void *, mixer_ctrl_t *);
132static int eap1370_query_devinfo(void *, mixer_devinfo_t *);
133static void *eap_malloc(void *, int, size_t);
134static void eap_free(void *, void *, size_t);
135static size_t eap_round_buffersize(void *, int, size_t);
136static paddr_t eap_mappage(void *, void *, off_t, int);
137static int eap_get_props(void *);
138static void eap1370_set_mixer(struct eap_softc *, int, int);
139static uint32_t eap1371_src_wait(struct eap_softc *);
140static void eap1371_set_adc_rate(struct eap_softc *, int);
141static void eap1371_set_dac_rate(struct eap_instance *, int);
142static int eap1371_src_read(struct eap_softc *, int);
143static void eap1371_src_write(struct eap_softc *, int, int);
144static int eap1371_query_devinfo(void *, mixer_devinfo_t *);
145
146static int eap1371_attach_codec(void *, struct ac97_codec_if *);
147static int eap1371_read_codec(void *, uint8_t, uint16_t *);
148static int eap1371_write_codec(void *, uint8_t, uint16_t );
149static int eap1371_reset_codec(void *);
150static void eap_get_locks(void *, kmutex_t **, kmutex_t **);
151
152#if NMIDI > 0
153static void eap_midi_close(void *);
154static void eap_midi_getinfo(void *, struct midi_info *);
155static int eap_midi_open(void *, int, void (*)(void *, int),
156 void (*)(void *), void *);
157static int eap_midi_output(void *, int);
158static void eap_uart_txrdy(struct eap_softc *);
159#endif
160
161static const struct audio_hw_if eap1370_hw_if = {
162 eap_open,
163 NULL, /* close */
164 NULL,
165 eap_query_encoding,
166 eap_set_params,
167 eap_round_blocksize,
168 NULL,
169 NULL,
170 NULL,
171 NULL,
172 NULL,
173 eap_halt_output,
174 eap_halt_input,
175 NULL,
176 eap_getdev,
177 NULL,
178 eap1370_mixer_set_port,
179 eap1370_mixer_get_port,
180 eap1370_query_devinfo,
181 eap_malloc,
182 eap_free,
183 eap_round_buffersize,
184 eap_mappage,
185 eap_get_props,
186 eap_trigger_output,
187 eap_trigger_input,
188 NULL,
189 eap_get_locks,
190};
191
192static const struct audio_hw_if eap1371_hw_if = {
193 eap_open,
194 NULL, /* close */
195 NULL,
196 eap_query_encoding,
197 eap_set_params,
198 eap_round_blocksize,
199 NULL,
200 NULL,
201 NULL,
202 NULL,
203 NULL,
204 eap_halt_output,
205 eap_halt_input,
206 NULL,
207 eap_getdev,
208 NULL,
209 eap1371_mixer_set_port,
210 eap1371_mixer_get_port,
211 eap1371_query_devinfo,
212 eap_malloc,
213 eap_free,
214 eap_round_buffersize,
215 eap_mappage,
216 eap_get_props,
217 eap_trigger_output,
218 eap_trigger_input,
219 NULL,
220 eap_get_locks,
221};
222
223#if NMIDI > 0
224static const struct midi_hw_if eap_midi_hw_if = {
225 eap_midi_open,
226 eap_midi_close,
227 eap_midi_output,
228 eap_midi_getinfo,
229 0, /* ioctl */
230 eap_get_locks,
231};
232#endif
233
234static struct audio_device eap_device = {
235 "Ensoniq AudioPCI",
236 "",
237 "eap"
238};
239
240#define EAP_NFORMATS 4
241static const struct audio_format eap_formats[EAP_NFORMATS] = {
242 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
243 2, AUFMT_STEREO, 0, {4000, 48000}},
244 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
245 1, AUFMT_MONAURAL, 0, {4000, 48000}},
246 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
247 2, AUFMT_STEREO, 0, {4000, 48000}},
248 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8,
249 1, AUFMT_MONAURAL, 0, {4000, 48000}},
250};
251
252static int
253eap_match(device_t parent, cfdata_t match, void *aux)
254{
255 struct pci_attach_args *pa;
256
257 pa = (struct pci_attach_args *)aux;
258 switch (PCI_VENDOR(pa->pa_id)) {
259 case PCI_VENDOR_CREATIVELABS:
260 switch (PCI_PRODUCT(pa->pa_id)) {
261 case PCI_PRODUCT_CREATIVELABS_EV1938:
262 return 1;
263 }
264 break;
265 case PCI_VENDOR_ENSONIQ:
266 switch (PCI_PRODUCT(pa->pa_id)) {
267 case PCI_PRODUCT_ENSONIQ_AUDIOPCI:
268 case PCI_PRODUCT_ENSONIQ_AUDIOPCI97:
269 case PCI_PRODUCT_ENSONIQ_CT5880:
270 return 1;
271 }
272 break;
273 }
274
275 return 0;
276}
277
278static void
279eap1370_write_codec(struct eap_softc *sc, int a, int d)
280{
281 int icss, to;
282
283 to = EAP_WRITE_TIMEOUT;
284 do {
285 icss = EREAD4(sc, EAP_ICSS);
286 DPRINTFN(5,("eap: codec %d prog: icss=0x%08x\n", a, icss));
287 if (!to--) {
288 printf("eap: timeout writing to codec\n");
289 return;
290 }
291 } while(icss & EAP_CWRIP); /* XXX could use CSTAT here */
292 EWRITE4(sc, EAP_CODEC, EAP_SET_CODEC(a, d));
293}
294
295/*
296 * Reading and writing the CODEC is very convoluted. This mimics the
297 * FreeBSD and Linux drivers.
298 */
299
300static inline void
301eap1371_ready_codec(struct eap_softc *sc, uint8_t a, uint32_t wd)
302{
303 int to;
304 uint32_t src, t;
305
306 for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
307 if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
308 break;
309 delay(1);
310 }
311 if (to >= EAP_WRITE_TIMEOUT)
312 aprint_error_dev(sc->sc_dev,
313 "eap1371_ready_codec timeout 1\n");
314
315 mutex_spin_enter(&sc->sc_intr_lock);
316 src = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
317 EWRITE4(sc, E1371_SRC, src | E1371_SRC_STATE_OK);
318
319 for (to = 0; to < EAP_READ_TIMEOUT; to++) {
320 t = EREAD4(sc, E1371_SRC);
321 if ((t & E1371_SRC_STATE_MASK) == 0)
322 break;
323 delay(1);
324 }
325 if (to >= EAP_READ_TIMEOUT)
326 aprint_error_dev(sc->sc_dev,
327 "eap1371_ready_codec timeout 2\n");
328
329 for (to = 0; to < EAP_READ_TIMEOUT; to++) {
330 t = EREAD4(sc, E1371_SRC);
331 if ((t & E1371_SRC_STATE_MASK) == E1371_SRC_STATE_OK)
332 break;
333 delay(1);
334 }
335 if (to >= EAP_READ_TIMEOUT)
336 aprint_error_dev(sc->sc_dev,
337 "eap1371_ready_codec timeout 3\n");
338
339 EWRITE4(sc, E1371_CODEC, wd);
340
341 eap1371_src_wait(sc);
342 EWRITE4(sc, E1371_SRC, src);
343
344 mutex_spin_exit(&sc->sc_intr_lock);
345}
346
347static int
348eap1371_read_codec(void *sc_, uint8_t a, uint16_t *d)
349{
350 struct eap_softc *sc;
351 int to;
352 uint32_t t;
353
354 sc = sc_;
355 eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, 0) | E1371_CODEC_READ);
356
357 for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
358 if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
359 break;
360 }
361 if (to > EAP_WRITE_TIMEOUT)
362 aprint_error_dev(sc->sc_dev,
363 "eap1371_read_codec timeout 1\n");
364
365 for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
366 t = EREAD4(sc, E1371_CODEC);
367 if (t & E1371_CODEC_VALID)
368 break;
369 }
370 if (to > EAP_WRITE_TIMEOUT)
371 aprint_error_dev(sc->sc_dev, "eap1371_read_codec timeout 2\n");
372
373 *d = (uint16_t)t;
374
375 DPRINTFN(10, ("eap1371: reading codec (%x) = %x\n", a, *d));
376
377 return 0;
378}
379
380static int
381eap1371_write_codec(void *sc_, uint8_t a, uint16_t d)
382{
383 struct eap_softc *sc;
384
385 sc = sc_;
386 eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, d));
387
388 DPRINTFN(10, ("eap1371: writing codec %x --> %x\n", d, a));
389
390 return 0;
391}
392
393static uint32_t
394eap1371_src_wait(struct eap_softc *sc)
395{
396 int to;
397 u_int32_t src;
398
399 for (to = 0; to < EAP_READ_TIMEOUT; to++) {
400 src = EREAD4(sc, E1371_SRC);
401 if (!(src & E1371_SRC_RBUSY))
402 return src;
403 delay(1);
404 }
405 aprint_error_dev(sc->sc_dev, "eap1371_src_wait timeout\n");
406 return src;
407}
408
409static int
410eap1371_src_read(struct eap_softc *sc, int a)
411{
412 int to;
413 uint32_t src, t;
414
415 src = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
416 src |= E1371_SRC_ADDR(a);
417 EWRITE4(sc, E1371_SRC, src | E1371_SRC_STATE_OK);
418
419 t = eap1371_src_wait(sc);
420 if ((t & E1371_SRC_STATE_MASK) != E1371_SRC_STATE_OK) {
421 for (to = 0; to < EAP_READ_TIMEOUT; to++) {
422 t = EREAD4(sc, E1371_SRC);
423 if ((t & E1371_SRC_STATE_MASK) == E1371_SRC_STATE_OK)
424 break;
425 delay(1);
426 }
427 }
428
429 EWRITE4(sc, E1371_SRC, src);
430
431 return t & E1371_SRC_DATAMASK;
432}
433
434static void
435eap1371_src_write(struct eap_softc *sc, int a, int d)
436{
437 uint32_t r;
438
439 r = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
440 r |= E1371_SRC_RAMWE | E1371_SRC_ADDR(a) | E1371_SRC_DATA(d);
441 EWRITE4(sc, E1371_SRC, r);
442}
443
444static void
445eap1371_set_adc_rate(struct eap_softc *sc, int rate)
446{
447 int freq, n, truncm;
448 int out;
449
450 /* Whatever, it works, so I'll leave it :) */
451
452 if (rate > 48000)
453 rate = 48000;
454 if (rate < 4000)
455 rate = 4000;
456 n = rate / 3000;
457 if ((1 << n) & SRC_MAGIC)
458 n--;
459 truncm = ((21 * n) - 1) | 1;
460 freq = ((48000 << 15) / rate) * n;
461 if (rate >= 24000) {
462 if (truncm > 239)
463 truncm = 239;
464 out = ESRC_SET_TRUNC((239 - truncm) / 2);
465 } else {
466 if (truncm > 119)
467 truncm = 119;
468 out = ESRC_SMF | ESRC_SET_TRUNC((119 - truncm) / 2);
469 }
470 out |= ESRC_SET_N(n);
471 mutex_spin_enter(&sc->sc_intr_lock);
472 eap1371_src_write(sc, ESRC_ADC+ESRC_TRUNC_N, out);
473
474 out = eap1371_src_read(sc, ESRC_ADC+ESRC_IREGS) & 0xff;
475 eap1371_src_write(sc, ESRC_ADC+ESRC_IREGS, out |
476 ESRC_SET_VFI(freq >> 15));
477 eap1371_src_write(sc, ESRC_ADC+ESRC_VFF, freq & 0x7fff);
478 eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(n));
479 eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(n));
480 mutex_spin_exit(&sc->sc_intr_lock);
481}
482
483static void
484eap1371_set_dac_rate(struct eap_instance *ei, int rate)
485{
486 struct eap_softc *sc;
487 int dac;
488 int freq, r;
489
490 DPRINTFN(2, ("eap1371_set_dac_date: set rate for %d\n", ei->index));
491 sc = device_private(ei->parent);
492 dac = ei->index == EAP_DAC1 ? ESRC_DAC1 : ESRC_DAC2;
493
494 /* Whatever, it works, so I'll leave it :) */
495
496 if (rate > 48000)
497 rate = 48000;
498 if (rate < 4000)
499 rate = 4000;
500 freq = ((rate << 15) + 1500) / 3000;
501
502 mutex_spin_enter(&sc->sc_intr_lock);
503 eap1371_src_wait(sc);
504 r = EREAD4(sc, E1371_SRC) & (E1371_SRC_DISABLE |
505 E1371_SRC_DISP2 | E1371_SRC_DISP1 | E1371_SRC_DISREC);
506 r |= ei->index == EAP_DAC1 ? E1371_SRC_DISP1 : E1371_SRC_DISP2;
507 EWRITE4(sc, E1371_SRC, r);
508 r = eap1371_src_read(sc, dac + ESRC_IREGS) & 0x00ff;
509 eap1371_src_write(sc, dac + ESRC_IREGS, r | ((freq >> 5) & 0xfc00));
510 eap1371_src_write(sc, dac + ESRC_VFF, freq & 0x7fff);
511 r = EREAD4(sc, E1371_SRC) & (E1371_SRC_DISABLE |
512 E1371_SRC_DISP2 | E1371_SRC_DISP1 | E1371_SRC_DISREC);
513 r &= ~(ei->index == EAP_DAC1 ? E1371_SRC_DISP1 : E1371_SRC_DISP2);
514 EWRITE4(sc, E1371_SRC, r);
515 mutex_spin_exit(&sc->sc_intr_lock);
516}
517
518static void
519eap_attach(device_t parent, device_t self, void *aux)
520{
521 struct eap_softc *sc;
522 struct pci_attach_args *pa;
523 pci_chipset_tag_t pc;
524 const struct audio_hw_if *eap_hw_if;
525 char const *intrstr;
526 pci_intr_handle_t ih;
527 pcireg_t csr;
528 char devinfo[256];
529 mixer_ctrl_t ctl;
530 int i;
531 int revision, ct5880;
532 const char *revstr;
533#if NJOY_EAP > 0
534 struct eap_gameport_args gpargs;
535#endif
536 char intrbuf[PCI_INTRSTR_LEN];
537
538 sc = device_private(self);
539 sc->sc_dev = self;
540 pa = (struct pci_attach_args *)aux;
541 pc = pa->pa_pc;
542 revstr = "";
543 aprint_naive(": Audio controller\n");
544
545 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
546 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
547
548 /* Stash this away for detach */
549 sc->sc_pc = pc;
550
551 /* Flag if we're "creative" */
552 sc->sc_1371 = !(PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
553 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_AUDIOPCI);
554
555 /*
556 * The vendor and product ID's are quite "interesting". Just
557 * trust the following and be happy.
558 */
559 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
560 revision = PCI_REVISION(pa->pa_class);
561 ct5880 = 0;
562 if (sc->sc_1371) {
563 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
564 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_CT5880) {
565 ct5880 = 1;
566 switch (revision) {
567 case EAP_CT5880_C: revstr = "CT5880-C "; break;
568 case EAP_CT5880_D: revstr = "CT5880-D "; break;
569 case EAP_CT5880_E: revstr = "CT5880-E "; break;
570 }
571 } else {
572 switch (revision) {
573 case EAP_EV1938_A: revstr = "EV1938-A "; break;
574 case EAP_ES1373_A: revstr = "ES1373-A "; break;
575 case EAP_ES1373_B: revstr = "ES1373-B "; break;
576 case EAP_CT5880_A: revstr = "CT5880-A "; ct5880=1;break;
577 case EAP_ES1373_8: revstr = "ES1373-8" ; ct5880=1;break;
578 case EAP_ES1371_B: revstr = "ES1371-B "; break;
579 }
580 }
581 }
582 aprint_normal(": %s %s(rev. 0x%02x)\n", devinfo, revstr, revision);
583
584 /* Map I/O register */
585 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
586 &sc->iot, &sc->ioh, NULL, &sc->iosz)) {
587 aprint_error_dev(sc->sc_dev, "can't map i/o space\n");
588 return;
589 }
590
591 sc->sc_dmatag = pa->pa_dmat;
592
593 /* Enable the device. */
594 csr = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
595 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
596 csr | PCI_COMMAND_MASTER_ENABLE);
597
598 /* Map and establish the interrupt. */
599 if (pci_intr_map(pa, &ih)) {
600 aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n");
601 return;
602 }
603 intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf));
604 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, eap_intr, sc);
605 if (sc->sc_ih == NULL) {
606 aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
607 if (intrstr != NULL)
608 aprint_error(" at %s", intrstr);
609 aprint_error("\n");
610 return;
611 }
612 aprint_normal_dev(self, "interrupting at %s\n", intrstr);
613
614 sc->sc_ei[EAP_I1].parent = self;
615 sc->sc_ei[EAP_I1].index = EAP_DAC2;
616 sc->sc_ei[EAP_I2].parent = self;
617 sc->sc_ei[EAP_I2].index = EAP_DAC1;
618
619 if (!sc->sc_1371) {
620 /* Enable interrupts and looping mode. */
621 /* enable the parts we need */
622 EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
623 EWRITE4(sc, EAP_ICSC, EAP_CDC_EN);
624
625 /* reset codec */
626 /* normal operation */
627 /* select codec clocks */
628 eap1370_write_codec(sc, AK_RESET, AK_PD);
629 eap1370_write_codec(sc, AK_RESET, AK_PD | AK_NRST);
630 eap1370_write_codec(sc, AK_CS, 0x0);
631
632 eap_hw_if = &eap1370_hw_if;
633
634 /* Enable all relevant mixer switches. */
635 ctl.dev = EAP_INPUT_SOURCE;
636 ctl.type = AUDIO_MIXER_SET;
637 ctl.un.mask = 1 << EAP_VOICE_VOL | 1 << EAP_FM_VOL |
638 1 << EAP_CD_VOL | 1 << EAP_LINE_VOL |
639 1 << EAP_AUX_VOL | 1 << EAP_MIC_VOL;
640 eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
641
642 ctl.type = AUDIO_MIXER_VALUE;
643 ctl.un.value.num_channels = 1;
644 for (ctl.dev = EAP_MASTER_VOL; ctl.dev < EAP_MIC_VOL;
645 ctl.dev++) {
646 ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = VOL_0DB;
647 eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
648 }
649 ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = 0;
650 eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
651 ctl.dev = EAP_MIC_PREAMP;
652 ctl.type = AUDIO_MIXER_ENUM;
653 ctl.un.ord = 0;
654 eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
655 ctl.dev = EAP_RECORD_SOURCE;
656 ctl.type = AUDIO_MIXER_SET;
657 ctl.un.mask = 1 << EAP_MIC_VOL;
658 eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
659 } else {
660 /* clean slate */
661
662 EWRITE4(sc, EAP_SIC, 0);
663 EWRITE4(sc, EAP_ICSC, 0);
664 EWRITE4(sc, E1371_LEGACY, 0);
665
666 if (ct5880) {
667 EWRITE4(sc, EAP_ICSS, EAP_CT5880_AC97_RESET);
668 /* Let codec wake up */
669 delay(20000);
670 }
671
672 /* Reset from es1371's perspective */
673 EWRITE4(sc, EAP_ICSC, E1371_SYNC_RES);
674 delay(20);
675 EWRITE4(sc, EAP_ICSC, 0);
676
677 /*
678 * Must properly reprogram sample rate converter,
679 * or it locks up. Set some defaults for the life of the
680 * machine, and set up a sb default sample rate.
681 */
682 EWRITE4(sc, E1371_SRC, E1371_SRC_DISABLE);
683 for (i = 0; i < 0x80; i++)
684 eap1371_src_write(sc, i, 0);
685 eap1371_src_write(sc, ESRC_DAC1+ESRC_TRUNC_N, ESRC_SET_N(16));
686 eap1371_src_write(sc, ESRC_DAC2+ESRC_TRUNC_N, ESRC_SET_N(16));
687 eap1371_src_write(sc, ESRC_DAC1+ESRC_IREGS, ESRC_SET_VFI(16));
688 eap1371_src_write(sc, ESRC_DAC2+ESRC_IREGS, ESRC_SET_VFI(16));
689 eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(16));
690 eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(16));
691 eap1371_src_write(sc, ESRC_DAC1_VOLL, ESRC_SET_DAC_VOLI(1));
692 eap1371_src_write(sc, ESRC_DAC1_VOLR, ESRC_SET_DAC_VOLI(1));
693 eap1371_src_write(sc, ESRC_DAC2_VOLL, ESRC_SET_DAC_VOLI(1));
694 eap1371_src_write(sc, ESRC_DAC2_VOLR, ESRC_SET_DAC_VOLI(1));
695 eap1371_set_adc_rate(sc, 22050);
696 eap1371_set_dac_rate(&sc->sc_ei[0], 22050);
697 eap1371_set_dac_rate(&sc->sc_ei[1], 22050);
698
699 EWRITE4(sc, E1371_SRC, 0);
700
701 /* Reset codec */
702
703 /* Interrupt enable */
704 sc->host_if.arg = sc;
705 sc->host_if.attach = eap1371_attach_codec;
706 sc->host_if.read = eap1371_read_codec;
707 sc->host_if.write = eap1371_write_codec;
708 sc->host_if.reset = eap1371_reset_codec;
709
710 if (ac97_attach(&sc->host_if, self, &sc->sc_lock) == 0) {
711 /* Interrupt enable */
712 EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
713 } else
714 return;
715
716 eap_hw_if = &eap1371_hw_if;
717 }
718
719 sc->sc_ei[EAP_I1].ei_audiodev =
720 audio_attach_mi(eap_hw_if, &sc->sc_ei[EAP_I1], sc->sc_dev);
721
722#ifdef EAP_USE_BOTH_DACS
723 aprint_normal_dev(self, "attaching secondary DAC\n");
724 sc->sc_ei[EAP_I2].ei_audiodev =
725 audio_attach_mi(eap_hw_if, &sc->sc_ei[EAP_I2], sc->sc_dev);
726#endif
727
728#if NMIDI > 0
729 sc->sc_mididev = midi_attach_mi(&eap_midi_hw_if, sc, sc->sc_dev);
730#endif
731
732#if NJOY_EAP > 0
733 if (sc->sc_1371) {
734 gpargs.gpa_iot = sc->iot;
735 gpargs.gpa_ioh = sc->ioh;
736 sc->sc_gameport = eap_joy_attach(sc->sc_dev, &gpargs);
737 }
738#endif
739}
740
741static int
742eap_detach(device_t self, int flags)
743{
744 struct eap_softc *sc;
745 int res;
746#if NJOY_EAP > 0
747 struct eap_gameport_args gpargs;
748
749 sc = device_private(self);
750 if (sc->sc_gameport) {
751 gpargs.gpa_iot = sc->iot;
752 gpargs.gpa_ioh = sc->ioh;
753 res = eap_joy_detach(sc->sc_gameport, &gpargs);
754 if (res)
755 return res;
756 }
757#else
758 sc = device_private(self);
759#endif
760#if NMIDI > 0
761 if (sc->sc_mididev != NULL) {
762 res = config_detach(sc->sc_mididev, 0);
763 if (res)
764 return res;
765 }
766#endif
767#ifdef EAP_USE_BOTH_DACS
768 if (sc->sc_ei[EAP_I2].ei_audiodev != NULL) {
769 res = config_detach(sc->sc_ei[EAP_I2].ei_audiodev, 0);
770 if (res)
771 return res;
772 }
773#endif
774 if (sc->sc_ei[EAP_I1].ei_audiodev != NULL) {
775 res = config_detach(sc->sc_ei[EAP_I1].ei_audiodev, 0);
776 if (res)
777 return res;
778 }
779
780 bus_space_unmap(sc->iot, sc->ioh, sc->iosz);
781 pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
782 mutex_destroy(&sc->sc_lock);
783 mutex_destroy(&sc->sc_intr_lock);
784
785 return 0;
786}
787
788static int
789eap1371_attach_codec(void *sc_, struct ac97_codec_if *codec_if)
790{
791 struct eap_softc *sc;
792
793 sc = sc_;
794 sc->codec_if = codec_if;
795 return 0;
796}
797
798static int
799eap1371_reset_codec(void *sc_)
800{
801 struct eap_softc *sc;
802 uint32_t icsc;
803
804 sc = sc_;
805 mutex_spin_enter(&sc->sc_intr_lock);
806 icsc = EREAD4(sc, EAP_ICSC);
807 EWRITE4(sc, EAP_ICSC, icsc | E1371_SYNC_RES);
808 delay(20);
809 EWRITE4(sc, EAP_ICSC, icsc & ~E1371_SYNC_RES);
810 delay(1);
811 mutex_spin_exit(&sc->sc_intr_lock);
812
813 return 0;
814}
815
816static int
817eap_intr(void *p)
818{
819 struct eap_softc *sc;
820 uint32_t intr, sic;
821
822 sc = p;
823 mutex_spin_enter(&sc->sc_intr_lock);
824 intr = EREAD4(sc, EAP_ICSS);
825 if (!(intr & EAP_INTR)) {
826 mutex_spin_exit(&sc->sc_intr_lock);
827 return 0;
828 }
829 sic = EREAD4(sc, EAP_SIC);
830 DPRINTFN(5, ("eap_intr: ICSS=0x%08x, SIC=0x%08x\n", intr, sic));
831 if (intr & EAP_I_ADC) {
832#if 0
833 /*
834 * XXX This is a hack!
835 * The EAP chip sometimes generates the recording interrupt
836 * while it is still transferring the data. To make sure
837 * it has all arrived we busy wait until the count is right.
838 * The transfer we are waiting for is 8 longwords.
839 */
840 int s, nw, n;
841 EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
842 s = EREAD4(sc, EAP_ADC_CSR);
843 nw = ((s & 0xffff) + 1) >> 2; /* # of words in DMA */
844 n = 0;
845 while (((EREAD4(sc, EAP_ADC_SIZE) >> 16) + 8) % nw == 0) {
846 delay(10);
847 if (++n > 100) {
848 printf("eapintr: DMA fix timeout");
849 break;
850 }
851 }
852 /* Continue with normal interrupt handling. */
853#endif
854 EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
855 EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
856 if (sc->sc_rintr)
857 sc->sc_rintr(sc->sc_rarg);
858 }
859
860 if (intr & EAP_I_DAC2) {
861 EWRITE4(sc, EAP_SIC, sic & ~EAP_P2_INTR_EN);
862 EWRITE4(sc, EAP_SIC, sic | EAP_P2_INTR_EN);
863 if (sc->sc_ei[EAP_DAC2].ei_pintr)
864 sc->sc_ei[EAP_DAC2].ei_pintr(sc->sc_ei[EAP_DAC2].ei_parg);
865 }
866
867 if (intr & EAP_I_DAC1) {
868 EWRITE4(sc, EAP_SIC, sic & ~EAP_P1_INTR_EN);
869 EWRITE4(sc, EAP_SIC, sic | EAP_P1_INTR_EN);
870 if (sc->sc_ei[EAP_DAC1].ei_pintr)
871 sc->sc_ei[EAP_DAC1].ei_pintr(sc->sc_ei[EAP_DAC1].ei_parg);
872 }
873
874 if (intr & EAP_I_MCCB)
875 panic("eap_intr: unexpected MCCB interrupt");
876#if NMIDI > 0
877 if (intr & EAP_I_UART) {
878 uint8_t ustat;
879 uint32_t data;
880
881 ustat = EREAD1(sc, EAP_UART_STATUS);
882
883 if (ustat & EAP_US_RXINT) {
884 while (EREAD1(sc, EAP_UART_STATUS) & EAP_US_RXRDY) {
885 data = EREAD1(sc, EAP_UART_DATA);
886 sc->sc_iintr(sc->sc_arg, data);
887 }
888 }
889
890 if (ustat & EAP_US_TXINT)
891 eap_uart_txrdy(sc);
892 }
893#endif
894 mutex_spin_exit(&sc->sc_intr_lock);
895 return 1;
896}
897
898static int
899eap_allocmem(struct eap_softc *sc, size_t size, size_t align, struct eap_dma *p)
900{
901 int error;
902
903 p->size = size;
904 error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
905 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
906 &p->nsegs, BUS_DMA_WAITOK);
907 if (error)
908 return error;
909
910 error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
911 &p->addr, BUS_DMA_WAITOK|BUS_DMA_COHERENT);
912 if (error)
913 goto free;
914
915 error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
916 0, BUS_DMA_WAITOK, &p->map);
917 if (error)
918 goto unmap;
919
920 error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
921 BUS_DMA_WAITOK);
922 if (error)
923 goto destroy;
924 return (0);
925
926destroy:
927 bus_dmamap_destroy(sc->sc_dmatag, p->map);
928unmap:
929 bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
930free:
931 bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
932 return error;
933}
934
935static int
936eap_freemem(struct eap_softc *sc, struct eap_dma *p)
937{
938
939 bus_dmamap_unload(sc->sc_dmatag, p->map);
940 bus_dmamap_destroy(sc->sc_dmatag, p->map);
941 bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
942 bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
943 return 0;
944}
945
946static int
947eap_open(void *addr, int flags)
948{
949 struct eap_instance *ei;
950
951 ei = addr;
952 /* there is only one ADC */
953 if (ei->index == EAP_I2 && flags & FREAD)
954 return EOPNOTSUPP;
955
956 return 0;
957}
958
959static int
960eap_query_encoding(void *addr, struct audio_encoding *fp)
961{
962
963 switch (fp->index) {
964 case 0:
965 strcpy(fp->name, AudioEulinear);
966 fp->encoding = AUDIO_ENCODING_ULINEAR;
967 fp->precision = 8;
968 fp->flags = 0;
969 return 0;
970 case 1:
971 strcpy(fp->name, AudioEmulaw);
972 fp->encoding = AUDIO_ENCODING_ULAW;
973 fp->precision = 8;
974 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
975 return 0;
976 case 2:
977 strcpy(fp->name, AudioEalaw);
978 fp->encoding = AUDIO_ENCODING_ALAW;
979 fp->precision = 8;
980 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
981 return 0;
982 case 3:
983 strcpy(fp->name, AudioEslinear);
984 fp->encoding = AUDIO_ENCODING_SLINEAR;
985 fp->precision = 8;
986 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
987 return 0;
988 case 4:
989 strcpy(fp->name, AudioEslinear_le);
990 fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
991 fp->precision = 16;
992 fp->flags = 0;
993 return 0;
994 case 5:
995 strcpy(fp->name, AudioEulinear_le);
996 fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
997 fp->precision = 16;
998 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
999 return 0;
1000 case 6:
1001 strcpy(fp->name, AudioEslinear_be);
1002 fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
1003 fp->precision = 16;
1004 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1005 return 0;
1006 case 7:
1007 strcpy(fp->name, AudioEulinear_be);
1008 fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
1009 fp->precision = 16;
1010 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1011 return 0;
1012 default:
1013 return EINVAL;
1014 }
1015}
1016
1017static int
1018eap_set_params(void *addr, int setmode, int usemode,
1019 audio_params_t *play, audio_params_t *rec,
1020 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
1021{
1022 struct eap_instance *ei;
1023 struct eap_softc *sc;
1024 struct audio_params *p;
1025 stream_filter_list_t *fil;
1026 int mode, i;
1027 uint32_t div;
1028
1029 ei = addr;
1030 sc = device_private(ei->parent);
1031 /*
1032 * The es1370 only has one clock, so make the sample rates match.
1033 * This only applies for ADC/DAC2. The FM DAC is handled below.
1034 */
1035 if (!sc->sc_1371 && ei->index == EAP_DAC2) {
1036 if (play->sample_rate != rec->sample_rate &&
1037 usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
1038 if (setmode == AUMODE_PLAY) {
1039 rec->sample_rate = play->sample_rate;
1040 setmode |= AUMODE_RECORD;
1041 } else if (setmode == AUMODE_RECORD) {
1042 play->sample_rate = rec->sample_rate;
1043 setmode |= AUMODE_PLAY;
1044 } else
1045 return EINVAL;
1046 }
1047 }
1048
1049 for (mode = AUMODE_RECORD; mode != -1;
1050 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
1051 if ((setmode & mode) == 0)
1052 continue;
1053
1054 p = mode == AUMODE_PLAY ? play : rec;
1055
1056 if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
1057 (p->precision != 8 && p->precision != 16) ||
1058 (p->channels != 1 && p->channels != 2))
1059 return EINVAL;
1060
1061 fil = mode == AUMODE_PLAY ? pfil : rfil;
1062 i = auconv_set_converter(eap_formats, EAP_NFORMATS,
1063 mode, p, FALSE, fil);
1064 if (i < 0)
1065 return EINVAL;
1066 }
1067
1068 if (sc->sc_1371) {
1069 eap1371_set_dac_rate(ei, play->sample_rate);
1070 eap1371_set_adc_rate(sc, rec->sample_rate);
1071 } else if (ei->index == EAP_DAC2) {
1072 /* Set the speed */
1073 DPRINTFN(2, ("eap_set_params: old ICSC = 0x%08x\n",
1074 EREAD4(sc, EAP_ICSC)));
1075 div = EREAD4(sc, EAP_ICSC) & ~EAP_PCLKBITS;
1076 /*
1077 * XXX
1078 * The -2 isn't documented, but seemed to make the wall
1079 * time match
1080 * what I expect. - mycroft
1081 */
1082 if (usemode == AUMODE_RECORD)
1083 div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ /
1084 rec->sample_rate - 2);
1085 else
1086 div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ /
1087 play->sample_rate - 2);
1088#if 0
1089 div |= EAP_CCB_INTRM;
1090#else
1091 /*
1092 * It is not obvious how to acknowledge MCCB interrupts, so
1093 * we had better not enable them.
1094 */
1095#endif
1096 EWRITE4(sc, EAP_ICSC, div);
1097 DPRINTFN(2, ("eap_set_params: set ICSC = 0x%08x\n", div));
1098 } else {
1099 /*
1100 * The FM DAC has only a few fixed-frequency choises, so
1101 * pick out the best candidate.
1102 */
1103 div = EREAD4(sc, EAP_ICSC);
1104 DPRINTFN(2, ("eap_set_params: old ICSC = 0x%08x\n", div));
1105
1106 div &= ~EAP_WTSRSEL;
1107 if (play->sample_rate < 8268)
1108 div |= EAP_WTSRSEL_5;
1109 else if (play->sample_rate < 16537)
1110 div |= EAP_WTSRSEL_11;
1111 else if (play->sample_rate < 33075)
1112 div |= EAP_WTSRSEL_22;
1113 else
1114 div |= EAP_WTSRSEL_44;
1115
1116 EWRITE4(sc, EAP_ICSC, div);
1117 DPRINTFN(2, ("eap_set_params: set ICSC = 0x%08x\n", div));
1118 }
1119
1120 return 0;
1121}
1122
1123static int
1124eap_round_blocksize(void *addr, int blk, int mode,
1125 const audio_params_t *param)
1126{
1127
1128 return blk & -32; /* keep good alignment */
1129}
1130
1131static int
1132eap_trigger_output(
1133 void *addr,
1134 void *start,
1135 void *end,
1136 int blksize,
1137 void (*intr)(void *),
1138 void *arg,
1139 const audio_params_t *param)
1140{
1141 struct eap_instance *ei;
1142 struct eap_softc *sc;
1143 struct eap_dma *p;
1144 uint32_t icsc, sic;
1145 int sampshift;
1146
1147 ei = addr;
1148 sc = device_private(ei->parent);
1149#ifdef DIAGNOSTIC
1150 if (ei->ei_prun)
1151 panic("eap_trigger_output: already running");
1152 ei->ei_prun = 1;
1153#endif
1154
1155 DPRINTFN(1, ("eap_trigger_output: sc=%p start=%p end=%p "
1156 "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1157 ei->ei_pintr = intr;
1158 ei->ei_parg = arg;
1159
1160 sic = EREAD4(sc, EAP_SIC);
1161 sic &= ~(EAP_S_EB(ei->index) | EAP_S_MB(ei->index) | EAP_INC_BITS);
1162
1163 if (ei->index == EAP_DAC2)
1164 sic |= EAP_SET_P2_ST_INC(0)
1165 | EAP_SET_P2_END_INC(param->precision / 8);
1166
1167 sampshift = 0;
1168 if (param->precision == 16) {
1169 sic |= EAP_S_EB(ei->index);
1170 sampshift++;
1171 }
1172 if (param->channels == 2) {
1173 sic |= EAP_S_MB(ei->index);
1174 sampshift++;
1175 }
1176 EWRITE4(sc, EAP_SIC, sic & ~EAP_P_INTR_EN(ei->index));
1177 EWRITE4(sc, EAP_SIC, sic | EAP_P_INTR_EN(ei->index));
1178
1179 for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1180 continue;
1181 if (!p) {
1182 printf("eap_trigger_output: bad addr %p\n", start);
1183 return EINVAL;
1184 }
1185
1186 if (ei->index == EAP_DAC2) {
1187 DPRINTF(("eap_trigger_output: DAC2_ADDR=0x%x, DAC2_SIZE=0x%x\n",
1188 (int)DMAADDR(p),
1189 (int)EAP_SET_SIZE(0,
1190 (((char *)end - (char *)start) >> 2) - 1)));
1191 EWRITE4(sc, EAP_MEMPAGE, EAP_DAC_PAGE);
1192 EWRITE4(sc, EAP_DAC2_ADDR, DMAADDR(p));
1193 EWRITE4(sc, EAP_DAC2_SIZE,
1194 EAP_SET_SIZE(0,
1195 ((char *)end - (char *)start) >> 2) - 1);
1196 EWRITE4(sc, EAP_DAC2_CSR, (blksize >> sampshift) - 1);
1197 } else if (ei->index == EAP_DAC1) {
1198 DPRINTF(("eap_trigger_output: DAC1_ADDR=0x%x, DAC1_SIZE=0x%x\n",
1199 (int)DMAADDR(p),
1200 (int)EAP_SET_SIZE(0,
1201 (((char *)end - (char *)start) >> 2) - 1)));
1202 EWRITE4(sc, EAP_MEMPAGE, EAP_DAC_PAGE);
1203 EWRITE4(sc, EAP_DAC1_ADDR, DMAADDR(p));
1204 EWRITE4(sc, EAP_DAC1_SIZE,
1205 EAP_SET_SIZE(0,
1206 ((char *)end - (char *)start) >> 2) - 1);
1207 EWRITE4(sc, EAP_DAC1_CSR, (blksize >> sampshift) - 1);
1208 }
1209#ifdef DIAGNOSTIC
1210 else
1211 panic("eap_trigger_output: impossible instance %d", ei->index);
1212#endif
1213
1214 if (sc->sc_1371)
1215 EWRITE4(sc, E1371_SRC, 0);
1216
1217 icsc = EREAD4(sc, EAP_ICSC);
1218 icsc |= EAP_DAC_EN(ei->index);
1219 EWRITE4(sc, EAP_ICSC, icsc);
1220
1221 DPRINTFN(1, ("eap_trigger_output: set ICSC = 0x%08x\n", icsc));
1222
1223 return 0;
1224}
1225
1226static int
1227eap_trigger_input(
1228 void *addr,
1229 void *start,
1230 void *end,
1231 int blksize,
1232 void (*intr)(void *),
1233 void *arg,
1234 const audio_params_t *param)
1235{
1236 struct eap_instance *ei;
1237 struct eap_softc *sc;
1238 struct eap_dma *p;
1239 uint32_t icsc, sic;
1240 int sampshift;
1241
1242 ei = addr;
1243 sc = device_private(ei->parent);
1244#ifdef DIAGNOSTIC
1245 if (sc->sc_rrun)
1246 panic("eap_trigger_input: already running");
1247 sc->sc_rrun = 1;
1248#endif
1249
1250 DPRINTFN(1, ("eap_trigger_input: ei=%p start=%p end=%p blksize=%d intr=%p(%p)\n",
1251 addr, start, end, blksize, intr, arg));
1252 sc->sc_rintr = intr;
1253 sc->sc_rarg = arg;
1254
1255 sic = EREAD4(sc, EAP_SIC);
1256 sic &= ~(EAP_R1_S_EB | EAP_R1_S_MB);
1257 sampshift = 0;
1258 if (param->precision == 16) {
1259 sic |= EAP_R1_S_EB;
1260 sampshift++;
1261 }
1262 if (param->channels == 2) {
1263 sic |= EAP_R1_S_MB;
1264 sampshift++;
1265 }
1266 EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
1267 EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
1268
1269 for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1270 continue;
1271 if (!p) {
1272 printf("eap_trigger_input: bad addr %p\n", start);
1273 return (EINVAL);
1274 }
1275
1276 DPRINTF(("eap_trigger_input: ADC_ADDR=0x%x, ADC_SIZE=0x%x\n",
1277 (int)DMAADDR(p),
1278 (int)EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1)));
1279 EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
1280 EWRITE4(sc, EAP_ADC_ADDR, DMAADDR(p));
1281 EWRITE4(sc, EAP_ADC_SIZE,
1282 EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1));
1283
1284 EWRITE4(sc, EAP_ADC_CSR, (blksize >> sampshift) - 1);
1285
1286 if (sc->sc_1371)
1287 EWRITE4(sc, E1371_SRC, 0);
1288
1289 icsc = EREAD4(sc, EAP_ICSC);
1290 icsc |= EAP_ADC_EN;
1291 EWRITE4(sc, EAP_ICSC, icsc);
1292
1293 DPRINTFN(1, ("eap_trigger_input: set ICSC = 0x%08x\n", icsc));
1294
1295 return 0;
1296}
1297
1298static int
1299eap_halt_output(void *addr)
1300{
1301 struct eap_instance *ei;
1302 struct eap_softc *sc;
1303 uint32_t icsc;
1304
1305 DPRINTF(("eap: eap_halt_output\n"));
1306 ei = addr;
1307 sc = device_private(ei->parent);
1308 icsc = EREAD4(sc, EAP_ICSC);
1309 EWRITE4(sc, EAP_ICSC, icsc & ~(EAP_DAC_EN(ei->index)));
1310 ei->ei_pintr = 0;
1311#ifdef DIAGNOSTIC
1312 ei->ei_prun = 0;
1313#endif
1314
1315 return 0;
1316}
1317
1318static int
1319eap_halt_input(void *addr)
1320{
1321 struct eap_instance *ei;
1322 struct eap_softc *sc;
1323 uint32_t icsc;
1324
1325#define EAP_USE_FMDAC_ALSO
1326 DPRINTF(("eap: eap_halt_input\n"));
1327 ei = addr;
1328 sc = device_private(ei->parent);
1329 icsc = EREAD4(sc, EAP_ICSC);
1330 EWRITE4(sc, EAP_ICSC, icsc & ~EAP_ADC_EN);
1331 sc->sc_rintr = 0;
1332#ifdef DIAGNOSTIC
1333 sc->sc_rrun = 0;
1334#endif
1335
1336 return 0;
1337}
1338
1339static int
1340eap_getdev(void *addr, struct audio_device *retp)
1341{
1342
1343 *retp = eap_device;
1344 return 0;
1345}
1346
1347static int
1348eap1371_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1349{
1350 struct eap_instance *ei;
1351 struct eap_softc *sc;
1352
1353 ei = addr;
1354 sc = device_private(ei->parent);
1355 return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
1356}
1357
1358static int
1359eap1371_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1360{
1361 struct eap_instance *ei;
1362 struct eap_softc *sc;
1363
1364 ei = addr;
1365 sc = device_private(ei->parent);
1366 return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
1367}
1368
1369static int
1370eap1371_query_devinfo(void *addr, mixer_devinfo_t *dip)
1371{
1372 struct eap_instance *ei;
1373 struct eap_softc *sc;
1374
1375 ei = addr;
1376 sc = device_private(ei->parent);
1377 return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
1378}
1379
1380static void
1381eap1370_set_mixer(struct eap_softc *sc, int a, int d)
1382{
1383 eap1370_write_codec(sc, a, d);
1384
1385 sc->sc_port[a] = d;
1386 DPRINTFN(1, ("eap1370_mixer_set_port port 0x%02x = 0x%02x\n", a, d));
1387}
1388
1389static int
1390eap1370_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1391{
1392 struct eap_instance *ei;
1393 struct eap_softc *sc;
1394 int lval, rval, l, r, la, ra;
1395 int l1, r1, l2, r2, m, o1, o2;
1396
1397 ei = addr;
1398 sc = device_private(ei->parent);
1399 if (cp->dev == EAP_RECORD_SOURCE) {
1400 if (cp->type != AUDIO_MIXER_SET)
1401 return EINVAL;
1402 m = sc->sc_record_source = cp->un.mask;
1403 l1 = l2 = r1 = r2 = 0;
1404 if (m & (1 << EAP_VOICE_VOL))
1405 l2 |= AK_M_VOICE, r2 |= AK_M_VOICE;
1406 if (m & (1 << EAP_FM_VOL))
1407 l1 |= AK_M_FM_L, r1 |= AK_M_FM_R;
1408 if (m & (1 << EAP_CD_VOL))
1409 l1 |= AK_M_CD_L, r1 |= AK_M_CD_R;
1410 if (m & (1 << EAP_LINE_VOL))
1411 l1 |= AK_M_LINE_L, r1 |= AK_M_LINE_R;
1412 if (m & (1 << EAP_AUX_VOL))
1413 l2 |= AK_M2_AUX_L, r2 |= AK_M2_AUX_R;
1414 if (m & (1 << EAP_MIC_VOL))
1415 l2 |= AK_M_TMIC, r2 |= AK_M_TMIC;
1416 eap1370_set_mixer(sc, AK_IN_MIXER1_L, l1);
1417 eap1370_set_mixer(sc, AK_IN_MIXER1_R, r1);
1418 eap1370_set_mixer(sc, AK_IN_MIXER2_L, l2);
1419 eap1370_set_mixer(sc, AK_IN_MIXER2_R, r2);
1420 return 0;
1421 }
1422 if (cp->dev == EAP_INPUT_SOURCE) {
1423 if (cp->type != AUDIO_MIXER_SET)
1424 return EINVAL;
1425 m = sc->sc_input_source = cp->un.mask;
1426 o1 = o2 = 0;
1427 if (m & (1 << EAP_VOICE_VOL))
1428 o2 |= AK_M_VOICE_L | AK_M_VOICE_R;
1429 if (m & (1 << EAP_FM_VOL))
1430 o1 |= AK_M_FM_L | AK_M_FM_R;
1431 if (m & (1 << EAP_CD_VOL))
1432 o1 |= AK_M_CD_L | AK_M_CD_R;
1433 if (m & (1 << EAP_LINE_VOL))
1434 o1 |= AK_M_LINE_L | AK_M_LINE_R;
1435 if (m & (1 << EAP_AUX_VOL))
1436 o2 |= AK_M_AUX_L | AK_M_AUX_R;
1437 if (m & (1 << EAP_MIC_VOL))
1438 o1 |= AK_M_MIC;
1439 eap1370_set_mixer(sc, AK_OUT_MIXER1, o1);
1440 eap1370_set_mixer(sc, AK_OUT_MIXER2, o2);
1441 return 0;
1442 }
1443 if (cp->dev == EAP_MIC_PREAMP) {
1444 if (cp->type != AUDIO_MIXER_ENUM)
1445 return EINVAL;
1446 if (cp->un.ord != 0 && cp->un.ord != 1)
1447 return EINVAL;
1448 sc->sc_mic_preamp = cp->un.ord;
1449 eap1370_set_mixer(sc, AK_MGAIN, cp->un.ord);
1450 return 0;
1451 }
1452 if (cp->type != AUDIO_MIXER_VALUE)
1453 return EINVAL;
1454 if (cp->un.value.num_channels == 1)
1455 lval = rval = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
1456 else if (cp->un.value.num_channels == 2) {
1457 lval = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
1458 rval = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
1459 } else
1460 return EINVAL;
1461 ra = -1;
1462 switch (cp->dev) {
1463 case EAP_MASTER_VOL:
1464 l = VOL_TO_ATT5(lval);
1465 r = VOL_TO_ATT5(rval);
1466 la = AK_MASTER_L;
1467 ra = AK_MASTER_R;
1468 break;
1469 case EAP_MIC_VOL:
1470 if (cp->un.value.num_channels != 1)
1471 return EINVAL;
1472 la = AK_MIC;
1473 goto lr;
1474 case EAP_VOICE_VOL:
1475 la = AK_VOICE_L;
1476 ra = AK_VOICE_R;
1477 goto lr;
1478 case EAP_FM_VOL:
1479 la = AK_FM_L;
1480 ra = AK_FM_R;
1481 goto lr;
1482 case EAP_CD_VOL:
1483 la = AK_CD_L;
1484 ra = AK_CD_R;
1485 goto lr;
1486 case EAP_LINE_VOL:
1487 la = AK_LINE_L;
1488 ra = AK_LINE_R;
1489 goto lr;
1490 case EAP_AUX_VOL:
1491 la = AK_AUX_L;
1492 ra = AK_AUX_R;
1493 lr:
1494 l = VOL_TO_GAIN5(lval);
1495 r = VOL_TO_GAIN5(rval);
1496 break;
1497 default:
1498 return EINVAL;
1499 }
1500 eap1370_set_mixer(sc, la, l);
1501 if (ra >= 0) {
1502 eap1370_set_mixer(sc, ra, r);
1503 }
1504 return 0;
1505}
1506
1507static int
1508eap1370_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1509{
1510 struct eap_instance *ei;
1511 struct eap_softc *sc;
1512 int la, ra, l, r;
1513
1514 ei = addr;
1515 sc = device_private(ei->parent);
1516 switch (cp->dev) {
1517 case EAP_RECORD_SOURCE:
1518 if (cp->type != AUDIO_MIXER_SET)
1519 return EINVAL;
1520 cp->un.mask = sc->sc_record_source;
1521 return 0;
1522 case EAP_INPUT_SOURCE:
1523 if (cp->type != AUDIO_MIXER_SET)
1524 return EINVAL;
1525 cp->un.mask = sc->sc_input_source;
1526 return 0;
1527 case EAP_MIC_PREAMP:
1528 if (cp->type != AUDIO_MIXER_ENUM)
1529 return EINVAL;
1530 cp->un.ord = sc->sc_mic_preamp;
1531 return 0;
1532 case EAP_MASTER_VOL:
1533 l = ATT5_TO_VOL(sc->sc_port[AK_MASTER_L]);
1534 r = ATT5_TO_VOL(sc->sc_port[AK_MASTER_R]);
1535 break;
1536 case EAP_MIC_VOL:
1537 if (cp->un.value.num_channels != 1)
1538 return EINVAL;
1539 la = ra = AK_MIC;
1540 goto lr;
1541 case EAP_VOICE_VOL:
1542 la = AK_VOICE_L;
1543 ra = AK_VOICE_R;
1544 goto lr;
1545 case EAP_FM_VOL:
1546 la = AK_FM_L;
1547 ra = AK_FM_R;
1548 goto lr;
1549 case EAP_CD_VOL:
1550 la = AK_CD_L;
1551 ra = AK_CD_R;
1552 goto lr;
1553 case EAP_LINE_VOL:
1554 la = AK_LINE_L;
1555 ra = AK_LINE_R;
1556 goto lr;
1557 case EAP_AUX_VOL:
1558 la = AK_AUX_L;
1559 ra = AK_AUX_R;
1560 lr:
1561 l = GAIN5_TO_VOL(sc->sc_port[la]);
1562 r = GAIN5_TO_VOL(sc->sc_port[ra]);
1563 break;
1564 default:
1565 return EINVAL;
1566 }
1567 if (cp->un.value.num_channels == 1)
1568 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = (l+r) / 2;
1569 else if (cp->un.value.num_channels == 2) {
1570 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
1571 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
1572 } else
1573 return EINVAL;
1574 return 0;
1575}
1576
1577static int
1578eap1370_query_devinfo(void *addr, mixer_devinfo_t *dip)
1579{
1580
1581 switch (dip->index) {
1582 case EAP_MASTER_VOL:
1583 dip->type = AUDIO_MIXER_VALUE;
1584 dip->mixer_class = EAP_OUTPUT_CLASS;
1585 dip->prev = dip->next = AUDIO_MIXER_LAST;
1586 strcpy(dip->label.name, AudioNmaster);
1587 dip->un.v.num_channels = 2;
1588 dip->un.v.delta = 8;
1589 strcpy(dip->un.v.units.name, AudioNvolume);
1590 return 0;
1591 case EAP_VOICE_VOL:
1592 dip->type = AUDIO_MIXER_VALUE;
1593 dip->mixer_class = EAP_INPUT_CLASS;
1594 dip->prev = AUDIO_MIXER_LAST;
1595 dip->next = AUDIO_MIXER_LAST;
1596 strcpy(dip->label.name, AudioNdac);
1597 dip->un.v.num_channels = 2;
1598 dip->un.v.delta = 8;
1599 strcpy(dip->un.v.units.name, AudioNvolume);
1600 return 0;
1601 case EAP_FM_VOL:
1602 dip->type = AUDIO_MIXER_VALUE;
1603 dip->mixer_class = EAP_INPUT_CLASS;
1604 dip->prev = AUDIO_MIXER_LAST;
1605 dip->next = AUDIO_MIXER_LAST;
1606 strcpy(dip->label.name, AudioNfmsynth);
1607 dip->un.v.num_channels = 2;
1608 dip->un.v.delta = 8;
1609 strcpy(dip->un.v.units.name, AudioNvolume);
1610 return 0;
1611 case EAP_CD_VOL:
1612 dip->type = AUDIO_MIXER_VALUE;
1613 dip->mixer_class = EAP_INPUT_CLASS;
1614 dip->prev = AUDIO_MIXER_LAST;
1615 dip->next = AUDIO_MIXER_LAST;
1616 strcpy(dip->label.name, AudioNcd);
1617 dip->un.v.num_channels = 2;
1618 dip->un.v.delta = 8;
1619 strcpy(dip->un.v.units.name, AudioNvolume);
1620 return 0;
1621 case EAP_LINE_VOL:
1622 dip->type = AUDIO_MIXER_VALUE;
1623 dip->mixer_class = EAP_INPUT_CLASS;
1624 dip->prev = AUDIO_MIXER_LAST;
1625 dip->next = AUDIO_MIXER_LAST;
1626 strcpy(dip->label.name, AudioNline);
1627 dip->un.v.num_channels = 2;
1628 dip->un.v.delta = 8;
1629 strcpy(dip->un.v.units.name, AudioNvolume);
1630 return 0;
1631 case EAP_AUX_VOL:
1632 dip->type = AUDIO_MIXER_VALUE;
1633 dip->mixer_class = EAP_INPUT_CLASS;
1634 dip->prev = AUDIO_MIXER_LAST;
1635 dip->next = AUDIO_MIXER_LAST;
1636 strcpy(dip->label.name, AudioNaux);
1637 dip->un.v.num_channels = 2;
1638 dip->un.v.delta = 8;
1639 strcpy(dip->un.v.units.name, AudioNvolume);
1640 return 0;
1641 case EAP_MIC_VOL:
1642 dip->type = AUDIO_MIXER_VALUE;
1643 dip->mixer_class = EAP_INPUT_CLASS;
1644 dip->prev = AUDIO_MIXER_LAST;
1645 dip->next = EAP_MIC_PREAMP;
1646 strcpy(dip->label.name, AudioNmicrophone);
1647 dip->un.v.num_channels = 1;
1648 dip->un.v.delta = 8;
1649 strcpy(dip->un.v.units.name, AudioNvolume);
1650 return 0;
1651 case EAP_RECORD_SOURCE:
1652 dip->mixer_class = EAP_RECORD_CLASS;
1653 dip->prev = dip->next = AUDIO_MIXER_LAST;
1654 strcpy(dip->label.name, AudioNsource);
1655 dip->type = AUDIO_MIXER_SET;
1656 dip->un.s.num_mem = 6;
1657 strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1658 dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1659 strcpy(dip->un.s.member[1].label.name, AudioNcd);
1660 dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1661 strcpy(dip->un.s.member[2].label.name, AudioNline);
1662 dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1663 strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1664 dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1665 strcpy(dip->un.s.member[4].label.name, AudioNaux);
1666 dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1667 strcpy(dip->un.s.member[5].label.name, AudioNdac);
1668 dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1669 return 0;
1670 case EAP_INPUT_SOURCE:
1671 dip->mixer_class = EAP_INPUT_CLASS;
1672 dip->prev = dip->next = AUDIO_MIXER_LAST;
1673 strcpy(dip->label.name, AudioNsource);
1674 dip->type = AUDIO_MIXER_SET;
1675 dip->un.s.num_mem = 6;
1676 strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1677 dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1678 strcpy(dip->un.s.member[1].label.name, AudioNcd);
1679 dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1680 strcpy(dip->un.s.member[2].label.name, AudioNline);
1681 dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1682 strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1683 dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1684 strcpy(dip->un.s.member[4].label.name, AudioNaux);
1685 dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1686 strcpy(dip->un.s.member[5].label.name, AudioNdac);
1687 dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1688 return 0;
1689 case EAP_MIC_PREAMP:
1690 dip->type = AUDIO_MIXER_ENUM;
1691 dip->mixer_class = EAP_INPUT_CLASS;
1692 dip->prev = EAP_MIC_VOL;
1693 dip->next = AUDIO_MIXER_LAST;
1694 strcpy(dip->label.name, AudioNpreamp);
1695 dip->un.e.num_mem = 2;
1696 strcpy(dip->un.e.member[0].label.name, AudioNoff);
1697 dip->un.e.member[0].ord = 0;
1698 strcpy(dip->un.e.member[1].label.name, AudioNon);
1699 dip->un.e.member[1].ord = 1;
1700 return 0;
1701 case EAP_OUTPUT_CLASS:
1702 dip->type = AUDIO_MIXER_CLASS;
1703 dip->mixer_class = EAP_OUTPUT_CLASS;
1704 dip->next = dip->prev = AUDIO_MIXER_LAST;
1705 strcpy(dip->label.name, AudioCoutputs);
1706 return 0;
1707 case EAP_RECORD_CLASS:
1708 dip->type = AUDIO_MIXER_CLASS;
1709 dip->mixer_class = EAP_RECORD_CLASS;
1710 dip->next = dip->prev = AUDIO_MIXER_LAST;
1711 strcpy(dip->label.name, AudioCrecord);
1712 return 0;
1713 case EAP_INPUT_CLASS:
1714 dip->type = AUDIO_MIXER_CLASS;
1715 dip->mixer_class = EAP_INPUT_CLASS;
1716 dip->next = dip->prev = AUDIO_MIXER_LAST;
1717 strcpy(dip->label.name, AudioCinputs);
1718 return 0;
1719 }
1720 return ENXIO;
1721}
1722
1723static void *
1724eap_malloc(void *addr, int direction, size_t size)
1725{
1726 struct eap_instance *ei;
1727 struct eap_softc *sc;
1728 struct eap_dma *p;
1729 int error;
1730
1731 p = kmem_alloc(sizeof(*p), KM_SLEEP);
1732 if (!p)
1733 return NULL;
1734 ei = addr;
1735 sc = device_private(ei->parent);
1736 error = eap_allocmem(sc, size, 16, p);
1737 if (error) {
1738 kmem_free(p, sizeof(*p));
1739 return NULL;
1740 }
1741 p->next = sc->sc_dmas;
1742 sc->sc_dmas = p;
1743 return KERNADDR(p);
1744}
1745
1746static void
1747eap_free(void *addr, void *ptr, size_t size)
1748{
1749 struct eap_instance *ei;
1750 struct eap_softc *sc;
1751 struct eap_dma **pp, *p;
1752
1753 ei = addr;
1754 sc = device_private(ei->parent);
1755 for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1756 if (KERNADDR(p) == ptr) {
1757 eap_freemem(sc, p);
1758 *pp = p->next;
1759 kmem_free(p, sizeof(*p));
1760 return;
1761 }
1762 }
1763}
1764
1765static size_t
1766eap_round_buffersize(void *addr, int direction, size_t size)
1767{
1768
1769 return size;
1770}
1771
1772static paddr_t
1773eap_mappage(void *addr, void *mem, off_t off, int prot)
1774{
1775 struct eap_instance *ei;
1776 struct eap_softc *sc;
1777 struct eap_dma *p;
1778
1779 if (off < 0)
1780 return -1;
1781 ei = addr;
1782 sc = device_private(ei->parent);
1783 for (p = sc->sc_dmas; p && KERNADDR(p) != mem; p = p->next)
1784 continue;
1785 if (!p)
1786 return -1;
1787
1788 return bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
1789 off, prot, BUS_DMA_WAITOK);
1790}
1791
1792static int
1793eap_get_props(void *addr)
1794{
1795
1796 return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
1797 AUDIO_PROP_FULLDUPLEX;
1798}
1799
1800static void
1801eap_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
1802{
1803 struct eap_instance *ei;
1804 struct eap_softc *sc;
1805
1806 ei = addr;
1807 sc = device_private(ei->parent);
1808 *intr = &sc->sc_intr_lock;
1809 *thread = &sc->sc_lock;
1810}
1811
1812#if NMIDI > 0
1813static int
1814eap_midi_open(void *addr, int flags,
1815 void (*iintr)(void *, int),
1816 void (*ointr)(void *),
1817 void *arg)
1818{
1819 struct eap_softc *sc;
1820 uint8_t uctrl;
1821
1822 sc = addr;
1823 sc->sc_arg = arg;
1824
1825 EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) | EAP_UART_EN);
1826 uctrl = 0;
1827 if (flags & FREAD) {
1828 uctrl |= EAP_UC_RXINTEN;
1829 sc->sc_iintr = iintr;
1830 }
1831 if (flags & FWRITE)
1832 sc->sc_ointr = ointr;
1833 EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1834
1835 return 0;
1836}
1837
1838static void
1839eap_midi_close(void *addr)
1840{
1841 struct eap_softc *sc;
1842
1843 sc = addr;
1844 /* give uart a chance to drain */
1845 (void)kpause("eapclm", false, hz/10, &sc->sc_intr_lock);
1846 EWRITE1(sc, EAP_UART_CONTROL, 0);
1847 EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) & ~EAP_UART_EN);
1848
1849 sc->sc_iintr = 0;
1850 sc->sc_ointr = 0;
1851}
1852
1853static int
1854eap_midi_output(void *addr, int d)
1855{
1856 struct eap_softc *sc;
1857 uint8_t uctrl;
1858
1859 sc = addr;
1860 EWRITE1(sc, EAP_UART_DATA, d);
1861
1862 uctrl = EAP_UC_TXINTEN;
1863 if (sc->sc_iintr)
1864 uctrl |= EAP_UC_RXINTEN;
1865 /*
1866 * This is a write-only register, so we have to remember the right
1867 * value of RXINTEN as well as setting TXINTEN. But if we are open
1868 * for reading, it will always be correct to set RXINTEN here; only
1869 * during service of a receive interrupt could it be momentarily
1870 * toggled off, and whether we got here from the top half or from
1871 * an interrupt, that won't be the current state.
1872 */
1873 EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1874 return 0;
1875}
1876
1877static void
1878eap_midi_getinfo(void *addr, struct midi_info *mi)
1879{
1880 mi->name = "AudioPCI MIDI UART";
1881 mi->props = MIDI_PROP_CAN_INPUT | MIDI_PROP_OUT_INTR;
1882}
1883
1884static void
1885eap_uart_txrdy(struct eap_softc *sc)
1886{
1887 uint8_t uctrl;
1888 uctrl = 0;
1889 if (sc->sc_iintr)
1890 uctrl = EAP_UC_RXINTEN;
1891 EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1892 sc->sc_ointr(sc->sc_arg);
1893}
1894
1895#endif
1896