eap.c revision 1.99.2.2 1 /* $NetBSD: eap.c,v 1.99.2.2 2019/04/21 07:55:25 isaki 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 (at) NetBSD.org>, Charles M. Hannum,
10 * Antti Kantee <pooka (at) 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 (at) araneus.fi>
36 * Testing: Chuck Cranor <chuck (at) maria.wustl.edu>
37 * Phil Nelson <phil (at) cs.wwu.edu>
38 *
39 * ES1371/AC97: Ezra Story <ezy (at) 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 1.99.2.2 2019/04/21 07:55:25 isaki 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/auconv.h>
73 #include <dev/midi_if.h>
74
75 #include <dev/pci/pcidevs.h>
76 #include <dev/pci/eapreg.h>
77 #include <dev/pci/eapvar.h>
78
79 #define PCI_CBIO 0x10
80
81 /* Debug */
82 #ifdef AUDIO_DEBUG
83 #define DPRINTF(x) if (eapdebug) printf x
84 #define DPRINTFN(n,x) if (eapdebug>(n)) printf x
85 int eapdebug = 0;
86 #else
87 #define DPRINTF(x)
88 #define DPRINTFN(n,x)
89 #endif
90
91 static int eap_match(device_t, cfdata_t, void *);
92 static void eap_attach(device_t, device_t, void *);
93 static int eap_detach(device_t, int);
94 static int eap_intr(void *);
95
96 static int eap_allocmem(struct eap_softc *, size_t, size_t,
97 struct eap_dma *);
98 static int eap_freemem(struct eap_softc *, struct eap_dma *);
99
100 #define EWRITE1(sc, r, x) bus_space_write_1((sc)->iot, (sc)->ioh, (r), (x))
101 #define EWRITE2(sc, r, x) bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x))
102 #define EWRITE4(sc, r, x) bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x))
103 #define EREAD1(sc, r) bus_space_read_1((sc)->iot, (sc)->ioh, (r))
104 #define EREAD2(sc, r) bus_space_read_2((sc)->iot, (sc)->ioh, (r))
105 #define EREAD4(sc, r) bus_space_read_4((sc)->iot, (sc)->ioh, (r))
106
107 CFATTACH_DECL_NEW(eap, sizeof(struct eap_softc),
108 eap_match, eap_attach, eap_detach, NULL);
109
110 static int eap_open(void *, int);
111 static int eap_query_format(void *, struct audio_format_query *);
112 static int eap_set_params(void *, int, int, audio_params_t *,
113 audio_params_t *, stream_filter_list_t *,
114 stream_filter_list_t *);
115 static int eap_trigger_output(void *, void *, void *, int,
116 void (*)(void *), void *,
117 const audio_params_t *);
118 static int eap_trigger_input(void *, void *, void *, int,
119 void (*)(void *), void *,
120 const audio_params_t *);
121 static int eap_halt_output(void *);
122 static int eap_halt_input(void *);
123 static void eap1370_write_codec(struct eap_softc *, int, int);
124 static int eap_getdev(void *, struct audio_device *);
125 static int eap1370_mixer_set_port(void *, mixer_ctrl_t *);
126 static int eap1370_mixer_get_port(void *, mixer_ctrl_t *);
127 static int eap1371_mixer_set_port(void *, mixer_ctrl_t *);
128 static int eap1371_mixer_get_port(void *, mixer_ctrl_t *);
129 static int eap1370_query_devinfo(void *, mixer_devinfo_t *);
130 static void *eap_malloc(void *, int, size_t);
131 static void eap_free(void *, void *, size_t);
132 static size_t eap_round_buffersize(void *, int, size_t);
133 static int eap_get_props(void *);
134 static void eap1370_set_mixer(struct eap_softc *, int, int);
135 static uint32_t eap1371_src_wait(struct eap_softc *);
136 static void eap1371_set_adc_rate(struct eap_softc *, int);
137 static void eap1371_set_dac_rate(struct eap_instance *, int);
138 static int eap1371_src_read(struct eap_softc *, int);
139 static void eap1371_src_write(struct eap_softc *, int, int);
140 static int eap1371_query_devinfo(void *, mixer_devinfo_t *);
141
142 static int eap1371_attach_codec(void *, struct ac97_codec_if *);
143 static int eap1371_read_codec(void *, uint8_t, uint16_t *);
144 static int eap1371_write_codec(void *, uint8_t, uint16_t );
145 static int eap1371_reset_codec(void *);
146 static void eap_get_locks(void *, kmutex_t **, kmutex_t **);
147
148 #if NMIDI > 0
149 static void eap_midi_close(void *);
150 static void eap_midi_getinfo(void *, struct midi_info *);
151 static int eap_midi_open(void *, int, void (*)(void *, int),
152 void (*)(void *), void *);
153 static int eap_midi_output(void *, int);
154 static void eap_uart_txrdy(struct eap_softc *);
155 #endif
156
157 static const struct audio_hw_if eap1370_hw_if = {
158 .open = eap_open,
159 .query_format = eap_query_format,
160 .set_params = eap_set_params,
161 .halt_output = eap_halt_output,
162 .halt_input = eap_halt_input,
163 .getdev = eap_getdev,
164 .set_port = eap1370_mixer_set_port,
165 .get_port = eap1370_mixer_get_port,
166 .query_devinfo = eap1370_query_devinfo,
167 .allocm = eap_malloc,
168 .freem = eap_free,
169 .round_buffersize = eap_round_buffersize,
170 .get_props = eap_get_props,
171 .trigger_output = eap_trigger_output,
172 .trigger_input = eap_trigger_input,
173 .get_locks = eap_get_locks,
174 };
175
176 static const struct audio_hw_if eap1371_hw_if = {
177 .open = eap_open,
178 .query_format = eap_query_format,
179 .set_params = eap_set_params,
180 .halt_output = eap_halt_output,
181 .halt_input = eap_halt_input,
182 .getdev = eap_getdev,
183 .set_port = eap1371_mixer_set_port,
184 .get_port = eap1371_mixer_get_port,
185 .query_devinfo = eap1371_query_devinfo,
186 .allocm = eap_malloc,
187 .freem = eap_free,
188 .round_buffersize = eap_round_buffersize,
189 .get_props = eap_get_props,
190 .trigger_output = eap_trigger_output,
191 .trigger_input = eap_trigger_input,
192 .get_locks = eap_get_locks,
193 };
194
195 #if NMIDI > 0
196 static const struct midi_hw_if eap_midi_hw_if = {
197 eap_midi_open,
198 eap_midi_close,
199 eap_midi_output,
200 eap_midi_getinfo,
201 0, /* ioctl */
202 eap_get_locks,
203 };
204 #endif
205
206 static struct audio_device eap_device = {
207 "Ensoniq AudioPCI",
208 "",
209 "eap"
210 };
211
212 #define EAP_NFORMATS 4
213 #define EAP_FORMAT(enc, prec, ch, chmask) \
214 { \
215 .mode = AUMODE_PLAY | AUMODE_RECORD, \
216 .encoding = (enc), \
217 .validbits = (prec), \
218 .precision = (prec), \
219 .channels = (ch), \
220 .channel_mask = (chmask), \
221 .frequency_type = 0, \
222 .frequency = { 4000, 48000 }, \
223 }
224 static const struct audio_format eap_formats[EAP_NFORMATS] = {
225 EAP_FORMAT(AUDIO_ENCODING_SLINEAR_LE, 16, 2, AUFMT_STEREO),
226 EAP_FORMAT(AUDIO_ENCODING_SLINEAR_LE, 16, 1, AUFMT_MONAURAL),
227 EAP_FORMAT(AUDIO_ENCODING_ULINEAR_LE, 8, 2, AUFMT_STEREO),
228 EAP_FORMAT(AUDIO_ENCODING_ULINEAR_LE, 8, 1, AUFMT_MONAURAL),
229 };
230
231 static int
232 eap_match(device_t parent, cfdata_t match, void *aux)
233 {
234 struct pci_attach_args *pa;
235
236 pa = (struct pci_attach_args *)aux;
237 switch (PCI_VENDOR(pa->pa_id)) {
238 case PCI_VENDOR_CREATIVELABS:
239 switch (PCI_PRODUCT(pa->pa_id)) {
240 case PCI_PRODUCT_CREATIVELABS_EV1938:
241 return 1;
242 }
243 break;
244 case PCI_VENDOR_ENSONIQ:
245 switch (PCI_PRODUCT(pa->pa_id)) {
246 case PCI_PRODUCT_ENSONIQ_AUDIOPCI:
247 case PCI_PRODUCT_ENSONIQ_AUDIOPCI97:
248 case PCI_PRODUCT_ENSONIQ_CT5880:
249 return 1;
250 }
251 break;
252 }
253
254 return 0;
255 }
256
257 static void
258 eap1370_write_codec(struct eap_softc *sc, int a, int d)
259 {
260 int icss, to;
261
262 to = EAP_WRITE_TIMEOUT;
263 do {
264 icss = EREAD4(sc, EAP_ICSS);
265 DPRINTFN(5,("eap: codec %d prog: icss=0x%08x\n", a, icss));
266 if (!to--) {
267 printf("eap: timeout writing to codec\n");
268 return;
269 }
270 } while(icss & EAP_CWRIP); /* XXX could use CSTAT here */
271 EWRITE4(sc, EAP_CODEC, EAP_SET_CODEC(a, d));
272 }
273
274 /*
275 * Reading and writing the CODEC is very convoluted. This mimics the
276 * FreeBSD and Linux drivers.
277 */
278
279 static inline void
280 eap1371_ready_codec(struct eap_softc *sc, uint8_t a, uint32_t wd)
281 {
282 int to;
283 uint32_t src, t;
284
285 for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
286 if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
287 break;
288 delay(1);
289 }
290 if (to >= EAP_WRITE_TIMEOUT)
291 aprint_error_dev(sc->sc_dev,
292 "eap1371_ready_codec timeout 1\n");
293
294 mutex_spin_enter(&sc->sc_intr_lock);
295 src = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
296 EWRITE4(sc, E1371_SRC, src | E1371_SRC_STATE_OK);
297
298 for (to = 0; to < EAP_READ_TIMEOUT; to++) {
299 t = EREAD4(sc, E1371_SRC);
300 if ((t & E1371_SRC_STATE_MASK) == 0)
301 break;
302 delay(1);
303 }
304 if (to >= EAP_READ_TIMEOUT)
305 aprint_error_dev(sc->sc_dev,
306 "eap1371_ready_codec timeout 2\n");
307
308 for (to = 0; to < EAP_READ_TIMEOUT; to++) {
309 t = EREAD4(sc, E1371_SRC);
310 if ((t & E1371_SRC_STATE_MASK) == E1371_SRC_STATE_OK)
311 break;
312 delay(1);
313 }
314 if (to >= EAP_READ_TIMEOUT)
315 aprint_error_dev(sc->sc_dev,
316 "eap1371_ready_codec timeout 3\n");
317
318 EWRITE4(sc, E1371_CODEC, wd);
319
320 eap1371_src_wait(sc);
321 EWRITE4(sc, E1371_SRC, src);
322
323 mutex_spin_exit(&sc->sc_intr_lock);
324 }
325
326 static int
327 eap1371_read_codec(void *sc_, uint8_t a, uint16_t *d)
328 {
329 struct eap_softc *sc;
330 int to;
331 uint32_t t;
332
333 sc = sc_;
334 eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, 0) | E1371_CODEC_READ);
335
336 for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
337 if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
338 break;
339 }
340 if (to > EAP_WRITE_TIMEOUT)
341 aprint_error_dev(sc->sc_dev,
342 "eap1371_read_codec timeout 1\n");
343
344 for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
345 t = EREAD4(sc, E1371_CODEC);
346 if (t & E1371_CODEC_VALID)
347 break;
348 }
349 if (to > EAP_WRITE_TIMEOUT)
350 aprint_error_dev(sc->sc_dev, "eap1371_read_codec timeout 2\n");
351
352 *d = (uint16_t)t;
353
354 DPRINTFN(10, ("eap1371: reading codec (%x) = %x\n", a, *d));
355
356 return 0;
357 }
358
359 static int
360 eap1371_write_codec(void *sc_, uint8_t a, uint16_t d)
361 {
362 struct eap_softc *sc;
363
364 sc = sc_;
365 eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, d));
366
367 DPRINTFN(10, ("eap1371: writing codec %x --> %x\n", d, a));
368
369 return 0;
370 }
371
372 static uint32_t
373 eap1371_src_wait(struct eap_softc *sc)
374 {
375 int to;
376 u_int32_t src;
377
378 for (to = 0; to < EAP_READ_TIMEOUT; to++) {
379 src = EREAD4(sc, E1371_SRC);
380 if (!(src & E1371_SRC_RBUSY))
381 return src;
382 delay(1);
383 }
384 aprint_error_dev(sc->sc_dev, "eap1371_src_wait timeout\n");
385 return src;
386 }
387
388 static int
389 eap1371_src_read(struct eap_softc *sc, int a)
390 {
391 int to;
392 uint32_t src, t;
393
394 src = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
395 src |= E1371_SRC_ADDR(a);
396 EWRITE4(sc, E1371_SRC, src | E1371_SRC_STATE_OK);
397
398 t = eap1371_src_wait(sc);
399 if ((t & E1371_SRC_STATE_MASK) != E1371_SRC_STATE_OK) {
400 for (to = 0; to < EAP_READ_TIMEOUT; to++) {
401 t = EREAD4(sc, E1371_SRC);
402 if ((t & E1371_SRC_STATE_MASK) == E1371_SRC_STATE_OK)
403 break;
404 delay(1);
405 }
406 }
407
408 EWRITE4(sc, E1371_SRC, src);
409
410 return t & E1371_SRC_DATAMASK;
411 }
412
413 static void
414 eap1371_src_write(struct eap_softc *sc, int a, int d)
415 {
416 uint32_t r;
417
418 r = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
419 r |= E1371_SRC_RAMWE | E1371_SRC_ADDR(a) | E1371_SRC_DATA(d);
420 EWRITE4(sc, E1371_SRC, r);
421 }
422
423 static void
424 eap1371_set_adc_rate(struct eap_softc *sc, int rate)
425 {
426 int freq, n, truncm;
427 int out;
428
429 /* Whatever, it works, so I'll leave it :) */
430
431 if (rate > 48000)
432 rate = 48000;
433 if (rate < 4000)
434 rate = 4000;
435 n = rate / 3000;
436 if ((1 << n) & SRC_MAGIC)
437 n--;
438 truncm = ((21 * n) - 1) | 1;
439 freq = ((48000 << 15) / rate) * n;
440 if (rate >= 24000) {
441 if (truncm > 239)
442 truncm = 239;
443 out = ESRC_SET_TRUNC((239 - truncm) / 2);
444 } else {
445 if (truncm > 119)
446 truncm = 119;
447 out = ESRC_SMF | ESRC_SET_TRUNC((119 - truncm) / 2);
448 }
449 out |= ESRC_SET_N(n);
450 mutex_spin_enter(&sc->sc_intr_lock);
451 eap1371_src_write(sc, ESRC_ADC+ESRC_TRUNC_N, out);
452
453 out = eap1371_src_read(sc, ESRC_ADC+ESRC_IREGS) & 0xff;
454 eap1371_src_write(sc, ESRC_ADC+ESRC_IREGS, out |
455 ESRC_SET_VFI(freq >> 15));
456 eap1371_src_write(sc, ESRC_ADC+ESRC_VFF, freq & 0x7fff);
457 eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(n));
458 eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(n));
459 mutex_spin_exit(&sc->sc_intr_lock);
460 }
461
462 static void
463 eap1371_set_dac_rate(struct eap_instance *ei, int rate)
464 {
465 struct eap_softc *sc;
466 int dac;
467 int freq, r;
468
469 DPRINTFN(2, ("eap1371_set_dac_date: set rate for %d\n", ei->index));
470 sc = device_private(ei->parent);
471 dac = ei->index == EAP_DAC1 ? ESRC_DAC1 : ESRC_DAC2;
472
473 /* Whatever, it works, so I'll leave it :) */
474
475 if (rate > 48000)
476 rate = 48000;
477 if (rate < 4000)
478 rate = 4000;
479 freq = ((rate << 15) + 1500) / 3000;
480
481 mutex_spin_enter(&sc->sc_intr_lock);
482 eap1371_src_wait(sc);
483 r = EREAD4(sc, E1371_SRC) & (E1371_SRC_DISABLE |
484 E1371_SRC_DISP2 | E1371_SRC_DISP1 | E1371_SRC_DISREC);
485 r |= ei->index == EAP_DAC1 ? E1371_SRC_DISP1 : E1371_SRC_DISP2;
486 EWRITE4(sc, E1371_SRC, r);
487 r = eap1371_src_read(sc, dac + ESRC_IREGS) & 0x00ff;
488 eap1371_src_write(sc, dac + ESRC_IREGS, r | ((freq >> 5) & 0xfc00));
489 eap1371_src_write(sc, dac + ESRC_VFF, freq & 0x7fff);
490 r = EREAD4(sc, E1371_SRC) & (E1371_SRC_DISABLE |
491 E1371_SRC_DISP2 | E1371_SRC_DISP1 | E1371_SRC_DISREC);
492 r &= ~(ei->index == EAP_DAC1 ? E1371_SRC_DISP1 : E1371_SRC_DISP2);
493 EWRITE4(sc, E1371_SRC, r);
494 mutex_spin_exit(&sc->sc_intr_lock);
495 }
496
497 static void
498 eap_attach(device_t parent, device_t self, void *aux)
499 {
500 struct eap_softc *sc;
501 struct pci_attach_args *pa;
502 pci_chipset_tag_t pc;
503 const struct audio_hw_if *eap_hw_if;
504 char const *intrstr;
505 pci_intr_handle_t ih;
506 pcireg_t csr;
507 char devinfo[256];
508 mixer_ctrl_t ctl;
509 int i;
510 int revision, ct5880;
511 const char *revstr;
512 #if NJOY_EAP > 0
513 struct eap_gameport_args gpargs;
514 #endif
515 char intrbuf[PCI_INTRSTR_LEN];
516
517 sc = device_private(self);
518 sc->sc_dev = self;
519 pa = (struct pci_attach_args *)aux;
520 pc = pa->pa_pc;
521 revstr = "";
522 aprint_naive(": Audio controller\n");
523
524 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
525 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
526
527 /* Stash this away for detach */
528 sc->sc_pc = pc;
529
530 /* Flag if we're "creative" */
531 sc->sc_1371 = !(PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
532 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_AUDIOPCI);
533
534 /*
535 * The vendor and product ID's are quite "interesting". Just
536 * trust the following and be happy.
537 */
538 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
539 revision = PCI_REVISION(pa->pa_class);
540 ct5880 = 0;
541 if (sc->sc_1371) {
542 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
543 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_CT5880) {
544 ct5880 = 1;
545 switch (revision) {
546 case EAP_CT5880_C: revstr = "CT5880-C "; break;
547 case EAP_CT5880_D: revstr = "CT5880-D "; break;
548 case EAP_CT5880_E: revstr = "CT5880-E "; break;
549 }
550 } else {
551 switch (revision) {
552 case EAP_EV1938_A: revstr = "EV1938-A "; break;
553 case EAP_ES1373_A: revstr = "ES1373-A "; break;
554 case EAP_ES1373_B: revstr = "ES1373-B "; break;
555 case EAP_CT5880_A: revstr = "CT5880-A "; ct5880=1;break;
556 case EAP_ES1373_8: revstr = "ES1373-8" ; ct5880=1;break;
557 case EAP_ES1371_B: revstr = "ES1371-B "; break;
558 }
559 }
560 }
561 aprint_normal(": %s %s(rev. 0x%02x)\n", devinfo, revstr, revision);
562
563 /* Map I/O register */
564 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
565 &sc->iot, &sc->ioh, NULL, &sc->iosz)) {
566 aprint_error_dev(sc->sc_dev, "can't map i/o space\n");
567 return;
568 }
569
570 sc->sc_dmatag = pa->pa_dmat;
571
572 /* Enable the device. */
573 csr = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
574 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
575 csr | PCI_COMMAND_MASTER_ENABLE);
576
577 /* Map and establish the interrupt. */
578 if (pci_intr_map(pa, &ih)) {
579 aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n");
580 return;
581 }
582 intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf));
583 sc->sc_ih = pci_intr_establish_xname(pc, ih, IPL_AUDIO, eap_intr, sc,
584 device_xname(self));
585 if (sc->sc_ih == NULL) {
586 aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
587 if (intrstr != NULL)
588 aprint_error(" at %s", intrstr);
589 aprint_error("\n");
590 return;
591 }
592 aprint_normal_dev(self, "interrupting at %s\n", intrstr);
593
594 sc->sc_ei[EAP_I1].parent = self;
595 sc->sc_ei[EAP_I1].index = EAP_DAC2;
596 sc->sc_ei[EAP_I2].parent = self;
597 sc->sc_ei[EAP_I2].index = EAP_DAC1;
598
599 if (!sc->sc_1371) {
600 /* Enable interrupts and looping mode. */
601 /* enable the parts we need */
602 EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
603 EWRITE4(sc, EAP_ICSC, EAP_CDC_EN);
604
605 /* reset codec */
606 /* normal operation */
607 /* select codec clocks */
608 eap1370_write_codec(sc, AK_RESET, AK_PD);
609 eap1370_write_codec(sc, AK_RESET, AK_PD | AK_NRST);
610 eap1370_write_codec(sc, AK_CS, 0x0);
611
612 eap_hw_if = &eap1370_hw_if;
613
614 /* Enable all relevant mixer switches. */
615 ctl.dev = EAP_INPUT_SOURCE;
616 ctl.type = AUDIO_MIXER_SET;
617 ctl.un.mask = 1 << EAP_VOICE_VOL | 1 << EAP_FM_VOL |
618 1 << EAP_CD_VOL | 1 << EAP_LINE_VOL |
619 1 << EAP_AUX_VOL | 1 << EAP_MIC_VOL;
620 eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
621
622 ctl.type = AUDIO_MIXER_VALUE;
623 ctl.un.value.num_channels = 1;
624 for (ctl.dev = EAP_MASTER_VOL; ctl.dev < EAP_MIC_VOL;
625 ctl.dev++) {
626 ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = VOL_0DB;
627 eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
628 }
629 ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = 0;
630 eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
631 ctl.dev = EAP_MIC_PREAMP;
632 ctl.type = AUDIO_MIXER_ENUM;
633 ctl.un.ord = 0;
634 eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
635 ctl.dev = EAP_RECORD_SOURCE;
636 ctl.type = AUDIO_MIXER_SET;
637 ctl.un.mask = 1 << EAP_MIC_VOL;
638 eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
639 } else {
640 /* clean slate */
641
642 EWRITE4(sc, EAP_SIC, 0);
643 EWRITE4(sc, EAP_ICSC, 0);
644 EWRITE4(sc, E1371_LEGACY, 0);
645
646 if (ct5880) {
647 EWRITE4(sc, EAP_ICSS, EAP_CT5880_AC97_RESET);
648 /* Let codec wake up */
649 delay(20000);
650 }
651
652 /* Reset from es1371's perspective */
653 EWRITE4(sc, EAP_ICSC, E1371_SYNC_RES);
654 delay(20);
655 EWRITE4(sc, EAP_ICSC, 0);
656
657 /*
658 * Must properly reprogram sample rate converter,
659 * or it locks up. Set some defaults for the life of the
660 * machine, and set up a sb default sample rate.
661 */
662 EWRITE4(sc, E1371_SRC, E1371_SRC_DISABLE);
663 for (i = 0; i < 0x80; i++)
664 eap1371_src_write(sc, i, 0);
665 eap1371_src_write(sc, ESRC_DAC1+ESRC_TRUNC_N, ESRC_SET_N(16));
666 eap1371_src_write(sc, ESRC_DAC2+ESRC_TRUNC_N, ESRC_SET_N(16));
667 eap1371_src_write(sc, ESRC_DAC1+ESRC_IREGS, ESRC_SET_VFI(16));
668 eap1371_src_write(sc, ESRC_DAC2+ESRC_IREGS, ESRC_SET_VFI(16));
669 eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(16));
670 eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(16));
671 eap1371_src_write(sc, ESRC_DAC1_VOLL, ESRC_SET_DAC_VOLI(1));
672 eap1371_src_write(sc, ESRC_DAC1_VOLR, ESRC_SET_DAC_VOLI(1));
673 eap1371_src_write(sc, ESRC_DAC2_VOLL, ESRC_SET_DAC_VOLI(1));
674 eap1371_src_write(sc, ESRC_DAC2_VOLR, ESRC_SET_DAC_VOLI(1));
675 eap1371_set_adc_rate(sc, 22050);
676 eap1371_set_dac_rate(&sc->sc_ei[0], 22050);
677 eap1371_set_dac_rate(&sc->sc_ei[1], 22050);
678
679 EWRITE4(sc, E1371_SRC, 0);
680
681 /* Reset codec */
682
683 /* Interrupt enable */
684 sc->host_if.arg = sc;
685 sc->host_if.attach = eap1371_attach_codec;
686 sc->host_if.read = eap1371_read_codec;
687 sc->host_if.write = eap1371_write_codec;
688 sc->host_if.reset = eap1371_reset_codec;
689
690 if (ac97_attach(&sc->host_if, self, &sc->sc_lock) == 0) {
691 /* Interrupt enable */
692 EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
693 } else
694 return;
695
696 eap_hw_if = &eap1371_hw_if;
697 }
698
699 sc->sc_ei[EAP_I1].ei_audiodev =
700 audio_attach_mi(eap_hw_if, &sc->sc_ei[EAP_I1], sc->sc_dev);
701
702 #ifdef EAP_USE_BOTH_DACS
703 aprint_normal_dev(self, "attaching secondary DAC\n");
704 sc->sc_ei[EAP_I2].ei_audiodev =
705 audio_attach_mi(eap_hw_if, &sc->sc_ei[EAP_I2], sc->sc_dev);
706 #endif
707
708 #if NMIDI > 0
709 sc->sc_mididev = midi_attach_mi(&eap_midi_hw_if, sc, sc->sc_dev);
710 #endif
711
712 #if NJOY_EAP > 0
713 if (sc->sc_1371) {
714 gpargs.gpa_iot = sc->iot;
715 gpargs.gpa_ioh = sc->ioh;
716 sc->sc_gameport = eap_joy_attach(sc->sc_dev, &gpargs);
717 }
718 #endif
719 }
720
721 static int
722 eap_detach(device_t self, int flags)
723 {
724 struct eap_softc *sc;
725 int res;
726 #if NJOY_EAP > 0
727 struct eap_gameport_args gpargs;
728
729 sc = device_private(self);
730 if (sc->sc_gameport) {
731 gpargs.gpa_iot = sc->iot;
732 gpargs.gpa_ioh = sc->ioh;
733 res = eap_joy_detach(sc->sc_gameport, &gpargs);
734 if (res)
735 return res;
736 }
737 #else
738 sc = device_private(self);
739 #endif
740 #if NMIDI > 0
741 if (sc->sc_mididev != NULL) {
742 res = config_detach(sc->sc_mididev, 0);
743 if (res)
744 return res;
745 }
746 #endif
747 #ifdef EAP_USE_BOTH_DACS
748 if (sc->sc_ei[EAP_I2].ei_audiodev != NULL) {
749 res = config_detach(sc->sc_ei[EAP_I2].ei_audiodev, 0);
750 if (res)
751 return res;
752 }
753 #endif
754 if (sc->sc_ei[EAP_I1].ei_audiodev != NULL) {
755 res = config_detach(sc->sc_ei[EAP_I1].ei_audiodev, 0);
756 if (res)
757 return res;
758 }
759
760 bus_space_unmap(sc->iot, sc->ioh, sc->iosz);
761 pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
762 mutex_destroy(&sc->sc_lock);
763 mutex_destroy(&sc->sc_intr_lock);
764
765 return 0;
766 }
767
768 static int
769 eap1371_attach_codec(void *sc_, struct ac97_codec_if *codec_if)
770 {
771 struct eap_softc *sc;
772
773 sc = sc_;
774 sc->codec_if = codec_if;
775 return 0;
776 }
777
778 static int
779 eap1371_reset_codec(void *sc_)
780 {
781 struct eap_softc *sc;
782 uint32_t icsc;
783
784 sc = sc_;
785 mutex_spin_enter(&sc->sc_intr_lock);
786 icsc = EREAD4(sc, EAP_ICSC);
787 EWRITE4(sc, EAP_ICSC, icsc | E1371_SYNC_RES);
788 delay(20);
789 EWRITE4(sc, EAP_ICSC, icsc & ~E1371_SYNC_RES);
790 delay(1);
791 mutex_spin_exit(&sc->sc_intr_lock);
792
793 return 0;
794 }
795
796 static int
797 eap_intr(void *p)
798 {
799 struct eap_softc *sc;
800 uint32_t intr, sic;
801
802 sc = p;
803 mutex_spin_enter(&sc->sc_intr_lock);
804 intr = EREAD4(sc, EAP_ICSS);
805 if (!(intr & EAP_INTR)) {
806 mutex_spin_exit(&sc->sc_intr_lock);
807 return 0;
808 }
809 sic = EREAD4(sc, EAP_SIC);
810 DPRINTFN(5, ("eap_intr: ICSS=0x%08x, SIC=0x%08x\n", intr, sic));
811 if (intr & EAP_I_ADC) {
812 #if 0
813 /*
814 * XXX This is a hack!
815 * The EAP chip sometimes generates the recording interrupt
816 * while it is still transferring the data. To make sure
817 * it has all arrived we busy wait until the count is right.
818 * The transfer we are waiting for is 8 longwords.
819 */
820 int s, nw, n;
821 EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
822 s = EREAD4(sc, EAP_ADC_CSR);
823 nw = ((s & 0xffff) + 1) >> 2; /* # of words in DMA */
824 n = 0;
825 while (((EREAD4(sc, EAP_ADC_SIZE) >> 16) + 8) % nw == 0) {
826 delay(10);
827 if (++n > 100) {
828 printf("eapintr: DMA fix timeout");
829 break;
830 }
831 }
832 /* Continue with normal interrupt handling. */
833 #endif
834 EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
835 EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
836 if (sc->sc_rintr)
837 sc->sc_rintr(sc->sc_rarg);
838 }
839
840 if (intr & EAP_I_DAC2) {
841 EWRITE4(sc, EAP_SIC, sic & ~EAP_P2_INTR_EN);
842 EWRITE4(sc, EAP_SIC, sic | EAP_P2_INTR_EN);
843 if (sc->sc_ei[EAP_DAC2].ei_pintr)
844 sc->sc_ei[EAP_DAC2].ei_pintr(sc->sc_ei[EAP_DAC2].ei_parg);
845 }
846
847 if (intr & EAP_I_DAC1) {
848 EWRITE4(sc, EAP_SIC, sic & ~EAP_P1_INTR_EN);
849 EWRITE4(sc, EAP_SIC, sic | EAP_P1_INTR_EN);
850 if (sc->sc_ei[EAP_DAC1].ei_pintr)
851 sc->sc_ei[EAP_DAC1].ei_pintr(sc->sc_ei[EAP_DAC1].ei_parg);
852 }
853
854 if (intr & EAP_I_MCCB)
855 panic("eap_intr: unexpected MCCB interrupt");
856 #if NMIDI > 0
857 if (intr & EAP_I_UART) {
858 uint8_t ustat;
859 uint32_t data;
860
861 ustat = EREAD1(sc, EAP_UART_STATUS);
862
863 if (ustat & EAP_US_RXINT) {
864 while (EREAD1(sc, EAP_UART_STATUS) & EAP_US_RXRDY) {
865 data = EREAD1(sc, EAP_UART_DATA);
866 sc->sc_iintr(sc->sc_arg, data);
867 }
868 }
869
870 if (ustat & EAP_US_TXINT)
871 eap_uart_txrdy(sc);
872 }
873 #endif
874 mutex_spin_exit(&sc->sc_intr_lock);
875 return 1;
876 }
877
878 static int
879 eap_allocmem(struct eap_softc *sc, size_t size, size_t align, struct eap_dma *p)
880 {
881 int error;
882
883 p->size = size;
884 error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
885 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
886 &p->nsegs, BUS_DMA_WAITOK);
887 if (error)
888 return error;
889
890 error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
891 &p->addr, BUS_DMA_WAITOK|BUS_DMA_COHERENT);
892 if (error)
893 goto free;
894
895 error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
896 0, BUS_DMA_WAITOK, &p->map);
897 if (error)
898 goto unmap;
899
900 error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
901 BUS_DMA_WAITOK);
902 if (error)
903 goto destroy;
904 return (0);
905
906 destroy:
907 bus_dmamap_destroy(sc->sc_dmatag, p->map);
908 unmap:
909 bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
910 free:
911 bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
912 return error;
913 }
914
915 static int
916 eap_freemem(struct eap_softc *sc, struct eap_dma *p)
917 {
918
919 bus_dmamap_unload(sc->sc_dmatag, p->map);
920 bus_dmamap_destroy(sc->sc_dmatag, p->map);
921 bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
922 bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
923 return 0;
924 }
925
926 static int
927 eap_open(void *addr, int flags)
928 {
929 struct eap_instance *ei;
930
931 ei = addr;
932 /* there is only one ADC */
933 if (ei->index == EAP_I2 && flags & FREAD)
934 return EOPNOTSUPP;
935
936 return 0;
937 }
938
939 static int
940 eap_query_format(void *addr, struct audio_format_query *afp)
941 {
942
943 return audio_query_format(eap_formats, EAP_NFORMATS, afp);
944 }
945
946 static int
947 eap_set_params(void *addr, int setmode, int usemode,
948 audio_params_t *play, audio_params_t *rec,
949 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
950 {
951 struct eap_instance *ei;
952 struct eap_softc *sc;
953 struct audio_params *p;
954 stream_filter_list_t *fil;
955 int mode, i;
956 uint32_t div;
957
958 ei = addr;
959 sc = device_private(ei->parent);
960
961 for (mode = AUMODE_RECORD; mode != -1;
962 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
963 if ((setmode & mode) == 0)
964 continue;
965
966 p = mode == AUMODE_PLAY ? play : rec;
967
968 fil = mode == AUMODE_PLAY ? pfil : rfil;
969 i = auconv_set_converter(eap_formats, EAP_NFORMATS,
970 mode, p, FALSE, fil);
971 if (i < 0)
972 return EINVAL;
973 }
974
975 if (sc->sc_1371) {
976 eap1371_set_dac_rate(ei, play->sample_rate);
977 eap1371_set_adc_rate(sc, rec->sample_rate);
978 } else if (ei->index == EAP_DAC2) {
979 /* Set the speed */
980 DPRINTFN(2, ("eap_set_params: old ICSC = 0x%08x\n",
981 EREAD4(sc, EAP_ICSC)));
982 div = EREAD4(sc, EAP_ICSC) & ~EAP_PCLKBITS;
983 /*
984 * XXX
985 * The -2 isn't documented, but seemed to make the wall
986 * time match
987 * what I expect. - mycroft
988 */
989 if (usemode == AUMODE_RECORD)
990 div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ /
991 rec->sample_rate - 2);
992 else
993 div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ /
994 play->sample_rate - 2);
995 #if 0
996 div |= EAP_CCB_INTRM;
997 #else
998 /*
999 * It is not obvious how to acknowledge MCCB interrupts, so
1000 * we had better not enable them.
1001 */
1002 #endif
1003 EWRITE4(sc, EAP_ICSC, div);
1004 DPRINTFN(2, ("eap_set_params: set ICSC = 0x%08x\n", div));
1005 } else {
1006 /*
1007 * The FM DAC has only a few fixed-frequency choises, so
1008 * pick out the best candidate.
1009 */
1010 div = EREAD4(sc, EAP_ICSC);
1011 DPRINTFN(2, ("eap_set_params: old ICSC = 0x%08x\n", div));
1012
1013 div &= ~EAP_WTSRSEL;
1014 if (play->sample_rate < 8268)
1015 div |= EAP_WTSRSEL_5;
1016 else if (play->sample_rate < 16537)
1017 div |= EAP_WTSRSEL_11;
1018 else if (play->sample_rate < 33075)
1019 div |= EAP_WTSRSEL_22;
1020 else
1021 div |= EAP_WTSRSEL_44;
1022
1023 EWRITE4(sc, EAP_ICSC, div);
1024 DPRINTFN(2, ("eap_set_params: set ICSC = 0x%08x\n", div));
1025 }
1026
1027 return 0;
1028 }
1029
1030 static int
1031 eap_trigger_output(
1032 void *addr,
1033 void *start,
1034 void *end,
1035 int blksize,
1036 void (*intr)(void *),
1037 void *arg,
1038 const audio_params_t *param)
1039 {
1040 struct eap_instance *ei;
1041 struct eap_softc *sc;
1042 struct eap_dma *p;
1043 uint32_t icsc, sic;
1044 int sampshift;
1045
1046 ei = addr;
1047 sc = device_private(ei->parent);
1048 #ifdef DIAGNOSTIC
1049 if (ei->ei_prun)
1050 panic("eap_trigger_output: already running");
1051 ei->ei_prun = 1;
1052 #endif
1053
1054 DPRINTFN(1, ("eap_trigger_output: sc=%p start=%p end=%p "
1055 "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1056 ei->ei_pintr = intr;
1057 ei->ei_parg = arg;
1058
1059 sic = EREAD4(sc, EAP_SIC);
1060 sic &= ~(EAP_S_EB(ei->index) | EAP_S_MB(ei->index) | EAP_INC_BITS);
1061
1062 if (ei->index == EAP_DAC2)
1063 sic |= EAP_SET_P2_ST_INC(0)
1064 | EAP_SET_P2_END_INC(param->precision / 8);
1065
1066 sampshift = 0;
1067 if (param->precision == 16) {
1068 sic |= EAP_S_EB(ei->index);
1069 sampshift++;
1070 }
1071 if (param->channels == 2) {
1072 sic |= EAP_S_MB(ei->index);
1073 sampshift++;
1074 }
1075 EWRITE4(sc, EAP_SIC, sic & ~EAP_P_INTR_EN(ei->index));
1076 EWRITE4(sc, EAP_SIC, sic | EAP_P_INTR_EN(ei->index));
1077
1078 for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1079 continue;
1080 if (!p) {
1081 printf("eap_trigger_output: bad addr %p\n", start);
1082 return EINVAL;
1083 }
1084
1085 if (ei->index == EAP_DAC2) {
1086 DPRINTF(("eap_trigger_output: DAC2_ADDR=0x%x, DAC2_SIZE=0x%x\n",
1087 (int)DMAADDR(p),
1088 (int)EAP_SET_SIZE(0,
1089 (((char *)end - (char *)start) >> 2) - 1)));
1090 EWRITE4(sc, EAP_MEMPAGE, EAP_DAC_PAGE);
1091 EWRITE4(sc, EAP_DAC2_ADDR, DMAADDR(p));
1092 EWRITE4(sc, EAP_DAC2_SIZE,
1093 EAP_SET_SIZE(0,
1094 ((char *)end - (char *)start) >> 2) - 1);
1095 EWRITE4(sc, EAP_DAC2_CSR, (blksize >> sampshift) - 1);
1096 } else if (ei->index == EAP_DAC1) {
1097 DPRINTF(("eap_trigger_output: DAC1_ADDR=0x%x, DAC1_SIZE=0x%x\n",
1098 (int)DMAADDR(p),
1099 (int)EAP_SET_SIZE(0,
1100 (((char *)end - (char *)start) >> 2) - 1)));
1101 EWRITE4(sc, EAP_MEMPAGE, EAP_DAC_PAGE);
1102 EWRITE4(sc, EAP_DAC1_ADDR, DMAADDR(p));
1103 EWRITE4(sc, EAP_DAC1_SIZE,
1104 EAP_SET_SIZE(0,
1105 ((char *)end - (char *)start) >> 2) - 1);
1106 EWRITE4(sc, EAP_DAC1_CSR, (blksize >> sampshift) - 1);
1107 }
1108 #ifdef DIAGNOSTIC
1109 else
1110 panic("eap_trigger_output: impossible instance %d", ei->index);
1111 #endif
1112
1113 if (sc->sc_1371)
1114 EWRITE4(sc, E1371_SRC, 0);
1115
1116 icsc = EREAD4(sc, EAP_ICSC);
1117 icsc |= EAP_DAC_EN(ei->index);
1118 EWRITE4(sc, EAP_ICSC, icsc);
1119
1120 DPRINTFN(1, ("eap_trigger_output: set ICSC = 0x%08x\n", icsc));
1121
1122 return 0;
1123 }
1124
1125 static int
1126 eap_trigger_input(
1127 void *addr,
1128 void *start,
1129 void *end,
1130 int blksize,
1131 void (*intr)(void *),
1132 void *arg,
1133 const audio_params_t *param)
1134 {
1135 struct eap_instance *ei;
1136 struct eap_softc *sc;
1137 struct eap_dma *p;
1138 uint32_t icsc, sic;
1139 int sampshift;
1140
1141 ei = addr;
1142 sc = device_private(ei->parent);
1143 #ifdef DIAGNOSTIC
1144 if (sc->sc_rrun)
1145 panic("eap_trigger_input: already running");
1146 sc->sc_rrun = 1;
1147 #endif
1148
1149 DPRINTFN(1, ("eap_trigger_input: ei=%p start=%p end=%p blksize=%d intr=%p(%p)\n",
1150 addr, start, end, blksize, intr, arg));
1151 sc->sc_rintr = intr;
1152 sc->sc_rarg = arg;
1153
1154 sic = EREAD4(sc, EAP_SIC);
1155 sic &= ~(EAP_R1_S_EB | EAP_R1_S_MB);
1156 sampshift = 0;
1157 if (param->precision == 16) {
1158 sic |= EAP_R1_S_EB;
1159 sampshift++;
1160 }
1161 if (param->channels == 2) {
1162 sic |= EAP_R1_S_MB;
1163 sampshift++;
1164 }
1165 EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
1166 EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
1167
1168 for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1169 continue;
1170 if (!p) {
1171 printf("eap_trigger_input: bad addr %p\n", start);
1172 return (EINVAL);
1173 }
1174
1175 DPRINTF(("eap_trigger_input: ADC_ADDR=0x%x, ADC_SIZE=0x%x\n",
1176 (int)DMAADDR(p),
1177 (int)EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1)));
1178 EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
1179 EWRITE4(sc, EAP_ADC_ADDR, DMAADDR(p));
1180 EWRITE4(sc, EAP_ADC_SIZE,
1181 EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1));
1182
1183 EWRITE4(sc, EAP_ADC_CSR, (blksize >> sampshift) - 1);
1184
1185 if (sc->sc_1371)
1186 EWRITE4(sc, E1371_SRC, 0);
1187
1188 icsc = EREAD4(sc, EAP_ICSC);
1189 icsc |= EAP_ADC_EN;
1190 EWRITE4(sc, EAP_ICSC, icsc);
1191
1192 DPRINTFN(1, ("eap_trigger_input: set ICSC = 0x%08x\n", icsc));
1193
1194 return 0;
1195 }
1196
1197 static int
1198 eap_halt_output(void *addr)
1199 {
1200 struct eap_instance *ei;
1201 struct eap_softc *sc;
1202 uint32_t icsc;
1203
1204 DPRINTF(("eap: eap_halt_output\n"));
1205 ei = addr;
1206 sc = device_private(ei->parent);
1207 icsc = EREAD4(sc, EAP_ICSC);
1208 EWRITE4(sc, EAP_ICSC, icsc & ~(EAP_DAC_EN(ei->index)));
1209 ei->ei_pintr = 0;
1210 #ifdef DIAGNOSTIC
1211 ei->ei_prun = 0;
1212 #endif
1213
1214 return 0;
1215 }
1216
1217 static int
1218 eap_halt_input(void *addr)
1219 {
1220 struct eap_instance *ei;
1221 struct eap_softc *sc;
1222 uint32_t icsc;
1223
1224 #define EAP_USE_FMDAC_ALSO
1225 DPRINTF(("eap: eap_halt_input\n"));
1226 ei = addr;
1227 sc = device_private(ei->parent);
1228 icsc = EREAD4(sc, EAP_ICSC);
1229 EWRITE4(sc, EAP_ICSC, icsc & ~EAP_ADC_EN);
1230 sc->sc_rintr = 0;
1231 #ifdef DIAGNOSTIC
1232 sc->sc_rrun = 0;
1233 #endif
1234
1235 return 0;
1236 }
1237
1238 static int
1239 eap_getdev(void *addr, struct audio_device *retp)
1240 {
1241
1242 *retp = eap_device;
1243 return 0;
1244 }
1245
1246 static int
1247 eap1371_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1248 {
1249 struct eap_instance *ei;
1250 struct eap_softc *sc;
1251
1252 ei = addr;
1253 sc = device_private(ei->parent);
1254 return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
1255 }
1256
1257 static int
1258 eap1371_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1259 {
1260 struct eap_instance *ei;
1261 struct eap_softc *sc;
1262
1263 ei = addr;
1264 sc = device_private(ei->parent);
1265 return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
1266 }
1267
1268 static int
1269 eap1371_query_devinfo(void *addr, mixer_devinfo_t *dip)
1270 {
1271 struct eap_instance *ei;
1272 struct eap_softc *sc;
1273
1274 ei = addr;
1275 sc = device_private(ei->parent);
1276 return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
1277 }
1278
1279 static void
1280 eap1370_set_mixer(struct eap_softc *sc, int a, int d)
1281 {
1282 eap1370_write_codec(sc, a, d);
1283
1284 sc->sc_port[a] = d;
1285 DPRINTFN(1, ("eap1370_mixer_set_port port 0x%02x = 0x%02x\n", a, d));
1286 }
1287
1288 static int
1289 eap1370_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1290 {
1291 struct eap_instance *ei;
1292 struct eap_softc *sc;
1293 int lval, rval, l, r, la, ra;
1294 int l1, r1, l2, r2, m, o1, o2;
1295
1296 ei = addr;
1297 sc = device_private(ei->parent);
1298 if (cp->dev == EAP_RECORD_SOURCE) {
1299 if (cp->type != AUDIO_MIXER_SET)
1300 return EINVAL;
1301 m = sc->sc_record_source = cp->un.mask;
1302 l1 = l2 = r1 = r2 = 0;
1303 if (m & (1 << EAP_VOICE_VOL))
1304 l2 |= AK_M_VOICE, r2 |= AK_M_VOICE;
1305 if (m & (1 << EAP_FM_VOL))
1306 l1 |= AK_M_FM_L, r1 |= AK_M_FM_R;
1307 if (m & (1 << EAP_CD_VOL))
1308 l1 |= AK_M_CD_L, r1 |= AK_M_CD_R;
1309 if (m & (1 << EAP_LINE_VOL))
1310 l1 |= AK_M_LINE_L, r1 |= AK_M_LINE_R;
1311 if (m & (1 << EAP_AUX_VOL))
1312 l2 |= AK_M2_AUX_L, r2 |= AK_M2_AUX_R;
1313 if (m & (1 << EAP_MIC_VOL))
1314 l2 |= AK_M_TMIC, r2 |= AK_M_TMIC;
1315 eap1370_set_mixer(sc, AK_IN_MIXER1_L, l1);
1316 eap1370_set_mixer(sc, AK_IN_MIXER1_R, r1);
1317 eap1370_set_mixer(sc, AK_IN_MIXER2_L, l2);
1318 eap1370_set_mixer(sc, AK_IN_MIXER2_R, r2);
1319 return 0;
1320 }
1321 if (cp->dev == EAP_INPUT_SOURCE) {
1322 if (cp->type != AUDIO_MIXER_SET)
1323 return EINVAL;
1324 m = sc->sc_input_source = cp->un.mask;
1325 o1 = o2 = 0;
1326 if (m & (1 << EAP_VOICE_VOL))
1327 o2 |= AK_M_VOICE_L | AK_M_VOICE_R;
1328 if (m & (1 << EAP_FM_VOL))
1329 o1 |= AK_M_FM_L | AK_M_FM_R;
1330 if (m & (1 << EAP_CD_VOL))
1331 o1 |= AK_M_CD_L | AK_M_CD_R;
1332 if (m & (1 << EAP_LINE_VOL))
1333 o1 |= AK_M_LINE_L | AK_M_LINE_R;
1334 if (m & (1 << EAP_AUX_VOL))
1335 o2 |= AK_M_AUX_L | AK_M_AUX_R;
1336 if (m & (1 << EAP_MIC_VOL))
1337 o1 |= AK_M_MIC;
1338 eap1370_set_mixer(sc, AK_OUT_MIXER1, o1);
1339 eap1370_set_mixer(sc, AK_OUT_MIXER2, o2);
1340 return 0;
1341 }
1342 if (cp->dev == EAP_MIC_PREAMP) {
1343 if (cp->type != AUDIO_MIXER_ENUM)
1344 return EINVAL;
1345 if (cp->un.ord != 0 && cp->un.ord != 1)
1346 return EINVAL;
1347 sc->sc_mic_preamp = cp->un.ord;
1348 eap1370_set_mixer(sc, AK_MGAIN, cp->un.ord);
1349 return 0;
1350 }
1351 if (cp->type != AUDIO_MIXER_VALUE)
1352 return EINVAL;
1353 if (cp->un.value.num_channels == 1)
1354 lval = rval = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
1355 else if (cp->un.value.num_channels == 2) {
1356 lval = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
1357 rval = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
1358 } else
1359 return EINVAL;
1360 ra = -1;
1361 switch (cp->dev) {
1362 case EAP_MASTER_VOL:
1363 l = VOL_TO_ATT5(lval);
1364 r = VOL_TO_ATT5(rval);
1365 la = AK_MASTER_L;
1366 ra = AK_MASTER_R;
1367 break;
1368 case EAP_MIC_VOL:
1369 if (cp->un.value.num_channels != 1)
1370 return EINVAL;
1371 la = AK_MIC;
1372 goto lr;
1373 case EAP_VOICE_VOL:
1374 la = AK_VOICE_L;
1375 ra = AK_VOICE_R;
1376 goto lr;
1377 case EAP_FM_VOL:
1378 la = AK_FM_L;
1379 ra = AK_FM_R;
1380 goto lr;
1381 case EAP_CD_VOL:
1382 la = AK_CD_L;
1383 ra = AK_CD_R;
1384 goto lr;
1385 case EAP_LINE_VOL:
1386 la = AK_LINE_L;
1387 ra = AK_LINE_R;
1388 goto lr;
1389 case EAP_AUX_VOL:
1390 la = AK_AUX_L;
1391 ra = AK_AUX_R;
1392 lr:
1393 l = VOL_TO_GAIN5(lval);
1394 r = VOL_TO_GAIN5(rval);
1395 break;
1396 default:
1397 return EINVAL;
1398 }
1399 eap1370_set_mixer(sc, la, l);
1400 if (ra >= 0) {
1401 eap1370_set_mixer(sc, ra, r);
1402 }
1403 return 0;
1404 }
1405
1406 static int
1407 eap1370_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1408 {
1409 struct eap_instance *ei;
1410 struct eap_softc *sc;
1411 int la, ra, l, r;
1412
1413 ei = addr;
1414 sc = device_private(ei->parent);
1415 switch (cp->dev) {
1416 case EAP_RECORD_SOURCE:
1417 if (cp->type != AUDIO_MIXER_SET)
1418 return EINVAL;
1419 cp->un.mask = sc->sc_record_source;
1420 return 0;
1421 case EAP_INPUT_SOURCE:
1422 if (cp->type != AUDIO_MIXER_SET)
1423 return EINVAL;
1424 cp->un.mask = sc->sc_input_source;
1425 return 0;
1426 case EAP_MIC_PREAMP:
1427 if (cp->type != AUDIO_MIXER_ENUM)
1428 return EINVAL;
1429 cp->un.ord = sc->sc_mic_preamp;
1430 return 0;
1431 case EAP_MASTER_VOL:
1432 l = ATT5_TO_VOL(sc->sc_port[AK_MASTER_L]);
1433 r = ATT5_TO_VOL(sc->sc_port[AK_MASTER_R]);
1434 break;
1435 case EAP_MIC_VOL:
1436 if (cp->un.value.num_channels != 1)
1437 return EINVAL;
1438 la = ra = AK_MIC;
1439 goto lr;
1440 case EAP_VOICE_VOL:
1441 la = AK_VOICE_L;
1442 ra = AK_VOICE_R;
1443 goto lr;
1444 case EAP_FM_VOL:
1445 la = AK_FM_L;
1446 ra = AK_FM_R;
1447 goto lr;
1448 case EAP_CD_VOL:
1449 la = AK_CD_L;
1450 ra = AK_CD_R;
1451 goto lr;
1452 case EAP_LINE_VOL:
1453 la = AK_LINE_L;
1454 ra = AK_LINE_R;
1455 goto lr;
1456 case EAP_AUX_VOL:
1457 la = AK_AUX_L;
1458 ra = AK_AUX_R;
1459 lr:
1460 l = GAIN5_TO_VOL(sc->sc_port[la]);
1461 r = GAIN5_TO_VOL(sc->sc_port[ra]);
1462 break;
1463 default:
1464 return EINVAL;
1465 }
1466 if (cp->un.value.num_channels == 1)
1467 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = (l+r) / 2;
1468 else if (cp->un.value.num_channels == 2) {
1469 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
1470 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
1471 } else
1472 return EINVAL;
1473 return 0;
1474 }
1475
1476 static int
1477 eap1370_query_devinfo(void *addr, mixer_devinfo_t *dip)
1478 {
1479
1480 switch (dip->index) {
1481 case EAP_MASTER_VOL:
1482 dip->type = AUDIO_MIXER_VALUE;
1483 dip->mixer_class = EAP_OUTPUT_CLASS;
1484 dip->prev = dip->next = AUDIO_MIXER_LAST;
1485 strcpy(dip->label.name, AudioNmaster);
1486 dip->un.v.num_channels = 2;
1487 dip->un.v.delta = 8;
1488 strcpy(dip->un.v.units.name, AudioNvolume);
1489 return 0;
1490 case EAP_VOICE_VOL:
1491 dip->type = AUDIO_MIXER_VALUE;
1492 dip->mixer_class = EAP_INPUT_CLASS;
1493 dip->prev = AUDIO_MIXER_LAST;
1494 dip->next = AUDIO_MIXER_LAST;
1495 strcpy(dip->label.name, AudioNdac);
1496 dip->un.v.num_channels = 2;
1497 dip->un.v.delta = 8;
1498 strcpy(dip->un.v.units.name, AudioNvolume);
1499 return 0;
1500 case EAP_FM_VOL:
1501 dip->type = AUDIO_MIXER_VALUE;
1502 dip->mixer_class = EAP_INPUT_CLASS;
1503 dip->prev = AUDIO_MIXER_LAST;
1504 dip->next = AUDIO_MIXER_LAST;
1505 strcpy(dip->label.name, AudioNfmsynth);
1506 dip->un.v.num_channels = 2;
1507 dip->un.v.delta = 8;
1508 strcpy(dip->un.v.units.name, AudioNvolume);
1509 return 0;
1510 case EAP_CD_VOL:
1511 dip->type = AUDIO_MIXER_VALUE;
1512 dip->mixer_class = EAP_INPUT_CLASS;
1513 dip->prev = AUDIO_MIXER_LAST;
1514 dip->next = AUDIO_MIXER_LAST;
1515 strcpy(dip->label.name, AudioNcd);
1516 dip->un.v.num_channels = 2;
1517 dip->un.v.delta = 8;
1518 strcpy(dip->un.v.units.name, AudioNvolume);
1519 return 0;
1520 case EAP_LINE_VOL:
1521 dip->type = AUDIO_MIXER_VALUE;
1522 dip->mixer_class = EAP_INPUT_CLASS;
1523 dip->prev = AUDIO_MIXER_LAST;
1524 dip->next = AUDIO_MIXER_LAST;
1525 strcpy(dip->label.name, AudioNline);
1526 dip->un.v.num_channels = 2;
1527 dip->un.v.delta = 8;
1528 strcpy(dip->un.v.units.name, AudioNvolume);
1529 return 0;
1530 case EAP_AUX_VOL:
1531 dip->type = AUDIO_MIXER_VALUE;
1532 dip->mixer_class = EAP_INPUT_CLASS;
1533 dip->prev = AUDIO_MIXER_LAST;
1534 dip->next = AUDIO_MIXER_LAST;
1535 strcpy(dip->label.name, AudioNaux);
1536 dip->un.v.num_channels = 2;
1537 dip->un.v.delta = 8;
1538 strcpy(dip->un.v.units.name, AudioNvolume);
1539 return 0;
1540 case EAP_MIC_VOL:
1541 dip->type = AUDIO_MIXER_VALUE;
1542 dip->mixer_class = EAP_INPUT_CLASS;
1543 dip->prev = AUDIO_MIXER_LAST;
1544 dip->next = EAP_MIC_PREAMP;
1545 strcpy(dip->label.name, AudioNmicrophone);
1546 dip->un.v.num_channels = 1;
1547 dip->un.v.delta = 8;
1548 strcpy(dip->un.v.units.name, AudioNvolume);
1549 return 0;
1550 case EAP_RECORD_SOURCE:
1551 dip->mixer_class = EAP_RECORD_CLASS;
1552 dip->prev = dip->next = AUDIO_MIXER_LAST;
1553 strcpy(dip->label.name, AudioNsource);
1554 dip->type = AUDIO_MIXER_SET;
1555 dip->un.s.num_mem = 6;
1556 strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1557 dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1558 strcpy(dip->un.s.member[1].label.name, AudioNcd);
1559 dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1560 strcpy(dip->un.s.member[2].label.name, AudioNline);
1561 dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1562 strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1563 dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1564 strcpy(dip->un.s.member[4].label.name, AudioNaux);
1565 dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1566 strcpy(dip->un.s.member[5].label.name, AudioNdac);
1567 dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1568 return 0;
1569 case EAP_INPUT_SOURCE:
1570 dip->mixer_class = EAP_INPUT_CLASS;
1571 dip->prev = dip->next = AUDIO_MIXER_LAST;
1572 strcpy(dip->label.name, AudioNsource);
1573 dip->type = AUDIO_MIXER_SET;
1574 dip->un.s.num_mem = 6;
1575 strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1576 dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1577 strcpy(dip->un.s.member[1].label.name, AudioNcd);
1578 dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1579 strcpy(dip->un.s.member[2].label.name, AudioNline);
1580 dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1581 strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1582 dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1583 strcpy(dip->un.s.member[4].label.name, AudioNaux);
1584 dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1585 strcpy(dip->un.s.member[5].label.name, AudioNdac);
1586 dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1587 return 0;
1588 case EAP_MIC_PREAMP:
1589 dip->type = AUDIO_MIXER_ENUM;
1590 dip->mixer_class = EAP_INPUT_CLASS;
1591 dip->prev = EAP_MIC_VOL;
1592 dip->next = AUDIO_MIXER_LAST;
1593 strcpy(dip->label.name, AudioNpreamp);
1594 dip->un.e.num_mem = 2;
1595 strcpy(dip->un.e.member[0].label.name, AudioNoff);
1596 dip->un.e.member[0].ord = 0;
1597 strcpy(dip->un.e.member[1].label.name, AudioNon);
1598 dip->un.e.member[1].ord = 1;
1599 return 0;
1600 case EAP_OUTPUT_CLASS:
1601 dip->type = AUDIO_MIXER_CLASS;
1602 dip->mixer_class = EAP_OUTPUT_CLASS;
1603 dip->next = dip->prev = AUDIO_MIXER_LAST;
1604 strcpy(dip->label.name, AudioCoutputs);
1605 return 0;
1606 case EAP_RECORD_CLASS:
1607 dip->type = AUDIO_MIXER_CLASS;
1608 dip->mixer_class = EAP_RECORD_CLASS;
1609 dip->next = dip->prev = AUDIO_MIXER_LAST;
1610 strcpy(dip->label.name, AudioCrecord);
1611 return 0;
1612 case EAP_INPUT_CLASS:
1613 dip->type = AUDIO_MIXER_CLASS;
1614 dip->mixer_class = EAP_INPUT_CLASS;
1615 dip->next = dip->prev = AUDIO_MIXER_LAST;
1616 strcpy(dip->label.name, AudioCinputs);
1617 return 0;
1618 }
1619 return ENXIO;
1620 }
1621
1622 static void *
1623 eap_malloc(void *addr, int direction, size_t size)
1624 {
1625 struct eap_instance *ei;
1626 struct eap_softc *sc;
1627 struct eap_dma *p;
1628 int error;
1629
1630 p = kmem_alloc(sizeof(*p), KM_SLEEP);
1631 ei = addr;
1632 sc = device_private(ei->parent);
1633 error = eap_allocmem(sc, size, 16, p);
1634 if (error) {
1635 kmem_free(p, sizeof(*p));
1636 return NULL;
1637 }
1638 p->next = sc->sc_dmas;
1639 sc->sc_dmas = p;
1640 return KERNADDR(p);
1641 }
1642
1643 static void
1644 eap_free(void *addr, void *ptr, size_t size)
1645 {
1646 struct eap_instance *ei;
1647 struct eap_softc *sc;
1648 struct eap_dma **pp, *p;
1649
1650 ei = addr;
1651 sc = device_private(ei->parent);
1652 for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1653 if (KERNADDR(p) == ptr) {
1654 eap_freemem(sc, p);
1655 *pp = p->next;
1656 kmem_free(p, sizeof(*p));
1657 return;
1658 }
1659 }
1660 }
1661
1662 static size_t
1663 eap_round_buffersize(void *addr, int direction, size_t size)
1664 {
1665
1666 return size;
1667 }
1668
1669 static int
1670 eap_get_props(void *addr)
1671 {
1672 struct eap_instance *ei;
1673 struct eap_softc *sc;
1674 int prop;
1675
1676 ei = addr;
1677 sc = device_private(ei->parent);
1678 prop = AUDIO_PROP_MMAP | AUDIO_PROP_FULLDUPLEX |
1679 AUDIO_PROP_INDEPENDENT;
1680 /* The es1370 only has one clock, so it's not independent */
1681 if (!sc->sc_1371 && ei->index == EAP_DAC2)
1682 prop &= ~AUDIO_PROP_INDEPENDENT;
1683
1684 return prop;
1685 }
1686
1687 static void
1688 eap_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
1689 {
1690 struct eap_instance *ei;
1691 struct eap_softc *sc;
1692
1693 ei = addr;
1694 sc = device_private(ei->parent);
1695 *intr = &sc->sc_intr_lock;
1696 *thread = &sc->sc_lock;
1697 }
1698
1699 #if NMIDI > 0
1700 static int
1701 eap_midi_open(void *addr, int flags,
1702 void (*iintr)(void *, int),
1703 void (*ointr)(void *),
1704 void *arg)
1705 {
1706 struct eap_softc *sc;
1707 uint8_t uctrl;
1708
1709 sc = addr;
1710 sc->sc_arg = arg;
1711
1712 EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) | EAP_UART_EN);
1713 uctrl = 0;
1714 if (flags & FREAD) {
1715 uctrl |= EAP_UC_RXINTEN;
1716 sc->sc_iintr = iintr;
1717 }
1718 if (flags & FWRITE)
1719 sc->sc_ointr = ointr;
1720 EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1721
1722 return 0;
1723 }
1724
1725 static void
1726 eap_midi_close(void *addr)
1727 {
1728 struct eap_softc *sc;
1729
1730 sc = addr;
1731 /* give uart a chance to drain */
1732 (void)kpause("eapclm", false, hz/10, &sc->sc_intr_lock);
1733 EWRITE1(sc, EAP_UART_CONTROL, 0);
1734 EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) & ~EAP_UART_EN);
1735
1736 sc->sc_iintr = 0;
1737 sc->sc_ointr = 0;
1738 }
1739
1740 static int
1741 eap_midi_output(void *addr, int d)
1742 {
1743 struct eap_softc *sc;
1744 uint8_t uctrl;
1745
1746 sc = addr;
1747 EWRITE1(sc, EAP_UART_DATA, d);
1748
1749 uctrl = EAP_UC_TXINTEN;
1750 if (sc->sc_iintr)
1751 uctrl |= EAP_UC_RXINTEN;
1752 /*
1753 * This is a write-only register, so we have to remember the right
1754 * value of RXINTEN as well as setting TXINTEN. But if we are open
1755 * for reading, it will always be correct to set RXINTEN here; only
1756 * during service of a receive interrupt could it be momentarily
1757 * toggled off, and whether we got here from the top half or from
1758 * an interrupt, that won't be the current state.
1759 */
1760 EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1761 return 0;
1762 }
1763
1764 static void
1765 eap_midi_getinfo(void *addr, struct midi_info *mi)
1766 {
1767 mi->name = "AudioPCI MIDI UART";
1768 mi->props = MIDI_PROP_CAN_INPUT | MIDI_PROP_OUT_INTR;
1769 }
1770
1771 static void
1772 eap_uart_txrdy(struct eap_softc *sc)
1773 {
1774 uint8_t uctrl;
1775 uctrl = 0;
1776 if (sc->sc_iintr)
1777 uctrl = EAP_UC_RXINTEN;
1778 EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1779 sc->sc_ointr(sc->sc_arg);
1780 }
1781
1782 #endif
1783