eap.c revision 1.94 1 /* $NetBSD: eap.c,v 1.94 2011/11/24 03:35:58 mrg 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 1.94 2011/11/24 03:35:58 mrg 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
87 int eapdebug = 0;
88 #else
89 #define DPRINTF(x)
90 #define DPRINTFN(n,x)
91 #endif
92
93 static int eap_match(device_t, cfdata_t, void *);
94 static void eap_attach(device_t, device_t, void *);
95 static int eap_detach(device_t, int);
96 static int eap_intr(void *);
97
98 static int eap_allocmem(struct eap_softc *, size_t, size_t,
99 struct eap_dma *);
100 static 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
109 CFATTACH_DECL_NEW(eap, sizeof(struct eap_softc),
110 eap_match, eap_attach, eap_detach, NULL);
111
112 static int eap_open(void *, int);
113 static int eap_query_encoding(void *, struct audio_encoding *);
114 static int eap_set_params(void *, int, int, audio_params_t *,
115 audio_params_t *, stream_filter_list_t *,
116 stream_filter_list_t *);
117 static int eap_round_blocksize(void *, int, int, const audio_params_t *);
118 static int eap_trigger_output(void *, void *, void *, int,
119 void (*)(void *), void *,
120 const audio_params_t *);
121 static int eap_trigger_input(void *, void *, void *, int,
122 void (*)(void *), void *,
123 const audio_params_t *);
124 static int eap_halt_output(void *);
125 static int eap_halt_input(void *);
126 static void eap1370_write_codec(struct eap_softc *, int, int);
127 static int eap_getdev(void *, struct audio_device *);
128 static int eap1370_mixer_set_port(void *, mixer_ctrl_t *);
129 static int eap1370_mixer_get_port(void *, mixer_ctrl_t *);
130 static int eap1371_mixer_set_port(void *, mixer_ctrl_t *);
131 static int eap1371_mixer_get_port(void *, mixer_ctrl_t *);
132 static int eap1370_query_devinfo(void *, mixer_devinfo_t *);
133 static void *eap_malloc(void *, int, size_t);
134 static void eap_free(void *, void *, size_t);
135 static size_t eap_round_buffersize(void *, int, size_t);
136 static paddr_t eap_mappage(void *, void *, off_t, int);
137 static int eap_get_props(void *);
138 static void eap1370_set_mixer(struct eap_softc *, int, int);
139 static uint32_t eap1371_src_wait(struct eap_softc *);
140 static void eap1371_set_adc_rate(struct eap_softc *, int);
141 static void eap1371_set_dac_rate(struct eap_instance *, int);
142 static int eap1371_src_read(struct eap_softc *, int);
143 static void eap1371_src_write(struct eap_softc *, int, int);
144 static int eap1371_query_devinfo(void *, mixer_devinfo_t *);
145
146 static int eap1371_attach_codec(void *, struct ac97_codec_if *);
147 static int eap1371_read_codec(void *, uint8_t, uint16_t *);
148 static int eap1371_write_codec(void *, uint8_t, uint16_t );
149 static int eap1371_reset_codec(void *);
150 static void eap_get_locks(void *, kmutex_t **, kmutex_t **);
151
152 #if NMIDI > 0
153 static void eap_midi_close(void *);
154 static void eap_midi_getinfo(void *, struct midi_info *);
155 static int eap_midi_open(void *, int, void (*)(void *, int),
156 void (*)(void *), void *);
157 static int eap_midi_output(void *, int);
158 static void eap_uart_txrdy(struct eap_softc *);
159 #endif
160
161 static 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
192 static 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
224 static 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
234 static struct audio_device eap_device = {
235 "Ensoniq AudioPCI",
236 "",
237 "eap"
238 };
239
240 #define EAP_NFORMATS 4
241 static 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
252 static int
253 eap_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
278 static void
279 eap1370_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
300 static inline void
301 eap1371_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
347 static int
348 eap1371_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
380 static int
381 eap1371_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
393 static uint32_t
394 eap1371_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
409 static int
410 eap1371_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
434 static void
435 eap1371_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
444 static void
445 eap1371_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
483 static void
484 eap1371_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
518 static void
519 eap_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
537 sc = device_private(self);
538 sc->sc_dev = self;
539 pa = (struct pci_attach_args *)aux;
540 pc = pa->pa_pc;
541 revstr = "";
542 aprint_naive(": Audio controller\n");
543
544 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
545 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
546
547 /* Stash this away for detach */
548 sc->sc_pc = pc;
549
550 /* Flag if we're "creative" */
551 sc->sc_1371 = !(PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
552 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_AUDIOPCI);
553
554 /*
555 * The vendor and product ID's are quite "interesting". Just
556 * trust the following and be happy.
557 */
558 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
559 revision = PCI_REVISION(pa->pa_class);
560 ct5880 = 0;
561 if (sc->sc_1371) {
562 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
563 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_CT5880) {
564 ct5880 = 1;
565 switch (revision) {
566 case EAP_CT5880_C: revstr = "CT5880-C "; break;
567 case EAP_CT5880_D: revstr = "CT5880-D "; break;
568 case EAP_CT5880_E: revstr = "CT5880-E "; break;
569 }
570 } else {
571 switch (revision) {
572 case EAP_EV1938_A: revstr = "EV1938-A "; break;
573 case EAP_ES1373_A: revstr = "ES1373-A "; break;
574 case EAP_ES1373_B: revstr = "ES1373-B "; break;
575 case EAP_CT5880_A: revstr = "CT5880-A "; ct5880=1;break;
576 case EAP_ES1373_8: revstr = "ES1373-8" ; ct5880=1;break;
577 case EAP_ES1371_B: revstr = "ES1371-B "; break;
578 }
579 }
580 }
581 aprint_normal(": %s %s(rev. 0x%02x)\n", devinfo, revstr, revision);
582
583 /* Map I/O register */
584 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
585 &sc->iot, &sc->ioh, NULL, &sc->iosz)) {
586 aprint_error_dev(sc->sc_dev, "can't map i/o space\n");
587 return;
588 }
589
590 sc->sc_dmatag = pa->pa_dmat;
591
592 /* Enable the device. */
593 csr = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
594 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
595 csr | PCI_COMMAND_MASTER_ENABLE);
596
597 /* Map and establish the interrupt. */
598 if (pci_intr_map(pa, &ih)) {
599 aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n");
600 return;
601 }
602 intrstr = pci_intr_string(pc, ih);
603 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, eap_intr, sc);
604 if (sc->sc_ih == NULL) {
605 aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
606 if (intrstr != NULL)
607 aprint_error(" at %s", intrstr);
608 aprint_error("\n");
609 return;
610 }
611 aprint_normal_dev(self, "interrupting at %s\n", intrstr);
612
613 sc->sc_ei[EAP_I1].parent = self;
614 sc->sc_ei[EAP_I1].index = EAP_DAC2;
615 sc->sc_ei[EAP_I2].parent = self;
616 sc->sc_ei[EAP_I2].index = EAP_DAC1;
617
618 if (!sc->sc_1371) {
619 /* Enable interrupts and looping mode. */
620 /* enable the parts we need */
621 EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
622 EWRITE4(sc, EAP_ICSC, EAP_CDC_EN);
623
624 /* reset codec */
625 /* normal operation */
626 /* select codec clocks */
627 eap1370_write_codec(sc, AK_RESET, AK_PD);
628 eap1370_write_codec(sc, AK_RESET, AK_PD | AK_NRST);
629 eap1370_write_codec(sc, AK_CS, 0x0);
630
631 eap_hw_if = &eap1370_hw_if;
632
633 /* Enable all relevant mixer switches. */
634 ctl.dev = EAP_INPUT_SOURCE;
635 ctl.type = AUDIO_MIXER_SET;
636 ctl.un.mask = 1 << EAP_VOICE_VOL | 1 << EAP_FM_VOL |
637 1 << EAP_CD_VOL | 1 << EAP_LINE_VOL | 1 << EAP_AUX_VOL |
638 1 << EAP_MIC_VOL;
639 eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
640
641 ctl.type = AUDIO_MIXER_VALUE;
642 ctl.un.value.num_channels = 1;
643 for (ctl.dev = EAP_MASTER_VOL; ctl.dev < EAP_MIC_VOL;
644 ctl.dev++) {
645 ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = VOL_0DB;
646 eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
647 }
648 ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = 0;
649 eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
650 ctl.dev = EAP_MIC_PREAMP;
651 ctl.type = AUDIO_MIXER_ENUM;
652 ctl.un.ord = 0;
653 eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
654 ctl.dev = EAP_RECORD_SOURCE;
655 ctl.type = AUDIO_MIXER_SET;
656 ctl.un.mask = 1 << EAP_MIC_VOL;
657 eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
658 } else {
659 /* clean slate */
660
661 EWRITE4(sc, EAP_SIC, 0);
662 EWRITE4(sc, EAP_ICSC, 0);
663 EWRITE4(sc, E1371_LEGACY, 0);
664
665 if (ct5880) {
666 EWRITE4(sc, EAP_ICSS, EAP_CT5880_AC97_RESET);
667 /* Let codec wake up */
668 delay(20000);
669 }
670
671 /* Reset from es1371's perspective */
672 EWRITE4(sc, EAP_ICSC, E1371_SYNC_RES);
673 delay(20);
674 EWRITE4(sc, EAP_ICSC, 0);
675
676 /*
677 * Must properly reprogram sample rate converter,
678 * or it locks up. Set some defaults for the life of the
679 * machine, and set up a sb default sample rate.
680 */
681 EWRITE4(sc, E1371_SRC, E1371_SRC_DISABLE);
682 for (i = 0; i < 0x80; i++)
683 eap1371_src_write(sc, i, 0);
684 eap1371_src_write(sc, ESRC_DAC1+ESRC_TRUNC_N, ESRC_SET_N(16));
685 eap1371_src_write(sc, ESRC_DAC2+ESRC_TRUNC_N, ESRC_SET_N(16));
686 eap1371_src_write(sc, ESRC_DAC1+ESRC_IREGS, ESRC_SET_VFI(16));
687 eap1371_src_write(sc, ESRC_DAC2+ESRC_IREGS, ESRC_SET_VFI(16));
688 eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(16));
689 eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(16));
690 eap1371_src_write(sc, ESRC_DAC1_VOLL, ESRC_SET_DAC_VOLI(1));
691 eap1371_src_write(sc, ESRC_DAC1_VOLR, ESRC_SET_DAC_VOLI(1));
692 eap1371_src_write(sc, ESRC_DAC2_VOLL, ESRC_SET_DAC_VOLI(1));
693 eap1371_src_write(sc, ESRC_DAC2_VOLR, ESRC_SET_DAC_VOLI(1));
694 eap1371_set_adc_rate(sc, 22050);
695 eap1371_set_dac_rate(&sc->sc_ei[0], 22050);
696 eap1371_set_dac_rate(&sc->sc_ei[1], 22050);
697
698 EWRITE4(sc, E1371_SRC, 0);
699
700 /* Reset codec */
701
702 /* Interrupt enable */
703 sc->host_if.arg = sc;
704 sc->host_if.attach = eap1371_attach_codec;
705 sc->host_if.read = eap1371_read_codec;
706 sc->host_if.write = eap1371_write_codec;
707 sc->host_if.reset = eap1371_reset_codec;
708
709 if (ac97_attach(&sc->host_if, self, &sc->sc_lock) == 0) {
710 /* Interrupt enable */
711 EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
712 } else
713 return;
714
715 eap_hw_if = &eap1371_hw_if;
716 }
717
718 sc->sc_ei[EAP_I1].ei_audiodev =
719 audio_attach_mi(eap_hw_if, &sc->sc_ei[EAP_I1], sc->sc_dev);
720
721 #ifdef EAP_USE_BOTH_DACS
722 aprint_normal_dev(self, "attaching secondary DAC\n");
723 sc->sc_ei[EAP_I2].ei_audiodev =
724 audio_attach_mi(eap_hw_if, &sc->sc_ei[EAP_I2], sc->sc_dev);
725 #endif
726
727 #if NMIDI > 0
728 sc->sc_mididev = midi_attach_mi(&eap_midi_hw_if, sc, sc->sc_dev);
729 #endif
730
731 #if NJOY_EAP > 0
732 if (sc->sc_1371) {
733 gpargs.gpa_iot = sc->iot;
734 gpargs.gpa_ioh = sc->ioh;
735 sc->sc_gameport = eap_joy_attach(sc->sc_dev, &gpargs);
736 }
737 #endif
738 }
739
740 static int
741 eap_detach(device_t self, int flags)
742 {
743 struct eap_softc *sc;
744 int res;
745 #if NJOY_EAP > 0
746 struct eap_gameport_args gpargs;
747
748 sc = device_private(self);
749 if (sc->sc_gameport) {
750 gpargs.gpa_iot = sc->iot;
751 gpargs.gpa_ioh = sc->ioh;
752 res = eap_joy_detach(sc->sc_gameport, &gpargs);
753 if (res)
754 return res;
755 }
756 #else
757 sc = device_private(self);
758 #endif
759 #if NMIDI > 0
760 if (sc->sc_mididev != NULL) {
761 res = config_detach(sc->sc_mididev, 0);
762 if (res)
763 return res;
764 }
765 #endif
766 #ifdef EAP_USE_BOTH_DACS
767 if (sc->sc_ei[EAP_I2].ei_audiodev != NULL) {
768 res = config_detach(sc->sc_ei[EAP_I2].ei_audiodev, 0);
769 if (res)
770 return res;
771 }
772 #endif
773 if (sc->sc_ei[EAP_I1].ei_audiodev != NULL) {
774 res = config_detach(sc->sc_ei[EAP_I1].ei_audiodev, 0);
775 if (res)
776 return res;
777 }
778
779 bus_space_unmap(sc->iot, sc->ioh, sc->iosz);
780 pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
781 mutex_destroy(&sc->sc_lock);
782 mutex_destroy(&sc->sc_intr_lock);
783
784 return 0;
785 }
786
787 static int
788 eap1371_attach_codec(void *sc_, struct ac97_codec_if *codec_if)
789 {
790 struct eap_softc *sc;
791
792 sc = sc_;
793 sc->codec_if = codec_if;
794 return 0;
795 }
796
797 static int
798 eap1371_reset_codec(void *sc_)
799 {
800 struct eap_softc *sc;
801 uint32_t icsc;
802
803 sc = sc_;
804 mutex_spin_enter(&sc->sc_intr_lock);
805 icsc = EREAD4(sc, EAP_ICSC);
806 EWRITE4(sc, EAP_ICSC, icsc | E1371_SYNC_RES);
807 delay(20);
808 EWRITE4(sc, EAP_ICSC, icsc & ~E1371_SYNC_RES);
809 delay(1);
810 mutex_spin_exit(&sc->sc_intr_lock);
811
812 return 0;
813 }
814
815 static int
816 eap_intr(void *p)
817 {
818 struct eap_softc *sc;
819 uint32_t intr, sic;
820
821 sc = p;
822 mutex_spin_enter(&sc->sc_intr_lock);
823 intr = EREAD4(sc, EAP_ICSS);
824 if (!(intr & EAP_INTR)) {
825 mutex_spin_exit(&sc->sc_intr_lock);
826 return 0;
827 }
828 sic = EREAD4(sc, EAP_SIC);
829 DPRINTFN(5, ("eap_intr: ICSS=0x%08x, SIC=0x%08x\n", intr, sic));
830 if (intr & EAP_I_ADC) {
831 #if 0
832 /*
833 * XXX This is a hack!
834 * The EAP chip sometimes generates the recording interrupt
835 * while it is still transferring the data. To make sure
836 * it has all arrived we busy wait until the count is right.
837 * The transfer we are waiting for is 8 longwords.
838 */
839 int s, nw, n;
840 EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
841 s = EREAD4(sc, EAP_ADC_CSR);
842 nw = ((s & 0xffff) + 1) >> 2; /* # of words in DMA */
843 n = 0;
844 while (((EREAD4(sc, EAP_ADC_SIZE) >> 16) + 8) % nw == 0) {
845 delay(10);
846 if (++n > 100) {
847 printf("eapintr: DMA fix timeout");
848 break;
849 }
850 }
851 /* Continue with normal interrupt handling. */
852 #endif
853 EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
854 EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
855 if (sc->sc_rintr)
856 sc->sc_rintr(sc->sc_rarg);
857 }
858
859 if (intr & EAP_I_DAC2) {
860 EWRITE4(sc, EAP_SIC, sic & ~EAP_P2_INTR_EN);
861 EWRITE4(sc, EAP_SIC, sic | EAP_P2_INTR_EN);
862 if (sc->sc_ei[EAP_DAC2].ei_pintr)
863 sc->sc_ei[EAP_DAC2].ei_pintr(sc->sc_ei[EAP_DAC2].ei_parg);
864 }
865
866 if (intr & EAP_I_DAC1) {
867 EWRITE4(sc, EAP_SIC, sic & ~EAP_P1_INTR_EN);
868 EWRITE4(sc, EAP_SIC, sic | EAP_P1_INTR_EN);
869 if (sc->sc_ei[EAP_DAC1].ei_pintr)
870 sc->sc_ei[EAP_DAC1].ei_pintr(sc->sc_ei[EAP_DAC1].ei_parg);
871 }
872
873 if (intr & EAP_I_MCCB)
874 panic("eap_intr: unexpected MCCB interrupt");
875 #if NMIDI > 0
876 if (intr & EAP_I_UART) {
877 uint8_t ustat;
878 uint32_t data;
879
880 ustat = EREAD1(sc, EAP_UART_STATUS);
881
882 if (ustat & EAP_US_RXINT) {
883 while (EREAD1(sc, EAP_UART_STATUS) & EAP_US_RXRDY) {
884 data = EREAD1(sc, EAP_UART_DATA);
885 sc->sc_iintr(sc->sc_arg, data);
886 }
887 }
888
889 if (ustat & EAP_US_TXINT)
890 eap_uart_txrdy(sc);
891 }
892 #endif
893 mutex_spin_exit(&sc->sc_intr_lock);
894 return 1;
895 }
896
897 static int
898 eap_allocmem(struct eap_softc *sc, size_t size, size_t align, struct eap_dma *p)
899 {
900 int error;
901
902 p->size = size;
903 error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
904 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
905 &p->nsegs, BUS_DMA_WAITOK);
906 if (error)
907 return error;
908
909 error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
910 &p->addr, BUS_DMA_WAITOK|BUS_DMA_COHERENT);
911 if (error)
912 goto free;
913
914 error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
915 0, BUS_DMA_WAITOK, &p->map);
916 if (error)
917 goto unmap;
918
919 error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
920 BUS_DMA_WAITOK);
921 if (error)
922 goto destroy;
923 return (0);
924
925 destroy:
926 bus_dmamap_destroy(sc->sc_dmatag, p->map);
927 unmap:
928 bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
929 free:
930 bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
931 return error;
932 }
933
934 static int
935 eap_freemem(struct eap_softc *sc, struct eap_dma *p)
936 {
937
938 bus_dmamap_unload(sc->sc_dmatag, p->map);
939 bus_dmamap_destroy(sc->sc_dmatag, p->map);
940 bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
941 bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
942 return 0;
943 }
944
945 static int
946 eap_open(void *addr, int flags)
947 {
948 struct eap_instance *ei;
949
950 ei = addr;
951 /* there is only one ADC */
952 if (ei->index == EAP_I2 && flags & FREAD)
953 return EOPNOTSUPP;
954
955 return 0;
956 }
957
958 static int
959 eap_query_encoding(void *addr, struct audio_encoding *fp)
960 {
961
962 switch (fp->index) {
963 case 0:
964 strcpy(fp->name, AudioEulinear);
965 fp->encoding = AUDIO_ENCODING_ULINEAR;
966 fp->precision = 8;
967 fp->flags = 0;
968 return 0;
969 case 1:
970 strcpy(fp->name, AudioEmulaw);
971 fp->encoding = AUDIO_ENCODING_ULAW;
972 fp->precision = 8;
973 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
974 return 0;
975 case 2:
976 strcpy(fp->name, AudioEalaw);
977 fp->encoding = AUDIO_ENCODING_ALAW;
978 fp->precision = 8;
979 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
980 return 0;
981 case 3:
982 strcpy(fp->name, AudioEslinear);
983 fp->encoding = AUDIO_ENCODING_SLINEAR;
984 fp->precision = 8;
985 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
986 return 0;
987 case 4:
988 strcpy(fp->name, AudioEslinear_le);
989 fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
990 fp->precision = 16;
991 fp->flags = 0;
992 return 0;
993 case 5:
994 strcpy(fp->name, AudioEulinear_le);
995 fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
996 fp->precision = 16;
997 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
998 return 0;
999 case 6:
1000 strcpy(fp->name, AudioEslinear_be);
1001 fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
1002 fp->precision = 16;
1003 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1004 return 0;
1005 case 7:
1006 strcpy(fp->name, AudioEulinear_be);
1007 fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
1008 fp->precision = 16;
1009 fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
1010 return 0;
1011 default:
1012 return EINVAL;
1013 }
1014 }
1015
1016 static int
1017 eap_set_params(void *addr, int setmode, int usemode,
1018 audio_params_t *play, audio_params_t *rec,
1019 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
1020 {
1021 struct eap_instance *ei;
1022 struct eap_softc *sc;
1023 struct audio_params *p;
1024 stream_filter_list_t *fil;
1025 int mode, i;
1026 uint32_t div;
1027
1028 ei = addr;
1029 sc = device_private(ei->parent);
1030 /*
1031 * The es1370 only has one clock, so make the sample rates match.
1032 * This only applies for ADC/DAC2. The FM DAC is handled below.
1033 */
1034 if (!sc->sc_1371 && ei->index == EAP_DAC2) {
1035 if (play->sample_rate != rec->sample_rate &&
1036 usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
1037 if (setmode == AUMODE_PLAY) {
1038 rec->sample_rate = play->sample_rate;
1039 setmode |= AUMODE_RECORD;
1040 } else if (setmode == AUMODE_RECORD) {
1041 play->sample_rate = rec->sample_rate;
1042 setmode |= AUMODE_PLAY;
1043 } else
1044 return EINVAL;
1045 }
1046 }
1047
1048 for (mode = AUMODE_RECORD; mode != -1;
1049 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
1050 if ((setmode & mode) == 0)
1051 continue;
1052
1053 p = mode == AUMODE_PLAY ? play : rec;
1054
1055 if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
1056 (p->precision != 8 && p->precision != 16) ||
1057 (p->channels != 1 && p->channels != 2))
1058 return EINVAL;
1059
1060 fil = mode == AUMODE_PLAY ? pfil : rfil;
1061 i = auconv_set_converter(eap_formats, EAP_NFORMATS,
1062 mode, p, FALSE, fil);
1063 if (i < 0)
1064 return EINVAL;
1065 }
1066
1067 if (sc->sc_1371) {
1068 eap1371_set_dac_rate(ei, play->sample_rate);
1069 eap1371_set_adc_rate(sc, rec->sample_rate);
1070 } else if (ei->index == EAP_DAC2) {
1071 /* Set the speed */
1072 DPRINTFN(2, ("eap_set_params: old ICSC = 0x%08x\n",
1073 EREAD4(sc, EAP_ICSC)));
1074 div = EREAD4(sc, EAP_ICSC) & ~EAP_PCLKBITS;
1075 /*
1076 * XXX
1077 * The -2 isn't documented, but seemed to make the wall
1078 * time match
1079 * what I expect. - mycroft
1080 */
1081 if (usemode == AUMODE_RECORD)
1082 div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ /
1083 rec->sample_rate - 2);
1084 else
1085 div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ /
1086 play->sample_rate - 2);
1087 #if 0
1088 div |= EAP_CCB_INTRM;
1089 #else
1090 /*
1091 * It is not obvious how to acknowledge MCCB interrupts, so
1092 * we had better not enable them.
1093 */
1094 #endif
1095 EWRITE4(sc, EAP_ICSC, div);
1096 DPRINTFN(2, ("eap_set_params: set ICSC = 0x%08x\n", div));
1097 } else {
1098 /*
1099 * The FM DAC has only a few fixed-frequency choises, so
1100 * pick out the best candidate.
1101 */
1102 div = EREAD4(sc, EAP_ICSC);
1103 DPRINTFN(2, ("eap_set_params: old ICSC = 0x%08x\n", div));
1104
1105 div &= ~EAP_WTSRSEL;
1106 if (play->sample_rate < 8268)
1107 div |= EAP_WTSRSEL_5;
1108 else if (play->sample_rate < 16537)
1109 div |= EAP_WTSRSEL_11;
1110 else if (play->sample_rate < 33075)
1111 div |= EAP_WTSRSEL_22;
1112 else
1113 div |= EAP_WTSRSEL_44;
1114
1115 EWRITE4(sc, EAP_ICSC, div);
1116 DPRINTFN(2, ("eap_set_params: set ICSC = 0x%08x\n", div));
1117 }
1118
1119 return 0;
1120 }
1121
1122 static int
1123 eap_round_blocksize(void *addr, int blk, int mode,
1124 const audio_params_t *param)
1125 {
1126
1127 return blk & -32; /* keep good alignment */
1128 }
1129
1130 static int
1131 eap_trigger_output(
1132 void *addr,
1133 void *start,
1134 void *end,
1135 int blksize,
1136 void (*intr)(void *),
1137 void *arg,
1138 const audio_params_t *param)
1139 {
1140 struct eap_instance *ei;
1141 struct eap_softc *sc;
1142 struct eap_dma *p;
1143 uint32_t icsc, sic;
1144 int sampshift;
1145
1146 ei = addr;
1147 sc = device_private(ei->parent);
1148 #ifdef DIAGNOSTIC
1149 if (ei->ei_prun)
1150 panic("eap_trigger_output: already running");
1151 ei->ei_prun = 1;
1152 #endif
1153
1154 DPRINTFN(1, ("eap_trigger_output: sc=%p start=%p end=%p "
1155 "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1156 ei->ei_pintr = intr;
1157 ei->ei_parg = arg;
1158
1159 sic = EREAD4(sc, EAP_SIC);
1160 sic &= ~(EAP_S_EB(ei->index) | EAP_S_MB(ei->index) | EAP_INC_BITS);
1161
1162 if (ei->index == EAP_DAC2)
1163 sic |= EAP_SET_P2_ST_INC(0)
1164 | EAP_SET_P2_END_INC(param->precision / 8);
1165
1166 sampshift = 0;
1167 if (param->precision == 16) {
1168 sic |= EAP_S_EB(ei->index);
1169 sampshift++;
1170 }
1171 if (param->channels == 2) {
1172 sic |= EAP_S_MB(ei->index);
1173 sampshift++;
1174 }
1175 EWRITE4(sc, EAP_SIC, sic & ~EAP_P_INTR_EN(ei->index));
1176 EWRITE4(sc, EAP_SIC, sic | EAP_P_INTR_EN(ei->index));
1177
1178 for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1179 continue;
1180 if (!p) {
1181 printf("eap_trigger_output: bad addr %p\n", start);
1182 return EINVAL;
1183 }
1184
1185 if (ei->index == EAP_DAC2) {
1186 DPRINTF(("eap_trigger_output: DAC2_ADDR=0x%x, DAC2_SIZE=0x%x\n",
1187 (int)DMAADDR(p),
1188 (int)EAP_SET_SIZE(0,
1189 (((char *)end - (char *)start) >> 2) - 1)));
1190 EWRITE4(sc, EAP_MEMPAGE, EAP_DAC_PAGE);
1191 EWRITE4(sc, EAP_DAC2_ADDR, DMAADDR(p));
1192 EWRITE4(sc, EAP_DAC2_SIZE,
1193 EAP_SET_SIZE(0,
1194 ((char *)end - (char *)start) >> 2) - 1);
1195 EWRITE4(sc, EAP_DAC2_CSR, (blksize >> sampshift) - 1);
1196 } else if (ei->index == EAP_DAC1) {
1197 DPRINTF(("eap_trigger_output: DAC1_ADDR=0x%x, DAC1_SIZE=0x%x\n",
1198 (int)DMAADDR(p),
1199 (int)EAP_SET_SIZE(0,
1200 (((char *)end - (char *)start) >> 2) - 1)));
1201 EWRITE4(sc, EAP_MEMPAGE, EAP_DAC_PAGE);
1202 EWRITE4(sc, EAP_DAC1_ADDR, DMAADDR(p));
1203 EWRITE4(sc, EAP_DAC1_SIZE,
1204 EAP_SET_SIZE(0,
1205 ((char *)end - (char *)start) >> 2) - 1);
1206 EWRITE4(sc, EAP_DAC1_CSR, (blksize >> sampshift) - 1);
1207 }
1208 #ifdef DIAGNOSTIC
1209 else
1210 panic("eap_trigger_output: impossible instance %d", ei->index);
1211 #endif
1212
1213 if (sc->sc_1371)
1214 EWRITE4(sc, E1371_SRC, 0);
1215
1216 icsc = EREAD4(sc, EAP_ICSC);
1217 icsc |= EAP_DAC_EN(ei->index);
1218 EWRITE4(sc, EAP_ICSC, icsc);
1219
1220 DPRINTFN(1, ("eap_trigger_output: set ICSC = 0x%08x\n", icsc));
1221
1222 return 0;
1223 }
1224
1225 static int
1226 eap_trigger_input(
1227 void *addr,
1228 void *start,
1229 void *end,
1230 int blksize,
1231 void (*intr)(void *),
1232 void *arg,
1233 const audio_params_t *param)
1234 {
1235 struct eap_instance *ei;
1236 struct eap_softc *sc;
1237 struct eap_dma *p;
1238 uint32_t icsc, sic;
1239 int sampshift;
1240
1241 ei = addr;
1242 sc = device_private(ei->parent);
1243 #ifdef DIAGNOSTIC
1244 if (sc->sc_rrun)
1245 panic("eap_trigger_input: already running");
1246 sc->sc_rrun = 1;
1247 #endif
1248
1249 DPRINTFN(1, ("eap_trigger_input: ei=%p start=%p end=%p blksize=%d intr=%p(%p)\n",
1250 addr, start, end, blksize, intr, arg));
1251 sc->sc_rintr = intr;
1252 sc->sc_rarg = arg;
1253
1254 sic = EREAD4(sc, EAP_SIC);
1255 sic &= ~(EAP_R1_S_EB | EAP_R1_S_MB);
1256 sampshift = 0;
1257 if (param->precision == 16) {
1258 sic |= EAP_R1_S_EB;
1259 sampshift++;
1260 }
1261 if (param->channels == 2) {
1262 sic |= EAP_R1_S_MB;
1263 sampshift++;
1264 }
1265 EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
1266 EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
1267
1268 for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1269 continue;
1270 if (!p) {
1271 printf("eap_trigger_input: bad addr %p\n", start);
1272 return (EINVAL);
1273 }
1274
1275 DPRINTF(("eap_trigger_input: ADC_ADDR=0x%x, ADC_SIZE=0x%x\n",
1276 (int)DMAADDR(p),
1277 (int)EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1)));
1278 EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
1279 EWRITE4(sc, EAP_ADC_ADDR, DMAADDR(p));
1280 EWRITE4(sc, EAP_ADC_SIZE,
1281 EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1));
1282
1283 EWRITE4(sc, EAP_ADC_CSR, (blksize >> sampshift) - 1);
1284
1285 if (sc->sc_1371)
1286 EWRITE4(sc, E1371_SRC, 0);
1287
1288 icsc = EREAD4(sc, EAP_ICSC);
1289 icsc |= EAP_ADC_EN;
1290 EWRITE4(sc, EAP_ICSC, icsc);
1291
1292 DPRINTFN(1, ("eap_trigger_input: set ICSC = 0x%08x\n", icsc));
1293
1294 return 0;
1295 }
1296
1297 static int
1298 eap_halt_output(void *addr)
1299 {
1300 struct eap_instance *ei;
1301 struct eap_softc *sc;
1302 uint32_t icsc;
1303
1304 DPRINTF(("eap: eap_halt_output\n"));
1305 ei = addr;
1306 sc = device_private(ei->parent);
1307 icsc = EREAD4(sc, EAP_ICSC);
1308 EWRITE4(sc, EAP_ICSC, icsc & ~(EAP_DAC_EN(ei->index)));
1309 ei->ei_pintr = 0;
1310 #ifdef DIAGNOSTIC
1311 ei->ei_prun = 0;
1312 #endif
1313
1314 return 0;
1315 }
1316
1317 static int
1318 eap_halt_input(void *addr)
1319 {
1320 struct eap_instance *ei;
1321 struct eap_softc *sc;
1322 uint32_t icsc;
1323
1324 #define EAP_USE_FMDAC_ALSO
1325 DPRINTF(("eap: eap_halt_input\n"));
1326 ei = addr;
1327 sc = device_private(ei->parent);
1328 icsc = EREAD4(sc, EAP_ICSC);
1329 EWRITE4(sc, EAP_ICSC, icsc & ~EAP_ADC_EN);
1330 sc->sc_rintr = 0;
1331 #ifdef DIAGNOSTIC
1332 sc->sc_rrun = 0;
1333 #endif
1334
1335 return 0;
1336 }
1337
1338 static int
1339 eap_getdev(void *addr, struct audio_device *retp)
1340 {
1341
1342 *retp = eap_device;
1343 return 0;
1344 }
1345
1346 static int
1347 eap1371_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1348 {
1349 struct eap_instance *ei;
1350 struct eap_softc *sc;
1351
1352 ei = addr;
1353 sc = device_private(ei->parent);
1354 return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
1355 }
1356
1357 static int
1358 eap1371_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1359 {
1360 struct eap_instance *ei;
1361 struct eap_softc *sc;
1362
1363 ei = addr;
1364 sc = device_private(ei->parent);
1365 return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
1366 }
1367
1368 static int
1369 eap1371_query_devinfo(void *addr, mixer_devinfo_t *dip)
1370 {
1371 struct eap_instance *ei;
1372 struct eap_softc *sc;
1373
1374 ei = addr;
1375 sc = device_private(ei->parent);
1376 return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
1377 }
1378
1379 static void
1380 eap1370_set_mixer(struct eap_softc *sc, int a, int d)
1381 {
1382 eap1370_write_codec(sc, a, d);
1383
1384 sc->sc_port[a] = d;
1385 DPRINTFN(1, ("eap1370_mixer_set_port port 0x%02x = 0x%02x\n", a, d));
1386 }
1387
1388 static int
1389 eap1370_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1390 {
1391 struct eap_instance *ei;
1392 struct eap_softc *sc;
1393 int lval, rval, l, r, la, ra;
1394 int l1, r1, l2, r2, m, o1, o2;
1395
1396 ei = addr;
1397 sc = device_private(ei->parent);
1398 if (cp->dev == EAP_RECORD_SOURCE) {
1399 if (cp->type != AUDIO_MIXER_SET)
1400 return EINVAL;
1401 m = sc->sc_record_source = cp->un.mask;
1402 l1 = l2 = r1 = r2 = 0;
1403 if (m & (1 << EAP_VOICE_VOL))
1404 l2 |= AK_M_VOICE, r2 |= AK_M_VOICE;
1405 if (m & (1 << EAP_FM_VOL))
1406 l1 |= AK_M_FM_L, r1 |= AK_M_FM_R;
1407 if (m & (1 << EAP_CD_VOL))
1408 l1 |= AK_M_CD_L, r1 |= AK_M_CD_R;
1409 if (m & (1 << EAP_LINE_VOL))
1410 l1 |= AK_M_LINE_L, r1 |= AK_M_LINE_R;
1411 if (m & (1 << EAP_AUX_VOL))
1412 l2 |= AK_M2_AUX_L, r2 |= AK_M2_AUX_R;
1413 if (m & (1 << EAP_MIC_VOL))
1414 l2 |= AK_M_TMIC, r2 |= AK_M_TMIC;
1415 eap1370_set_mixer(sc, AK_IN_MIXER1_L, l1);
1416 eap1370_set_mixer(sc, AK_IN_MIXER1_R, r1);
1417 eap1370_set_mixer(sc, AK_IN_MIXER2_L, l2);
1418 eap1370_set_mixer(sc, AK_IN_MIXER2_R, r2);
1419 return 0;
1420 }
1421 if (cp->dev == EAP_INPUT_SOURCE) {
1422 if (cp->type != AUDIO_MIXER_SET)
1423 return EINVAL;
1424 m = sc->sc_input_source = cp->un.mask;
1425 o1 = o2 = 0;
1426 if (m & (1 << EAP_VOICE_VOL))
1427 o2 |= AK_M_VOICE_L | AK_M_VOICE_R;
1428 if (m & (1 << EAP_FM_VOL))
1429 o1 |= AK_M_FM_L | AK_M_FM_R;
1430 if (m & (1 << EAP_CD_VOL))
1431 o1 |= AK_M_CD_L | AK_M_CD_R;
1432 if (m & (1 << EAP_LINE_VOL))
1433 o1 |= AK_M_LINE_L | AK_M_LINE_R;
1434 if (m & (1 << EAP_AUX_VOL))
1435 o2 |= AK_M_AUX_L | AK_M_AUX_R;
1436 if (m & (1 << EAP_MIC_VOL))
1437 o1 |= AK_M_MIC;
1438 eap1370_set_mixer(sc, AK_OUT_MIXER1, o1);
1439 eap1370_set_mixer(sc, AK_OUT_MIXER2, o2);
1440 return 0;
1441 }
1442 if (cp->dev == EAP_MIC_PREAMP) {
1443 if (cp->type != AUDIO_MIXER_ENUM)
1444 return EINVAL;
1445 if (cp->un.ord != 0 && cp->un.ord != 1)
1446 return EINVAL;
1447 sc->sc_mic_preamp = cp->un.ord;
1448 eap1370_set_mixer(sc, AK_MGAIN, cp->un.ord);
1449 return 0;
1450 }
1451 if (cp->type != AUDIO_MIXER_VALUE)
1452 return EINVAL;
1453 if (cp->un.value.num_channels == 1)
1454 lval = rval = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
1455 else if (cp->un.value.num_channels == 2) {
1456 lval = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
1457 rval = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
1458 } else
1459 return EINVAL;
1460 ra = -1;
1461 switch (cp->dev) {
1462 case EAP_MASTER_VOL:
1463 l = VOL_TO_ATT5(lval);
1464 r = VOL_TO_ATT5(rval);
1465 la = AK_MASTER_L;
1466 ra = AK_MASTER_R;
1467 break;
1468 case EAP_MIC_VOL:
1469 if (cp->un.value.num_channels != 1)
1470 return EINVAL;
1471 la = AK_MIC;
1472 goto lr;
1473 case EAP_VOICE_VOL:
1474 la = AK_VOICE_L;
1475 ra = AK_VOICE_R;
1476 goto lr;
1477 case EAP_FM_VOL:
1478 la = AK_FM_L;
1479 ra = AK_FM_R;
1480 goto lr;
1481 case EAP_CD_VOL:
1482 la = AK_CD_L;
1483 ra = AK_CD_R;
1484 goto lr;
1485 case EAP_LINE_VOL:
1486 la = AK_LINE_L;
1487 ra = AK_LINE_R;
1488 goto lr;
1489 case EAP_AUX_VOL:
1490 la = AK_AUX_L;
1491 ra = AK_AUX_R;
1492 lr:
1493 l = VOL_TO_GAIN5(lval);
1494 r = VOL_TO_GAIN5(rval);
1495 break;
1496 default:
1497 return EINVAL;
1498 }
1499 eap1370_set_mixer(sc, la, l);
1500 if (ra >= 0) {
1501 eap1370_set_mixer(sc, ra, r);
1502 }
1503 return 0;
1504 }
1505
1506 static int
1507 eap1370_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1508 {
1509 struct eap_instance *ei;
1510 struct eap_softc *sc;
1511 int la, ra, l, r;
1512
1513 ei = addr;
1514 sc = device_private(ei->parent);
1515 switch (cp->dev) {
1516 case EAP_RECORD_SOURCE:
1517 if (cp->type != AUDIO_MIXER_SET)
1518 return EINVAL;
1519 cp->un.mask = sc->sc_record_source;
1520 return 0;
1521 case EAP_INPUT_SOURCE:
1522 if (cp->type != AUDIO_MIXER_SET)
1523 return EINVAL;
1524 cp->un.mask = sc->sc_input_source;
1525 return 0;
1526 case EAP_MIC_PREAMP:
1527 if (cp->type != AUDIO_MIXER_ENUM)
1528 return EINVAL;
1529 cp->un.ord = sc->sc_mic_preamp;
1530 return 0;
1531 case EAP_MASTER_VOL:
1532 l = ATT5_TO_VOL(sc->sc_port[AK_MASTER_L]);
1533 r = ATT5_TO_VOL(sc->sc_port[AK_MASTER_R]);
1534 break;
1535 case EAP_MIC_VOL:
1536 if (cp->un.value.num_channels != 1)
1537 return EINVAL;
1538 la = ra = AK_MIC;
1539 goto lr;
1540 case EAP_VOICE_VOL:
1541 la = AK_VOICE_L;
1542 ra = AK_VOICE_R;
1543 goto lr;
1544 case EAP_FM_VOL:
1545 la = AK_FM_L;
1546 ra = AK_FM_R;
1547 goto lr;
1548 case EAP_CD_VOL:
1549 la = AK_CD_L;
1550 ra = AK_CD_R;
1551 goto lr;
1552 case EAP_LINE_VOL:
1553 la = AK_LINE_L;
1554 ra = AK_LINE_R;
1555 goto lr;
1556 case EAP_AUX_VOL:
1557 la = AK_AUX_L;
1558 ra = AK_AUX_R;
1559 lr:
1560 l = GAIN5_TO_VOL(sc->sc_port[la]);
1561 r = GAIN5_TO_VOL(sc->sc_port[ra]);
1562 break;
1563 default:
1564 return EINVAL;
1565 }
1566 if (cp->un.value.num_channels == 1)
1567 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = (l+r) / 2;
1568 else if (cp->un.value.num_channels == 2) {
1569 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
1570 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
1571 } else
1572 return EINVAL;
1573 return 0;
1574 }
1575
1576 static int
1577 eap1370_query_devinfo(void *addr, mixer_devinfo_t *dip)
1578 {
1579
1580 switch (dip->index) {
1581 case EAP_MASTER_VOL:
1582 dip->type = AUDIO_MIXER_VALUE;
1583 dip->mixer_class = EAP_OUTPUT_CLASS;
1584 dip->prev = dip->next = AUDIO_MIXER_LAST;
1585 strcpy(dip->label.name, AudioNmaster);
1586 dip->un.v.num_channels = 2;
1587 dip->un.v.delta = 8;
1588 strcpy(dip->un.v.units.name, AudioNvolume);
1589 return 0;
1590 case EAP_VOICE_VOL:
1591 dip->type = AUDIO_MIXER_VALUE;
1592 dip->mixer_class = EAP_INPUT_CLASS;
1593 dip->prev = AUDIO_MIXER_LAST;
1594 dip->next = AUDIO_MIXER_LAST;
1595 strcpy(dip->label.name, AudioNdac);
1596 dip->un.v.num_channels = 2;
1597 dip->un.v.delta = 8;
1598 strcpy(dip->un.v.units.name, AudioNvolume);
1599 return 0;
1600 case EAP_FM_VOL:
1601 dip->type = AUDIO_MIXER_VALUE;
1602 dip->mixer_class = EAP_INPUT_CLASS;
1603 dip->prev = AUDIO_MIXER_LAST;
1604 dip->next = AUDIO_MIXER_LAST;
1605 strcpy(dip->label.name, AudioNfmsynth);
1606 dip->un.v.num_channels = 2;
1607 dip->un.v.delta = 8;
1608 strcpy(dip->un.v.units.name, AudioNvolume);
1609 return 0;
1610 case EAP_CD_VOL:
1611 dip->type = AUDIO_MIXER_VALUE;
1612 dip->mixer_class = EAP_INPUT_CLASS;
1613 dip->prev = AUDIO_MIXER_LAST;
1614 dip->next = AUDIO_MIXER_LAST;
1615 strcpy(dip->label.name, AudioNcd);
1616 dip->un.v.num_channels = 2;
1617 dip->un.v.delta = 8;
1618 strcpy(dip->un.v.units.name, AudioNvolume);
1619 return 0;
1620 case EAP_LINE_VOL:
1621 dip->type = AUDIO_MIXER_VALUE;
1622 dip->mixer_class = EAP_INPUT_CLASS;
1623 dip->prev = AUDIO_MIXER_LAST;
1624 dip->next = AUDIO_MIXER_LAST;
1625 strcpy(dip->label.name, AudioNline);
1626 dip->un.v.num_channels = 2;
1627 dip->un.v.delta = 8;
1628 strcpy(dip->un.v.units.name, AudioNvolume);
1629 return 0;
1630 case EAP_AUX_VOL:
1631 dip->type = AUDIO_MIXER_VALUE;
1632 dip->mixer_class = EAP_INPUT_CLASS;
1633 dip->prev = AUDIO_MIXER_LAST;
1634 dip->next = AUDIO_MIXER_LAST;
1635 strcpy(dip->label.name, AudioNaux);
1636 dip->un.v.num_channels = 2;
1637 dip->un.v.delta = 8;
1638 strcpy(dip->un.v.units.name, AudioNvolume);
1639 return 0;
1640 case EAP_MIC_VOL:
1641 dip->type = AUDIO_MIXER_VALUE;
1642 dip->mixer_class = EAP_INPUT_CLASS;
1643 dip->prev = AUDIO_MIXER_LAST;
1644 dip->next = EAP_MIC_PREAMP;
1645 strcpy(dip->label.name, AudioNmicrophone);
1646 dip->un.v.num_channels = 1;
1647 dip->un.v.delta = 8;
1648 strcpy(dip->un.v.units.name, AudioNvolume);
1649 return 0;
1650 case EAP_RECORD_SOURCE:
1651 dip->mixer_class = EAP_RECORD_CLASS;
1652 dip->prev = dip->next = AUDIO_MIXER_LAST;
1653 strcpy(dip->label.name, AudioNsource);
1654 dip->type = AUDIO_MIXER_SET;
1655 dip->un.s.num_mem = 6;
1656 strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1657 dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1658 strcpy(dip->un.s.member[1].label.name, AudioNcd);
1659 dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1660 strcpy(dip->un.s.member[2].label.name, AudioNline);
1661 dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1662 strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1663 dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1664 strcpy(dip->un.s.member[4].label.name, AudioNaux);
1665 dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1666 strcpy(dip->un.s.member[5].label.name, AudioNdac);
1667 dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1668 return 0;
1669 case EAP_INPUT_SOURCE:
1670 dip->mixer_class = EAP_INPUT_CLASS;
1671 dip->prev = dip->next = AUDIO_MIXER_LAST;
1672 strcpy(dip->label.name, AudioNsource);
1673 dip->type = AUDIO_MIXER_SET;
1674 dip->un.s.num_mem = 6;
1675 strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1676 dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1677 strcpy(dip->un.s.member[1].label.name, AudioNcd);
1678 dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1679 strcpy(dip->un.s.member[2].label.name, AudioNline);
1680 dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1681 strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1682 dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1683 strcpy(dip->un.s.member[4].label.name, AudioNaux);
1684 dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1685 strcpy(dip->un.s.member[5].label.name, AudioNdac);
1686 dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1687 return 0;
1688 case EAP_MIC_PREAMP:
1689 dip->type = AUDIO_MIXER_ENUM;
1690 dip->mixer_class = EAP_INPUT_CLASS;
1691 dip->prev = EAP_MIC_VOL;
1692 dip->next = AUDIO_MIXER_LAST;
1693 strcpy(dip->label.name, AudioNpreamp);
1694 dip->un.e.num_mem = 2;
1695 strcpy(dip->un.e.member[0].label.name, AudioNoff);
1696 dip->un.e.member[0].ord = 0;
1697 strcpy(dip->un.e.member[1].label.name, AudioNon);
1698 dip->un.e.member[1].ord = 1;
1699 return 0;
1700 case EAP_OUTPUT_CLASS:
1701 dip->type = AUDIO_MIXER_CLASS;
1702 dip->mixer_class = EAP_OUTPUT_CLASS;
1703 dip->next = dip->prev = AUDIO_MIXER_LAST;
1704 strcpy(dip->label.name, AudioCoutputs);
1705 return 0;
1706 case EAP_RECORD_CLASS:
1707 dip->type = AUDIO_MIXER_CLASS;
1708 dip->mixer_class = EAP_RECORD_CLASS;
1709 dip->next = dip->prev = AUDIO_MIXER_LAST;
1710 strcpy(dip->label.name, AudioCrecord);
1711 return 0;
1712 case EAP_INPUT_CLASS:
1713 dip->type = AUDIO_MIXER_CLASS;
1714 dip->mixer_class = EAP_INPUT_CLASS;
1715 dip->next = dip->prev = AUDIO_MIXER_LAST;
1716 strcpy(dip->label.name, AudioCinputs);
1717 return 0;
1718 }
1719 return ENXIO;
1720 }
1721
1722 static void *
1723 eap_malloc(void *addr, int direction, size_t size)
1724 {
1725 struct eap_instance *ei;
1726 struct eap_softc *sc;
1727 struct eap_dma *p;
1728 int error;
1729
1730 p = kmem_alloc(sizeof(*p), KM_SLEEP);
1731 if (!p)
1732 return NULL;
1733 ei = addr;
1734 sc = device_private(ei->parent);
1735 error = eap_allocmem(sc, size, 16, p);
1736 if (error) {
1737 kmem_free(p, sizeof(*p));
1738 return NULL;
1739 }
1740 p->next = sc->sc_dmas;
1741 sc->sc_dmas = p;
1742 return KERNADDR(p);
1743 }
1744
1745 static void
1746 eap_free(void *addr, void *ptr, size_t size)
1747 {
1748 struct eap_instance *ei;
1749 struct eap_softc *sc;
1750 struct eap_dma **pp, *p;
1751
1752 ei = addr;
1753 sc = device_private(ei->parent);
1754 for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1755 if (KERNADDR(p) == ptr) {
1756 eap_freemem(sc, p);
1757 *pp = p->next;
1758 kmem_free(p, sizeof(*p));
1759 return;
1760 }
1761 }
1762 }
1763
1764 static size_t
1765 eap_round_buffersize(void *addr, int direction, size_t size)
1766 {
1767
1768 return size;
1769 }
1770
1771 static paddr_t
1772 eap_mappage(void *addr, void *mem, off_t off, int prot)
1773 {
1774 struct eap_instance *ei;
1775 struct eap_softc *sc;
1776 struct eap_dma *p;
1777
1778 if (off < 0)
1779 return -1;
1780 ei = addr;
1781 sc = device_private(ei->parent);
1782 for (p = sc->sc_dmas; p && KERNADDR(p) != mem; p = p->next)
1783 continue;
1784 if (!p)
1785 return -1;
1786
1787 return bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
1788 off, prot, BUS_DMA_WAITOK);
1789 }
1790
1791 static int
1792 eap_get_props(void *addr)
1793 {
1794
1795 return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
1796 AUDIO_PROP_FULLDUPLEX;
1797 }
1798
1799 static void
1800 eap_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
1801 {
1802 struct eap_instance *ei;
1803 struct eap_softc *sc;
1804
1805 ei = addr;
1806 sc = device_private(ei->parent);
1807 *intr = &sc->sc_intr_lock;
1808 *thread = &sc->sc_lock;
1809 }
1810
1811 #if NMIDI > 0
1812 static int
1813 eap_midi_open(void *addr, int flags,
1814 void (*iintr)(void *, int),
1815 void (*ointr)(void *),
1816 void *arg)
1817 {
1818 struct eap_softc *sc;
1819 uint8_t uctrl;
1820
1821 sc = addr;
1822 sc->sc_arg = arg;
1823
1824 EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) | EAP_UART_EN);
1825 uctrl = 0;
1826 if (flags & FREAD) {
1827 uctrl |= EAP_UC_RXINTEN;
1828 sc->sc_iintr = iintr;
1829 }
1830 if (flags & FWRITE)
1831 sc->sc_ointr = ointr;
1832 EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1833
1834 return 0;
1835 }
1836
1837 static void
1838 eap_midi_close(void *addr)
1839 {
1840 struct eap_softc *sc;
1841
1842 sc = addr;
1843 /* give uart a chance to drain */
1844 (void)kpause("eapclm", false, hz/10, &sc->sc_intr_lock);
1845 EWRITE1(sc, EAP_UART_CONTROL, 0);
1846 EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) & ~EAP_UART_EN);
1847
1848 sc->sc_iintr = 0;
1849 sc->sc_ointr = 0;
1850 }
1851
1852 static int
1853 eap_midi_output(void *addr, int d)
1854 {
1855 struct eap_softc *sc;
1856 uint8_t uctrl;
1857
1858 sc = addr;
1859 EWRITE1(sc, EAP_UART_DATA, d);
1860
1861 uctrl = EAP_UC_TXINTEN;
1862 if (sc->sc_iintr)
1863 uctrl |= EAP_UC_RXINTEN;
1864 /*
1865 * This is a write-only register, so we have to remember the right
1866 * value of RXINTEN as well as setting TXINTEN. But if we are open
1867 * for reading, it will always be correct to set RXINTEN here; only
1868 * during service of a receive interrupt could it be momentarily
1869 * toggled off, and whether we got here from the top half or from
1870 * an interrupt, that won't be the current state.
1871 */
1872 EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1873 return 0;
1874 }
1875
1876 static void
1877 eap_midi_getinfo(void *addr, struct midi_info *mi)
1878 {
1879 mi->name = "AudioPCI MIDI UART";
1880 mi->props = MIDI_PROP_CAN_INPUT | MIDI_PROP_OUT_INTR;
1881 }
1882
1883 static void
1884 eap_uart_txrdy(struct eap_softc *sc)
1885 {
1886 uint8_t uctrl;
1887 uctrl = 0;
1888 if (sc->sc_iintr)
1889 uctrl = EAP_UC_RXINTEN;
1890 EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1891 sc->sc_ointr(sc->sc_arg);
1892 }
1893
1894 #endif
1895