gcscaudio.c revision 1.5.2.2 1 /* $NetBSD: gcscaudio.c,v 1.5.2.2 2011/06/12 00:24:15 rmind Exp $ */
2
3 /*-
4 * Copyright (c) 2008 SHIMIZU Ryo <ryo (at) nerv.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: gcscaudio.c,v 1.5.2.2 2011/06/12 00:24:15 rmind Exp $");
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/malloc.h>
35 #include <sys/device.h>
36 #include <sys/queue.h>
37
38 #include <dev/pci/pcidevs.h>
39 #include <dev/pci/pcivar.h>
40
41 #include <sys/audioio.h>
42 #include <dev/audio_if.h>
43 #include <dev/mulaw.h>
44 #include <dev/auconv.h>
45 #include <dev/ic/ac97reg.h>
46 #include <dev/ic/ac97var.h>
47
48 #include <dev/pci/gcscaudioreg.h>
49
50
51 #define GCSCAUDIO_NPRDTABLE 256 /* including a JMP-PRD for loop */
52 #define GCSCAUDIO_PRD_SIZE_MAX 65532 /* limited by CS5536 Controller */
53 #define GCSCAUDIO_BUFSIZE_MAX (GCSCAUDIO_PRD_SIZE_MAX * (GCSCAUDIO_NPRDTABLE - 1))
54
55 struct gcscaudio_prd {
56 /* PRD table for play/rec */
57 struct gcscaudio_prdtables {
58 #define PRD_TABLE_FRONT 0
59 #define PRD_TABLE_SURR 1
60 #define PRD_TABLE_CENTER 2
61 #define PRD_TABLE_LFE 3
62 #define PRD_TABLE_REC 4
63 #define PRD_TABLE_MAX 5
64 struct acc_prd prdtbl[PRD_TABLE_MAX][GCSCAUDIO_NPRDTABLE];
65 } *p_prdtables;
66 bus_dmamap_t p_prdmap;
67 bus_dma_segment_t p_prdsegs[1];
68 int p_prdnseg;
69 };
70
71 struct gcscaudio_dma {
72 LIST_ENTRY(gcscaudio_dma) list;
73 bus_dmamap_t map;
74 void *addr;
75 size_t size;
76 bus_dma_segment_t segs[1];
77 int nseg;
78 };
79
80 struct gcscaudio_softc_ch {
81 void (*ch_intr)(void *);
82 void *ch_intr_arg;
83 struct audio_params ch_params;
84 };
85
86 struct gcscaudio_softc {
87 struct device sc_dev;
88 pci_chipset_tag_t sc_pc;
89 pcitag_t sc_pt;
90 void *sc_ih;
91 bus_space_tag_t sc_iot;
92 bus_space_handle_t sc_ioh;
93 bus_size_t sc_ios;
94 bus_dma_tag_t sc_dmat;
95
96 /* allocated DMA buffer list */
97 LIST_HEAD(, gcscaudio_dma) sc_dmalist;
98
99 #define GCSCAUDIO_MAXFORMATS 4
100 struct audio_format sc_formats[GCSCAUDIO_MAXFORMATS];
101 int sc_nformats;
102 struct audio_encoding_set *sc_encodings;
103
104 /* AC97 codec */
105 struct ac97_host_if host_if;
106 struct ac97_codec_if *codec_if;
107
108 /* input, output channels */
109 struct gcscaudio_softc_ch sc_play;
110 struct gcscaudio_softc_ch sc_rec;
111 struct gcscaudio_prd sc_prd;
112
113 /* multi channel splitter work; {4,6}ch stream to {2,4} DMA buffers */
114 void *sc_mch_split_buf;
115 void *sc_mch_split_start;
116 int sc_mch_split_off;
117 int sc_mch_split_size;
118 int sc_mch_split_blksize;
119 void (*sc_mch_splitter)(void *, void *, int, int);
120 bool sc_spdif;
121 };
122
123 /* for cfattach */
124 static int gcscaudio_match(device_t, cfdata_t, void *);
125 static void gcscaudio_attach(device_t, device_t, void *);
126
127 /* for audio_hw_if */
128 static int gcscaudio_open(void *, int);
129 static void gcscaudio_close(void *);
130 static int gcscaudio_query_encoding(void *, struct audio_encoding *);
131 static int gcscaudio_set_params(void *, int, int, audio_params_t *,
132 audio_params_t *, stream_filter_list_t *,
133 stream_filter_list_t *);
134 static int gcscaudio_round_blocksize(void *, int, int, const audio_params_t *);
135 static int gcscaudio_halt_output(void *);
136 static int gcscaudio_halt_input(void *);
137 static int gcscaudio_getdev(void *, struct audio_device *);
138 static int gcscaudio_set_port(void *, mixer_ctrl_t *);
139 static int gcscaudio_get_port(void *, mixer_ctrl_t *);
140 static int gcscaudio_query_devinfo(void *, mixer_devinfo_t *);
141 static void *gcscaudio_malloc(void *, int, size_t, struct malloc_type *, int);
142 static void gcscaudio_free(void *, void *, struct malloc_type *);
143 static size_t gcscaudio_round_buffersize(void *, int, size_t);
144 static paddr_t gcscaudio_mappage(void *, void *, off_t, int);
145 static int gcscaudio_get_props(void *);
146 static int gcscaudio_trigger_output(void *, void *, void *, int,
147 void (*)(void *), void *,
148 const audio_params_t *);
149 static int gcscaudio_trigger_input(void *, void *, void *, int,
150 void (*)(void *), void *,
151 const audio_params_t *);
152 static bool gcscaudio_resume(device_t, const pmf_qual_t *);
153 static int gcscaudio_intr(void *);
154
155 /* for codec_if */
156 static int gcscaudio_attach_codec(void *, struct ac97_codec_if *);
157 static int gcscaudio_write_codec(void *, uint8_t, uint16_t);
158 static int gcscaudio_read_codec(void *, uint8_t, uint16_t *);
159 static int gcscaudio_reset_codec(void *);
160 static void gcscaudio_spdif_event_codec(void *, bool);
161
162 /* misc */
163 static int gcscaudio_append_formats(struct gcscaudio_softc *,
164 const struct audio_format *);
165 static int gcscaudio_wait_ready_codec(struct gcscaudio_softc *sc, const char *);
166 static int gcscaudio_set_params_ch(struct gcscaudio_softc *,
167 struct gcscaudio_softc_ch *, int,
168 audio_params_t *, stream_filter_list_t *);
169 static int gcscaudio_allocate_dma(struct gcscaudio_softc *, size_t, void **,
170 bus_dma_segment_t *, int, int *,
171 int, bus_dmamap_t *);
172
173
174 CFATTACH_DECL(gcscaudio, sizeof (struct gcscaudio_softc),
175 gcscaudio_match, gcscaudio_attach, NULL, NULL);
176
177
178 static struct audio_device gcscaudio_device = {
179 "AMD Geode CS5536",
180 "",
181 "gcscaudio"
182 };
183
184 static const struct audio_hw_if gcscaudio_hw_if = {
185 .open = gcscaudio_open,
186 .close = gcscaudio_close,
187 .drain = NULL,
188 .query_encoding = gcscaudio_query_encoding,
189 .set_params = gcscaudio_set_params,
190 .round_blocksize = gcscaudio_round_blocksize,
191 .commit_settings = NULL,
192 .init_output = NULL,
193 .init_input = NULL,
194 .start_output = NULL,
195 .start_input = NULL,
196 .halt_output = gcscaudio_halt_output,
197 .halt_input = gcscaudio_halt_input,
198 .speaker_ctl = NULL,
199 .getdev = gcscaudio_getdev,
200 .setfd = NULL,
201 .set_port = gcscaudio_set_port,
202 .get_port = gcscaudio_get_port,
203 .query_devinfo = gcscaudio_query_devinfo,
204 .allocm = gcscaudio_malloc,
205 .freem = gcscaudio_free,
206 .round_buffersize = gcscaudio_round_buffersize,
207 .mappage = gcscaudio_mappage,
208 .get_props = gcscaudio_get_props,
209 .trigger_output = gcscaudio_trigger_output,
210 .trigger_input = gcscaudio_trigger_input,
211 .dev_ioctl = NULL,
212 .powerstate = NULL
213 };
214
215 static const struct audio_format gcscaudio_formats_2ch = {
216 NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
217 2, AUFMT_STEREO, 0, {8000, 48000}
218 };
219
220 static const struct audio_format gcscaudio_formats_4ch = {
221 NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
222 4, AUFMT_SURROUND4, 0, {8000, 48000}
223 };
224
225 static const struct audio_format gcscaudio_formats_6ch = {
226 NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
227 6, AUFMT_DOLBY_5_1, 0, {8000, 48000}
228 };
229
230 static int
231 gcscaudio_match(device_t parent, cfdata_t match, void *aux)
232 {
233 struct pci_attach_args *pa;
234
235 pa = (struct pci_attach_args *)aux;
236 if ((PCI_VENDOR(pa->pa_id) == PCI_VENDOR_AMD) &&
237 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_AMD_CS5536_AUDIO))
238 return 1;
239
240 return 0;
241 }
242
243 static int
244 gcscaudio_append_formats(struct gcscaudio_softc *sc,
245 const struct audio_format *format)
246 {
247 if (sc->sc_nformats >= GCSCAUDIO_MAXFORMATS) {
248 aprint_error_dev(&sc->sc_dev, "too many formats\n");
249 return EINVAL;
250 }
251 sc->sc_formats[sc->sc_nformats++] = *format;
252 return 0;
253 }
254
255 static void
256 gcscaudio_attach(device_t parent, device_t self, void *aux)
257 {
258 struct gcscaudio_softc *sc;
259 struct pci_attach_args *pa;
260 const char *intrstr;
261 pci_intr_handle_t ih;
262 int rc, i;
263
264 sc = device_private(self);
265
266 aprint_naive(": Audio controller\n");
267
268 pa = aux;
269 sc->sc_pc = pa->pa_pc;
270 sc->sc_pt = pa->pa_tag;
271 sc->sc_dmat = pa->pa_dmat;
272 LIST_INIT(&sc->sc_dmalist);
273 sc->sc_mch_split_buf = NULL;
274
275 aprint_normal(": AMD Geode CS5536 Audio\n");
276
277 if (pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0,
278 &sc->sc_iot, &sc->sc_ioh, NULL, &sc->sc_ios)) {
279 aprint_error_dev(&sc->sc_dev, "can't map i/o space\n");
280 return;
281 }
282
283 if (pci_intr_map(pa, &ih)) {
284 aprint_error_dev(&sc->sc_dev, "couldn't map interrupt\n");
285 goto attach_failure_unmap;
286 }
287 intrstr = pci_intr_string(sc->sc_pc, ih);
288
289 sc->sc_ih = pci_intr_establish(sc->sc_pc, ih, IPL_AUDIO,
290 gcscaudio_intr, sc);
291 if (sc->sc_ih == NULL) {
292 aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt");
293 if (intrstr != NULL)
294 aprint_error(" at %s", intrstr);
295 aprint_error("\n");
296 goto attach_failure_unmap;
297 }
298
299 aprint_normal_dev(&sc->sc_dev, "interrupting at %s\n", intrstr);
300
301
302 if (gcscaudio_allocate_dma(sc, sizeof(*sc->sc_prd.p_prdtables),
303 (void **)&(sc->sc_prd.p_prdtables), sc->sc_prd.p_prdsegs, 1,
304 &(sc->sc_prd.p_prdnseg), M_WAITOK, &(sc->sc_prd.p_prdmap)) != 0)
305 goto attach_failure_intr;
306
307 sc->host_if.arg = sc;
308 sc->host_if.attach = gcscaudio_attach_codec;
309 sc->host_if.read = gcscaudio_read_codec;
310 sc->host_if.write = gcscaudio_write_codec;
311 sc->host_if.reset = gcscaudio_reset_codec;
312 sc->host_if.spdif_event = gcscaudio_spdif_event_codec;
313
314 if ((rc = ac97_attach(&sc->host_if, self)) != 0) {
315 aprint_error_dev(&sc->sc_dev,
316 "can't attach codec (error=%d)\n", rc);
317 goto attach_failure_intr;
318 }
319
320 if (!pmf_device_register(self, NULL, gcscaudio_resume))
321 aprint_error_dev(self, "couldn't establish power handler\n");
322
323
324 sc->sc_nformats = 0;
325 gcscaudio_append_formats(sc, &gcscaudio_formats_2ch);
326 if (AC97_IS_4CH(sc->codec_if))
327 gcscaudio_append_formats(sc, &gcscaudio_formats_4ch);
328 if (AC97_IS_6CH(sc->codec_if))
329 gcscaudio_append_formats(sc, &gcscaudio_formats_6ch);
330 if (AC97_IS_FIXED_RATE(sc->codec_if)) {
331 for (i = 0; i < sc->sc_nformats; i++) {
332 sc->sc_formats[i].frequency_type = 1;
333 sc->sc_formats[i].frequency[0] = 48000;
334 }
335 }
336
337 if ((rc = auconv_create_encodings(sc->sc_formats, sc->sc_nformats,
338 &sc->sc_encodings)) != 0) {
339 aprint_error_dev(self,
340 "auconv_create_encoding: error=%d\n", rc);
341 goto attach_failure_codec;
342 }
343
344 audio_attach_mi(&gcscaudio_hw_if, sc, &sc->sc_dev);
345 sc->codec_if->vtbl->unlock(sc->codec_if);
346 return;
347
348 attach_failure_codec:
349 sc->codec_if->vtbl->detach(sc->codec_if);
350 attach_failure_intr:
351 pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
352 attach_failure_unmap:
353 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios);
354 return;
355 }
356
357 static int
358 gcscaudio_attach_codec(void *arg, struct ac97_codec_if *codec_if)
359 {
360 struct gcscaudio_softc *sc;
361
362 sc = (struct gcscaudio_softc *)arg;
363 sc->codec_if = codec_if;
364 return 0;
365 }
366
367 static int
368 gcscaudio_reset_codec(void *arg)
369 {
370 struct gcscaudio_softc *sc;
371 sc = (struct gcscaudio_softc *)arg;
372
373 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_CODEC_CNTL,
374 ACC_CODEC_CNTL_LNK_WRM_RST |
375 ACC_CODEC_CNTL_CMD_NEW);
376
377 if (gcscaudio_wait_ready_codec(sc, "reset timeout\n"))
378 return 1;
379
380 return 0;
381 }
382
383 static void
384 gcscaudio_spdif_event_codec(void *arg, bool flag)
385 {
386 struct gcscaudio_softc *sc;
387
388 sc = (struct gcscaudio_softc *)arg;
389 sc->sc_spdif = flag;
390 }
391
392 static int
393 gcscaudio_wait_ready_codec(struct gcscaudio_softc *sc, const char *timeout_msg)
394 {
395 int i;
396
397 #define GCSCAUDIO_WAIT_READY_CODEC_TIMEOUT 500
398 for (i = GCSCAUDIO_WAIT_READY_CODEC_TIMEOUT; (i >= 0) &&
399 (bus_space_read_4(sc->sc_iot, sc->sc_ioh, ACC_CODEC_CNTL) &
400 ACC_CODEC_CNTL_CMD_NEW); i--)
401 delay(1);
402
403 if (i < 0) {
404 aprint_error_dev(&sc->sc_dev, "%s", timeout_msg);
405 return 1;
406 }
407
408 return 0;
409 }
410
411 static int
412 gcscaudio_write_codec(void *arg, uint8_t reg, uint16_t val)
413 {
414 struct gcscaudio_softc *sc;
415
416 sc = (struct gcscaudio_softc *)arg;
417
418 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_CODEC_CNTL,
419 ACC_CODEC_CNTL_WRITE_CMD |
420 ACC_CODEC_CNTL_CMD_NEW |
421 ACC_CODEC_REG2ADDR(reg) |
422 (val & ACC_CODEC_CNTL_CMD_DATA_MASK));
423
424 if (gcscaudio_wait_ready_codec(sc, "codec write timeout\n"))
425 return 1;
426
427 #ifdef GCSCAUDIO_CODEC_DEBUG
428 aprint_error_dev(&sc->sc_dev, "codec write: reg=0x%02x, val=0x%04x\n",
429 reg, val);
430 #endif
431
432 return 0;
433 }
434
435 static int
436 gcscaudio_read_codec(void *arg, uint8_t reg, uint16_t *val)
437 {
438 struct gcscaudio_softc *sc;
439 uint32_t v;
440 int i;
441
442 sc = (struct gcscaudio_softc *)arg;
443 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_CODEC_CNTL,
444 ACC_CODEC_CNTL_READ_CMD | ACC_CODEC_CNTL_CMD_NEW |
445 ACC_CODEC_REG2ADDR(reg));
446
447 if (gcscaudio_wait_ready_codec(sc, "codec write timeout for reading"))
448 return 1;
449
450 #define GCSCAUDIO_READ_CODEC_TIMEOUT 50
451 for (i = GCSCAUDIO_READ_CODEC_TIMEOUT; i >= 0; i--) {
452 v = bus_space_read_4(sc->sc_iot, sc->sc_ioh, ACC_CODEC_STATUS);
453 if ((v & ACC_CODEC_STATUS_STS_NEW) &&
454 (ACC_CODEC_ADDR2REG(v) == reg))
455 break;
456
457 delay(10);
458 }
459
460 if (i < 0) {
461 aprint_error_dev(&sc->sc_dev, "codec read timeout\n");
462 return 1;
463 }
464
465 #ifdef GCSCAUDIO_CODEC_DEBUG
466 aprint_error_dev(&sc->sc_dev, "codec read: reg=0x%02x, val=0x%04x\n",
467 reg, v & ACC_CODEC_STATUS_STS_DATA_MASK);
468 #endif
469
470 *val = v;
471 return 0;
472 }
473
474 static int
475 gcscaudio_open(void *arg, int flags)
476 {
477 struct gcscaudio_softc *sc;
478
479 sc = (struct gcscaudio_softc *)arg;
480 sc->codec_if->vtbl->lock(sc->codec_if);
481 return 0;
482 }
483
484 static void
485 gcscaudio_close(void *arg)
486 {
487 struct gcscaudio_softc *sc;
488
489 sc = (struct gcscaudio_softc *)arg;
490 sc->codec_if->vtbl->unlock(sc->codec_if);
491 }
492
493 static int
494 gcscaudio_query_encoding(void *arg, struct audio_encoding *fp)
495 {
496 struct gcscaudio_softc *sc;
497
498 sc = (struct gcscaudio_softc *)arg;
499 return auconv_query_encoding(sc->sc_encodings, fp);
500 }
501
502 static int
503 gcscaudio_set_params_ch(struct gcscaudio_softc *sc,
504 struct gcscaudio_softc_ch *ch, int mode,
505 audio_params_t *p, stream_filter_list_t *fil)
506 {
507 int error, idx;
508
509 if ((p->sample_rate < 8000) || (p->sample_rate > 48000))
510 return EINVAL;
511
512 if (p->precision != 8 && p->precision != 16)
513 return EINVAL;
514
515 if ((idx = auconv_set_converter(sc->sc_formats, sc->sc_nformats,
516 mode, p, TRUE, fil)) < 0)
517 return EINVAL;
518
519 if (fil->req_size > 0)
520 p = &fil->filters[0].param;
521
522 if (mode == AUMODE_PLAY) {
523 if (!AC97_IS_FIXED_RATE(sc->codec_if)) {
524 /* setup rate of DAC/ADC */
525 if ((error = sc->codec_if->vtbl->set_rate(sc->codec_if,
526 AC97_REG_PCM_LR_ADC_RATE, &p->sample_rate)) != 0)
527 return error;
528
529 /* additional rate of DAC for Surround */
530 if ((p->channels >= 4) &&
531 (error = sc->codec_if->vtbl->set_rate(sc->codec_if,
532 AC97_REG_PCM_SURR_DAC_RATE, &p->sample_rate)) != 0)
533 return error;
534
535 /* additional rate of DAC for LowFrequencyEffect */
536 if ((p->channels == 6) &&
537 (error = sc->codec_if->vtbl->set_rate(sc->codec_if,
538 AC97_REG_PCM_LFE_DAC_RATE, &p->sample_rate)) != 0)
539 return error;
540 }
541 }
542
543 if (mode == AUMODE_RECORD) {
544 if (!AC97_IS_FIXED_RATE(sc->codec_if)) {
545 /* setup rate of DAC/ADC */
546 if ((error = sc->codec_if->vtbl->set_rate(sc->codec_if,
547 AC97_REG_PCM_FRONT_DAC_RATE, &p->sample_rate)) != 0)
548 return error;
549 }
550 }
551
552 ch->ch_params = *p;
553 return 0;
554 }
555
556 static int
557 gcscaudio_set_params(void *arg, int setmode, int usemode,
558 audio_params_t *play, audio_params_t *rec,
559 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
560 {
561 struct gcscaudio_softc *sc;
562 int error;
563
564 sc = (struct gcscaudio_softc *)arg;
565
566 if (setmode & AUMODE_PLAY) {
567 if ((error = gcscaudio_set_params_ch(sc, &sc->sc_play,
568 AUMODE_PLAY, play, pfil)) != 0)
569 return error;
570 }
571 if (setmode & AUMODE_RECORD) {
572 if ((error = gcscaudio_set_params_ch(sc, &sc->sc_rec,
573 AUMODE_RECORD, rec, rfil)) != 0)
574 return error;
575 }
576
577 return 0;
578 }
579
580 static int
581 gcscaudio_round_blocksize(void *arg, int blk, int mode,
582 const audio_params_t *param)
583 {
584 blk &= -4;
585 if (blk > GCSCAUDIO_PRD_SIZE_MAX)
586 blk = GCSCAUDIO_PRD_SIZE_MAX;
587
588 return blk;
589 }
590
591 static int
592 gcscaudio_halt_output(void *arg)
593 {
594 struct gcscaudio_softc *sc;
595
596 sc = (struct gcscaudio_softc *)arg;
597 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM0_CMD,
598 ACC_BMx_CMD_BM_CTL_DISABLE);
599 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM4_CMD,
600 ACC_BMx_CMD_BM_CTL_DISABLE);
601 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM6_CMD,
602 ACC_BMx_CMD_BM_CTL_DISABLE);
603 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM7_CMD,
604 ACC_BMx_CMD_BM_CTL_DISABLE);
605 sc->sc_play.ch_intr = NULL;
606
607 /* channel splitter */
608 sc->sc_mch_splitter = NULL;
609 if (sc->sc_mch_split_buf)
610 gcscaudio_free(sc, sc->sc_mch_split_buf, M_DEVBUF);
611 sc->sc_mch_split_buf = NULL;
612
613 return 0;
614 }
615
616 static int
617 gcscaudio_halt_input(void *arg)
618 {
619 struct gcscaudio_softc *sc;
620
621 sc = (struct gcscaudio_softc *)arg;
622 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM1_CMD,
623 ACC_BMx_CMD_BM_CTL_DISABLE);
624 sc->sc_rec.ch_intr = NULL;
625 return 0;
626 }
627
628 static int
629 gcscaudio_getdev(void *addr, struct audio_device *retp)
630 {
631 *retp = gcscaudio_device;
632 return 0;
633 }
634
635 static int
636 gcscaudio_set_port(void *addr, mixer_ctrl_t *cp)
637 {
638 struct gcscaudio_softc *sc;
639
640 sc = addr;
641 return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
642 }
643
644 static int
645 gcscaudio_get_port(void *addr, mixer_ctrl_t *cp)
646 {
647 struct gcscaudio_softc *sc;
648
649 sc = addr;
650 return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
651 }
652
653 static int
654 gcscaudio_query_devinfo(void *addr, mixer_devinfo_t *dip)
655 {
656 struct gcscaudio_softc *sc;
657
658 sc = addr;
659 return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
660 }
661
662 static void *
663 gcscaudio_malloc(void *arg, int direction, size_t size,
664 struct malloc_type *pool, int flags)
665 {
666 struct gcscaudio_softc *sc;
667 struct gcscaudio_dma *p;
668 int error;
669
670 sc = (struct gcscaudio_softc *)arg;
671
672 p = malloc(sizeof(*p), pool, flags);
673 if (p == NULL)
674 return NULL;
675 p->size = size;
676
677 error = gcscaudio_allocate_dma(sc, size, &p->addr,
678 p->segs, sizeof(p->segs)/sizeof(p->segs[0]), &p->nseg,
679 BUS_DMA_NOWAIT, &p->map);
680
681 if (error) {
682 free(p, pool);
683 return NULL;
684 }
685
686 LIST_INSERT_HEAD(&sc->sc_dmalist, p, list);
687 return p->addr;
688 }
689
690 static void
691 gcscaudio_free(void *arg, void *ptr, struct malloc_type *pool)
692 {
693 struct gcscaudio_softc *sc;
694 struct gcscaudio_dma *p;
695
696 sc = (struct gcscaudio_softc *)arg;
697
698 LIST_FOREACH(p, &sc->sc_dmalist, list) {
699 if (p->addr == ptr) {
700 bus_dmamap_unload(sc->sc_dmat, p->map);
701 bus_dmamap_destroy(sc->sc_dmat, p->map);
702 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
703 bus_dmamem_free(sc->sc_dmat, p->segs, p->nseg);
704
705 LIST_REMOVE(p, list);
706 free(p, pool);
707 break;
708 }
709 }
710 }
711
712 static paddr_t
713 gcscaudio_mappage(void *arg, void *mem, off_t off, int prot)
714 {
715 struct gcscaudio_softc *sc;
716 struct gcscaudio_dma *p;
717
718 if (off < 0)
719 return -1;
720
721 sc = (struct gcscaudio_softc *)arg;
722 LIST_FOREACH(p, &sc->sc_dmalist, list) {
723 if (p->addr == mem) {
724 return bus_dmamem_mmap(sc->sc_dmat, p->segs, p->nseg,
725 off, prot, BUS_DMA_WAITOK);
726 }
727 }
728
729 return -1;
730 }
731
732 static size_t
733 gcscaudio_round_buffersize(void *addr, int direction, size_t size)
734 {
735 if (size > GCSCAUDIO_BUFSIZE_MAX)
736 size = GCSCAUDIO_BUFSIZE_MAX;
737
738 return size;
739 }
740
741 static int
742 gcscaudio_get_props(void *addr)
743 {
744 struct gcscaudio_softc *sc;
745 int props;
746
747 sc = (struct gcscaudio_softc *)addr;
748 props = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
749 /*
750 * Even if the codec is fixed-rate, set_param() succeeds for any sample
751 * rate because of aurateconv. Applications can't know what rate the
752 * device can process in the case of mmap().
753 */
754 if (!AC97_IS_FIXED_RATE(sc->codec_if))
755 props |= AUDIO_PROP_MMAP;
756 return props;
757 }
758
759 static int
760 build_prdtables(struct gcscaudio_softc *sc, int prdidx,
761 void *addr, size_t size, int blksize, int blklen, int blkoff)
762 {
763 struct gcscaudio_dma *p;
764 struct acc_prd *prdp;
765 bus_addr_t paddr;
766 int i;
767
768 /* get physical address of start */
769 paddr = (bus_addr_t)0;
770 LIST_FOREACH(p, &sc->sc_dmalist, list) {
771 if (p->addr == addr) {
772 paddr = p->map->dm_segs[0].ds_addr;
773 break;
774 }
775 }
776 if (!paddr) {
777 aprint_error_dev(&sc->sc_dev,
778 "bad addr %p\n", addr);
779 return EINVAL;
780 }
781
782 #define PRDADDR(prdidx,idx) \
783 (sc->sc_prd.p_prdmap->dm_segs[0].ds_addr) + sizeof(struct acc_prd) * \
784 (((prdidx) * GCSCAUDIO_NPRDTABLE) + (idx))
785
786 /*
787 * build PRD table
788 * prdtbl[] = <PRD0>, <PRD1>, <PRD2>, ..., <PRDn>, <jmp to PRD0>
789 */
790 prdp = sc->sc_prd.p_prdtables->prdtbl[prdidx];
791 for (i = 0; size > 0; size -= blksize, i++) {
792 prdp[i].address = paddr + blksize * i + blkoff;
793 prdp[i].ctrlsize =
794 (size < blklen ? size : blklen) | ACC_BMx_PRD_CTRL_EOP;
795 }
796 prdp[i].address = PRDADDR(prdidx, 0);
797 prdp[i].ctrlsize = ACC_BMx_PRD_CTRL_JMP;
798
799 bus_dmamap_sync(sc->sc_dmat, sc->sc_prd.p_prdmap, 0,
800 sizeof(struct acc_prd) * i, BUS_DMASYNC_PREWRITE);
801
802 return 0;
803 }
804
805 static void
806 split_buffer_4ch(void *dst, void *src, int size, int blksize)
807 {
808 int left, i;
809 uint16_t *s, *d;
810
811 /*
812 * src[blk0]: L,R,SL,SR,L,R,SL,SR,L,R,SL,SR,....
813 * src[blk1]: L,R,SL,SR,L,R,SL,SR,L,R,SL,SR,....
814 * src[blk2]: L,R,SL,SR,L,R,SL,SR,L,R,SL,SR,....
815 * :
816 *
817 * rearrange to
818 *
819 * src[blk0]: L,R,L,R,L,R,L,R,..
820 * src[blk1]: L,R,L,R,L,R,L,R,..
821 * src[blk2]: L,R,L,R,L,R,L,R,..
822 * :
823 * dst[blk0]: SL,SR,SL,SR,SL,SR,SL,SR,..
824 * dst[blk1]: SL,SR,SL,SR,SL,SR,SL,SR,..
825 * dst[blk2]: SL,SR,SL,SR,SL,SR,SL,SR,..
826 * :
827 */
828 for (left = size; left > 0; left -= blksize) {
829 s = (uint16_t *)src;
830 d = (uint16_t *)dst;
831 for (i = 0; i < blksize / sizeof(uint16_t) / 4; i++) {
832 /* L,R,SL,SR -> SL,SR */
833 s++;
834 s++;
835 *d++ = *s++;
836 *d++ = *s++;
837 }
838
839 s = (uint16_t *)src;
840 d = (uint16_t *)src;
841 for (i = 0; i < blksize / sizeof(uint16_t) / 2 / 2; i++) {
842 /* L,R,SL,SR -> L,R */
843 *d++ = *s++;
844 *d++ = *s++;
845 s++;
846 s++;
847 }
848
849 src = (char *)src + blksize;
850 dst = (char *)dst + blksize;
851 }
852 }
853
854 static void
855 split_buffer_6ch(void *dst, void *src, int size, int blksize)
856 {
857 int left, i;
858 uint16_t *s, *d, *dc, *dl;
859
860 /*
861 * by default, treat as WAV style 5.1ch order
862 * 5.1ch(WAV): L R C LFE SL SR
863 * 5.1ch(AAC): C L R SL SR LFE
864 * :
865 */
866
867 /*
868 * src[blk0]: L,R,C,LFE,SL,SR,L,R,C,LFE,SL,SR,...
869 * src[blk1]: L,R,C,LFE,SL,SR,L,R,C,LFE,SL,SR,...
870 * src[blk2]: L,R,C,LFE,SL,SR,L,R,C,LFE,SL,SR,...
871 * :
872 * src[N-1] : L,R,C,LFE,SL,SR,L,R,C,LFE,SL,SR,...
873 *
874 * rearrange to
875 *
876 * src[blk0]: L,R,L,R,..
877 * src[blk1]: L,R,L,R,..
878 * src[blk2]: L,R,L,R,..
879 * :
880 *
881 * dst[blk0]: SL,SR,SL,SR,..
882 * dst[blk1]: SL,SR,SL,SR,..
883 * dst[blk2]: SL,SR,SL,SR,..
884 * :
885 *
886 * dst[N/2+0]: C,C,C,..
887 * dst[N/2+1]: C,C,C,..
888 * :
889 *
890 * dst[N/2+N/4+0]: LFE,LFE,LFE,..
891 * dst[N/2+N/4+1]: LFE,LFE,LFE,..
892 * :
893 */
894
895 for (left = size; left > 0; left -= blksize) {
896 s = (uint16_t *)src;
897 d = (uint16_t *)dst;
898 dc = (uint16_t *)((char *)dst + blksize / 2);
899 dl = (uint16_t *)((char *)dst + blksize / 2 + blksize / 4);
900 for (i = 0; i < blksize / sizeof(uint16_t) / 6; i++) {
901 #ifdef GCSCAUDIO_5_1CH_AAC_ORDER
902 /*
903 * AAC: [C,L,R,SL,SR,LFE]
904 * => [SL,SR]
905 * => [C]
906 * => [LFE]
907 */
908 *dc++ = s[0]; /* C */
909 *dl++ = s[5]; /* LFE */
910 *d++ = s[3]; /* SL */
911 *d++ = s[4]; /* SR */
912 #else
913 /*
914 * WAV: [L,R,C,LFE,SL,SR]
915 * => [SL,SR]
916 * => [C]
917 * => [LFE]
918 */
919 *dc++ = s[2]; /* C */
920 *dl++ = s[3]; /* LFE */
921 *d++ = s[4]; /* SL */
922 *d++ = s[5]; /* SR */
923 #endif
924 s += 6;
925 }
926
927 s = (uint16_t *)src;
928 d = (uint16_t *)src;
929 for (i = 0; i < blksize / sizeof(uint16_t) / 2 / 2; i++) {
930 #ifdef GCSCAUDIO_5_1CH_AAC_ORDER
931 /* AAC: [C,L,R,SL,SR,LFE] => [L,R] */
932 *d++ = s[1];
933 *d++ = s[2];
934 #else
935 /* WAV: [L,R,C,LFE,SL,SR] => [L,R] */
936 *d++ = s[0];
937 *d++ = s[1];
938 #endif
939 s += 6;
940 }
941
942 src = (char *)src + blksize;
943 dst = (char *)dst + blksize;
944 }
945 }
946
947 static void
948 channel_splitter(struct gcscaudio_softc *sc)
949 {
950 int splitsize, left;
951 void *src, *dst;
952
953 if (sc->sc_mch_splitter == NULL)
954 return;
955
956 left = sc->sc_mch_split_size - sc->sc_mch_split_off;
957 splitsize = sc->sc_mch_split_blksize;
958 if (left < splitsize)
959 splitsize = left;
960
961 src = (char *)sc->sc_mch_split_start + sc->sc_mch_split_off;
962 dst = (char *)sc->sc_mch_split_buf + sc->sc_mch_split_off;
963
964 sc->sc_mch_splitter(dst, src, splitsize, sc->sc_mch_split_blksize);
965
966 sc->sc_mch_split_off += sc->sc_mch_split_blksize;
967 if (sc->sc_mch_split_off >= sc->sc_mch_split_size)
968 sc->sc_mch_split_off = 0;
969 }
970
971 static int
972 gcscaudio_trigger_output(void *addr, void *start, void *end, int blksize,
973 void (*intr)(void *), void *arg,
974 const audio_params_t *param)
975 {
976 struct gcscaudio_softc *sc;
977 size_t size;
978
979 sc = (struct gcscaudio_softc *)addr;
980 sc->sc_play.ch_intr = intr;
981 sc->sc_play.ch_intr_arg = arg;
982 size = (char *)end - (char *)start;
983
984 switch (sc->sc_play.ch_params.channels) {
985 case 2:
986 if (build_prdtables(sc, PRD_TABLE_FRONT, start, size, blksize,
987 blksize, 0))
988 return EINVAL;
989
990 if (!AC97_IS_4CH(sc->codec_if)) {
991 /*
992 * output 2ch PCM to FRONT.LR(BM0)
993 *
994 * 2ch: L,R,L,R,L,R,L,R,... => BM0: L,R,L,R,L,R,L,R,...
995 *
996 */
997 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM0_PRD,
998 PRDADDR(PRD_TABLE_FRONT, 0));
999
1000 /* start DMA transfer */
1001 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM0_CMD,
1002 ACC_BMx_CMD_WRITE |
1003 ACC_BMx_CMD_BYTE_ORD_EL |
1004 ACC_BMx_CMD_BM_CTL_ENABLE);
1005 } else {
1006 /*
1007 * output same PCM to FRONT.LR(BM0) and SURROUND.LR(BM6).
1008 * CENTER(BM4) and LFE(BM7) doesn't sound.
1009 *
1010 * 2ch: L,R,L,R,L,R,L,R,... => BM0: L,R,L,R,L,R,L,R,...
1011 * BM6: (same of BM0)
1012 * BM4: none
1013 * BM7: none
1014 */
1015 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM0_PRD,
1016 PRDADDR(PRD_TABLE_FRONT, 0));
1017 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM6_PRD,
1018 PRDADDR(PRD_TABLE_FRONT, 0));
1019
1020 /* start DMA transfer */
1021 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM0_CMD,
1022 ACC_BMx_CMD_WRITE |
1023 ACC_BMx_CMD_BYTE_ORD_EL |
1024 ACC_BMx_CMD_BM_CTL_ENABLE);
1025 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM6_CMD,
1026 ACC_BMx_CMD_WRITE |
1027 ACC_BMx_CMD_BYTE_ORD_EL |
1028 ACC_BMx_CMD_BM_CTL_ENABLE);
1029 }
1030 break;
1031 case 4:
1032 /*
1033 * output 4ch PCM split to FRONT.LR(BM0) and SURROUND.LR(BM6).
1034 * CENTER(BM4) and LFE(BM7) doesn't sound.
1035 *
1036 * rearrange ordered channel to continuous per channel
1037 *
1038 * 4ch: L,R,SL,SR,L,R,SL,SR,... => BM0: L,R,L,R,...
1039 * BM6: SL,SR,SL,SR,...
1040 * BM4: none
1041 * BM7: none
1042 */
1043 if (sc->sc_mch_split_buf)
1044 gcscaudio_free(sc, sc->sc_mch_split_buf, M_DEVBUF);
1045
1046 if ((sc->sc_mch_split_buf = gcscaudio_malloc(sc, AUMODE_PLAY,
1047 size, M_DEVBUF, M_WAITOK)) == NULL)
1048 return ENOMEM;
1049
1050 /*
1051 * 1st and 2nd blocks are split immediately.
1052 * Other blocks will be split synchronous with intr.
1053 */
1054 split_buffer_4ch(sc->sc_mch_split_buf, start, blksize * 2,
1055 blksize);
1056
1057 sc->sc_mch_split_start = start;
1058 sc->sc_mch_split_size = size;
1059 sc->sc_mch_split_blksize = blksize;
1060 sc->sc_mch_split_off = (blksize * 2) % size;
1061 sc->sc_mch_splitter = split_buffer_4ch; /* split function */
1062
1063 if (build_prdtables(sc, PRD_TABLE_FRONT, start, size, blksize,
1064 blksize / 2, 0))
1065 return EINVAL;
1066 if (build_prdtables(sc, PRD_TABLE_SURR, sc->sc_mch_split_buf,
1067 size, blksize, blksize / 2, 0))
1068 return EINVAL;
1069
1070 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM0_PRD,
1071 PRDADDR(PRD_TABLE_FRONT, 0));
1072 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM6_PRD,
1073 PRDADDR(PRD_TABLE_SURR, 0));
1074
1075 /* start DMA transfer */
1076 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM0_CMD,
1077 ACC_BMx_CMD_WRITE |
1078 ACC_BMx_CMD_BYTE_ORD_EL |
1079 ACC_BMx_CMD_BM_CTL_ENABLE);
1080 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM6_CMD,
1081 ACC_BMx_CMD_WRITE |
1082 ACC_BMx_CMD_BYTE_ORD_EL |
1083 ACC_BMx_CMD_BM_CTL_ENABLE);
1084 break;
1085 case 6:
1086 /*
1087 * output 6ch PCM split to
1088 * FRONT.LR(BM0), SURROUND.LR(BM6), CENTER(BM4) and LFE(BM7)
1089 *
1090 * rearrange ordered channel to continuous per channel
1091 *
1092 * 5.1ch: L,R,C,LFE,SL,SR,... => BM0: L,R,...
1093 * BM4: C,...
1094 * BM6: SL,SR,...
1095 * BM7: LFE,...
1096 *
1097 */
1098 if (sc->sc_mch_split_buf)
1099 gcscaudio_free(sc, sc->sc_mch_split_buf, M_DEVBUF);
1100
1101 if ((sc->sc_mch_split_buf = gcscaudio_malloc(sc, AUMODE_PLAY,
1102 size, M_DEVBUF, M_WAITOK)) == NULL)
1103 return ENOMEM;
1104
1105 /*
1106 * 1st and 2nd blocks are split immediately.
1107 * Other block will be split synchronous with intr.
1108 */
1109 split_buffer_6ch(sc->sc_mch_split_buf, start, blksize * 2,
1110 blksize);
1111
1112 sc->sc_mch_split_start = start;
1113 sc->sc_mch_split_size = size;
1114 sc->sc_mch_split_blksize = blksize;
1115 sc->sc_mch_split_off = (blksize * 2) % size;
1116 sc->sc_mch_splitter = split_buffer_6ch; /* split function */
1117
1118 if (build_prdtables(sc, PRD_TABLE_FRONT, start, size, blksize,
1119 blksize / 3, 0))
1120 return EINVAL;
1121 if (build_prdtables(sc, PRD_TABLE_CENTER, sc->sc_mch_split_buf,
1122 size, blksize, blksize / 3, blksize / 2))
1123 return EINVAL;
1124 if (build_prdtables(sc, PRD_TABLE_SURR, sc->sc_mch_split_buf,
1125 size, blksize, blksize / 3, 0))
1126 return EINVAL;
1127 if (build_prdtables(sc, PRD_TABLE_LFE, sc->sc_mch_split_buf,
1128 size, blksize, blksize / 3, blksize / 2 + blksize / 4))
1129 return EINVAL;
1130
1131 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM0_PRD,
1132 PRDADDR(PRD_TABLE_FRONT, 0));
1133 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM4_PRD,
1134 PRDADDR(PRD_TABLE_CENTER, 0));
1135 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM6_PRD,
1136 PRDADDR(PRD_TABLE_SURR, 0));
1137 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM7_PRD,
1138 PRDADDR(PRD_TABLE_LFE, 0));
1139
1140 /* start DMA transfer */
1141 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM0_CMD,
1142 ACC_BMx_CMD_WRITE | ACC_BMx_CMD_BYTE_ORD_EL |
1143 ACC_BMx_CMD_BM_CTL_ENABLE);
1144 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM4_CMD,
1145 ACC_BMx_CMD_WRITE | ACC_BMx_CMD_BYTE_ORD_EL |
1146 ACC_BMx_CMD_BM_CTL_ENABLE);
1147 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM6_CMD,
1148 ACC_BMx_CMD_WRITE | ACC_BMx_CMD_BYTE_ORD_EL |
1149 ACC_BMx_CMD_BM_CTL_ENABLE);
1150 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM7_CMD,
1151 ACC_BMx_CMD_WRITE | ACC_BMx_CMD_BYTE_ORD_EL |
1152 ACC_BMx_CMD_BM_CTL_ENABLE);
1153 break;
1154 }
1155
1156 return 0;
1157 }
1158
1159 static int
1160 gcscaudio_trigger_input(void *addr, void *start, void *end, int blksize,
1161 void (*intr)(void *), void *arg,
1162 const audio_params_t *param)
1163 {
1164 struct gcscaudio_softc *sc;
1165 size_t size;
1166
1167 sc = (struct gcscaudio_softc *)addr;
1168 sc->sc_rec.ch_intr = intr;
1169 sc->sc_rec.ch_intr_arg = arg;
1170 size = (char *)end - (char *)start;
1171
1172 if (build_prdtables(sc, PRD_TABLE_REC, start, size, blksize, blksize, 0))
1173 return EINVAL;
1174
1175 bus_space_write_4(sc->sc_iot, sc->sc_ioh, ACC_BM1_PRD,
1176 PRDADDR(PRD_TABLE_REC, 0));
1177
1178 /* start transfer */
1179 bus_space_write_1(sc->sc_iot, sc->sc_ioh, ACC_BM1_CMD,
1180 ACC_BMx_CMD_READ |
1181 ACC_BMx_CMD_BYTE_ORD_EL |
1182 ACC_BMx_CMD_BM_CTL_ENABLE);
1183
1184 return 0;
1185 }
1186
1187 static int
1188 gcscaudio_intr(void *arg)
1189 {
1190 struct gcscaudio_softc *sc;
1191 uint16_t intr;
1192 uint8_t bmstat;
1193 int nintr;
1194
1195 nintr = 0;
1196 sc = (struct gcscaudio_softc *)arg;
1197 intr = bus_space_read_2(sc->sc_iot, sc->sc_ioh, ACC_IRQ_STATUS);
1198 if (intr == 0)
1199 return 0;
1200
1201 /* Front output */
1202 if (intr & ACC_IRQ_STATUS_BM0_IRQ_STS) {
1203 bmstat = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ACC_BM0_STATUS);
1204 if (bmstat & ACC_BMx_STATUS_BM_EOP_ERR)
1205 aprint_normal_dev(&sc->sc_dev, "BM0: Bus Master Error\n");
1206 if (!(bmstat & ACC_BMx_STATUS_EOP))
1207 aprint_normal_dev(&sc->sc_dev, "BM0: NO End of Page?\n");
1208
1209 if (sc->sc_play.ch_intr) {
1210 sc->sc_play.ch_intr(sc->sc_play.ch_intr_arg);
1211 channel_splitter(sc);
1212 }
1213 nintr++;
1214 }
1215
1216 /* Center output */
1217 if (intr & ACC_IRQ_STATUS_BM4_IRQ_STS) {
1218 bmstat = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ACC_BM4_STATUS);
1219 if (bmstat & ACC_BMx_STATUS_BM_EOP_ERR)
1220 aprint_normal_dev(&sc->sc_dev, "BM4: Bus Master Error\n");
1221 if (!(bmstat & ACC_BMx_STATUS_EOP))
1222 aprint_normal_dev(&sc->sc_dev, "BM4: NO End of Page?\n");
1223
1224 nintr++;
1225 }
1226
1227 /* Surround output */
1228 if (intr & ACC_IRQ_STATUS_BM6_IRQ_STS) {
1229 bmstat = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ACC_BM6_STATUS);
1230 if (bmstat & ACC_BMx_STATUS_BM_EOP_ERR)
1231 aprint_normal_dev(&sc->sc_dev, "BM6: Bus Master Error\n");
1232 if (!(bmstat & ACC_BMx_STATUS_EOP))
1233 aprint_normal_dev(&sc->sc_dev, "BM6: NO End of Page?\n");
1234
1235 nintr++;
1236 }
1237
1238 /* LowFrequencyEffect output */
1239 if (intr & ACC_IRQ_STATUS_BM7_IRQ_STS) {
1240 bmstat = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ACC_BM7_STATUS);
1241 if (bmstat & ACC_BMx_STATUS_BM_EOP_ERR)
1242 aprint_normal_dev(&sc->sc_dev, "BM7: Bus Master Error\n");
1243 if (!(bmstat & ACC_BMx_STATUS_EOP))
1244 aprint_normal_dev(&sc->sc_dev, "BM7: NO End of Page?\n");
1245
1246 nintr++;
1247 }
1248
1249 /* record */
1250 if (intr & ACC_IRQ_STATUS_BM1_IRQ_STS) {
1251 bmstat = bus_space_read_1(sc->sc_iot, sc->sc_ioh, ACC_BM1_STATUS);
1252 if (bmstat & ACC_BMx_STATUS_BM_EOP_ERR)
1253 aprint_normal_dev(&sc->sc_dev, "BM1: Bus Master Error\n");
1254 if (!(bmstat & ACC_BMx_STATUS_EOP))
1255 aprint_normal_dev(&sc->sc_dev, "BM1: NO End of Page?\n");
1256
1257 if (sc->sc_rec.ch_intr) {
1258 sc->sc_rec.ch_intr(sc->sc_rec.ch_intr_arg);
1259 }
1260 nintr++;
1261 }
1262
1263 #ifdef GCSCAUDIO_DEBUG
1264 if (intr & ACC_IRQ_STATUS_IRQ_STS)
1265 aprint_normal_dev(&sc->sc_dev, "Codec GPIO IRQ Status\n");
1266 if (intr & ACC_IRQ_STATUS_WU_IRQ_STS)
1267 aprint_normal_dev(&sc->sc_dev, "Codec GPIO Wakeup IRQ Status\n");
1268 if (intr & ACC_IRQ_STATUS_BM2_IRQ_STS)
1269 aprint_normal_dev(&sc->sc_dev, "Audio Bus Master 2 IRQ Status\n");
1270 if (intr & ACC_IRQ_STATUS_BM3_IRQ_STS)
1271 aprint_normal_dev(&sc->sc_dev, "Audio Bus Master 3 IRQ Status\n");
1272 if (intr & ACC_IRQ_STATUS_BM5_IRQ_STS)
1273 aprint_normal_dev(&sc->sc_dev, "Audio Bus Master 5 IRQ Status\n");
1274 #endif
1275
1276 return nintr ? 1 : 0;
1277 }
1278
1279 static bool
1280 gcscaudio_resume(device_t dv, const pmf_qual_t *qual)
1281 {
1282 struct gcscaudio_softc *sc = device_private(dv);
1283
1284 gcscaudio_reset_codec(sc);
1285 DELAY(1000);
1286 (sc->codec_if->vtbl->restore_ports)(sc->codec_if);
1287
1288 return true;
1289 }
1290
1291 static int
1292 gcscaudio_allocate_dma(struct gcscaudio_softc *sc, size_t size, void **addrp,
1293 bus_dma_segment_t *seglist, int nseg, int *rsegp,
1294 int flags, bus_dmamap_t *mapp)
1295 {
1296 int error;
1297
1298 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, seglist,
1299 nseg, rsegp, flags)) != 0) {
1300 aprint_error_dev(&sc->sc_dev,
1301 "unable to allocate DMA buffer, error=%d\n", error);
1302 goto fail_alloc;
1303 }
1304
1305 if ((error = bus_dmamem_map(sc->sc_dmat, seglist, nseg, size, addrp,
1306 BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) {
1307 aprint_error_dev(&sc->sc_dev,
1308 "unable to map DMA buffer, error=%d\n",
1309 error);
1310 goto fail_map;
1311 }
1312
1313 if ((error = bus_dmamap_create(sc->sc_dmat, size, nseg, size, 0,
1314 BUS_DMA_NOWAIT, mapp)) != 0) {
1315 aprint_error_dev(&sc->sc_dev,
1316 "unable to create DMA map, error=%d\n", error);
1317 goto fail_create;
1318 }
1319
1320 if ((error = bus_dmamap_load(sc->sc_dmat, *mapp, *addrp, size, NULL,
1321 BUS_DMA_NOWAIT)) != 0) {
1322 aprint_error_dev(&sc->sc_dev,
1323 "unable to load DMA map, error=%d\n", error);
1324 goto fail_load;
1325 }
1326
1327 return 0;
1328
1329 fail_load:
1330 bus_dmamap_destroy(sc->sc_dmat, *mapp);
1331 fail_create:
1332 bus_dmamem_unmap(sc->sc_dmat, *addrp, size);
1333 fail_map:
1334 bus_dmamem_free(sc->sc_dmat, seglist, nseg);
1335 fail_alloc:
1336 return error;
1337 }
1338