1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
|
/* $OpenBSD: auacer.c,v 1.13 2013/05/15 08:29:24 ratchov Exp $ */
/* $NetBSD: auacer.c,v 1.3 2004/11/10 04:20:26 kent Exp $ */
/*-
* Copyright (c) 2004 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Lennart Augustsson.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Acer Labs M5455 audio driver
*
* Acer provides data sheets after signing an NDA.
* The chip behaves somewhat like the Intel i8x0, so this driver
* is loosely based on the auich driver. Additional information taken from
* the ALSA intel8x0.c driver (which handles M5455 as well).
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <sys/fcntl.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/auacerreg.h>
#include <sys/audioio.h>
#include <dev/audio_if.h>
#include <dev/mulaw.h>
#include <dev/auconv.h>
#include <machine/bus.h>
#include <dev/ic/ac97.h>
struct auacer_dma {
bus_dmamap_t map;
caddr_t addr;
bus_dma_segment_t segs[1];
int nsegs;
size_t size;
struct auacer_dma *next;
};
#define DMAADDR(p) ((p)->map->dm_segs[0].ds_addr)
#define KERNADDR(p) ((void *)((p)->addr))
const struct pci_matchid auacer_pci_devices[] = {
{ PCI_VENDOR_ALI, PCI_PRODUCT_ALI_M5455 }
};
struct auacer_cdata {
struct auacer_dmalist ic_dmalist_pcmo[ALI_DMALIST_MAX];
};
struct auacer_chan {
uint32_t ptr;
uint32_t start, p, end;
uint32_t blksize, fifoe;
uint32_t ack;
uint32_t port;
struct auacer_dmalist *dmalist;
void (*intr)(void *);
void *arg;
};
struct auacer_softc {
struct device sc_dev;
void *sc_ih;
audio_device_t sc_audev;
bus_space_tag_t iot;
bus_space_handle_t mix_ioh;
bus_space_handle_t aud_ioh;
bus_dma_tag_t dmat;
struct ac97_codec_if *codec_if;
struct ac97_host_if host_if;
/* DMA scatter-gather lists. */
bus_dmamap_t sc_cddmamap;
#define sc_cddma sc_cddmamap->dm_segs[0].ds_addr
struct auacer_cdata *sc_cdata;
struct auacer_chan sc_pcmo;
struct auacer_dma *sc_dmas;
pci_chipset_tag_t sc_pc;
pcitag_t sc_pt;
int sc_dmamap_flags;
};
#define READ1(sc, a) bus_space_read_1(sc->iot, sc->aud_ioh, a)
#define READ2(sc, a) bus_space_read_2(sc->iot, sc->aud_ioh, a)
#define READ4(sc, a) bus_space_read_4(sc->iot, sc->aud_ioh, a)
#define WRITE1(sc, a, v) bus_space_write_1(sc->iot, sc->aud_ioh, a, v)
#define WRITE2(sc, a, v) bus_space_write_2(sc->iot, sc->aud_ioh, a, v)
#define WRITE4(sc, a, v) bus_space_write_4(sc->iot, sc->aud_ioh, a, v)
/* Debug */
#ifdef AUACER_DEBUG
#define DPRINTF(l,x) do { if (auacer_debug & (l)) printf x; } while(0)
int auacer_debug = 0;
#define ALI_DEBUG_CODECIO 0x0001
#define ALI_DEBUG_DMA 0x0002
#define ALI_DEBUG_INTR 0x0004
#define ALI_DEBUG_API 0x0008
#define ALI_DEBUG_MIXERAPI 0x0010
#else
#define DPRINTF(x,y) /* nothing */
#endif
struct cfdriver auacer_cd = {
NULL, "auacer", DV_DULL
};
int auacer_match(struct device *, void *, void *);
void auacer_attach(struct device *, struct device *, void *);
int auacer_activate(struct device *, int);
int auacer_intr(void *);
struct cfattach auacer_ca = {
sizeof(struct auacer_softc), auacer_match, auacer_attach, NULL,
auacer_activate
};
int auacer_open(void *, int);
void auacer_close(void *);
int auacer_query_encoding(void *, struct audio_encoding *);
int auacer_set_params(void *, int, int, struct audio_params *,
struct audio_params *);
int auacer_round_blocksize(void *, int);
int auacer_halt_output(void *);
int auacer_halt_input(void *);
int auacer_getdev(void *, struct audio_device *);
int auacer_set_port(void *, mixer_ctrl_t *);
int auacer_get_port(void *, mixer_ctrl_t *);
int auacer_query_devinfo(void *, mixer_devinfo_t *);
void *auacer_allocm(void *, int, size_t, int, int);
void auacer_freem(void *, void *, int);
size_t auacer_round_buffersize(void *, int, size_t);
paddr_t auacer_mappage(void *, void *, off_t, int);
int auacer_get_props(void *);
int auacer_trigger_output(void *, void *, void *, int, void (*)(void *),
void *, struct audio_params *);
int auacer_trigger_input(void *, void *, void *, int, void (*)(void *),
void *, struct audio_params *);
void auacer_get_default_params(void *, int, struct audio_params *);
int auacer_alloc_cdata(struct auacer_softc *);
int auacer_allocmem(struct auacer_softc *, size_t, size_t,
struct auacer_dma *);
int auacer_freemem(struct auacer_softc *, struct auacer_dma *);
int auacer_set_rate(struct auacer_softc *, int, u_long);
void auacer_finish_attach(struct device *);
static void auacer_reset(struct auacer_softc *sc);
struct audio_hw_if auacer_hw_if = {
auacer_open,
auacer_close,
NULL, /* drain */
auacer_query_encoding,
auacer_set_params,
auacer_round_blocksize,
NULL, /* commit_setting */
NULL, /* init_output */
NULL, /* init_input */
NULL, /* start_output */
NULL, /* start_input */
auacer_halt_output,
auacer_halt_input,
NULL, /* speaker_ctl */
auacer_getdev,
NULL, /* getfd */
auacer_set_port,
auacer_get_port,
auacer_query_devinfo,
auacer_allocm,
auacer_freem,
auacer_round_buffersize,
auacer_mappage,
auacer_get_props,
auacer_trigger_output,
auacer_trigger_input,
auacer_get_default_params
};
int auacer_attach_codec(void *, struct ac97_codec_if *);
int auacer_read_codec(void *, u_int8_t, u_int16_t *);
int auacer_write_codec(void *, u_int8_t, u_int16_t);
void auacer_reset_codec(void *);
int
auacer_match(struct device *parent, void *match, void *aux)
{
return (pci_matchbyid((struct pci_attach_args *)aux, auacer_pci_devices,
nitems(auacer_pci_devices)));
}
void
auacer_attach(struct device *parent, struct device *self, void *aux)
{
struct auacer_softc *sc = (struct auacer_softc *)self;
struct pci_attach_args *pa = aux;
pci_intr_handle_t ih;
bus_size_t aud_size;
const char *intrstr;
if (pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0,
&sc->iot, &sc->aud_ioh, NULL, &aud_size, 0)) {
printf(": can't map i/o space\n");
return;
}
sc->sc_pc = pa->pa_pc;
sc->sc_pt = pa->pa_tag;
sc->dmat = pa->pa_dmat;
sc->sc_dmamap_flags = BUS_DMA_COHERENT; /* XXX remove */
/* Map and establish the interrupt. */
if (pci_intr_map(pa, &ih)) {
printf("%s: can't map interrupt\n", sc->sc_dev.dv_xname);
return;
}
intrstr = pci_intr_string(pa->pa_pc, ih);
sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_AUDIO,
auacer_intr, sc, sc->sc_dev.dv_xname);
if (sc->sc_ih == NULL) {
printf("%s: can't establish interrupt",
sc->sc_dev.dv_xname);
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
strlcpy(sc->sc_audev.name, "M5455 AC97", MAX_AUDIO_DEV_LEN);
snprintf(sc->sc_audev.version, MAX_AUDIO_DEV_LEN,
"0x%02x", PCI_REVISION(pa->pa_class));
strlcpy(sc->sc_audev.config, sc->sc_dev.dv_xname, MAX_AUDIO_DEV_LEN);
printf(": %s\n", intrstr);
/* Set up DMA lists. */
auacer_alloc_cdata(sc);
sc->sc_pcmo.dmalist = sc->sc_cdata->ic_dmalist_pcmo;
sc->sc_pcmo.ptr = 0;
sc->sc_pcmo.port = ALI_BASE_PO;
DPRINTF(ALI_DEBUG_DMA, ("auacer_attach: lists %p\n",
sc->sc_pcmo.dmalist));
sc->host_if.arg = sc;
sc->host_if.attach = auacer_attach_codec;
sc->host_if.read = auacer_read_codec;
sc->host_if.write = auacer_write_codec;
sc->host_if.reset = auacer_reset_codec;
if (ac97_attach(&sc->host_if) != 0)
return;
audio_attach_mi(&auacer_hw_if, sc, &sc->sc_dev);
auacer_reset(sc);
}
static int
auacer_ready_codec(struct auacer_softc *sc, int mask)
{
int count = 0;
for (count = 0; count < 0x7f; count++) {
int val = READ1(sc, ALI_CSPSR);
if (val & mask)
return 0;
}
printf("auacer_ready_codec: AC97 codec ready timeout.\n");
return EBUSY;
}
static int
auacer_sema_codec(struct auacer_softc *sc)
{
int ttime = 100;
while (ttime-- && (READ4(sc, ALI_CAS) & ALI_CAS_SEM_BUSY))
delay(1);
if (!ttime)
printf("auacer_sema_codec: timeout\n");
return auacer_ready_codec(sc, ALI_CSPSR_CODEC_READY);
}
int
auacer_read_codec(void *v, u_int8_t reg, u_int16_t *val)
{
struct auacer_softc *sc = v;
if (auacer_sema_codec(sc))
return EIO;
reg |= ALI_CPR_ADDR_READ;
#if 0
if (ac97->num)
reg |= ALI_CPR_ADDR_SECONDARY;
#endif
WRITE2(sc, ALI_CPR_ADDR, reg);
if (auacer_ready_codec(sc, ALI_CSPSR_READ_OK))
return EIO;
*val = READ2(sc, ALI_SPR);
DPRINTF(ALI_DEBUG_CODECIO, ("auacer_read_codec: reg=0x%x val=0x%x\n",
reg, *val));
return 0;
}
int
auacer_write_codec(void *v, u_int8_t reg, u_int16_t val)
{
struct auacer_softc *sc = v;
DPRINTF(ALI_DEBUG_CODECIO, ("auacer_write_codec: reg=0x%x val=0x%x\n",
reg, val));
if (auacer_sema_codec(sc))
return EIO;
WRITE2(sc, ALI_CPR, val);
#if 0
if (ac97->num)
reg |= ALI_CPR_ADDR_SECONDARY;
#endif
WRITE2(sc, ALI_CPR_ADDR, reg);
auacer_ready_codec(sc, ALI_CSPSR_WRITE_OK);
return 0;
}
int
auacer_attach_codec(void *v, struct ac97_codec_if *cif)
{
struct auacer_softc *sc = v;
sc->codec_if = cif;
return 0;
}
void
auacer_reset_codec(void *v)
{
struct auacer_softc *sc = v;
u_int32_t reg;
int i = 0;
reg = READ4(sc, ALI_SCR);
if ((reg & 2) == 0) /* Cold required */
reg |= 2;
else
reg |= 1; /* Warm */
reg &= ~0x80000000; /* ACLink on */
WRITE4(sc, ALI_SCR, reg);
while (i < 10) {
if ((READ4(sc, ALI_INTERRUPTSR) & ALI_INT_GPIO) == 0)
break;
delay(50000); /* XXX */
i++;
}
if (i == 10) {
return;
}
for (i = 0; i < 10; i++) {
reg = READ4(sc, ALI_RTSR);
if (reg & 0x80) /* primary codec */
break;
WRITE4(sc, ALI_RTSR, reg | 0x80);
delay(50000); /* XXX */
}
}
static void
auacer_reset(struct auacer_softc *sc)
{
WRITE4(sc, ALI_SCR, ALI_SCR_RESET);
WRITE4(sc, ALI_FIFOCR1, 0x83838383);
WRITE4(sc, ALI_FIFOCR2, 0x83838383);
WRITE4(sc, ALI_FIFOCR3, 0x83838383);
WRITE4(sc, ALI_INTERFACECR, ALI_IF_PO); /* XXX pcm out only */
WRITE4(sc, ALI_INTERRUPTCR, 0x00000000);
WRITE4(sc, ALI_INTERRUPTSR, 0x00000000);
}
int
auacer_open(void *v, int flags)
{
DPRINTF(ALI_DEBUG_API, ("auacer_open: flags=%d\n", flags));
return 0;
}
void
auacer_close(void *v)
{
DPRINTF(ALI_DEBUG_API, ("auacer_close\n"));
}
void
auacer_get_default_params(void *addr, int mode, struct audio_params *params)
{
ac97_get_default_params(params);
}
int
auacer_query_encoding(void *v, struct audio_encoding *aep)
{
DPRINTF(ALI_DEBUG_API, ("auacer_query_encoding\n"));
switch (aep->index) {
case 0:
strlcpy(aep->name, AudioEulinear, sizeof aep->name);
aep->encoding = AUDIO_ENCODING_ULINEAR;
aep->precision = 8;
aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
case 1:
strlcpy(aep->name, AudioEmulaw, sizeof aep->name);
aep->encoding = AUDIO_ENCODING_ULAW;
aep->precision = 8;
aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
case 2:
strlcpy(aep->name, AudioEalaw, sizeof aep->name);
aep->encoding = AUDIO_ENCODING_ALAW;
aep->precision = 8;
aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
case 3:
strlcpy(aep->name, AudioEslinear, sizeof aep->name);
aep->encoding = AUDIO_ENCODING_SLINEAR;
aep->precision = 8;
aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
case 4:
strlcpy(aep->name, AudioEslinear_le, sizeof aep->name);
aep->encoding = AUDIO_ENCODING_SLINEAR_LE;
aep->precision = 16;
aep->flags = 0;
break;
case 5:
strlcpy(aep->name, AudioEulinear_le, sizeof aep->name);
aep->encoding = AUDIO_ENCODING_ULINEAR_LE;
aep->precision = 16;
aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
case 6:
strlcpy(aep->name, AudioEslinear_be, sizeof aep->name);
aep->encoding = AUDIO_ENCODING_SLINEAR_BE;
aep->precision = 16;
aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
case 7:
strlcpy(aep->name, AudioEulinear_be, sizeof aep->name);
aep->encoding = AUDIO_ENCODING_ULINEAR_BE;
aep->precision = 16;
aep->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
default:
return (EINVAL);
}
aep->bps = AUDIO_BPS(aep->precision);
aep->msb = 1;
return (0);
}
int
auacer_set_rate(struct auacer_softc *sc, int mode, u_long srate)
{
int ret;
u_long ratetmp;
DPRINTF(ALI_DEBUG_API, ("auacer_set_rate: srate=%lu\n", srate));
ratetmp = srate;
if (mode == AUMODE_RECORD)
return sc->codec_if->vtbl->set_rate(sc->codec_if,
AC97_REG_PCM_LR_ADC_RATE, &ratetmp);
ret = sc->codec_if->vtbl->set_rate(sc->codec_if,
AC97_REG_PCM_FRONT_DAC_RATE, &ratetmp);
if (ret)
return ret;
ratetmp = srate;
ret = sc->codec_if->vtbl->set_rate(sc->codec_if,
AC97_REG_PCM_SURR_DAC_RATE, &ratetmp);
if (ret)
return ret;
ratetmp = srate;
ret = sc->codec_if->vtbl->set_rate(sc->codec_if,
AC97_REG_PCM_LFE_DAC_RATE, &ratetmp);
return ret;
}
static int
auacer_fixup_rate(int rate)
{
int i;
int rates[] = {
8000, 11025, 12000, 16000, 22050, 32000, 44100, 48000
};
for (i = 0; i < nitems(rates) - 1; i++)
if (rate <= (rates[i] + rates[i+1]) / 2)
return (rates[i]);
return (rates[i]);
}
int
auacer_set_params(void *v, int setmode, int usemode, struct audio_params *play,
struct audio_params *rec)
{
struct auacer_softc *sc = v;
struct audio_params *p;
uint32_t control;
int mode;
DPRINTF(ALI_DEBUG_API, ("auacer_set_params\n"));
for (mode = AUMODE_RECORD; mode != -1;
mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
if ((setmode & mode) == 0)
continue;
p = mode == AUMODE_PLAY ? play : rec;
if (p == NULL)
continue;
p->sample_rate = auacer_fixup_rate(p->sample_rate);
p->factor = 1;
if (p->precision == 8)
p->factor *= 2;
p->sw_code = NULL;
if (mode == AUMODE_RECORD) {
if (p->channels > 2)
p->channels = 2;
}
switch (p->encoding) {
case AUDIO_ENCODING_SLINEAR_BE:
if (p->precision == 16) {
p->sw_code = swap_bytes;
} else {
if (mode == AUMODE_PLAY)
p->sw_code = linear8_to_linear16_le;
else
p->sw_code = linear16_to_linear8_le;
}
break;
case AUDIO_ENCODING_SLINEAR_LE:
if (p->precision != 16) {
if (mode == AUMODE_PLAY)
p->sw_code = linear8_to_linear16_le;
else
p->sw_code = linear16_to_linear8_le;
}
break;
case AUDIO_ENCODING_ULINEAR_BE:
if (p->precision == 16) {
if (mode == AUMODE_PLAY)
p->sw_code =
swap_bytes_change_sign16_le;
else
p->sw_code =
change_sign16_swap_bytes_le;
} else {
if (mode == AUMODE_PLAY)
p->sw_code = ulinear8_to_linear16_le;
else
p->sw_code = linear16_to_ulinear8_le;
}
break;
case AUDIO_ENCODING_ULINEAR_LE:
if (p->precision == 16) {
p->sw_code = change_sign16_le;
} else {
if (mode == AUMODE_PLAY)
p->sw_code = ulinear8_to_linear16_le;
else
p->sw_code = linear16_to_ulinear8_le;
}
break;
case AUDIO_ENCODING_ULAW:
if (mode == AUMODE_PLAY)
p->sw_code = mulaw_to_slinear16_le;
else
p->sw_code = slinear16_to_mulaw_le;
break;
case AUDIO_ENCODING_ALAW:
if (mode == AUMODE_PLAY)
p->sw_code = alaw_to_slinear16_le;
else
p->sw_code = slinear16_to_alaw_le;
break;
default:
return (EINVAL);
}
p->bps = AUDIO_BPS(p->precision);
p->msb = 1;
if (AC97_IS_FIXED_RATE(sc->codec_if))
p->sample_rate = AC97_SINGLE_RATE;
else if (auacer_set_rate(sc, mode, p->sample_rate))
return EINVAL;
if (mode == AUMODE_PLAY) {
control = READ4(sc, ALI_SCR);
control &= ~ALI_SCR_PCM_246_MASK;
if (p->channels == 4)
control |= ALI_SCR_PCM_4;
else if (p->channels == 6)
control |= ALI_SCR_PCM_6;
WRITE4(sc, ALI_SCR, control);
}
}
return (0);
}
int
auacer_round_blocksize(void *v, int blk)
{
return ((blk + 0x3f) & ~0x3f); /* keep good alignment */
}
static void
auacer_halt(struct auacer_softc *sc, struct auacer_chan *chan)
{
uint32_t val;
uint8_t port = chan->port;
uint32_t slot;
DPRINTF(ALI_DEBUG_API, ("auacer_halt: port=0x%x\n", port));
chan->intr = 0;
slot = ALI_PORT2SLOT(port);
val = READ4(sc, ALI_DMACR);
val |= 1 << (slot+16); /* pause */
val &= ~(1 << slot); /* no start */
WRITE4(sc, ALI_DMACR, val);
WRITE1(sc, port + ALI_OFF_CR, 0);
while (READ1(sc, port + ALI_OFF_CR))
;
/* reset whole DMA things */
WRITE1(sc, port + ALI_OFF_CR, ALI_CR_RR);
/* clear interrupts */
WRITE1(sc, port + ALI_OFF_SR, READ1(sc, port+ALI_OFF_SR) | ALI_SR_W1TC);
WRITE4(sc, ALI_INTERRUPTSR, ALI_PORT2INTR(port));
}
int
auacer_halt_output(void *v)
{
struct auacer_softc *sc = v;
DPRINTF(ALI_DEBUG_DMA, ("auacer_halt_output\n"));
mtx_enter(&audio_lock);
auacer_halt(sc, &sc->sc_pcmo);
mtx_leave(&audio_lock);
return (0);
}
int
auacer_halt_input(void *v)
{
DPRINTF(ALI_DEBUG_DMA, ("auacer_halt_input\n"));
return (0);
}
int
auacer_getdev(void *v, struct audio_device *adp)
{
struct auacer_softc *sc = v;
DPRINTF(ALI_DEBUG_API, ("auacer_getdev\n"));
*adp = sc->sc_audev;
return (0);
}
int
auacer_set_port(void *v, mixer_ctrl_t *cp)
{
struct auacer_softc *sc = v;
DPRINTF(ALI_DEBUG_MIXERAPI, ("auacer_set_port\n"));
return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp));
}
int
auacer_get_port(void *v, mixer_ctrl_t *cp)
{
struct auacer_softc *sc = v;
DPRINTF(ALI_DEBUG_MIXERAPI, ("auacer_get_port\n"));
return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp));
}
int
auacer_query_devinfo(void *v, mixer_devinfo_t *dp)
{
struct auacer_softc *sc = v;
DPRINTF(ALI_DEBUG_MIXERAPI, ("auacer_query_devinfo\n"));
return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dp));
}
void *
auacer_allocm(void *v, int direction, size_t size, int pool, int flags)
{
struct auacer_softc *sc = v;
struct auacer_dma *p;
int error;
if (size > (ALI_DMALIST_MAX * ALI_DMASEG_MAX))
return (NULL);
p = malloc(sizeof(*p), pool, flags | M_ZERO);
if (p == NULL)
return (NULL);
error = auacer_allocmem(sc, size, PAGE_SIZE, p);
if (error) {
free(p, pool);
return (NULL);
}
p->next = sc->sc_dmas;
sc->sc_dmas = p;
return (KERNADDR(p));
}
void
auacer_freem(void *v, void *ptr, int pool)
{
struct auacer_softc *sc = v;
struct auacer_dma *p, **pp;
for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
if (KERNADDR(p) == ptr) {
auacer_freemem(sc, p);
*pp = p->next;
free(p, pool);
return;
}
}
}
size_t
auacer_round_buffersize(void *v, int direction, size_t size)
{
if (size > (ALI_DMALIST_MAX * ALI_DMASEG_MAX))
size = ALI_DMALIST_MAX * ALI_DMASEG_MAX;
return size;
}
paddr_t
auacer_mappage(void *v, void *mem, off_t off, int prot)
{
struct auacer_softc *sc = v;
struct auacer_dma *p;
if (off < 0)
return (-1);
for (p = sc->sc_dmas; p && KERNADDR(p) != mem; p = p->next)
;
if (!p)
return (-1);
return (bus_dmamem_mmap(sc->dmat, p->segs, p->nsegs,
off, prot, BUS_DMA_WAITOK));
}
int
auacer_get_props(void *v)
{
return (AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX |
AUDIO_PROP_MMAP);
}
static void
auacer_add_entry(struct auacer_chan *chan)
{
struct auacer_dmalist *q;
q = &chan->dmalist[chan->ptr];
DPRINTF(ALI_DEBUG_INTR,
("auacer_add_entry: %p = %x @ 0x%x\n",
q, chan->blksize / 2, chan->p));
q->base = htole32(chan->p);
q->len = htole32((chan->blksize / ALI_SAMPLE_SIZE) | ALI_DMAF_IOC);
chan->p += chan->blksize;
if (chan->p >= chan->end)
chan->p = chan->start;
if (++chan->ptr >= ALI_DMALIST_MAX)
chan->ptr = 0;
}
static void
auacer_upd_chan(struct auacer_softc *sc, struct auacer_chan *chan)
{
uint32_t sts;
uint32_t civ;
sts = READ2(sc, chan->port + ALI_OFF_SR);
/* intr ack */
WRITE2(sc, chan->port + ALI_OFF_SR, sts & ALI_SR_W1TC);
WRITE4(sc, ALI_INTERRUPTSR, ALI_PORT2INTR(chan->port));
DPRINTF(ALI_DEBUG_INTR, ("auacer_upd_chan: sts=0x%x\n", sts));
if (sts & ALI_SR_DMA_INT_FIFO) {
printf("%s: fifo underrun # %u\n",
sc->sc_dev.dv_xname, ++chan->fifoe);
}
civ = READ1(sc, chan->port + ALI_OFF_CIV);
DPRINTF(ALI_DEBUG_INTR,("auacer_intr: civ=%u ptr=%u\n",civ,chan->ptr));
/* XXX */
while (chan->ptr != civ) {
auacer_add_entry(chan);
}
WRITE1(sc, chan->port + ALI_OFF_LVI, (chan->ptr - 1) & ALI_LVI_MASK);
while (chan->ack != civ) {
if (chan->intr) {
DPRINTF(ALI_DEBUG_INTR,("auacer_upd_chan: callback\n"));
chan->intr(chan->arg);
}
chan->ack++;
if (chan->ack >= ALI_DMALIST_MAX)
chan->ack = 0;
}
}
int
auacer_intr(void *v)
{
struct auacer_softc *sc = v;
int ret, intrs;
mtx_enter(&audio_lock);
intrs = READ4(sc, ALI_INTERRUPTSR);
DPRINTF(ALI_DEBUG_INTR, ("auacer_intr: intrs=0x%x\n", intrs));
ret = 0;
if (intrs & ALI_INT_PCMOUT) {
auacer_upd_chan(sc, &sc->sc_pcmo);
ret++;
}
mtx_leave(&audio_lock);
return ret != 0;
}
static void
auacer_setup_chan(struct auacer_softc *sc, struct auacer_chan *chan,
uint32_t start, uint32_t size, uint32_t blksize, void (*intr)(void *),
void *arg)
{
uint32_t port, slot;
uint32_t offs, val;
chan->start = start;
chan->ptr = 0;
chan->p = chan->start;
chan->end = chan->start + size;
chan->blksize = blksize;
chan->ack = 0;
chan->intr = intr;
chan->arg = arg;
auacer_add_entry(chan);
auacer_add_entry(chan);
port = chan->port;
slot = ALI_PORT2SLOT(port);
WRITE1(sc, port + ALI_OFF_CIV, 0);
WRITE1(sc, port + ALI_OFF_LVI, (chan->ptr - 1) & ALI_LVI_MASK);
offs = (char *)chan->dmalist - (char *)sc->sc_cdata;
WRITE4(sc, port + ALI_OFF_BDBAR, sc->sc_cddma + offs);
WRITE1(sc, port + ALI_OFF_CR,
ALI_CR_IOCE | ALI_CR_FEIE | ALI_CR_LVBIE | ALI_CR_RPBM);
val = READ4(sc, ALI_DMACR);
val &= ~(1 << (slot+16)); /* no pause */
val |= 1 << slot; /* start */
WRITE4(sc, ALI_DMACR, val);
}
int
auacer_trigger_output(void *v, void *start, void *end, int blksize,
void (*intr)(void *), void *arg, struct audio_params *param)
{
struct auacer_softc *sc = v;
struct auacer_dma *p;
uint32_t size;
DPRINTF(ALI_DEBUG_DMA,
("auacer_trigger_output(%p, %p, %d, %p, %p, %p)\n",
start, end, blksize, intr, arg, param));
for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
;
if (!p) {
printf("auacer_trigger_output: bad addr %p\n", start);
return (EINVAL);
}
size = (char *)end - (char *)start;
mtx_enter(&audio_lock);
auacer_setup_chan(sc, &sc->sc_pcmo, DMAADDR(p), size, blksize,
intr, arg);
mtx_leave(&audio_lock);
return 0;
}
int
auacer_trigger_input(void *v, void *start, void *end, int blksize,
void (*intr)(void *), void *arg, struct audio_params *param)
{
return (EINVAL);
}
int
auacer_allocmem(struct auacer_softc *sc, size_t size, size_t align,
struct auacer_dma *p)
{
int error;
p->size = size;
error = bus_dmamem_alloc(sc->dmat, p->size, align, 0, p->segs,
nitems(p->segs), &p->nsegs, BUS_DMA_NOWAIT);
if (error)
return (error);
error = bus_dmamem_map(sc->dmat, p->segs, p->nsegs, p->size, &p->addr,
BUS_DMA_NOWAIT | sc->sc_dmamap_flags);
if (error)
goto free;
error = bus_dmamap_create(sc->dmat, p->size, 1, p->size, 0,
BUS_DMA_NOWAIT, &p->map);
if (error)
goto unmap;
error = bus_dmamap_load(sc->dmat, p->map, p->addr, p->size, NULL,
BUS_DMA_NOWAIT);
if (error)
goto destroy;
return (0);
destroy:
bus_dmamap_destroy(sc->dmat, p->map);
unmap:
bus_dmamem_unmap(sc->dmat, p->addr, p->size);
free:
bus_dmamem_free(sc->dmat, p->segs, p->nsegs);
return (error);
}
int
auacer_freemem(struct auacer_softc *sc, struct auacer_dma *p)
{
bus_dmamap_unload(sc->dmat, p->map);
bus_dmamap_destroy(sc->dmat, p->map);
bus_dmamem_unmap(sc->dmat, p->addr, p->size);
bus_dmamem_free(sc->dmat, p->segs, p->nsegs);
return (0);
}
int
auacer_alloc_cdata(struct auacer_softc *sc)
{
bus_dma_segment_t seg;
int error, rseg;
/*
* Allocate the control data structure, and create and load the
* DMA map for it.
*/
if ((error = bus_dmamem_alloc(sc->dmat, sizeof(struct auacer_cdata),
PAGE_SIZE, 0, &seg, 1, &rseg, 0)) != 0) {
printf("%s: unable to allocate control data, error = %d\n",
sc->sc_dev.dv_xname, error);
goto fail_0;
}
if ((error = bus_dmamem_map(sc->dmat, &seg, rseg,
sizeof(struct auacer_cdata), (caddr_t *) &sc->sc_cdata,
sc->sc_dmamap_flags)) != 0) {
printf("%s: unable to map control data, error = %d\n",
sc->sc_dev.dv_xname, error);
goto fail_1;
}
if ((error = bus_dmamap_create(sc->dmat, sizeof(struct auacer_cdata), 1,
sizeof(struct auacer_cdata), 0, 0, &sc->sc_cddmamap)) != 0) {
printf("%s: unable to create control data DMA map, "
"error = %d\n", sc->sc_dev.dv_xname, error);
goto fail_2;
}
if ((error = bus_dmamap_load(sc->dmat, sc->sc_cddmamap, sc->sc_cdata,
sizeof(struct auacer_cdata), NULL, 0)) != 0) {
printf("%s: unable to load control data DMA map, error = %d\n",
sc->sc_dev.dv_xname, error);
goto fail_3;
}
return (0);
fail_3:
bus_dmamap_destroy(sc->dmat, sc->sc_cddmamap);
fail_2:
bus_dmamem_unmap(sc->dmat, (caddr_t) sc->sc_cdata,
sizeof(struct auacer_cdata));
fail_1:
bus_dmamem_free(sc->dmat, &seg, rseg);
fail_0:
return (error);
}
int
auacer_activate(struct device *self, int act)
{
struct auacer_softc *sc = (struct auacer_softc *)self;
int rv = 0;
switch (act) {
case DVACT_QUIESCE:
rv = config_activate_children(self, act);
break;
case DVACT_SUSPEND:
break;
case DVACT_RESUME:
ac97_resume(&sc->host_if, sc->codec_if);
rv = config_activate_children(self, act);
break;
case DVACT_DEACTIVATE:
break;
}
return (rv);
}
|