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
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
|
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
//
// This file is provided under a dual BSD/GPLv2 license. When using or
// redistributing this file, you may do so under either license.
//
// Copyright(c) 2018 Intel Corporation. All rights reserved.
//
// Authors: Liam Girdwood <liam.r.girdwood@linux.intel.com>
// Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
// Rander Wang <rander.wang@intel.com>
// Keyon Jie <yang.jie@linux.intel.com>
//
/*
* Hardware interface for generic Intel audio DSP HDA IP
*/
#include <sound/hdaudio_ext.h>
#include <sound/hda_register.h>
#include <linux/acpi.h>
#include <linux/module.h>
#include <linux/soundwire/sdw.h>
#include <linux/soundwire/sdw_intel.h>
#include <sound/intel-dsp-config.h>
#include <sound/intel-nhlt.h>
#include <sound/sof.h>
#include <sound/sof/xtensa.h>
#include <sound/hda-mlink.h>
#include "../sof-audio.h"
#include "../sof-pci-dev.h"
#include "../ops.h"
#include "hda.h"
#include "telemetry.h"
#define CREATE_TRACE_POINTS
#include <trace/events/sof_intel.h>
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
#include <sound/soc-acpi-intel-match.h>
#endif
/* platform specific devices */
#include "shim.h"
#define EXCEPT_MAX_HDR_SIZE 0x400
#define HDA_EXT_ROM_STATUS_SIZE 8
static u32 hda_get_interface_mask(struct snd_sof_dev *sdev)
{
const struct sof_intel_dsp_desc *chip;
u32 interface_mask[2] = { 0 };
chip = get_chip_info(sdev->pdata);
switch (chip->hw_ip_version) {
case SOF_INTEL_TANGIER:
case SOF_INTEL_BAYTRAIL:
case SOF_INTEL_BROADWELL:
interface_mask[0] = BIT(SOF_DAI_INTEL_SSP);
break;
case SOF_INTEL_CAVS_1_5:
case SOF_INTEL_CAVS_1_5_PLUS:
interface_mask[0] = BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC) |
BIT(SOF_DAI_INTEL_HDA);
interface_mask[1] = BIT(SOF_DAI_INTEL_HDA);
break;
case SOF_INTEL_CAVS_1_8:
case SOF_INTEL_CAVS_2_0:
case SOF_INTEL_CAVS_2_5:
case SOF_INTEL_ACE_1_0:
interface_mask[0] = BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC) |
BIT(SOF_DAI_INTEL_HDA) | BIT(SOF_DAI_INTEL_ALH);
interface_mask[1] = BIT(SOF_DAI_INTEL_HDA);
break;
case SOF_INTEL_ACE_2_0:
interface_mask[0] = BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC) |
BIT(SOF_DAI_INTEL_HDA) | BIT(SOF_DAI_INTEL_ALH);
interface_mask[1] = interface_mask[0]; /* all interfaces accessible without DSP */
break;
default:
break;
}
return interface_mask[sdev->dspless_mode_selected];
}
#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
/*
* The default for SoundWire clock stop quirks is to power gate the IP
* and do a Bus Reset, this will need to be modified when the DSP
* needs to remain in D0i3 so that the Master does not lose context
* and enumeration is not required on clock restart
*/
static int sdw_clock_stop_quirks = SDW_INTEL_CLK_STOP_BUS_RESET;
module_param(sdw_clock_stop_quirks, int, 0444);
MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks");
static int sdw_params_stream(struct device *dev,
struct sdw_intel_stream_params_data *params_data)
{
struct snd_soc_dai *d = params_data->dai;
struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(d, params_data->substream->stream);
struct snd_sof_dai_config_data data = { 0 };
data.dai_index = (params_data->link_id << 8) | d->id;
data.dai_data = params_data->alh_stream_id;
return hda_dai_config(w, SOF_DAI_CONFIG_FLAGS_HW_PARAMS, &data);
}
struct sdw_intel_ops sdw_callback = {
.params_stream = sdw_params_stream,
};
static int sdw_ace2x_params_stream(struct device *dev,
struct sdw_intel_stream_params_data *params_data)
{
return sdw_hda_dai_hw_params(params_data->substream,
params_data->hw_params,
params_data->dai,
params_data->link_id);
}
static int sdw_ace2x_free_stream(struct device *dev,
struct sdw_intel_stream_free_data *free_data)
{
return sdw_hda_dai_hw_free(free_data->substream,
free_data->dai,
free_data->link_id);
}
static int sdw_ace2x_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai)
{
return sdw_hda_dai_trigger(substream, cmd, dai);
}
static struct sdw_intel_ops sdw_ace2x_callback = {
.params_stream = sdw_ace2x_params_stream,
.free_stream = sdw_ace2x_free_stream,
.trigger = sdw_ace2x_trigger,
};
void hda_common_enable_sdw_irq(struct snd_sof_dev *sdev, bool enable)
{
struct sof_intel_hda_dev *hdev;
hdev = sdev->pdata->hw_pdata;
if (!hdev->sdw)
return;
snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIC2,
HDA_DSP_REG_ADSPIC2_SNDW,
enable ? HDA_DSP_REG_ADSPIC2_SNDW : 0);
}
void hda_sdw_int_enable(struct snd_sof_dev *sdev, bool enable)
{
u32 interface_mask = hda_get_interface_mask(sdev);
const struct sof_intel_dsp_desc *chip;
if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
return;
chip = get_chip_info(sdev->pdata);
if (chip && chip->enable_sdw_irq)
chip->enable_sdw_irq(sdev, enable);
}
static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
{
u32 interface_mask = hda_get_interface_mask(sdev);
struct sof_intel_hda_dev *hdev;
acpi_handle handle;
int ret;
if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
return -EINVAL;
handle = ACPI_HANDLE(sdev->dev);
/* save ACPI info for the probe step */
hdev = sdev->pdata->hw_pdata;
ret = sdw_intel_acpi_scan(handle, &hdev->info);
if (ret < 0)
return -EINVAL;
return 0;
}
static int hda_sdw_probe(struct snd_sof_dev *sdev)
{
const struct sof_intel_dsp_desc *chip;
struct sof_intel_hda_dev *hdev;
struct sdw_intel_res res;
void *sdw;
hdev = sdev->pdata->hw_pdata;
memset(&res, 0, sizeof(res));
chip = get_chip_info(sdev->pdata);
if (chip->hw_ip_version < SOF_INTEL_ACE_2_0) {
res.mmio_base = sdev->bar[HDA_DSP_BAR];
res.hw_ops = &sdw_intel_cnl_hw_ops;
res.shim_base = hdev->desc->sdw_shim_base;
res.alh_base = hdev->desc->sdw_alh_base;
res.ext = false;
res.ops = &sdw_callback;
} else {
/*
* retrieve eml_lock needed to protect shared registers
* in the HDaudio multi-link areas
*/
res.eml_lock = hdac_bus_eml_get_mutex(sof_to_bus(sdev), true,
AZX_REG_ML_LEPTR_ID_SDW);
if (!res.eml_lock)
return -ENODEV;
res.mmio_base = sdev->bar[HDA_DSP_HDA_BAR];
/*
* the SHIM and SoundWire register offsets are link-specific
* and will be determined when adding auxiliary devices
*/
res.hw_ops = &sdw_intel_lnl_hw_ops;
res.ext = true;
res.ops = &sdw_ace2x_callback;
}
res.irq = sdev->ipc_irq;
res.handle = hdev->info.handle;
res.parent = sdev->dev;
res.dev = sdev->dev;
res.clock_stop_quirks = sdw_clock_stop_quirks;
res.hbus = sof_to_bus(sdev);
/*
* ops and arg fields are not populated for now,
* they will be needed when the DAI callbacks are
* provided
*/
/* we could filter links here if needed, e.g for quirks */
res.count = hdev->info.count;
res.link_mask = hdev->info.link_mask;
sdw = sdw_intel_probe(&res);
if (!sdw) {
dev_err(sdev->dev, "error: SoundWire probe failed\n");
return -EINVAL;
}
/* save context */
hdev->sdw = sdw;
return 0;
}
int hda_sdw_check_lcount_common(struct snd_sof_dev *sdev)
{
struct sof_intel_hda_dev *hdev;
struct sdw_intel_ctx *ctx;
u32 caps;
hdev = sdev->pdata->hw_pdata;
ctx = hdev->sdw;
caps = snd_sof_dsp_read(sdev, HDA_DSP_BAR, ctx->shim_base + SDW_SHIM_LCAP);
caps &= SDW_SHIM_LCAP_LCOUNT_MASK;
/* Check HW supported vs property value */
if (caps < ctx->count) {
dev_err(sdev->dev,
"%s: BIOS master count %d is larger than hardware capabilities %d\n",
__func__, ctx->count, caps);
return -EINVAL;
}
return 0;
}
int hda_sdw_check_lcount_ext(struct snd_sof_dev *sdev)
{
struct sof_intel_hda_dev *hdev;
struct sdw_intel_ctx *ctx;
struct hdac_bus *bus;
u32 slcount;
bus = sof_to_bus(sdev);
hdev = sdev->pdata->hw_pdata;
ctx = hdev->sdw;
slcount = hdac_bus_eml_get_count(bus, true, AZX_REG_ML_LEPTR_ID_SDW);
/* Check HW supported vs property value */
if (slcount < ctx->count) {
dev_err(sdev->dev,
"%s: BIOS master count %d is larger than hardware capabilities %d\n",
__func__, ctx->count, slcount);
return -EINVAL;
}
return 0;
}
static int hda_sdw_check_lcount(struct snd_sof_dev *sdev)
{
const struct sof_intel_dsp_desc *chip;
chip = get_chip_info(sdev->pdata);
if (chip && chip->read_sdw_lcount)
return chip->read_sdw_lcount(sdev);
return 0;
}
int hda_sdw_startup(struct snd_sof_dev *sdev)
{
struct sof_intel_hda_dev *hdev;
struct snd_sof_pdata *pdata = sdev->pdata;
int ret;
hdev = sdev->pdata->hw_pdata;
if (!hdev->sdw)
return 0;
if (pdata->machine && !pdata->machine->mach_params.link_mask)
return 0;
ret = hda_sdw_check_lcount(sdev);
if (ret < 0)
return ret;
return sdw_intel_startup(hdev->sdw);
}
static int hda_sdw_exit(struct snd_sof_dev *sdev)
{
struct sof_intel_hda_dev *hdev;
hdev = sdev->pdata->hw_pdata;
hda_sdw_int_enable(sdev, false);
if (hdev->sdw)
sdw_intel_exit(hdev->sdw);
hdev->sdw = NULL;
return 0;
}
bool hda_common_check_sdw_irq(struct snd_sof_dev *sdev)
{
struct sof_intel_hda_dev *hdev;
bool ret = false;
u32 irq_status;
hdev = sdev->pdata->hw_pdata;
if (!hdev->sdw)
return ret;
/* store status */
irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2);
/* invalid message ? */
if (irq_status == 0xffffffff)
goto out;
/* SDW message ? */
if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW)
ret = true;
out:
return ret;
}
static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
{
u32 interface_mask = hda_get_interface_mask(sdev);
const struct sof_intel_dsp_desc *chip;
if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
return false;
chip = get_chip_info(sdev->pdata);
if (chip && chip->check_sdw_irq)
return chip->check_sdw_irq(sdev);
return false;
}
static irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
{
return sdw_intel_thread(irq, context);
}
bool hda_sdw_check_wakeen_irq_common(struct snd_sof_dev *sdev)
{
struct sof_intel_hda_dev *hdev;
hdev = sdev->pdata->hw_pdata;
if (hdev->sdw &&
snd_sof_dsp_read(sdev, HDA_DSP_BAR,
hdev->desc->sdw_shim_base + SDW_SHIM_WAKESTS))
return true;
return false;
}
static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
{
u32 interface_mask = hda_get_interface_mask(sdev);
const struct sof_intel_dsp_desc *chip;
if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
return false;
chip = get_chip_info(sdev->pdata);
if (chip && chip->check_sdw_wakeen_irq)
return chip->check_sdw_wakeen_irq(sdev);
return false;
}
void hda_sdw_process_wakeen(struct snd_sof_dev *sdev)
{
u32 interface_mask = hda_get_interface_mask(sdev);
struct sof_intel_hda_dev *hdev;
if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
return;
hdev = sdev->pdata->hw_pdata;
if (!hdev->sdw)
return;
sdw_intel_process_wakeen_event(hdev->sdw);
}
#else /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */
static inline int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
{
return 0;
}
static inline int hda_sdw_probe(struct snd_sof_dev *sdev)
{
return 0;
}
static inline int hda_sdw_exit(struct snd_sof_dev *sdev)
{
return 0;
}
static inline bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
{
return false;
}
static inline irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
{
return IRQ_HANDLED;
}
static inline bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
{
return false;
}
#endif /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */
/*
* Debug
*/
struct hda_dsp_msg_code {
u32 code;
const char *text;
};
#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)
static bool hda_use_msi = true;
module_param_named(use_msi, hda_use_msi, bool, 0444);
MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode");
#else
#define hda_use_msi (1)
#endif
int sof_hda_position_quirk = SOF_HDA_POSITION_QUIRK_USE_DPIB_REGISTERS;
module_param_named(position_quirk, sof_hda_position_quirk, int, 0444);
MODULE_PARM_DESC(position_quirk, "SOF HDaudio position quirk");
static char *hda_model;
module_param(hda_model, charp, 0444);
MODULE_PARM_DESC(hda_model, "Use the given HDA board model.");
static int dmic_num_override = -1;
module_param_named(dmic_num, dmic_num_override, int, 0444);
MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number");
static int mclk_id_override = -1;
module_param_named(mclk_id, mclk_id_override, int, 0444);
MODULE_PARM_DESC(mclk_id, "SOF SSP mclk_id");
static const struct hda_dsp_msg_code hda_dsp_rom_fw_error_texts[] = {
{HDA_DSP_ROM_CSE_ERROR, "error: cse error"},
{HDA_DSP_ROM_CSE_WRONG_RESPONSE, "error: cse wrong response"},
{HDA_DSP_ROM_IMR_TO_SMALL, "error: IMR too small"},
{HDA_DSP_ROM_BASE_FW_NOT_FOUND, "error: base fw not found"},
{HDA_DSP_ROM_CSE_VALIDATION_FAILED, "error: signature verification failed"},
{HDA_DSP_ROM_IPC_FATAL_ERROR, "error: ipc fatal error"},
{HDA_DSP_ROM_L2_CACHE_ERROR, "error: L2 cache error"},
{HDA_DSP_ROM_LOAD_OFFSET_TO_SMALL, "error: load offset too small"},
{HDA_DSP_ROM_API_PTR_INVALID, "error: API ptr invalid"},
{HDA_DSP_ROM_BASEFW_INCOMPAT, "error: base fw incompatible"},
{HDA_DSP_ROM_UNHANDLED_INTERRUPT, "error: unhandled interrupt"},
{HDA_DSP_ROM_MEMORY_HOLE_ECC, "error: ECC memory hole"},
{HDA_DSP_ROM_KERNEL_EXCEPTION, "error: kernel exception"},
{HDA_DSP_ROM_USER_EXCEPTION, "error: user exception"},
{HDA_DSP_ROM_UNEXPECTED_RESET, "error: unexpected reset"},
{HDA_DSP_ROM_NULL_FW_ENTRY, "error: null FW entry point"},
};
#define FSR_ROM_STATE_ENTRY(state) {FSR_STATE_ROM_##state, #state}
static const struct hda_dsp_msg_code fsr_rom_state_names[] = {
FSR_ROM_STATE_ENTRY(INIT),
FSR_ROM_STATE_ENTRY(INIT_DONE),
FSR_ROM_STATE_ENTRY(CSE_MANIFEST_LOADED),
FSR_ROM_STATE_ENTRY(FW_MANIFEST_LOADED),
FSR_ROM_STATE_ENTRY(FW_FW_LOADED),
FSR_ROM_STATE_ENTRY(FW_ENTERED),
FSR_ROM_STATE_ENTRY(VERIFY_FEATURE_MASK),
FSR_ROM_STATE_ENTRY(GET_LOAD_OFFSET),
FSR_ROM_STATE_ENTRY(FETCH_ROM_EXT),
FSR_ROM_STATE_ENTRY(FETCH_ROM_EXT_DONE),
/* CSE states */
FSR_ROM_STATE_ENTRY(CSE_IMR_REQUEST),
FSR_ROM_STATE_ENTRY(CSE_IMR_GRANTED),
FSR_ROM_STATE_ENTRY(CSE_VALIDATE_IMAGE_REQUEST),
FSR_ROM_STATE_ENTRY(CSE_IMAGE_VALIDATED),
FSR_ROM_STATE_ENTRY(CSE_IPC_IFACE_INIT),
FSR_ROM_STATE_ENTRY(CSE_IPC_RESET_PHASE_1),
FSR_ROM_STATE_ENTRY(CSE_IPC_OPERATIONAL_ENTRY),
FSR_ROM_STATE_ENTRY(CSE_IPC_OPERATIONAL),
FSR_ROM_STATE_ENTRY(CSE_IPC_DOWN),
};
#define FSR_BRINGUP_STATE_ENTRY(state) {FSR_STATE_BRINGUP_##state, #state}
static const struct hda_dsp_msg_code fsr_bringup_state_names[] = {
FSR_BRINGUP_STATE_ENTRY(INIT),
FSR_BRINGUP_STATE_ENTRY(INIT_DONE),
FSR_BRINGUP_STATE_ENTRY(HPSRAM_LOAD),
FSR_BRINGUP_STATE_ENTRY(UNPACK_START),
FSR_BRINGUP_STATE_ENTRY(IMR_RESTORE),
FSR_BRINGUP_STATE_ENTRY(FW_ENTERED),
};
#define FSR_WAIT_STATE_ENTRY(state) {FSR_WAIT_FOR_##state, #state}
static const struct hda_dsp_msg_code fsr_wait_state_names[] = {
FSR_WAIT_STATE_ENTRY(IPC_BUSY),
FSR_WAIT_STATE_ENTRY(IPC_DONE),
FSR_WAIT_STATE_ENTRY(CACHE_INVALIDATION),
FSR_WAIT_STATE_ENTRY(LP_SRAM_OFF),
FSR_WAIT_STATE_ENTRY(DMA_BUFFER_FULL),
FSR_WAIT_STATE_ENTRY(CSE_CSR),
};
#define FSR_MODULE_NAME_ENTRY(mod) [FSR_MOD_##mod] = #mod
static const char * const fsr_module_names[] = {
FSR_MODULE_NAME_ENTRY(ROM),
FSR_MODULE_NAME_ENTRY(ROM_BYP),
FSR_MODULE_NAME_ENTRY(BASE_FW),
FSR_MODULE_NAME_ENTRY(LP_BOOT),
FSR_MODULE_NAME_ENTRY(BRNGUP),
FSR_MODULE_NAME_ENTRY(ROM_EXT),
};
static const char *
hda_dsp_get_state_text(u32 code, const struct hda_dsp_msg_code *msg_code,
size_t array_size)
{
int i;
for (i = 0; i < array_size; i++) {
if (code == msg_code[i].code)
return msg_code[i].text;
}
return NULL;
}
static void hda_dsp_get_state(struct snd_sof_dev *sdev, const char *level)
{
const struct sof_intel_dsp_desc *chip = get_chip_info(sdev->pdata);
const char *state_text, *error_text, *module_text;
u32 fsr, state, wait_state, module, error_code;
fsr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, chip->rom_status_reg);
state = FSR_TO_STATE_CODE(fsr);
wait_state = FSR_TO_WAIT_STATE_CODE(fsr);
module = FSR_TO_MODULE_CODE(fsr);
if (module > FSR_MOD_ROM_EXT)
module_text = "unknown";
else
module_text = fsr_module_names[module];
if (module == FSR_MOD_BRNGUP)
state_text = hda_dsp_get_state_text(state, fsr_bringup_state_names,
ARRAY_SIZE(fsr_bringup_state_names));
else
state_text = hda_dsp_get_state_text(state, fsr_rom_state_names,
ARRAY_SIZE(fsr_rom_state_names));
/* not for us, must be generic sof message */
if (!state_text) {
dev_printk(level, sdev->dev, "%#010x: unknown ROM status value\n", fsr);
return;
}
if (wait_state) {
const char *wait_state_text;
wait_state_text = hda_dsp_get_state_text(wait_state, fsr_wait_state_names,
ARRAY_SIZE(fsr_wait_state_names));
if (!wait_state_text)
wait_state_text = "unknown";
dev_printk(level, sdev->dev,
"%#010x: module: %s, state: %s, waiting for: %s, %s\n",
fsr, module_text, state_text, wait_state_text,
fsr & FSR_HALTED ? "not running" : "running");
} else {
dev_printk(level, sdev->dev, "%#010x: module: %s, state: %s, %s\n",
fsr, module_text, state_text,
fsr & FSR_HALTED ? "not running" : "running");
}
error_code = snd_sof_dsp_read(sdev, HDA_DSP_BAR, chip->rom_status_reg + 4);
if (!error_code)
return;
error_text = hda_dsp_get_state_text(error_code, hda_dsp_rom_fw_error_texts,
ARRAY_SIZE(hda_dsp_rom_fw_error_texts));
if (!error_text)
error_text = "unknown";
if (state == FSR_STATE_FW_ENTERED)
dev_printk(level, sdev->dev, "status code: %#x (%s)\n", error_code,
error_text);
else
dev_printk(level, sdev->dev, "error code: %#x (%s)\n", error_code,
error_text);
}
static void hda_dsp_get_registers(struct snd_sof_dev *sdev,
struct sof_ipc_dsp_oops_xtensa *xoops,
struct sof_ipc_panic_info *panic_info,
u32 *stack, size_t stack_words)
{
u32 offset = sdev->dsp_oops_offset;
/* first read registers */
sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops));
/* note: variable AR register array is not read */
/* then get panic info */
if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) {
dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n",
xoops->arch_hdr.totalsize);
return;
}
offset += xoops->arch_hdr.totalsize;
sof_block_read(sdev, sdev->mmio_bar, offset,
panic_info, sizeof(*panic_info));
/* then get the stack */
offset += sizeof(*panic_info);
sof_block_read(sdev, sdev->mmio_bar, offset, stack,
stack_words * sizeof(u32));
}
/* dump the first 8 dwords representing the extended ROM status */
static void hda_dsp_dump_ext_rom_status(struct snd_sof_dev *sdev, const char *level,
u32 flags)
{
const struct sof_intel_dsp_desc *chip;
char msg[128];
int len = 0;
u32 value;
int i;
chip = get_chip_info(sdev->pdata);
for (i = 0; i < HDA_EXT_ROM_STATUS_SIZE; i++) {
value = snd_sof_dsp_read(sdev, HDA_DSP_BAR, chip->rom_status_reg + i * 0x4);
len += scnprintf(msg + len, sizeof(msg) - len, " 0x%x", value);
}
dev_printk(level, sdev->dev, "extended rom status: %s", msg);
}
void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags)
{
char *level = (flags & SOF_DBG_DUMP_OPTIONAL) ? KERN_DEBUG : KERN_ERR;
struct sof_ipc_dsp_oops_xtensa xoops;
struct sof_ipc_panic_info panic_info;
u32 stack[HDA_DSP_STACK_DUMP_SIZE];
/* print ROM/FW status */
hda_dsp_get_state(sdev, level);
/* The firmware register dump only available with IPC3 */
if (flags & SOF_DBG_DUMP_REGS && sdev->pdata->ipc_type == SOF_IPC_TYPE_3) {
u32 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_STATUS);
u32 panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_TRACEP);
hda_dsp_get_registers(sdev, &xoops, &panic_info, stack,
HDA_DSP_STACK_DUMP_SIZE);
sof_print_oops_and_stack(sdev, level, status, panic, &xoops,
&panic_info, stack, HDA_DSP_STACK_DUMP_SIZE);
} else {
hda_dsp_dump_ext_rom_status(sdev, level, flags);
}
}
void hda_ipc4_dsp_dump(struct snd_sof_dev *sdev, u32 flags)
{
char *level = (flags & SOF_DBG_DUMP_OPTIONAL) ? KERN_DEBUG : KERN_ERR;
/* print ROM/FW status */
hda_dsp_get_state(sdev, level);
if (flags & SOF_DBG_DUMP_REGS)
sof_ipc4_intel_dump_telemetry_state(sdev, flags);
else
hda_dsp_dump_ext_rom_status(sdev, level, flags);
}
static bool hda_check_ipc_irq(struct snd_sof_dev *sdev)
{
const struct sof_intel_dsp_desc *chip;
chip = get_chip_info(sdev->pdata);
if (chip && chip->check_ipc_irq)
return chip->check_ipc_irq(sdev);
return false;
}
void hda_ipc_irq_dump(struct snd_sof_dev *sdev)
{
u32 adspis;
u32 intsts;
u32 intctl;
u32 ppsts;
u8 rirbsts;
/* read key IRQ stats and config registers */
adspis = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS);
intsts = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS);
intctl = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL);
ppsts = snd_sof_dsp_read(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPSTS);
rirbsts = snd_sof_dsp_read8(sdev, HDA_DSP_HDA_BAR, AZX_REG_RIRBSTS);
dev_err(sdev->dev, "hda irq intsts 0x%8.8x intlctl 0x%8.8x rirb %2.2x\n",
intsts, intctl, rirbsts);
dev_err(sdev->dev, "dsp irq ppsts 0x%8.8x adspis 0x%8.8x\n", ppsts, adspis);
}
void hda_ipc_dump(struct snd_sof_dev *sdev)
{
u32 hipcie;
u32 hipct;
u32 hipcctl;
hda_ipc_irq_dump(sdev);
/* read IPC status */
hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE);
hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT);
hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL);
/* dump the IPC regs */
/* TODO: parse the raw msg */
dev_err(sdev->dev, "host status 0x%8.8x dsp status 0x%8.8x mask 0x%8.8x\n",
hipcie, hipct, hipcctl);
}
void hda_ipc4_dump(struct snd_sof_dev *sdev)
{
u32 hipci, hipcie, hipct, hipcte, hipcctl;
hda_ipc_irq_dump(sdev);
hipci = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCI);
hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE);
hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT);
hipcte = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCTE);
hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL);
/* dump the IPC regs */
/* TODO: parse the raw msg */
dev_err(sdev->dev, "Host IPC initiator: %#x|%#x, target: %#x|%#x, ctl: %#x\n",
hipci, hipcie, hipct, hipcte, hipcctl);
}
bool hda_ipc4_tx_is_busy(struct snd_sof_dev *sdev)
{
struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
const struct sof_intel_dsp_desc *chip = hda->desc;
u32 val;
val = snd_sof_dsp_read(sdev, HDA_DSP_BAR, chip->ipc_req);
return !!(val & chip->ipc_req_mask);
}
static int hda_init(struct snd_sof_dev *sdev)
{
struct hda_bus *hbus;
struct hdac_bus *bus;
struct pci_dev *pci = to_pci_dev(sdev->dev);
int ret;
hbus = sof_to_hbus(sdev);
bus = sof_to_bus(sdev);
/* HDA bus init */
sof_hda_bus_init(sdev, &pci->dev);
if (sof_hda_position_quirk == SOF_HDA_POSITION_QUIRK_USE_DPIB_REGISTERS)
bus->use_posbuf = 0;
else
bus->use_posbuf = 1;
bus->bdl_pos_adj = 0;
bus->sync_write = 1;
mutex_init(&hbus->prepare_mutex);
hbus->pci = pci;
hbus->mixer_assigned = -1;
hbus->modelname = hda_model;
/* initialise hdac bus */
bus->addr = pci_resource_start(pci, 0);
bus->remap_addr = pci_ioremap_bar(pci, 0);
if (!bus->remap_addr) {
dev_err(bus->dev, "error: ioremap error\n");
return -ENXIO;
}
/* HDA base */
sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr;
/* init i915 and HDMI codecs */
ret = hda_codec_i915_init(sdev);
if (ret < 0 && ret != -ENODEV) {
dev_err_probe(sdev->dev, ret, "init of i915 and HDMI codec failed\n");
goto out;
}
/* get controller capabilities */
ret = hda_dsp_ctrl_get_caps(sdev);
if (ret < 0) {
dev_err(sdev->dev, "error: get caps error\n");
hda_codec_i915_exit(sdev);
}
out:
if (ret < 0)
iounmap(sof_to_bus(sdev)->remap_addr);
return ret;
}
static int check_dmic_num(struct snd_sof_dev *sdev)
{
struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
struct nhlt_acpi_table *nhlt;
int dmic_num = 0;
nhlt = hdev->nhlt;
if (nhlt)
dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt);
/* allow for module parameter override */
if (dmic_num_override != -1) {
dev_dbg(sdev->dev,
"overriding DMICs detected in NHLT tables %d by kernel param %d\n",
dmic_num, dmic_num_override);
dmic_num = dmic_num_override;
}
if (dmic_num < 0 || dmic_num > 4) {
dev_dbg(sdev->dev, "invalid dmic_number %d\n", dmic_num);
dmic_num = 0;
}
return dmic_num;
}
static int check_nhlt_ssp_mask(struct snd_sof_dev *sdev)
{
struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
struct nhlt_acpi_table *nhlt;
int ssp_mask = 0;
nhlt = hdev->nhlt;
if (!nhlt)
return ssp_mask;
if (intel_nhlt_has_endpoint_type(nhlt, NHLT_LINK_SSP)) {
ssp_mask = intel_nhlt_ssp_endpoint_mask(nhlt, NHLT_DEVICE_I2S);
if (ssp_mask)
dev_info(sdev->dev, "NHLT_DEVICE_I2S detected, ssp_mask %#x\n", ssp_mask);
}
return ssp_mask;
}
static int check_nhlt_ssp_mclk_mask(struct snd_sof_dev *sdev, int ssp_num)
{
struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
struct nhlt_acpi_table *nhlt;
nhlt = hdev->nhlt;
if (!nhlt)
return 0;
return intel_nhlt_ssp_mclk_mask(nhlt, ssp_num);
}
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
static const char *fixup_tplg_name(struct snd_sof_dev *sdev,
const char *sof_tplg_filename,
const char *idisp_str,
const char *dmic_str)
{
const char *tplg_filename = NULL;
char *filename, *tmp;
const char *split_ext;
filename = kstrdup(sof_tplg_filename, GFP_KERNEL);
if (!filename)
return NULL;
/* this assumes a .tplg extension */
tmp = filename;
split_ext = strsep(&tmp, ".");
if (split_ext)
tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
"%s%s%s.tplg",
split_ext, idisp_str, dmic_str);
kfree(filename);
return tplg_filename;
}
static int dmic_detect_topology_fixup(struct snd_sof_dev *sdev,
const char **tplg_filename,
const char *idisp_str,
int *dmic_found,
bool tplg_fixup)
{
const char *dmic_str;
int dmic_num;
/* first check for DMICs (using NHLT or module parameter) */
dmic_num = check_dmic_num(sdev);
switch (dmic_num) {
case 1:
dmic_str = "-1ch";
break;
case 2:
dmic_str = "-2ch";
break;
case 3:
dmic_str = "-3ch";
break;
case 4:
dmic_str = "-4ch";
break;
default:
dmic_num = 0;
dmic_str = "";
break;
}
if (tplg_fixup) {
const char *default_tplg_filename = *tplg_filename;
const char *fixed_tplg_filename;
fixed_tplg_filename = fixup_tplg_name(sdev, default_tplg_filename,
idisp_str, dmic_str);
if (!fixed_tplg_filename)
return -ENOMEM;
*tplg_filename = fixed_tplg_filename;
}
dev_info(sdev->dev, "DMICs detected in NHLT tables: %d\n", dmic_num);
*dmic_found = dmic_num;
return 0;
}
#endif
static int hda_init_caps(struct snd_sof_dev *sdev)
{
u32 interface_mask = hda_get_interface_mask(sdev);
struct hdac_bus *bus = sof_to_bus(sdev);
struct snd_sof_pdata *pdata = sdev->pdata;
struct sof_intel_hda_dev *hdev = pdata->hw_pdata;
u32 link_mask;
int ret = 0;
/* check if dsp is there */
if (bus->ppcap)
dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n");
/* Init HDA controller after i915 init */
ret = hda_dsp_ctrl_init_chip(sdev);
if (ret < 0) {
dev_err(bus->dev, "error: init chip failed with ret: %d\n",
ret);
return ret;
}
hda_bus_ml_init(bus);
/* Skip SoundWire if it is not supported */
if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
goto skip_soundwire;
/* scan SoundWire capabilities exposed by DSDT */
ret = hda_sdw_acpi_scan(sdev);
if (ret < 0) {
dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n");
goto skip_soundwire;
}
link_mask = hdev->info.link_mask;
if (!link_mask) {
dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n");
goto skip_soundwire;
}
/*
* probe/allocate SoundWire resources.
* The hardware configuration takes place in hda_sdw_startup
* after power rails are enabled.
* It's entirely possible to have a mix of I2S/DMIC/SoundWire
* devices, so we allocate the resources in all cases.
*/
ret = hda_sdw_probe(sdev);
if (ret < 0) {
dev_err(sdev->dev, "error: SoundWire probe error\n");
return ret;
}
skip_soundwire:
/* create codec instances */
hda_codec_probe_bus(sdev);
if (!HDA_IDISP_CODEC(bus->codec_mask))
hda_codec_i915_display_power(sdev, false);
hda_bus_ml_put_all(bus);
return 0;
}
static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context)
{
struct snd_sof_dev *sdev = context;
/*
* Get global interrupt status. It includes all hardware interrupt
* sources in the Intel HD Audio controller.
*/
if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) &
SOF_HDA_INTSTS_GIS) {
/* disable GIE interrupt */
snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
SOF_HDA_INTCTL,
SOF_HDA_INT_GLOBAL_EN,
0);
return IRQ_WAKE_THREAD;
}
return IRQ_NONE;
}
static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context)
{
struct snd_sof_dev *sdev = context;
struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
/* deal with streams and controller first */
if (hda_dsp_check_stream_irq(sdev)) {
trace_sof_intel_hda_irq(sdev, "stream");
hda_dsp_stream_threaded_handler(irq, sdev);
}
if (hda_check_ipc_irq(sdev)) {
trace_sof_intel_hda_irq(sdev, "ipc");
sof_ops(sdev)->irq_thread(irq, sdev);
}
if (hda_dsp_check_sdw_irq(sdev)) {
trace_sof_intel_hda_irq(sdev, "sdw");
hda_dsp_sdw_thread(irq, hdev->sdw);
}
if (hda_sdw_check_wakeen_irq(sdev)) {
trace_sof_intel_hda_irq(sdev, "wakeen");
hda_sdw_process_wakeen(sdev);
}
hda_codec_check_for_state_change(sdev);
/* enable GIE interrupt */
snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
SOF_HDA_INTCTL,
SOF_HDA_INT_GLOBAL_EN,
SOF_HDA_INT_GLOBAL_EN);
return IRQ_HANDLED;
}
int hda_dsp_probe_early(struct snd_sof_dev *sdev)
{
struct pci_dev *pci = to_pci_dev(sdev->dev);
struct sof_intel_hda_dev *hdev;
const struct sof_intel_dsp_desc *chip;
int ret = 0;
if (!sdev->dspless_mode_selected) {
/*
* detect DSP by checking class/subclass/prog-id information
* class=04 subclass 03 prog-if 00: no DSP, legacy driver is required
* class=04 subclass 01 prog-if 00: DSP is present
* (and may be required e.g. for DMIC or SSP support)
* class=04 subclass 03 prog-if 80: either of DSP or legacy mode works
*/
if (pci->class == 0x040300) {
dev_err(sdev->dev, "the DSP is not enabled on this platform, aborting probe\n");
return -ENODEV;
} else if (pci->class != 0x040100 && pci->class != 0x040380) {
dev_err(sdev->dev, "unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n",
pci->class);
return -ENODEV;
}
dev_info(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n",
pci->class);
}
chip = get_chip_info(sdev->pdata);
if (!chip) {
dev_err(sdev->dev, "error: no such device supported, chip id:%x\n",
pci->device);
ret = -EIO;
goto err;
}
sdev->num_cores = chip->cores_num;
hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL);
if (!hdev)
return -ENOMEM;
sdev->pdata->hw_pdata = hdev;
hdev->desc = chip;
ret = hda_init(sdev);
err:
return ret;
}
int hda_dsp_probe(struct snd_sof_dev *sdev)
{
struct pci_dev *pci = to_pci_dev(sdev->dev);
struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
int ret = 0;
hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec",
PLATFORM_DEVID_NONE,
NULL, 0);
if (IS_ERR(hdev->dmic_dev)) {
dev_err(sdev->dev, "error: failed to create DMIC device\n");
return PTR_ERR(hdev->dmic_dev);
}
/*
* use position update IPC if either it is forced
* or we don't have other choice
*/
#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION)
hdev->no_ipc_position = 0;
#else
hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0;
#endif
if (sdev->dspless_mode_selected)
hdev->no_ipc_position = 1;
if (sdev->dspless_mode_selected)
goto skip_dsp_setup;
/* DSP base */
sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR);
if (!sdev->bar[HDA_DSP_BAR]) {
dev_err(sdev->dev, "error: ioremap error\n");
ret = -ENXIO;
goto hdac_bus_unmap;
}
sdev->mmio_bar = HDA_DSP_BAR;
sdev->mailbox_bar = HDA_DSP_BAR;
skip_dsp_setup:
/* allow 64bit DMA address if supported by H/W */
if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(64))) {
dev_dbg(sdev->dev, "DMA mask is 32 bit\n");
dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32));
}
dma_set_max_seg_size(&pci->dev, UINT_MAX);
/* init streams */
ret = hda_dsp_stream_init(sdev);
if (ret < 0) {
dev_err(sdev->dev, "error: failed to init streams\n");
/*
* not all errors are due to memory issues, but trying
* to free everything does not harm
*/
goto free_streams;
}
/*
* register our IRQ
* let's try to enable msi firstly
* if it fails, use legacy interrupt mode
* TODO: support msi multiple vectors
*/
if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) {
dev_info(sdev->dev, "use msi interrupt mode\n");
sdev->ipc_irq = pci_irq_vector(pci, 0);
/* initialised to "false" by kzalloc() */
sdev->msi_enabled = true;
}
if (!sdev->msi_enabled) {
dev_info(sdev->dev, "use legacy interrupt mode\n");
/*
* in IO-APIC mode, hda->irq and ipc_irq are using the same
* irq number of pci->irq
*/
sdev->ipc_irq = pci->irq;
}
dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq);
ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler,
hda_dsp_interrupt_thread,
IRQF_SHARED, "AudioDSP", sdev);
if (ret < 0) {
dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n",
sdev->ipc_irq);
goto free_irq_vector;
}
pci_set_master(pci);
synchronize_irq(pci->irq);
/*
* clear TCSEL to clear playback on some HD Audio
* codecs. PCI TCSEL is defined in the Intel manuals.
*/
snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0);
/* init HDA capabilities */
ret = hda_init_caps(sdev);
if (ret < 0)
goto free_ipc_irq;
if (!sdev->dspless_mode_selected) {
/* enable ppcap interrupt */
hda_dsp_ctrl_ppcap_enable(sdev, true);
hda_dsp_ctrl_ppcap_int_enable(sdev, true);
/* set default mailbox offset for FW ready message */
sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET;
INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work);
}
init_waitqueue_head(&hdev->waitq);
hdev->nhlt = intel_nhlt_init(sdev->dev);
return 0;
free_ipc_irq:
free_irq(sdev->ipc_irq, sdev);
free_irq_vector:
if (sdev->msi_enabled)
pci_free_irq_vectors(pci);
free_streams:
hda_dsp_stream_free(sdev);
/* dsp_unmap: not currently used */
if (!sdev->dspless_mode_selected)
iounmap(sdev->bar[HDA_DSP_BAR]);
hdac_bus_unmap:
platform_device_unregister(hdev->dmic_dev);
return ret;
}
void hda_dsp_remove(struct snd_sof_dev *sdev)
{
struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
const struct sof_intel_dsp_desc *chip = hda->desc;
struct pci_dev *pci = to_pci_dev(sdev->dev);
struct nhlt_acpi_table *nhlt = hda->nhlt;
if (nhlt)
intel_nhlt_free(nhlt);
if (!sdev->dspless_mode_selected)
/* cancel any attempt for DSP D0I3 */
cancel_delayed_work_sync(&hda->d0i3_work);
hda_codec_device_remove(sdev);
hda_sdw_exit(sdev);
if (!IS_ERR_OR_NULL(hda->dmic_dev))
platform_device_unregister(hda->dmic_dev);
if (!sdev->dspless_mode_selected) {
/* disable DSP IRQ */
snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
SOF_HDA_PPCTL_PIE, 0);
}
/* disable CIE and GIE interrupts */
snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL,
SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0);
if (sdev->dspless_mode_selected)
goto skip_disable_dsp;
/* no need to check for error as the DSP will be disabled anyway */
if (chip && chip->power_down_dsp)
chip->power_down_dsp(sdev);
/* disable DSP */
snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
SOF_HDA_PPCTL_GPROCEN, 0);
skip_disable_dsp:
free_irq(sdev->ipc_irq, sdev);
if (sdev->msi_enabled)
pci_free_irq_vectors(pci);
hda_dsp_stream_free(sdev);
hda_bus_ml_free(sof_to_bus(sdev));
if (!sdev->dspless_mode_selected)
iounmap(sdev->bar[HDA_DSP_BAR]);
}
int hda_dsp_remove_late(struct snd_sof_dev *sdev)
{
iounmap(sof_to_bus(sdev)->remap_addr);
sof_hda_bus_exit(sdev);
hda_codec_i915_exit(sdev);
return 0;
}
int hda_power_down_dsp(struct snd_sof_dev *sdev)
{
struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
const struct sof_intel_dsp_desc *chip = hda->desc;
return hda_dsp_core_reset_power_down(sdev, chip->host_managed_cores_mask);
}
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
static void hda_generic_machine_select(struct snd_sof_dev *sdev,
struct snd_soc_acpi_mach **mach)
{
struct hdac_bus *bus = sof_to_bus(sdev);
struct snd_soc_acpi_mach_params *mach_params;
struct snd_soc_acpi_mach *hda_mach;
struct snd_sof_pdata *pdata = sdev->pdata;
const char *tplg_filename;
const char *idisp_str;
int dmic_num = 0;
int codec_num = 0;
int ret;
int i;
/* codec detection */
if (!bus->codec_mask) {
dev_info(bus->dev, "no hda codecs found!\n");
} else {
dev_info(bus->dev, "hda codecs found, mask %lx\n",
bus->codec_mask);
for (i = 0; i < HDA_MAX_CODECS; i++) {
if (bus->codec_mask & (1 << i))
codec_num++;
}
/*
* If no machine driver is found, then:
*
* generic hda machine driver can handle:
* - one HDMI codec, and/or
* - one external HDAudio codec
*/
if (!*mach && codec_num <= 2) {
bool tplg_fixup;
hda_mach = snd_soc_acpi_intel_hda_machines;
dev_info(bus->dev, "using HDA machine driver %s now\n",
hda_mach->drv_name);
if (codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask))
idisp_str = "-idisp";
else
idisp_str = "";
/* topology: use the info from hda_machines */
if (pdata->tplg_filename) {
tplg_fixup = false;
tplg_filename = pdata->tplg_filename;
} else {
tplg_fixup = true;
tplg_filename = hda_mach->sof_tplg_filename;
}
ret = dmic_detect_topology_fixup(sdev, &tplg_filename, idisp_str, &dmic_num,
tplg_fixup);
if (ret < 0)
return;
hda_mach->mach_params.dmic_num = dmic_num;
pdata->tplg_filename = tplg_filename;
if (codec_num == 2 ||
(codec_num == 1 && !HDA_IDISP_CODEC(bus->codec_mask))) {
/*
* Prevent SoundWire links from starting when an external
* HDaudio codec is used
*/
hda_mach->mach_params.link_mask = 0;
} else {
/*
* Allow SoundWire links to start when no external HDaudio codec
* was detected. This will not create a SoundWire card but
* will help detect if any SoundWire codec reports as ATTACHED.
*/
struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
hda_mach->mach_params.link_mask = hdev->info.link_mask;
}
*mach = hda_mach;
}
}
/* used by hda machine driver to create dai links */
if (*mach) {
mach_params = &(*mach)->mach_params;
mach_params->codec_mask = bus->codec_mask;
mach_params->common_hdmi_codec_drv = true;
}
}
#else
static void hda_generic_machine_select(struct snd_sof_dev *sdev,
struct snd_soc_acpi_mach **mach)
{
}
#endif
#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev)
{
struct snd_sof_pdata *pdata = sdev->pdata;
const struct snd_soc_acpi_link_adr *link;
struct snd_soc_acpi_mach *mach;
struct sof_intel_hda_dev *hdev;
u32 link_mask;
int i;
hdev = pdata->hw_pdata;
link_mask = hdev->info.link_mask;
/*
* Select SoundWire machine driver if needed using the
* alternate tables. This case deals with SoundWire-only
* machines, for mixed cases with I2C/I2S the detection relies
* on the HID list.
*/
if (link_mask) {
for (mach = pdata->desc->alt_machines;
mach && mach->link_mask; mach++) {
/*
* On some platforms such as Up Extreme all links
* are enabled but only one link can be used by
* external codec. Instead of exact match of two masks,
* first check whether link_mask of mach is subset of
* link_mask supported by hw and then go on searching
* link_adr
*/
if (~link_mask & mach->link_mask)
continue;
/* No need to match adr if there is no links defined */
if (!mach->links)
break;
link = mach->links;
for (i = 0; i < hdev->info.count && link->num_adr;
i++, link++) {
/*
* Try next machine if any expected Slaves
* are not found on this link.
*/
if (!snd_soc_acpi_sdw_link_slaves_found(sdev->dev, link,
hdev->sdw->ids,
hdev->sdw->num_slaves))
break;
}
/* Found if all Slaves are checked */
if (i == hdev->info.count || !link->num_adr)
break;
}
if (mach && mach->link_mask) {
int dmic_num = 0;
bool tplg_fixup;
const char *tplg_filename;
mach->mach_params.links = mach->links;
mach->mach_params.link_mask = mach->link_mask;
mach->mach_params.platform = dev_name(sdev->dev);
if (pdata->tplg_filename) {
tplg_fixup = false;
} else {
tplg_fixup = true;
tplg_filename = mach->sof_tplg_filename;
}
/*
* DMICs use up to 4 pins and are typically pin-muxed with SoundWire
* link 2 and 3, or link 1 and 2, thus we only try to enable dmics
* if all conditions are true:
* a) 2 or fewer links are used by SoundWire
* b) the NHLT table reports the presence of microphones
*/
if (hweight_long(mach->link_mask) <= 2) {
int ret;
ret = dmic_detect_topology_fixup(sdev, &tplg_filename, "",
&dmic_num, tplg_fixup);
if (ret < 0)
return NULL;
}
if (tplg_fixup)
pdata->tplg_filename = tplg_filename;
mach->mach_params.dmic_num = dmic_num;
dev_dbg(sdev->dev,
"SoundWire machine driver %s topology %s\n",
mach->drv_name,
pdata->tplg_filename);
return mach;
}
dev_info(sdev->dev, "No SoundWire machine driver found\n");
}
return NULL;
}
#else
static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev)
{
return NULL;
}
#endif
void hda_set_mach_params(struct snd_soc_acpi_mach *mach,
struct snd_sof_dev *sdev)
{
struct snd_sof_pdata *pdata = sdev->pdata;
const struct sof_dev_desc *desc = pdata->desc;
struct snd_soc_acpi_mach_params *mach_params;
mach_params = &mach->mach_params;
mach_params->platform = dev_name(sdev->dev);
if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) &&
sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC))
mach_params->num_dai_drivers = SOF_SKL_NUM_DAIS_NOCODEC;
else
mach_params->num_dai_drivers = desc->ops->num_drv;
mach_params->dai_drivers = desc->ops->drv;
}
struct snd_soc_acpi_mach *hda_machine_select(struct snd_sof_dev *sdev)
{
u32 interface_mask = hda_get_interface_mask(sdev);
struct snd_sof_pdata *sof_pdata = sdev->pdata;
const struct sof_dev_desc *desc = sof_pdata->desc;
struct snd_soc_acpi_mach *mach = NULL;
const char *tplg_filename;
/* Try I2S or DMIC if it is supported */
if (interface_mask & (BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC)))
mach = snd_soc_acpi_find_machine(desc->machines);
if (mach) {
bool add_extension = false;
bool tplg_fixup = false;
/*
* If tplg file name is overridden, use it instead of
* the one set in mach table
*/
if (!sof_pdata->tplg_filename) {
sof_pdata->tplg_filename = mach->sof_tplg_filename;
tplg_fixup = true;
}
/* report to machine driver if any DMICs are found */
mach->mach_params.dmic_num = check_dmic_num(sdev);
if (tplg_fixup &&
mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_DMIC_NUMBER &&
mach->mach_params.dmic_num) {
tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
"%s%s%d%s",
sof_pdata->tplg_filename,
"-dmic",
mach->mach_params.dmic_num,
"ch");
if (!tplg_filename)
return NULL;
sof_pdata->tplg_filename = tplg_filename;
add_extension = true;
}
if (mach->link_mask) {
mach->mach_params.links = mach->links;
mach->mach_params.link_mask = mach->link_mask;
}
/* report SSP link mask to machine driver */
mach->mach_params.i2s_link_mask = check_nhlt_ssp_mask(sdev);
if (tplg_fixup &&
mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_NUMBER &&
mach->mach_params.i2s_link_mask) {
const struct sof_intel_dsp_desc *chip = get_chip_info(sdev->pdata);
int ssp_num;
int mclk_mask;
if (hweight_long(mach->mach_params.i2s_link_mask) > 1 &&
!(mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_MSB))
dev_warn(sdev->dev, "More than one SSP exposed by NHLT, choosing MSB\n");
/* fls returns 1-based results, SSPs indices are 0-based */
ssp_num = fls(mach->mach_params.i2s_link_mask) - 1;
if (ssp_num >= chip->ssp_count) {
dev_err(sdev->dev, "Invalid SSP %d, max on this platform is %d\n",
ssp_num, chip->ssp_count);
return NULL;
}
tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
"%s%s%d",
sof_pdata->tplg_filename,
"-ssp",
ssp_num);
if (!tplg_filename)
return NULL;
sof_pdata->tplg_filename = tplg_filename;
add_extension = true;
mclk_mask = check_nhlt_ssp_mclk_mask(sdev, ssp_num);
if (mclk_mask < 0) {
dev_err(sdev->dev, "Invalid MCLK configuration\n");
return NULL;
}
dev_dbg(sdev->dev, "MCLK mask %#x found in NHLT\n", mclk_mask);
if (mclk_mask) {
dev_info(sdev->dev, "Overriding topology with MCLK mask %#x from NHLT\n", mclk_mask);
sdev->mclk_id_override = true;
sdev->mclk_id_quirk = (mclk_mask & BIT(0)) ? 0 : 1;
}
}
if (tplg_fixup && add_extension) {
tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
"%s%s",
sof_pdata->tplg_filename,
".tplg");
if (!tplg_filename)
return NULL;
sof_pdata->tplg_filename = tplg_filename;
}
/* check if mclk_id should be modified from topology defaults */
if (mclk_id_override >= 0) {
dev_info(sdev->dev, "Overriding topology with MCLK %d from kernel_parameter\n", mclk_id_override);
sdev->mclk_id_override = true;
sdev->mclk_id_quirk = mclk_id_override;
}
}
/* If I2S fails, try SoundWire if it is supported */
if (!mach && (interface_mask & BIT(SOF_DAI_INTEL_ALH)))
mach = hda_sdw_machine_select(sdev);
/*
* Choose HDA generic machine driver if mach is NULL.
* Otherwise, set certain mach params.
*/
hda_generic_machine_select(sdev, &mach);
if (!mach)
dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");
return mach;
}
int hda_pci_intel_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
{
int ret;
ret = snd_intel_dsp_driver_probe(pci);
if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) {
dev_dbg(&pci->dev, "SOF PCI driver not selected, aborting probe\n");
return -ENODEV;
}
return sof_pci_probe(pci, pci_id);
}
EXPORT_SYMBOL_NS(hda_pci_intel_probe, SND_SOC_SOF_INTEL_HDA_COMMON);
int hda_register_clients(struct snd_sof_dev *sdev)
{
return hda_probes_register(sdev);
}
void hda_unregister_clients(struct snd_sof_dev *sdev)
{
hda_probes_unregister(sdev);
}
MODULE_LICENSE("Dual BSD/GPL");
MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);
MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC);
MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC_I915);
MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
MODULE_IMPORT_NS(SND_INTEL_SOUNDWIRE_ACPI);
MODULE_IMPORT_NS(SOUNDWIRE_INTEL_INIT);
MODULE_IMPORT_NS(SOUNDWIRE_INTEL);
MODULE_IMPORT_NS(SND_SOC_SOF_HDA_MLINK);
|