aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
blob: 77eb952a744ac3aea92d205121eb78aac17f7120 (plain)
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
/*
 * linux/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
 *
 * Copyright (C) 2011 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com/
 * Kamil Debski, <k.debski@samsung.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

#include <linux/clk.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/version.h>
#include <linux/videodev2.h>
#include <linux/workqueue.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-event.h>
#include <media/videobuf2-core.h>
#include "s5p_mfc_common.h"
#include "s5p_mfc_ctrl.h"
#include "s5p_mfc_debug.h"
#include "s5p_mfc_dec.h"
#include "s5p_mfc_intr.h"
#include "s5p_mfc_opr.h"
#include "s5p_mfc_pm.h"

static struct s5p_mfc_fmt formats[] = {
	{
		.name		= "4:2:0 2 Planes 16x16 Tiles",
		.fourcc		= V4L2_PIX_FMT_NV12MT_16X16,
		.codec_mode	= S5P_MFC_CODEC_NONE,
		.type		= MFC_FMT_RAW,
		.num_planes	= 2,
		.versions	= MFC_V6_BIT | MFC_V7_BIT,
	},
	{
		.name		= "4:2:0 2 Planes 64x32 Tiles",
		.fourcc		= V4L2_PIX_FMT_NV12MT,
		.codec_mode	= S5P_MFC_CODEC_NONE,
		.type		= MFC_FMT_RAW,
		.num_planes	= 2,
		.versions	= MFC_V5_BIT,
	},
	{
		.name		= "4:2:0 2 Planes Y/CbCr",
		.fourcc		= V4L2_PIX_FMT_NV12M,
		.codec_mode	= S5P_MFC_CODEC_NONE,
		.type		= MFC_FMT_RAW,
		.num_planes	= 2,
		.versions	= MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT,
	},
	{
		.name		= "4:2:0 2 Planes Y/CrCb",
		.fourcc		= V4L2_PIX_FMT_NV21M,
		.codec_mode	= S5P_MFC_CODEC_NONE,
		.type		= MFC_FMT_RAW,
		.num_planes	= 2,
		.versions	= MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT,
	},
	{
		.name		= "H264 Encoded Stream",
		.fourcc		= V4L2_PIX_FMT_H264,
		.codec_mode	= S5P_MFC_CODEC_H264_DEC,
		.type		= MFC_FMT_DEC,
		.num_planes	= 1,
		.versions	= MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
								MFC_V8_BIT,
	},
	{
		.name		= "H264/MVC Encoded Stream",
		.fourcc		= V4L2_PIX_FMT_H264_MVC,
		.codec_mode	= S5P_MFC_CODEC_H264_MVC_DEC,
		.type		= MFC_FMT_DEC,
		.num_planes	= 1,
		.versions	= MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT,
	},
	{
		.name		= "H263 Encoded Stream",
		.fourcc		= V4L2_PIX_FMT_H263,
		.codec_mode	= S5P_MFC_CODEC_H263_DEC,
		.type		= MFC_FMT_DEC,
		.num_planes	= 1,
		.versions	= MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
								MFC_V8_BIT,
	},
	{
		.name		= "MPEG1 Encoded Stream",
		.fourcc		= V4L2_PIX_FMT_MPEG1,
		.codec_mode	= S5P_MFC_CODEC_MPEG2_DEC,
		.type		= MFC_FMT_DEC,
		.num_planes	= 1,
		.versions	= MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
								MFC_V8_BIT,
	},
	{
		.name		= "MPEG2 Encoded Stream",
		.fourcc		= V4L2_PIX_FMT_MPEG2,
		.codec_mode	= S5P_MFC_CODEC_MPEG2_DEC,
		.type		= MFC_FMT_DEC,
		.num_planes	= 1,
		.versions	= MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
								MFC_V8_BIT,
	},
	{
		.name		= "MPEG4 Encoded Stream",
		.fourcc		= V4L2_PIX_FMT_MPEG4,
		.codec_mode	= S5P_MFC_CODEC_MPEG4_DEC,
		.type		= MFC_FMT_DEC,
		.num_planes	= 1,
		.versions	= MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
								MFC_V8_BIT,
	},
	{
		.name		= "XviD Encoded Stream",
		.fourcc		= V4L2_PIX_FMT_XVID,
		.codec_mode	= S5P_MFC_CODEC_MPEG4_DEC,
		.type		= MFC_FMT_DEC,
		.num_planes	= 1,
		.versions	= MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
								MFC_V8_BIT,
	},
	{
		.name		= "VC1 Encoded Stream",
		.fourcc		= V4L2_PIX_FMT_VC1_ANNEX_G,
		.codec_mode	= S5P_MFC_CODEC_VC1_DEC,
		.type		= MFC_FMT_DEC,
		.num_planes	= 1,
		.versions	= MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
								MFC_V8_BIT,
	},
	{
		.name		= "VC1 RCV Encoded Stream",
		.fourcc		= V4L2_PIX_FMT_VC1_ANNEX_L,
		.codec_mode	= S5P_MFC_CODEC_VC1RCV_DEC,
		.type		= MFC_FMT_DEC,
		.num_planes	= 1,
		.versions	= MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT |
								MFC_V8_BIT,
	},
	{
		.name		= "VP8 Encoded Stream",
		.fourcc		= V4L2_PIX_FMT_VP8,
		.codec_mode	= S5P_MFC_CODEC_VP8_DEC,
		.type		= MFC_FMT_DEC,
		.num_planes	= 1,
		.versions	= MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT,
	},
};

#define NUM_FORMATS ARRAY_SIZE(formats)

/* Find selected format description */
static struct s5p_mfc_fmt *find_format(struct v4l2_format *f, unsigned int t)
{
	unsigned int i;

	for (i = 0; i < NUM_FORMATS; i++) {
		if (formats[i].fourcc == f->fmt.pix_mp.pixelformat &&
		    formats[i].type == t)
			return &formats[i];
	}
	return NULL;
}

static struct mfc_control controls[] = {
	{
		.id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY,
		.type = V4L2_CTRL_TYPE_INTEGER,
		.name = "H264 Display Delay",
		.minimum = 0,
		.maximum = 16383,
		.step = 1,
		.default_value = 0,
	},
	{
		.id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE,
		.type = V4L2_CTRL_TYPE_BOOLEAN,
		.name = "H264 Display Delay Enable",
		.minimum = 0,
		.maximum = 1,
		.step = 1,
		.default_value = 0,
	},
	{
		.id = V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER,
		.type = V4L2_CTRL_TYPE_BOOLEAN,
		.name = "Mpeg4 Loop Filter Enable",
		.minimum = 0,
		.maximum = 1,
		.step = 1,
		.default_value = 0,
	},
	{
		.id = V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE,
		.type = V4L2_CTRL_TYPE_BOOLEAN,
		.name = "Slice Interface Enable",
		.minimum = 0,
		.maximum = 1,
		.step = 1,
		.default_value = 0,
	},
	{
		.id = V4L2_CID_MIN_BUFFERS_FOR_CAPTURE,
		.type = V4L2_CTRL_TYPE_INTEGER,
		.name = "Minimum number of cap bufs",
		.minimum = 1,
		.maximum = 32,
		.step = 1,
		.default_value = 1,
		.is_volatile = 1,
	},
};

#define NUM_CTRLS ARRAY_SIZE(controls)

/* Check whether a context should be run on hardware */
static int s5p_mfc_ctx_ready(struct s5p_mfc_ctx *ctx)
{
	/* Context is to parse header */
	if (ctx->src_queue_cnt >= 1 && ctx->state == MFCINST_GOT_INST)
		return 1;
	/* Context is to decode a frame */
	if (ctx->src_queue_cnt >= 1 &&
	    ctx->state == MFCINST_RUNNING &&
	    ctx->dst_queue_cnt >= ctx->pb_count)
		return 1;
	/* Context is to return last frame */
	if (ctx->state == MFCINST_FINISHING &&
	    ctx->dst_queue_cnt >= ctx->pb_count)
		return 1;
	/* Context is to set buffers */
	if (ctx->src_queue_cnt >= 1 &&
	    ctx->state == MFCINST_HEAD_PARSED &&
	    ctx->capture_state == QUEUE_BUFS_MMAPED)
		return 1;
	/* Resolution change */
	if ((ctx->state == MFCINST_RES_CHANGE_INIT ||
		ctx->state == MFCINST_RES_CHANGE_FLUSH) &&
		ctx->dst_queue_cnt >= ctx->pb_count)
		return 1;
	if (ctx->state == MFCINST_RES_CHANGE_END &&
		ctx->src_queue_cnt >= 1)
		return 1;
	mfc_debug(2, "ctx is not ready\n");
	return 0;
}

static struct s5p_mfc_codec_ops decoder_codec_ops = {
	.pre_seq_start		= NULL,
	.post_seq_start		= NULL,
	.pre_frame_start	= NULL,
	.post_frame_start	= NULL,
};

/* Query capabilities of the device */
static int vidioc_querycap(struct file *file, void *priv,
			   struct v4l2_capability *cap)
{
	struct s5p_mfc_dev *dev = video_drvdata(file);

	strncpy(cap->driver, dev->plat_dev->name, sizeof(cap->driver) - 1);
	strncpy(cap->card, dev->plat_dev->name, sizeof(cap->card) - 1);
	cap->bus_info[0] = 0;
	cap->version = KERNEL_VERSION(1, 0, 0);
	/*
	 * This is only a mem-to-mem video device. The capture and output
	 * device capability flags are left only for backward compatibility
	 * and are scheduled for removal.
	 */
	cap->capabilities = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING |
			    V4L2_CAP_VIDEO_CAPTURE_MPLANE |
			    V4L2_CAP_VIDEO_OUTPUT_MPLANE;
	return 0;
}

/* Enumerate format */
static int vidioc_enum_fmt(struct file *file, struct v4l2_fmtdesc *f,
							bool out)
{
	struct s5p_mfc_dev *dev = video_drvdata(file);
	struct s5p_mfc_fmt *fmt;
	int i, j = 0;

	for (i = 0; i < ARRAY_SIZE(formats); ++i) {
		if (out && formats[i].type != MFC_FMT_DEC)
			continue;
		else if (!out && formats[i].type != MFC_FMT_RAW)
			continue;
		else if ((dev->variant->version_bit & formats[i].versions) == 0)
			continue;

		if (j == f->index)
			break;
		++j;
	}
	if (i == ARRAY_SIZE(formats))
		return -EINVAL;
	fmt = &formats[i];
	strlcpy(f->description, fmt->name, sizeof(f->description));
	f->pixelformat = fmt->fourcc;
	return 0;
}

static int vidioc_enum_fmt_vid_cap_mplane(struct file *file, void *pirv,
							struct v4l2_fmtdesc *f)
{
	return vidioc_enum_fmt(file, f, false);
}

static int vidioc_enum_fmt_vid_out_mplane(struct file *file, void *priv,
							struct v4l2_fmtdesc *f)
{
	return vidioc_enum_fmt(file, f, true);
}

/* Get format */
static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
{
	struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
	struct v4l2_pix_format_mplane *pix_mp;

	mfc_debug_enter();
	pix_mp = &f->fmt.pix_mp;
	if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
	    (ctx->state == MFCINST_GOT_INST || ctx->state ==
						MFCINST_RES_CHANGE_END)) {
		/* If the MFC is parsing the header,
		 * so wait until it is finished */
		s5p_mfc_clean_ctx_int_flags(ctx);
		s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_SEQ_DONE_RET,
									0);
	}
	if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
	    ctx->state >= MFCINST_HEAD_PARSED &&
	    ctx->state < MFCINST_ABORT) {
		/* This is run on CAPTURE (decode output) */
		/* Width and height are set to the dimensions
		   of the movie, the buffer is bigger and
		   further processing stages should crop to this
		   rectangle. */
		pix_mp->width = ctx->buf_width;
		pix_mp->height = ctx->buf_height;
		pix_mp->field = V4L2_FIELD_NONE;
		pix_mp->num_planes = 2;
		/* Set pixelformat to the format in which MFC
		   outputs the decoded frame */
		pix_mp->pixelformat = ctx->dst_fmt->fourcc;
		pix_mp->plane_fmt[0].bytesperline = ctx->buf_width;
		pix_mp->plane_fmt[0].sizeimage = ctx->luma_size;
		pix_mp->plane_fmt[1].bytesperline = ctx->buf_width;
		pix_mp->plane_fmt[1].sizeimage = ctx->chroma_size;
	} else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
		/* This is run on OUTPUT
		   The buffer contains compressed image
		   so width and height have no meaning */
		pix_mp->width = 0;
		pix_mp->height = 0;
		pix_mp->field = V4L2_FIELD_NONE;
		pix_mp->plane_fmt[0].bytesperline = ctx->dec_src_buf_size;
		pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size;
		pix_mp->pixelformat = ctx->src_fmt->fourcc;
		pix_mp->num_planes = ctx->src_fmt->num_planes;
	} else {
		mfc_err("Format could not be read\n");
		mfc_debug(2, "%s-- with error\n", __func__);
		return -EINVAL;
	}
	mfc_debug_leave();
	return 0;
}

/* Try format */
static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
{
	struct s5p_mfc_dev *dev = video_drvdata(file);
	struct s5p_mfc_fmt *fmt;

	mfc_debug(2, "Type is %d\n", f->type);
	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
		fmt = find_format(f, MFC_FMT_DEC);
		if (!fmt) {
			mfc_err("Unsupported format for source.\n");
			return -EINVAL;
		}
		if (fmt->codec_mode == S5P_FIMV_CODEC_NONE) {
			mfc_err("Unknown codec\n");
			return -EINVAL;
		}
		if ((dev->variant->version_bit & fmt->versions) == 0) {
			mfc_err("Unsupported format by this MFC version.\n");
			return -EINVAL;
		}
	} else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
		fmt = find_format(f, MFC_FMT_RAW);
		if (!fmt) {
			mfc_err("Unsupported format for destination.\n");
			return -EINVAL;
		}
		if ((dev->variant->version_bit & fmt->versions) == 0) {
			mfc_err("Unsupported format by this MFC version.\n");
			return -EINVAL;
		}
	}

	return 0;
}

/* Set format */
static int vidioc_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
{
	struct s5p_mfc_dev *dev = video_drvdata(file);
	struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
	int ret = 0;
	struct v4l2_pix_format_mplane *pix_mp;
	struct s5p_mfc_buf_size *buf_size = dev->variant->buf_size;

	mfc_debug_enter();
	ret = vidioc_try_fmt(file, priv, f);
	pix_mp = &f->fmt.pix_mp;
	if (ret)
		return ret;
	if (ctx->vq_src.streaming || ctx->vq_dst.streaming) {
		v4l2_err(&dev->v4l2_dev, "%s queue busy\n", __func__);
		ret = -EBUSY;
		goto out;
	}
	if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
		/* dst_fmt is validated by call to vidioc_try_fmt */
		ctx->dst_fmt = find_format(f, MFC_FMT_RAW);
		ret = 0;
		goto out;
	} else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
		/* src_fmt is validated by call to vidioc_try_fmt */
		ctx->src_fmt = find_format(f, MFC_FMT_DEC);
		ctx->codec_mode = ctx->src_fmt->codec_mode;
		mfc_debug(2, "The codec number is: %d\n", ctx->codec_mode);
		pix_mp->height = 0;
		pix_mp->width = 0;
		if (pix_mp->plane_fmt[0].sizeimage == 0)
			pix_mp->plane_fmt[0].sizeimage = ctx->dec_src_buf_size =
								DEF_CPB_SIZE;
		else if (pix_mp->plane_fmt[0].sizeimage > buf_size->cpb)
			ctx->dec_src_buf_size = buf_size->cpb;
		else
			ctx->dec_src_buf_size = pix_mp->plane_fmt[0].sizeimage;
		pix_mp->plane_fmt[0].bytesperline = 0;
		ctx->state = MFCINST_INIT;
		ret = 0;
		goto out;
	} else {
		mfc_err("Wrong type error for S_FMT : %d", f->type);
		ret = -EINVAL;
		goto out;
	}

out:
	mfc_debug_leave();
	return ret;
}

static int reqbufs_output(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx,
				struct v4l2_requestbuffers *reqbufs)
{
	int ret = 0;

	s5p_mfc_clock_on();

	if (reqbufs->count == 0) {
		mfc_debug(2, "Freeing buffers\n");
		ret = vb2_reqbufs(&ctx->vq_src, reqbufs);
		if (ret)
			goto out;
		s5p_mfc_close_mfc_inst(dev, ctx);
		ctx->src_bufs_cnt = 0;
		ctx->output_state = QUEUE_FREE;
	} else if (ctx->output_state == QUEUE_FREE) {
		/* Can only request buffers when we have a valid format set. */
		WARN_ON(ctx->src_bufs_cnt != 0);
		if (ctx->state != MFCINST_INIT) {
			mfc_err("Reqbufs called in an invalid state\n");
			ret = -EINVAL;
			goto out;
		}

		mfc_debug(2, "Allocating %d buffers for OUTPUT queue\n",
				reqbufs->count);
		ret = vb2_reqbufs(&ctx->vq_src, reqbufs);
		if (ret)
			goto out;

		ret = s5p_mfc_open_mfc_inst(dev, ctx);
		if (ret) {
			reqbufs->count = 0;
			vb2_reqbufs(&ctx->vq_src, reqbufs);
			goto out;
		}

		ctx->output_state = QUEUE_BUFS_REQUESTED;
	} else {
		mfc_err("Buffers have already been requested\n");
		ret = -EINVAL;
	}
out:
	s5p_mfc_clock_off();
	if (ret)
		mfc_err("Failed allocating buffers for OUTPUT queue\n");
	return ret;
}

static int reqbufs_capture(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx,
				struct v4l2_requestbuffers *reqbufs)
{
	int ret = 0;

	s5p_mfc_clock_on();

	if (reqbufs->count == 0) {
		mfc_debug(2, "Freeing buffers\n");
		ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
		if (ret)
			goto out;
		s5p_mfc_hw_call_void(dev->mfc_ops, release_codec_buffers, ctx);
		ctx->dst_bufs_cnt = 0;
	} else if (ctx->capture_state == QUEUE_FREE) {
		WARN_ON(ctx->dst_bufs_cnt != 0);
		mfc_debug(2, "Allocating %d buffers for CAPTURE queue\n",
				reqbufs->count);
		ret = vb2_reqbufs(&ctx->vq_dst, reqbufs);
		if (ret)
			goto out;

		ctx->capture_state = QUEUE_BUFS_REQUESTED;
		ctx->total_dpb_count = reqbufs->count;

		ret = s5p_mfc_hw_call(dev->mfc_ops, alloc_codec_buffers, ctx);
		if (ret) {
			mfc_err("Failed to allocate decoding buffers\n");
			reqbufs->count = 0;
			vb2_reqbufs(&ctx->vq_dst, reqbufs);
			ret = -ENOMEM;
			ctx->capture_state = QUEUE_FREE;
			goto out;
		}

		WARN_ON(ctx->dst_bufs_cnt != ctx->total_dpb_count);
		ctx->capture_state = QUEUE_BUFS_MMAPED;

		if (s5p_mfc_ctx_ready(ctx))
			set_work_bit_irqsave(ctx);
		s5p_mfc_hw_call_void(dev->mfc_ops, try_run, dev);
		s5p_mfc_wait_for_done_ctx(ctx, S5P_MFC_R2H_CMD_INIT_BUFFERS_RET,
					  0);
	} else {
		mfc_err("Buffers have already been requested\n");
		ret = -EINVAL;
	}
out:
	s5p_mfc_clock_off();
	if (ret)
		mfc_err("Failed allocating buffers for CAPTURE queue\n");
	return ret;
}

/* Reqeust buffers */
static int vidioc_reqbufs(struct file *file, void *priv,
					  struct v4l2_requestbuffers *reqbufs)
{
	struct s5p_mfc_dev *dev = video_drvdata(file);
	struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);

	if (reqbufs->memory != V4L2_MEMORY_MMAP) {
		mfc_err("Only V4L2_MEMORY_MAP is supported\n");
		return -EINVAL;
	}

	if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
		return reqbufs_output(dev, ctx, reqbufs);
	} else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
		return reqbufs_capture(dev, ctx, reqbufs);
	} else {
		mfc_err("Invalid type requested\n");
		return -EINVAL;
	}
}

/* Query buffer */
static int vidioc_querybuf(struct file *file, void *priv,
						   struct v4l2_buffer *buf)
{
	struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
	int ret;
	int i;

	if (buf->memory != V4L2_MEMORY_MMAP) {
		mfc_err("Only mmaped buffers can be used\n");
		return -EINVAL;
	}
	mfc_debug(2, "State: %d, buf->type: %d\n", ctx->state, buf->type);
	if (ctx->state == MFCINST_GOT_INST &&
			buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
		ret = vb2_querybuf(&ctx->vq_src, buf);
	} else if (ctx->state == MFCINST_RUNNING &&
			buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
		ret = vb2_querybuf(&ctx->vq_dst, buf);
		for (i = 0; i < buf->length; i++)
			buf->m.planes[i].m.mem_offset += DST_QUEUE_OFF_BASE;
	} else {
		mfc_err("vidioc_querybuf called in an inappropriate state\n");
		ret = -EINVAL;
	}
	mfc_debug_leave();
	return ret;
}

/* Queue a buffer */
static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
{
	struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);

	if (ctx->state == MFCINST_ERROR) {
		mfc_err("Call on QBUF after unrecoverable error\n");
		return -EIO;
	}
	if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
		return vb2_qbuf(&ctx->vq_src, buf);
	else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
		return vb2_qbuf(&ctx->vq_dst, buf);
	return -EINVAL;
}

/* Dequeue a buffer */
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
{
	const struct v4l2_event ev = {
		.type = V4L2_EVENT_EOS
	};
	struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
	int ret;

	if (ctx->state == MFCINST_ERROR) {
		mfc_err("Call on DQBUF after unrecoverable error\n");
		return -EIO;
	}
	if (buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
		ret = vb2_dqbuf(&ctx->vq_src, buf, file->f_flags & O_NONBLOCK);
	else if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
		ret = vb2_dqbuf(&ctx->vq_dst, buf, file->f_flags & O_NONBLOCK);
		if (ret == 0 && ctx->state == MFCINST_FINISHED &&
				list_empty(&ctx->vq_dst.done_list))
			v4l2_event_queue_fh(&ctx->fh, &ev);
	} else {
		ret = -EINVAL;
	}
	return ret;
}

/* Export DMA buffer */
static int vidioc_expbuf(struct file *file, void *priv,
	struct v4l2_exportbuffer *eb)
{
	struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);

	if (eb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
		return vb2_expbuf(&ctx->vq_src, eb);
	if (eb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
		return vb2_expbuf(&ctx->vq_dst, eb);
	return -EINVAL;
}

/* Stream on */
static int vidioc_streamon(struct file *file, void *priv,
			   enum v4l2_buf_type type)
{
	struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
	int ret = -EINVAL;

	mfc_debug_enter();
	if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
		ret = vb2_streamon(&ctx->vq_src, type);
	else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
		ret = vb2_streamon(&ctx->vq_dst, type);
	mfc_debug_leave();
	return ret;
}

/* Stream off, which equals to a pause */
static int vidioc_streamoff(struct file *file, void *priv,
			    enum v4l2_buf_type type)
{
	struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);

	if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
		return vb2_streamoff(&ctx->vq_src, type);
	else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
		return vb2_streamoff(&ctx->vq_dst, type);
	return -EINVAL;
}

/* Set controls - v4l2 control framework */
static int s5p_mfc_dec_s_ctrl(struct v4l2_ctrl *ctrl)
{
	struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl);

	switch (ctrl->id) {
	case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY:
		ctx->display_delay = ctrl->val;
		break;
	case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE:
		ctx->display_delay_enable = ctrl->val;
		break;
	case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:
		ctx->loop_filter_mpeg4 = ctrl->val;
		break;
	case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE:
		ctx->slice_interface = ctrl->val;
		break;
	default:
		mfc_err("Invalid control 0x%08x\n", ctrl->id);
		return -EINVAL;
	}
	return 0;
}

static int s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl *ctrl)
{
	struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl);
	struct s5p_mfc_dev *dev = ctx->dev;

	switch (ctrl->id) {
	case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
		if (ctx->state >= MFCINST_HEAD_PARSED &&
		    ctx->state < MFCINST_ABORT) {
			ctrl->val = ctx->pb_count;
			break;
		} else if (ctx->state != MFCINST_INIT) {
			v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n");
			return -EINVAL;
		}
		/* Should wait for the header to be parsed */
		s5p_mfc_clean_ctx_int_flags(ctx);
		s5p_mfc_wait_for_done_ctx(ctx,
				S5P_MFC_R2H_CMD_SEQ_DONE_RET, 0);
		if (ctx->state >= MFCINST_HEAD_PARSED &&
		    ctx->state < MFCINST_ABORT) {
			ctrl->val = ctx->pb_count;
		} else {
			v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n");
			return -EINVAL;
		}
		break;
	}
	return 0;
}


static const struct v4l2_ctrl_ops s5p_mfc_dec_ctrl_ops = {
	.s_ctrl = s5p_mfc_dec_s_ctrl,
	.g_volatile_ctrl = s5p_mfc_dec_g_v_ctrl,
};

/* Get cropping information */
static int vidioc_g_crop(struct file *file, void *priv,
		struct v4l2_crop *cr)
{
	struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
	struct s5p_mfc_dev *dev = ctx->dev;
	u32 left, right, top, bottom;

	if (ctx->state != MFCINST_HEAD_PARSED &&
	ctx->state != MFCINST_RUNNING && ctx->state != MFCINST_FINISHING
					&& ctx->state != MFCINST_FINISHED) {
			mfc_err("Cannont set crop\n");
			return -EINVAL;
		}
	if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_H264) {
		left = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_h, ctx);
		right = left >> S5P_FIMV_SHARED_CROP_RIGHT_SHIFT;
		left = left & S5P_FIMV_SHARED_CROP_LEFT_MASK;
		top = s5p_mfc_hw_call(dev->mfc_ops, get_crop_info_v, ctx);
		bottom = top >> S5P_FIMV_SHARED_CROP_BOTTOM_SHIFT;
		top = top & S5P_FIMV_SHARED_CROP_TOP_MASK;
		cr->c.left = left;
		cr->c.top = top;
		cr->c.width = ctx->img_width - left - right;
		cr->c.height = ctx->img_height - top - bottom;
		mfc_debug(2, "Cropping info [h264]: l=%d t=%d "
			"w=%d h=%d (r=%d b=%d fw=%d fh=%d\n", left, top,
			cr->c.width, cr->c.height, right, bottom,
			ctx->buf_width, ctx->buf_height);
	} else {
		cr->c.left = 0;
		cr->c.top = 0;
		cr->c.width = ctx->img_width;
		cr->c.height = ctx->img_height;
		mfc_debug(2, "Cropping info: w=%d h=%d fw=%d "
			"fh=%d\n", cr->c.width,	cr->c.height, ctx->buf_width,
							ctx->buf_height);
	}
	return 0;
}

static int vidioc_decoder_cmd(struct file *file, void *priv,
			      struct v4l2_decoder_cmd *cmd)
{
	struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
	struct s5p_mfc_dev *dev = ctx->dev;
	struct s5p_mfc_buf *buf;
	unsigned long flags;

	switch (cmd->cmd) {
	case V4L2_ENC_CMD_STOP:
		if (cmd->flags != 0)
			return -EINVAL;

		if (!ctx->vq_src.streaming)
			return -EINVAL;

		spin_lock_irqsave(&dev->irqlock, flags);
		if (list_empty(&ctx->src_queue)) {
			mfc_err("EOS: empty src queue, entering finishing state");
			ctx->state = MFCINST_FINISHING;
			if (s5p_mfc_ctx_ready(ctx))
				set_work_bit_irqsave(ctx);
			spin_unlock_irqrestore(&dev->irqlock, flags);
			s5p_mfc_hw_call_void(dev->mfc_ops, try_run, dev);
		} else {
			mfc_err("EOS: marking last buffer of stream");
			buf = list_entry(ctx->src_queue.prev,
						struct s5p_mfc_buf, list);
			if (buf->flags & MFC_BUF_FLAG_USED)
				ctx->state = MFCINST_FINISHING;
			else
				buf->flags |= MFC_BUF_FLAG_EOS;
			spin_unlock_irqrestore(&dev->irqlock, flags);
		}
		break;
	default:
		return -EINVAL;
	}
	return 0;
}

static int vidioc_subscribe_event(struct v4l2_fh *fh,
				const struct  v4l2_event_subscription *sub)
{
	switch (sub->type) {
	case V4L2_EVENT_EOS:
		return v4l2_event_subscribe(fh, sub, 2, NULL);
	case V4L2_EVENT_SOURCE_CHANGE:
		return v4l2_src_change_event_subscribe(fh, sub);
	default:
		return -EINVAL;
	}
}


/* v4l2_ioctl_ops */
static const struct v4l2_ioctl_ops s5p_mfc_dec_ioctl_ops = {
	.vidioc_querycap = vidioc_querycap,
	.vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane,
	.vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane,
	.vidioc_g_fmt_vid_cap_mplane = vidioc_g_fmt,
	.vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt,
	.vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt,
	.vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt,
	.vidioc_s_fmt_vid_cap_mplane = vidioc_s_fmt,
	.vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt,
	.vidioc_reqbufs = vidioc_reqbufs,
	.vidioc_querybuf = vidioc_querybuf,
	.vidioc_qbuf = vidioc_qbuf,
	.vidioc_dqbuf = vidioc_dqbuf,
	.vidioc_expbuf = vidioc_expbuf,
	.vidioc_streamon = vidioc_streamon,
	.vidioc_streamoff = vidioc_streamoff,
	.vidioc_g_crop = vidioc_g_crop,
	.vidioc_decoder_cmd = vidioc_decoder_cmd,
	.vidioc_subscribe_event = vidioc_subscribe_event,
	.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};

static int s5p_mfc_queue_setup(struct vb2_queue *vq,
			const struct v4l2_format *fmt, unsigned int *buf_count,
			unsigned int *plane_count, unsigned int psize[],
			void *allocators[])
{
	struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
	struct s5p_mfc_dev *dev = ctx->dev;

	/* Video output for decoding (source)
	 * this can be set after getting an instance */
	if (ctx->state == MFCINST_INIT &&
	    vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
		/* A single plane is required for input */
		*plane_count = 1;
		if (*buf_count < 1)
			*buf_count = 1;
		if (*buf_count > MFC_MAX_BUFFERS)
			*buf_count = MFC_MAX_BUFFERS;
	/* Video capture for decoding (destination)
	 * this can be set after the header was parsed */
	} else if (ctx->state == MFCINST_HEAD_PARSED &&
		   vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
		/* Output plane count is 2 - one for Y and one for CbCr */
		*plane_count = 2;
		/* Setup buffer count */
		if (*buf_count < ctx->pb_count)
			*buf_count = ctx->pb_count;
		if (*buf_count > ctx->pb_count + MFC_MAX_EXTRA_DPB)
			*buf_count = ctx->pb_count + MFC_MAX_EXTRA_DPB;
		if (*buf_count > MFC_MAX_BUFFERS)
			*buf_count = MFC_MAX_BUFFERS;
	} else {
		mfc_err("State seems invalid. State = %d, vq->type = %d\n",
							ctx->state, vq->type);
		return -EINVAL;
	}
	mfc_debug(2, "Buffer count=%d, plane count=%d\n",
						*buf_count, *plane_count);
	if (ctx->state == MFCINST_HEAD_PARSED &&
	    vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
		psize[0] = ctx->luma_size;
		psize[1] = ctx->chroma_size;

		if (IS_MFCV6_PLUS(dev))
			allocators[0] =
				ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
		else
			allocators[0] =
				ctx->dev->alloc_ctx[MFC_BANK2_ALLOC_CTX];
		allocators[1] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
	} else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
		   ctx->state == MFCINST_INIT) {
		psize[0] = ctx->dec_src_buf_size;
		allocators[0] = ctx->dev->alloc_ctx[MFC_BANK1_ALLOC_CTX];
	} else {
		mfc_err("This video node is dedicated to decoding. Decoding not initialized\n");
		return -EINVAL;
	}
	return 0;
}

static void s5p_mfc_unlock(struct vb2_queue *q)
{
	struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
	struct s5p_mfc_dev *dev = ctx->dev;

	mutex_unlock(&dev->mfc_mutex);
}

static void s5p_mfc_lock(struct vb2_queue *q)
{
	struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
	struct s5p_mfc_dev *dev = ctx->dev;

	mutex_lock(&dev->mfc_mutex);
}

static int s5p_mfc_buf_init(struct vb2_buffer *vb)
{
	struct vb2_queue *vq = vb->vb2_queue;
	struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
	unsigned int i;

	if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
		if (ctx->capture_state == QUEUE_BUFS_MMAPED)
			return 0;
		for (i = 0; i < ctx->dst_fmt->num_planes; i++) {
			if (IS_ERR_OR_NULL(ERR_PTR(
					vb2_dma_contig_plane_dma_addr(vb, i)))) {
				mfc_err("Plane mem not allocated\n");
				return -EINVAL;
			}
		}
		if (vb2_plane_size(vb, 0) < ctx->luma_size ||
			vb2_plane_size(vb, 1) < ctx->chroma_size) {
			mfc_err("Plane buffer (CAPTURE) is too small\n");
			return -EINVAL;
		}
		i = vb->v4l2_buf.index;
		ctx->dst_bufs[i].b = vb;
		ctx->dst_bufs[i].cookie.raw.luma =
					vb2_dma_contig_plane_dma_addr(vb, 0);
		ctx->dst_bufs[i].cookie.raw.chroma =
					vb2_dma_contig_plane_dma_addr(vb, 1);
		ctx->dst_bufs_cnt++;
	} else if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
		if (IS_ERR_OR_NULL(ERR_PTR(
					vb2_dma_contig_plane_dma_addr(vb, 0)))) {
			mfc_err("Plane memory not allocated\n");
			return -EINVAL;
		}
		if (vb2_plane_size(vb, 0) < ctx->dec_src_buf_size) {
			mfc_err("Plane buffer (OUTPUT) is too small\n");
			return -EINVAL;
		}

		i = vb->v4l2_buf.index;
		ctx->src_bufs[i].b = vb;
		ctx->src_bufs[i].cookie.stream =
					vb2_dma_contig_plane_dma_addr(vb, 0);
		ctx->src_bufs_cnt++;
	} else {
		mfc_err("s5p_mfc_buf_init: unknown queue type\n");
		return -EINVAL;
	}
	return 0;
}

static int s5p_mfc_start_streaming(struct vb2_queue *q, unsigned int count)
{
	struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
	struct s5p_mfc_dev *dev = ctx->dev;

	v4l2_ctrl_handler_setup(&ctx->ctrl_handler);
	if (ctx->state == MFCINST_FINISHING ||
		ctx->state == MFCINST_FINISHED)
		ctx->state = MFCINST_RUNNING;
	/* If context is ready then dev = work->data;schedule it to run */
	if (s5p_mfc_ctx_ready(ctx))
		set_work_bit_irqsave(ctx);
	s5p_mfc_hw_call_void(dev->mfc_ops, try_run, dev);
	return 0;
}

static void s5p_mfc_stop_streaming(struct vb2_queue *q)
{
	unsigned long flags;
	struct s5p_mfc_ctx *ctx = fh_to_ctx(q->drv_priv);
	struct s5p_mfc_dev *dev = ctx->dev;
	int aborted = 0;

	if ((ctx->state == MFCINST_FINISHING ||
		ctx->state ==  MFCINST_RUNNING) &&
		dev->curr_ctx == ctx->num && dev->hw_lock) {
		ctx->state = MFCINST_ABORT;
		s5p_mfc_wait_for_done_ctx(ctx,
					S5P_MFC_R2H_CMD_FRAME_DONE_RET, 0);
		aborted = 1;
	}
	if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
		spin_lock_irqsave(&dev->irqlock, flags);
		s5p_mfc_hw_call_void(dev->mfc_ops, cleanup_queue,
						&ctx->dst_queue, &ctx->vq_dst);
		INIT_LIST_HEAD(&ctx->dst_queue);
		ctx->dst_queue_cnt = 0;
		ctx->dpb_flush_flag = 1;
		ctx->dec_dst_flag = 0;
		spin_unlock_irqrestore(&dev->irqlock, flags);
		if (IS_MFCV6_PLUS(dev) && (ctx->state == MFCINST_RUNNING)) {
			ctx->state = MFCINST_FLUSH;
			set_work_bit_irqsave(ctx);
			s5p_mfc_clean_ctx_int_flags(ctx);
			s5p_mfc_hw_call_void(dev->mfc_ops, try_run, dev);
			if (s5p_mfc_wait_for_done_ctx(ctx,
				S5P_MFC_R2H_CMD_DPB_FLUSH_RET, 0))
				mfc_err("Err flushing buffers\n");
		}
	}
	if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
		spin_lock_irqsave(&dev->irqlock, flags);
		s5p_mfc_hw_call_void(dev->mfc_ops, cleanup_queue,
						&ctx->src_queue, &ctx->vq_src);
		INIT_LIST_HEAD(&ctx->src_queue);
		ctx->src_queue_cnt = 0;
		spin_unlock_irqrestore(&dev->irqlock, flags);
	}
	if (aborted)
		ctx->state = MFCINST_RUNNING;
}


static void s5p_mfc_buf_queue(struct vb2_buffer *vb)
{
	struct vb2_queue *vq = vb->vb2_queue;
	struct s5p_mfc_ctx *ctx = fh_to_ctx(vq->drv_priv);
	struct s5p_mfc_dev *dev = ctx->dev;
	unsigned long flags;
	struct s5p_mfc_buf *mfc_buf;

	if (vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
		mfc_buf = &ctx->src_bufs[vb->v4l2_buf.index];
		mfc_buf->flags &= ~MFC_BUF_FLAG_USED;
		spin_lock_irqsave(&dev->irqlock, flags);
		list_add_tail(&mfc_buf->list, &ctx->src_queue);
		ctx->src_queue_cnt++;
		spin_unlock_irqrestore(&dev->irqlock, flags);
	} else if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
		mfc_buf = &ctx->dst_bufs[vb->v4l2_buf.index];
		mfc_buf->flags &= ~MFC_BUF_FLAG_USED;
		/* Mark destination as available for use by MFC */
		spin_lock_irqsave(&dev->irqlock, flags);
		set_bit(vb->v4l2_buf.index, &ctx->dec_dst_flag);
		list_add_tail(&mfc_buf->list, &ctx->dst_queue);
		ctx->dst_queue_cnt++;
		spin_unlock_irqrestore(&dev->irqlock, flags);
	} else {
		mfc_err("Unsupported buffer type (%d)\n", vq->type);
	}
	if (s5p_mfc_ctx_ready(ctx))
		set_work_bit_irqsave(ctx);
	s5p_mfc_hw_call_void(dev->mfc_ops, try_run, dev);
}

static struct vb2_ops s5p_mfc_dec_qops = {
	.queue_setup		= s5p_mfc_queue_setup,
	.wait_prepare		= s5p_mfc_unlock,
	.wait_finish		= s5p_mfc_lock,
	.buf_init		= s5p_mfc_buf_init,
	.start_streaming	= s5p_mfc_start_streaming,
	.stop_streaming		= s5p_mfc_stop_streaming,
	.buf_queue		= s5p_mfc_buf_queue,
};

struct s5p_mfc_codec_ops *get_dec_codec_ops(void)
{
	return &decoder_codec_ops;
}

struct vb2_ops *get_dec_queue_ops(void)
{
	return &s5p_mfc_dec_qops;
}

const struct v4l2_ioctl_ops *get_dec_v4l2_ioctl_ops(void)
{
	return &s5p_mfc_dec_ioctl_ops;
}

#define IS_MFC51_PRIV(x) ((V4L2_CTRL_ID2CLASS(x) == V4L2_CTRL_CLASS_MPEG) \
						&& V4L2_CTRL_DRIVER_PRIV(x))

int s5p_mfc_dec_ctrls_setup(struct s5p_mfc_ctx *ctx)
{
	struct v4l2_ctrl_config cfg;
	int i;

	v4l2_ctrl_handler_init(&ctx->ctrl_handler, NUM_CTRLS);
	if (ctx->ctrl_handler.error) {
		mfc_err("v4l2_ctrl_handler_init failed\n");
		return ctx->ctrl_handler.error;
	}

	for (i = 0; i < NUM_CTRLS; i++) {
		if (IS_MFC51_PRIV(controls[i].id)) {
			memset(&cfg, 0, sizeof(struct v4l2_ctrl_config));
			cfg.ops = &s5p_mfc_dec_ctrl_ops;
			cfg.id = controls[i].id;
			cfg.min = controls[i].minimum;
			cfg.max = controls[i].maximum;
			cfg.def = controls[i].default_value;
			cfg.name = controls[i].name;
			cfg.type = controls[i].type;

			cfg.step = controls[i].step;
			cfg.menu_skip_mask = 0;

			ctx->ctrls[i] = v4l2_ctrl_new_custom(&ctx->ctrl_handler,
					&cfg, NULL);
		} else {
			ctx->ctrls[i] = v4l2_ctrl_new_std(&ctx->ctrl_handler,
					&s5p_mfc_dec_ctrl_ops,
					controls[i].id, controls[i].minimum,
					controls[i].maximum, controls[i].step,
					controls[i].default_value);
		}
		if (ctx->ctrl_handler.error) {
			mfc_err("Adding control (%d) failed\n", i);
			return ctx->ctrl_handler.error;
		}
		if (controls[i].is_volatile && ctx->ctrls[i])
			ctx->ctrls[i]->flags |= V4L2_CTRL_FLAG_VOLATILE;
	}
	return 0;
}

void s5p_mfc_dec_ctrls_delete(struct s5p_mfc_ctx *ctx)
{
	int i;

	v4l2_ctrl_handler_free(&ctx->ctrl_handler);
	for (i = 0; i < NUM_CTRLS; i++)
		ctx->ctrls[i] = NULL;
}

void s5p_mfc_dec_init(struct s5p_mfc_ctx *ctx)
{
	struct v4l2_format f;
	f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_H264;
	ctx->src_fmt = find_format(&f, MFC_FMT_DEC);
	if (IS_MFCV8(ctx->dev))
		f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12M;
	else if (IS_MFCV6_PLUS(ctx->dev))
		f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12MT_16X16;
	else
		f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12MT;
	ctx->dst_fmt = find_format(&f, MFC_FMT_RAW);
	mfc_debug(2, "Default src_fmt is %x, dest_fmt is %x\n",
			(unsigned int)ctx->src_fmt, (unsigned int)ctx->dst_fmt);
}

Privacy Policy