summaryrefslogtreecommitdiff
path: root/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
blob: 5dc086516360c39658f295af3eba85a3dae40173 (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
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Samsung S5P Multi Format Codec v 5.0
 *
 * This file contains definitions of enums and structs used by the codec
 * driver.
 *
 * Copyright (C) 2011 Samsung Electronics Co., Ltd.
 * Kamil Debski, <k.debski@samsung.com>
 */

#ifndef S5P_MFC_COMMON_H_
#define S5P_MFC_COMMON_H_

#include <linux/platform_device.h>
#include <linux/videodev2.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ioctl.h>
#include <media/videobuf2-v4l2.h>
#include "regs-mfc.h"
#include "regs-mfc-v10.h"

#define S5P_MFC_NAME		"s5p-mfc"

/* Definitions related to MFC memory */

/* Offset base used to differentiate between CAPTURE and OUTPUT
*  while mmaping */
#define DST_QUEUE_OFF_BASE	(1 << 30)

#define BANK_L_CTX	0
#define BANK_R_CTX	1
#define BANK_CTX_NUM	2

#define MFC_BANK1_ALIGN_ORDER	13
#define MFC_BANK2_ALIGN_ORDER	13
#define MFC_BASE_ALIGN_ORDER	17

#define MFC_FW_MAX_VERSIONS	2

#include <media/videobuf2-dma-contig.h>

/* MFC definitions */
#define MFC_MAX_EXTRA_DPB       5
#define MFC_MAX_BUFFERS		32
#define MFC_NUM_CONTEXTS	4
/* Interrupt timeout */
#define MFC_INT_TIMEOUT		2000
/* Busy wait timeout */
#define MFC_BW_TIMEOUT		500
/* Watchdog interval */
#define MFC_WATCHDOG_INTERVAL   1000
/* After how many executions watchdog should assume lock up */
#define MFC_WATCHDOG_CNT        10
#define MFC_NO_INSTANCE_SET	-1
#define MFC_ENC_CAP_PLANE_COUNT	1
#define MFC_ENC_OUT_PLANE_COUNT	2
#define STUFF_BYTE		4
#define MFC_MAX_CTRLS		128

#define S5P_MFC_CODEC_NONE		-1
#define S5P_MFC_CODEC_H264_DEC		0
#define S5P_MFC_CODEC_H264_MVC_DEC	1
#define S5P_MFC_CODEC_VC1_DEC		2
#define S5P_MFC_CODEC_MPEG4_DEC		3
#define S5P_MFC_CODEC_MPEG2_DEC		4
#define S5P_MFC_CODEC_H263_DEC		5
#define S5P_MFC_CODEC_VC1RCV_DEC	6
#define S5P_MFC_CODEC_VP8_DEC		7
#define S5P_MFC_CODEC_HEVC_DEC		17
#define S5P_MFC_CODEC_VP9_DEC		18

#define S5P_MFC_CODEC_H264_ENC		20
#define S5P_MFC_CODEC_H264_MVC_ENC	21
#define S5P_MFC_CODEC_MPEG4_ENC		22
#define S5P_MFC_CODEC_H263_ENC		23
#define S5P_MFC_CODEC_VP8_ENC		24
#define S5P_MFC_CODEC_HEVC_ENC		26

#define S5P_MFC_R2H_CMD_EMPTY			0
#define S5P_MFC_R2H_CMD_SYS_INIT_RET		1
#define S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET	2
#define S5P_MFC_R2H_CMD_SEQ_DONE_RET		3
#define S5P_MFC_R2H_CMD_INIT_BUFFERS_RET	4
#define S5P_MFC_R2H_CMD_CLOSE_INSTANCE_RET	6
#define S5P_MFC_R2H_CMD_SLEEP_RET		7
#define S5P_MFC_R2H_CMD_WAKEUP_RET		8
#define S5P_MFC_R2H_CMD_COMPLETE_SEQ_RET	9
#define S5P_MFC_R2H_CMD_DPB_FLUSH_RET		10
#define S5P_MFC_R2H_CMD_NAL_ABORT_RET		11
#define S5P_MFC_R2H_CMD_FW_STATUS_RET		12
#define S5P_MFC_R2H_CMD_FRAME_DONE_RET		13
#define S5P_MFC_R2H_CMD_FIELD_DONE_RET		14
#define S5P_MFC_R2H_CMD_SLICE_DONE_RET		15
#define S5P_MFC_R2H_CMD_ENC_BUFFER_FUL_RET	16
#define S5P_MFC_R2H_CMD_ERR_RET			32

#define MFC_MAX_CLOCKS		4

#define mfc_read(dev, offset)		readl(dev->regs_base + (offset))
#define mfc_write(dev, data, offset)	writel((data), dev->regs_base + \
								(offset))

/**
 * enum s5p_mfc_fmt_type - type of the pixelformat
 */
enum s5p_mfc_fmt_type {
	MFC_FMT_DEC,
	MFC_FMT_ENC,
	MFC_FMT_RAW,
};

/**
 * enum s5p_mfc_inst_type - The type of an MFC instance.
 */
enum s5p_mfc_inst_type {
	MFCINST_INVALID,
	MFCINST_DECODER,
	MFCINST_ENCODER,
};

/**
 * enum s5p_mfc_inst_state - The state of an MFC instance.
 */
enum s5p_mfc_inst_state {
	MFCINST_FREE = 0,
	MFCINST_INIT = 100,
	MFCINST_GOT_INST,
	MFCINST_HEAD_PARSED,
	MFCINST_HEAD_PRODUCED,
	MFCINST_BUFS_SET,
	MFCINST_RUNNING,
	MFCINST_FINISHING,
	MFCINST_FINISHED,
	MFCINST_RETURN_INST,
	MFCINST_ERROR,
	MFCINST_ABORT,
	MFCINST_FLUSH,
	MFCINST_RES_CHANGE_INIT,
	MFCINST_RES_CHANGE_FLUSH,
	MFCINST_RES_CHANGE_END,
};

/**
 * enum s5p_mfc_queue_state - The state of buffer queue.
 */
enum s5p_mfc_queue_state {
	QUEUE_FREE,
	QUEUE_BUFS_REQUESTED,
	QUEUE_BUFS_QUERIED,
	QUEUE_BUFS_MMAPED,
};

/**
 * enum s5p_mfc_decode_arg - type of frame decoding
 */
enum s5p_mfc_decode_arg {
	MFC_DEC_FRAME,
	MFC_DEC_LAST_FRAME,
	MFC_DEC_RES_CHANGE,
};

enum s5p_mfc_fw_ver {
	MFC_FW_V1,
	MFC_FW_V2,
};

#define MFC_BUF_FLAG_USED	(1 << 0)
#define MFC_BUF_FLAG_EOS	(1 << 1)

struct s5p_mfc_ctx;

/**
 * struct s5p_mfc_buf - MFC buffer
 */
struct s5p_mfc_buf {
	struct vb2_v4l2_buffer *b;
	struct list_head list;
	union {
		struct {
			size_t luma;
			size_t chroma;
		} raw;
		size_t stream;
	} cookie;
	int flags;
};

/**
 * struct s5p_mfc_pm - power management data structure
 */
struct s5p_mfc_pm {
	struct clk	*clock_gate;
	const char * const *clk_names;
	struct clk	*clocks[MFC_MAX_CLOCKS];
	int		num_clocks;
	bool		use_clock_gating;

	struct device	*device;
};

struct s5p_mfc_buf_size_v5 {
	unsigned int h264_ctx;
	unsigned int non_h264_ctx;
	unsigned int dsc;
	unsigned int shm;
};

struct s5p_mfc_buf_size_v6 {
	unsigned int dev_ctx;
	unsigned int h264_dec_ctx;
	unsigned int other_dec_ctx;
	unsigned int h264_enc_ctx;
	unsigned int hevc_enc_ctx;
	unsigned int other_enc_ctx;
};

struct s5p_mfc_buf_size {
	unsigned int fw;
	unsigned int cpb;
	void *priv;
};

struct s5p_mfc_variant {
	unsigned int version;
	unsigned int port_num;
	u32 version_bit;
	struct s5p_mfc_buf_size *buf_size;
	char	*fw_name[MFC_FW_MAX_VERSIONS];
	const char	*clk_names[MFC_MAX_CLOCKS];
	int		num_clocks;
	bool		use_clock_gating;
};

/**
 * struct s5p_mfc_priv_buf - represents internal used buffer
 * @ofs:		offset of each buffer, will be used for MFC
 * @virt:		kernel virtual address, only valid when the
 *			buffer accessed by driver
 * @dma:		DMA address, only valid when kernel DMA API used
 * @size:		size of the buffer
 * @ctx:		memory context (bank) used for this allocation
 */
struct s5p_mfc_priv_buf {
	unsigned long	ofs;
	void		*virt;
	dma_addr_t	dma;
	size_t		size;
	unsigned int	ctx;
};

/**
 * struct s5p_mfc_dev - The struct containing driver internal parameters.
 *
 * @v4l2_dev:		v4l2_device
 * @vfd_dec:		video device for decoding
 * @vfd_enc:		video device for encoding
 * @plat_dev:		platform device
 * @mem_dev[]:		child devices of the memory banks
 * @regs_base:		base address of the MFC hw registers
 * @irq:		irq resource
 * @dec_ctrl_handler:	control framework handler for decoding
 * @enc_ctrl_handler:	control framework handler for encoding
 * @pm:			power management control
 * @variant:		MFC hardware variant information
 * @num_inst:		counter of active MFC instances
 * @irqlock:		lock for operations on videobuf2 queues
 * @condlock:		lock for changing/checking if a context is ready to be
 *			processed
 * @mfc_mutex:		lock for video_device
 * @int_cond:		variable used by the waitqueue
 * @int_type:		type of last interrupt
 * @int_err:		error number for last interrupt
 * @queue:		waitqueue for waiting for completion of device commands
 * @fw_size:		size of firmware
 * @fw_virt_addr:	virtual firmware address
 * @dma_base[]:		address of the beginning of memory banks
 * @hw_lock:		used for hardware locking
 * @ctx:		array of driver contexts
 * @curr_ctx:		number of the currently running context
 * @ctx_work_bits:	used to mark which contexts are waiting for hardware
 * @watchdog_cnt:	counter for the watchdog
 * @watchdog_workqueue:	workqueue for the watchdog
 * @watchdog_work:	worker for the watchdog
 * @enter_suspend:	flag set when entering suspend
 * @ctx_buf:		common context memory (MFCv6)
 * @warn_start:		hardware error code from which warnings start
 * @mfc_ops:		ops structure holding HW operation function pointers
 * @mfc_cmds:		cmd structure holding HW commands function pointers
 * @mfc_regs:		structure holding MFC registers
 * @fw_ver:		loaded firmware sub-version
 * @fw_get_done		flag set when request_firmware() is complete and
 *			copied into fw_buf
 * risc_on:		flag indicates RISC is on or off
 *
 */
struct s5p_mfc_dev {
	struct v4l2_device	v4l2_dev;
	struct video_device	*vfd_dec;
	struct video_device	*vfd_enc;
	struct platform_device	*plat_dev;
	struct device		*mem_dev[BANK_CTX_NUM];
	void __iomem		*regs_base;
	int			irq;
	struct v4l2_ctrl_handler dec_ctrl_handler;
	struct v4l2_ctrl_handler enc_ctrl_handler;
	struct s5p_mfc_pm	pm;
	const struct s5p_mfc_variant	*variant;
	int num_inst;
	spinlock_t irqlock;	/* lock when operating on context */
	spinlock_t condlock;	/* lock when changing/checking if a context is
					ready to be processed */
	struct mutex mfc_mutex; /* video_device lock */
	int int_cond;
	int int_type;
	unsigned int int_err;
	wait_queue_head_t queue;
	struct s5p_mfc_priv_buf fw_buf;
	size_t mem_size;
	dma_addr_t mem_base;
	unsigned long *mem_bitmap;
	void *mem_virt;
	dma_addr_t dma_base[BANK_CTX_NUM];
	unsigned long hw_lock;
	struct s5p_mfc_ctx *ctx[MFC_NUM_CONTEXTS];
	int curr_ctx;
	unsigned long ctx_work_bits;
	atomic_t watchdog_cnt;
	struct timer_list watchdog_timer;
	struct workqueue_struct *watchdog_workqueue;
	struct work_struct watchdog_work;
	unsigned long enter_suspend;

	struct s5p_mfc_priv_buf ctx_buf;
	int warn_start;
	struct s5p_mfc_hw_ops *mfc_ops;
	struct s5p_mfc_hw_cmds *mfc_cmds;
	const struct s5p_mfc_regs *mfc_regs;
	enum s5p_mfc_fw_ver fw_ver;
	bool fw_get_done;
	bool risc_on; /* indicates if RISC is on or off */
};

/**
 * struct s5p_mfc_h264_enc_params - encoding parameters for h264
 */
struct s5p_mfc_h264_enc_params {
	enum v4l2_mpeg_video_h264_profile profile;
	enum v4l2_mpeg_video_h264_loop_filter_mode loop_filter_mode;
	s8 loop_filter_alpha;
	s8 loop_filter_beta;
	enum v4l2_mpeg_video_h264_entropy_mode entropy_mode;
	u8 max_ref_pic;
	u8 num_ref_pic_4p;
	int _8x8_transform;
	int rc_mb_dark;
	int rc_mb_smooth;
	int rc_mb_static;
	int rc_mb_activity;
	int vui_sar;
	u8 vui_sar_idc;
	u16 vui_ext_sar_width;
	u16 vui_ext_sar_height;
	int open_gop;
	u16 open_gop_size;
	u8 rc_frame_qp;
	u8 rc_min_qp;
	u8 rc_max_qp;
	u8 rc_p_frame_qp;
	u8 rc_b_frame_qp;
	enum v4l2_mpeg_video_h264_level level_v4l2;
	int level;
	u16 cpb_size;
	int interlace;
	u8 hier_qp;
	u8 hier_qp_type;
	u8 hier_qp_layer;
	u8 hier_qp_layer_qp[7];
	u8 sei_frame_packing;
	u8 sei_fp_curr_frame_0;
	u8 sei_fp_arrangement_type;

	u8 fmo;
	u8 fmo_map_type;
	u8 fmo_slice_grp;
	u8 fmo_chg_dir;
	u32 fmo_chg_rate;
	u32 fmo_run_len[4];
	u8 aso;
	u32 aso_slice_order[8];
};

/**
 * struct s5p_mfc_mpeg4_enc_params - encoding parameters for h263 and mpeg4
 */
struct s5p_mfc_mpeg4_enc_params {
	/* MPEG4 Only */
	enum v4l2_mpeg_video_mpeg4_profile profile;
	int quarter_pixel;
	/* Common for MPEG4, H263 */
	u16 vop_time_res;
	u16 vop_frm_delta;
	u8 rc_frame_qp;
	u8 rc_min_qp;
	u8 rc_max_qp;
	u8 rc_p_frame_qp;
	u8 rc_b_frame_qp;
	enum v4l2_mpeg_video_mpeg4_level level_v4l2;
	int level;
};

/**
 * struct s5p_mfc_vp8_enc_params - encoding parameters for vp8
 */
struct s5p_mfc_vp8_enc_params {
	u8 imd_4x4;
	enum v4l2_vp8_num_partitions num_partitions;
	enum v4l2_vp8_num_ref_frames num_ref;
	u8 filter_level;
	u8 filter_sharpness;
	u32 golden_frame_ref_period;
	enum v4l2_vp8_golden_frame_sel golden_frame_sel;
	u8 hier_layer;
	u8 hier_layer_qp[3];
	u8 rc_min_qp;
	u8 rc_max_qp;
	u8 rc_frame_qp;
	u8 rc_p_frame_qp;
	u8 profile;
};

struct s5p_mfc_hevc_enc_params {
	enum v4l2_mpeg_video_hevc_profile profile;
	int level;
	enum v4l2_mpeg_video_h264_level level_v4l2;
	u8 tier;
	u32 rc_framerate;
	u8 rc_min_qp;
	u8 rc_max_qp;
	u8 rc_lcu_dark;
	u8 rc_lcu_smooth;
	u8 rc_lcu_static;
	u8 rc_lcu_activity;
	u8 rc_frame_qp;
	u8 rc_p_frame_qp;
	u8 rc_b_frame_qp;
	u8 max_partition_depth;
	u8 num_refs_for_p;
	u8 refreshtype;
	u16 refreshperiod;
	s32 lf_beta_offset_div2;
	s32 lf_tc_offset_div2;
	u8 loopfilter;
	u8 loopfilter_disable;
	u8 loopfilter_across;
	u8 nal_control_length_filed;
	u8 nal_control_user_ref;
	u8 nal_control_store_ref;
	u8 const_intra_period_enable;
	u8 lossless_cu_enable;
	u8 wavefront_enable;
	u8 enable_ltr;
	u8 hier_qp_enable;
	enum v4l2_mpeg_video_hevc_hier_coding_type hier_qp_type;
	u8 num_hier_layer;
	u8 hier_qp_layer[7];
	u32 hier_bit_layer[7];
	u8 sign_data_hiding;
	u8 general_pb_enable;
	u8 temporal_id_enable;
	u8 strong_intra_smooth;
	u8 intra_pu_split_disable;
	u8 tmv_prediction_disable;
	u8 max_num_merge_mv;
	u8 eco_mode_enable;
	u8 encoding_nostartcode_enable;
	u8 size_of_length_field;
	u8 prepend_sps_pps_to_idr;
};

/**
 * struct s5p_mfc_enc_params - general encoding parameters
 */
struct s5p_mfc_enc_params {
	u16 width;
	u16 height;
	u32 mv_h_range;
	u32 mv_v_range;

	u16 gop_size;
	enum v4l2_mpeg_video_multi_slice_mode slice_mode;
	u16 slice_mb;
	u32 slice_bit;
	u16 intra_refresh_mb;
	int pad;
	u8 pad_luma;
	u8 pad_cb;
	u8 pad_cr;
	int rc_frame;
	int rc_mb;
	u32 rc_bitrate;
	u16 rc_reaction_coeff;
	u16 vbv_size;
	u32 vbv_delay;

	enum v4l2_mpeg_video_header_mode seq_hdr_mode;
	enum v4l2_mpeg_mfc51_video_frame_skip_mode frame_skip_mode;
	int fixed_target_bit;

	u8 num_b_frame;
	u32 rc_framerate_num;
	u32 rc_framerate_denom;

	struct {
		struct s5p_mfc_h264_enc_params h264;
		struct s5p_mfc_mpeg4_enc_params mpeg4;
		struct s5p_mfc_vp8_enc_params vp8;
		struct s5p_mfc_hevc_enc_params hevc;
	} codec;

};

/**
 * struct s5p_mfc_codec_ops - codec ops, used by encoding
 */
struct s5p_mfc_codec_ops {
	/* initialization routines */
	int (*pre_seq_start) (struct s5p_mfc_ctx *ctx);
	int (*post_seq_start) (struct s5p_mfc_ctx *ctx);
	/* execution routines */
	int (*pre_frame_start) (struct s5p_mfc_ctx *ctx);
	int (*post_frame_start) (struct s5p_mfc_ctx *ctx);
};

#define call_cop(c, op, args...)				\
	(((c)->c_ops->op) ?					\
		((c)->c_ops->op(args)) : 0)

/**
 * struct s5p_mfc_ctx - This struct contains the instance context
 *
 * @dev:		pointer to the s5p_mfc_dev of the device
 * @fh:			struct v4l2_fh
 * @num:		number of the context that this structure describes
 * @int_cond:		variable used by the waitqueue
 * @int_type:		type of the last interrupt
 * @int_err:		error number received from MFC hw in the interrupt
 * @queue:		waitqueue that can be used to wait for this context to
 *			finish
 * @src_fmt:		source pixelformat information
 * @dst_fmt:		destination pixelformat information
 * @vq_src:		vb2 queue for source buffers
 * @vq_dst:		vb2 queue for destination buffers
 * @src_queue:		driver internal queue for source buffers
 * @dst_queue:		driver internal queue for destination buffers
 * @src_queue_cnt:	number of buffers queued on the source internal queue
 * @dst_queue_cnt:	number of buffers queued on the dest internal queue
 * @type:		type of the instance - decoder or encoder
 * @state:		state of the context
 * @inst_no:		number of hw instance associated with the context
 * @img_width:		width of the image that is decoded or encoded
 * @img_height:		height of the image that is decoded or encoded
 * @buf_width:		width of the buffer for processed image
 * @buf_height:		height of the buffer for processed image
 * @luma_size:		size of a luma plane
 * @chroma_size:	size of a chroma plane
 * @mv_size:		size of a motion vectors buffer
 * @consumed_stream:	number of bytes that have been used so far from the
 *			decoding buffer
 * @dpb_flush_flag:	flag used to indicate that a DPB buffers are being
 *			flushed
 * @head_processed:	flag mentioning whether the header data is processed
 *			completely or not
 * @bank1:		handle to memory allocated for temporary buffers from
 *			memory bank 1
 * @bank2:		handle to memory allocated for temporary buffers from
 *			memory bank 2
 * @capture_state:	state of the capture buffers queue
 * @output_state:	state of the output buffers queue
 * @src_bufs:		information on allocated source buffers
 * @dst_bufs:		information on allocated destination buffers
 * @sequence:		counter for the sequence number for v4l2
 * @dec_dst_flag:	flags for buffers queued in the hardware
 * @dec_src_buf_size:	size of the buffer for source buffers in decoding
 * @codec_mode:		number of codec mode used by MFC hw
 * @slice_interface:	slice interface flag
 * @loop_filter_mpeg4:	loop filter for MPEG4 flag
 * @display_delay:	value of the display delay for H264
 * @display_delay_enable:	display delay for H264 enable flag
 * @after_packed_pb:	flag used to track buffer when stream is in
 *			Packed PB format
 * @sei_fp_parse:	enable/disable parsing of frame packing SEI information
 * @dpb_count:		count of the DPB buffers required by MFC hw
 * @total_dpb_count:	count of DPB buffers with additional buffers
 *			requested by the application
 * @ctx:		context buffer information
 * @dsc:		descriptor buffer information
 * @shm:		shared memory buffer information
 * @mv_count:		number of MV buffers allocated for decoding
 * @enc_params:		encoding parameters for MFC
 * @enc_dst_buf_size:	size of the buffers for encoder output
 * @luma_dpb_size:	dpb buffer size for luma
 * @chroma_dpb_size:	dpb buffer size for chroma
 * @me_buffer_size:	size of the motion estimation buffer
 * @tmv_buffer_size:	size of temporal predictor motion vector buffer
 * @frame_type:		used to force the type of the next encoded frame
 * @ref_queue:		list of the reference buffers for encoding
 * @ref_queue_cnt:	number of the buffers in the reference list
 * @c_ops:		ops for encoding
 * @ctrls:		array of controls, used when adding controls to the
 *			v4l2 control framework
 * @ctrl_handler:	handler for v4l2 framework
 */
struct s5p_mfc_ctx {
	struct s5p_mfc_dev *dev;
	struct v4l2_fh fh;

	int num;

	int int_cond;
	int int_type;
	unsigned int int_err;
	wait_queue_head_t queue;

	struct s5p_mfc_fmt *src_fmt;
	struct s5p_mfc_fmt *dst_fmt;

	struct vb2_queue vq_src;
	struct vb2_queue vq_dst;

	struct list_head src_queue;
	struct list_head dst_queue;

	unsigned int src_queue_cnt;
	unsigned int dst_queue_cnt;

	enum s5p_mfc_inst_type type;
	enum s5p_mfc_inst_state state;
	int inst_no;

	/* Image parameters */
	int img_width;
	int img_height;
	int buf_width;
	int buf_height;

	int luma_size;
	int chroma_size;
	int mv_size;

	unsigned long consumed_stream;

	unsigned int dpb_flush_flag;
	unsigned int head_processed;

	struct s5p_mfc_priv_buf bank1;
	struct s5p_mfc_priv_buf bank2;

	enum s5p_mfc_queue_state capture_state;
	enum s5p_mfc_queue_state output_state;

	struct s5p_mfc_buf src_bufs[MFC_MAX_BUFFERS];
	int src_bufs_cnt;
	struct s5p_mfc_buf dst_bufs[MFC_MAX_BUFFERS];
	int dst_bufs_cnt;

	unsigned int sequence;
	unsigned long dec_dst_flag;
	size_t dec_src_buf_size;

	/* Control values */
	int codec_mode;
	int slice_interface;
	int loop_filter_mpeg4;
	int display_delay;
	int display_delay_enable;
	int after_packed_pb;
	int sei_fp_parse;

	int pb_count;
	int total_dpb_count;
	int mv_count;
	/* Buffers */
	struct s5p_mfc_priv_buf ctx;
	struct s5p_mfc_priv_buf dsc;
	struct s5p_mfc_priv_buf shm;

	struct s5p_mfc_enc_params enc_params;

	size_t enc_dst_buf_size;
	size_t luma_dpb_size;
	size_t chroma_dpb_size;
	size_t me_buffer_size;
	size_t tmv_buffer_size;

	enum v4l2_mpeg_mfc51_video_force_frame_type force_frame_type;

	struct list_head ref_queue;
	unsigned int ref_queue_cnt;

	enum v4l2_mpeg_video_multi_slice_mode slice_mode;
	union {
		unsigned int mb;
		unsigned int bits;
	} slice_size;

	const struct s5p_mfc_codec_ops *c_ops;

	struct v4l2_ctrl *ctrls[MFC_MAX_CTRLS];
	struct v4l2_ctrl_handler ctrl_handler;
	unsigned int frame_tag;
	size_t scratch_buf_size;
};

/*
 * struct s5p_mfc_fmt -	structure used to store information about pixelformats
 *			used by the MFC
 */
struct s5p_mfc_fmt {
	char *name;
	u32 fourcc;
	u32 codec_mode;
	enum s5p_mfc_fmt_type type;
	u32 num_planes;
	u32 versions;
};

/**
 * struct mfc_control -	structure used to store information about MFC controls
 *			it is used to initialize the control framework.
 */
struct mfc_control {
	__u32			id;
	enum v4l2_ctrl_type	type;
	__u8			name[32];  /* Whatever */
	__s32			minimum;   /* Note signedness */
	__s32			maximum;
	__s32			step;
	__u32			menu_skip_mask;
	__s32			default_value;
	__u32			flags;
	__u32			reserved[2];
	__u8			is_volatile;
};

/* Macro for making hardware specific calls */
#define s5p_mfc_hw_call(f, op, args...) \
	((f && f->op) ? f->op(args) : (typeof(f->op(args)))(-ENODEV))

#define fh_to_ctx(__fh) container_of(__fh, struct s5p_mfc_ctx, fh)
#define ctrl_to_ctx(__ctrl) \
	container_of((__ctrl)->handler, struct s5p_mfc_ctx, ctrl_handler)

void clear_work_bit(struct s5p_mfc_ctx *ctx);
void set_work_bit(struct s5p_mfc_ctx *ctx);
void clear_work_bit_irqsave(struct s5p_mfc_ctx *ctx);
void set_work_bit_irqsave(struct s5p_mfc_ctx *ctx);
int s5p_mfc_get_new_ctx(struct s5p_mfc_dev *dev);
void s5p_mfc_cleanup_queue(struct list_head *lh, struct vb2_queue *vq);

#define HAS_PORTNUM(dev)	(dev ? (dev->variant ? \
				(dev->variant->port_num ? 1 : 0) : 0) : 0)
#define IS_TWOPORT(dev)		(dev->variant->port_num == 2 ? 1 : 0)
#define IS_MFCV6_PLUS(dev)	(dev->variant->version >= 0x60 ? 1 : 0)
#define IS_MFCV7_PLUS(dev)	(dev->variant->version >= 0x70 ? 1 : 0)
#define IS_MFCV8_PLUS(dev)	(dev->variant->version >= 0x80 ? 1 : 0)
#define IS_MFCV10(dev)		(dev->variant->version >= 0xA0 ? 1 : 0)
#define FW_HAS_E_MIN_SCRATCH_BUF(dev) (IS_MFCV10(dev))

#define MFC_V5_BIT	BIT(0)
#define MFC_V6_BIT	BIT(1)
#define MFC_V7_BIT	BIT(2)
#define MFC_V8_BIT	BIT(3)
#define MFC_V10_BIT	BIT(5)

#define MFC_V5PLUS_BITS		(MFC_V5_BIT | MFC_V6_BIT | MFC_V7_BIT | \
					MFC_V8_BIT | MFC_V10_BIT)
#define MFC_V6PLUS_BITS		(MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT | \
					MFC_V10_BIT)
#define MFC_V7PLUS_BITS		(MFC_V7_BIT | MFC_V8_BIT | MFC_V10_BIT)

#endif /* S5P_MFC_COMMON_H_ */