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linux/drivers/media/platform/s5p-mfc/s5p_mfc_common.h

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/*
* 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>
*
* 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
*/
#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-v8.h"
/* Definitions related to MFC memory */
/* Offset base used to differentiate between CAPTURE and OUTPUT
* while mmaping */
#define DST_QUEUE_OFF_BASE (1 << 30)
#define MFC_BANK1_ALLOC_CTX 0
#define MFC_BANK2_ALLOC_CTX 1
#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>
static inline dma_addr_t s5p_mfc_mem_cookie(void *a, void *b)
{
/* Same functionality as the vb2_dma_contig_plane_paddr */
dma_addr_t *paddr = vb2_dma_contig_memops.cookie(b);
return *paddr;
}
/* 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 77
#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_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_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_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;
struct clk *clock_gate;
atomic_t power;
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 other_enc_ctx;
};
struct s5p_mfc_buf_size {
unsigned int fw;
unsigned int cpb;
void *priv;
};
struct s5p_mfc_buf_align {
unsigned int base;
};
struct s5p_mfc_variant {
unsigned int version;
unsigned int port_num;
u32 version_bit;
struct s5p_mfc_buf_size *buf_size;
struct s5p_mfc_buf_align *buf_align;
char *fw_name[MFC_FW_MAX_VERSIONS];
};
/**
* 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
*/
struct s5p_mfc_priv_buf {
unsigned long ofs;
void *virt;
dma_addr_t dma;
size_t size;
};
/**
* 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_l: child device of the left memory bank (0)
* @mem_dev_r: child device of the right memory bank (1)
* @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: couter 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
* @bank1: address of the beginning of bank 1 memory
* @bank2: address of the beginning of bank 2 memory
* @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
* @alloc_ctx: videobuf2 allocator contexts for two memory banks
* @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
* @fw_ver: loaded firmware sub-version
*
*/
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_l;
struct device *mem_dev_r;
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;
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;
size_t fw_size;
void *fw_virt_addr;
dma_addr_t bank1;
dma_addr_t bank2;
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;
void *alloc_ctx[2];
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 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_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;
} 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(dev) (dev->variant->version >= 0x80 ? 1 : 0)
#define MFC_V5_BIT BIT(0)
#define MFC_V6_BIT BIT(1)
#define MFC_V7_BIT BIT(2)
#define MFC_V8_BIT BIT(3)
#endif /* S5P_MFC_COMMON_H_ */
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