Subject: Re: [Patch v3 10/11] [media] s5p-mfc: Add support for HEVC encoder
From: Smitha T Murthy <smitha.t@samsung.com>
To: Andrzej Hajda <a.hajda@samsung.com>
Cc: linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org,
        linux-kernel@vger.kernel.org, kyungmin.park@samsung.com,
        kamil@wypas.org, jtp.park@samsung.com, mchehab@kernel.org,
        pankaj.dubey@samsung.com, krzk@kernel.org, m.szyprowski@samsung.com,
        s.nawrocki@samsung.com
In-reply-to: <d0e134cf-9b24-27ac-276a-723b7ef9e5b4@samsung.com>
Date: Mon, 03 Apr 2017 17:48:12 +0530
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On Mon, 2017-04-03 at 10:59 +0200, Andrzej Hajda wrote:
> On 31.03.2017 11:06, Smitha T Murthy wrote:
> > Add HEVC encoder support and necessary registers, V4L2 CIDs,
> > and hevc encoder parameters
> >
> > Signed-off-by: Smitha T Murthy <smitha.t@samsung.com>
> > ---
> >  drivers/media/platform/s5p-mfc/regs-mfc-v10.h   |  28 +-
> >  drivers/media/platform/s5p-mfc/s5p_mfc.c        |   1 +
> >  drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c |   3 +
> >  drivers/media/platform/s5p-mfc/s5p_mfc_common.h |  57 ++-
> >  drivers/media/platform/s5p-mfc/s5p_mfc_enc.c    | 595 ++++++++++++++++++++++++
> >  drivers/media/platform/s5p-mfc/s5p_mfc_opr.h    |   8 +
> >  drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c | 194 ++++++++
> >  drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h |   8 +
> >  8 files changed, 892 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/media/platform/s5p-mfc/regs-mfc-v10.h b/drivers/media/platform/s5p-mfc/regs-mfc-v10.h
> > index 6754477..7065b9d 100644
> > --- a/drivers/media/platform/s5p-mfc/regs-mfc-v10.h
> > +++ b/drivers/media/platform/s5p-mfc/regs-mfc-v10.h
> > @@ -20,13 +20,35 @@
> >  #define S5P_FIMV_MFC_STATE_V10				0x7124
> >  #define S5P_FIMV_D_STATIC_BUFFER_ADDR_V10		0xF570
> >  #define S5P_FIMV_D_STATIC_BUFFER_SIZE_V10		0xF574
> > +#define S5P_FIMV_E_NUM_T_LAYER_V10			0xFBAC
> > +#define S5P_FIMV_E_HIERARCHICAL_QP_LAYER0_V10		0xFBB0
> > +#define S5P_FIMV_E_HIERARCHICAL_QP_LAYER1_V10		0xFBB4
> > +#define S5P_FIMV_E_HIERARCHICAL_QP_LAYER2_V10		0xFBB8
> > +#define S5P_FIMV_E_HIERARCHICAL_QP_LAYER3_V10		0xFBBC
> > +#define S5P_FIMV_E_HIERARCHICAL_QP_LAYER4_V10		0xFBC0
> > +#define S5P_FIMV_E_HIERARCHICAL_QP_LAYER5_V10		0xFBC4
> > +#define S5P_FIMV_E_HIERARCHICAL_QP_LAYER6_V10		0xFBC8
> > +#define S5P_FIMV_E_HIERARCHICAL_BIT_RATE_LAYER0_V10	0xFD18
> > +#define S5P_FIMV_E_HIERARCHICAL_BIT_RATE_LAYER1_V10	0xFD1C
> > +#define S5P_FIMV_E_HIERARCHICAL_BIT_RATE_LAYER2_V10	0xFD20
> > +#define S5P_FIMV_E_HIERARCHICAL_BIT_RATE_LAYER3_V10	0xFD24
> > +#define S5P_FIMV_E_HIERARCHICAL_BIT_RATE_LAYER4_V10	0xFD28
> > +#define S5P_FIMV_E_HIERARCHICAL_BIT_RATE_LAYER5_V10	0xFD2C
> > +#define S5P_FIMV_E_HIERARCHICAL_BIT_RATE_LAYER6_V10	0xFD30
> > +#define S5P_FIMV_E_HEVC_OPTIONS_V10			0xFDD4
> > +#define S5P_FIMV_E_HEVC_REFRESH_PERIOD_V10		0xFDD8
> > +#define S5P_FIMV_E_HEVC_CHROMA_QP_OFFSET_V10		0xFDDC
> > +#define S5P_FIMV_E_HEVC_LF_BETA_OFFSET_DIV2_V10		0xFDE0
> > +#define S5P_FIMV_E_HEVC_LF_TC_OFFSET_DIV2_V10		0xFDE4
> > +#define S5P_FIMV_E_HEVC_NAL_CONTROL_V10			0xFDE8
> >  
> >  /* MFCv10 Context buffer sizes */
> >  #define MFC_CTX_BUF_SIZE_V10		(30 * SZ_1K)
> >  #define MFC_H264_DEC_CTX_BUF_SIZE_V10	(2 * SZ_1M)
> >  #define MFC_OTHER_DEC_CTX_BUF_SIZE_V10	(20 * SZ_1K)
> >  #define MFC_H264_ENC_CTX_BUF_SIZE_V10	(100 * SZ_1K)
> > -#define MFC_OTHER_ENC_CTX_BUF_SIZE_V10	(15 * SZ_1K)
> > +#define MFC_HEVC_ENC_CTX_BUF_SIZE_V10	(30 * SZ_1K)
> > +#define MFC_OTHER_ENC_CTX_BUF_SIZE_V10  (15 * SZ_1K)
> >  
> >  /* MFCv10 variant defines */
> >  #define MAX_FW_SIZE_V10		(SZ_1M)
> > @@ -58,5 +80,9 @@
> >  #define ENC_V100_VP8_ME_SIZE(x, y) \
> >  	ENC_V100_BASE_SIZE(x, y)
> >  
> > +#define ENC_V100_HEVC_ME_SIZE(x, y)	\
> > +	(((x + 3) * (y + 3) * 32)	\
> > +	 + ((y * 128) + 1280) * DIV_ROUND_UP(x, 4))
> > +
> >  #endif /*_REGS_MFC_V10_H*/
> >  
> > diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
> > index 399c547..b3862d1 100644
> > --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
> > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
> > @@ -1554,6 +1554,7 @@ static struct s5p_mfc_buf_size_v6 mfc_buf_size_v10 = {
> >  	.h264_dec_ctx   = MFC_H264_DEC_CTX_BUF_SIZE_V10,
> >  	.other_dec_ctx  = MFC_OTHER_DEC_CTX_BUF_SIZE_V10,
> >  	.h264_enc_ctx   = MFC_H264_ENC_CTX_BUF_SIZE_V10,
> > +	.hevc_enc_ctx   = MFC_HEVC_ENC_CTX_BUF_SIZE_V10,
> >  	.other_enc_ctx  = MFC_OTHER_ENC_CTX_BUF_SIZE_V10,
> >  };
> >  
> > diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c
> > index 102b47e..7521fce 100644
> > --- a/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c
> > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c
> > @@ -122,6 +122,9 @@ static int s5p_mfc_open_inst_cmd_v6(struct s5p_mfc_ctx *ctx)
> >  	case S5P_MFC_CODEC_VP8_ENC:
> >  		codec_type = S5P_FIMV_CODEC_VP8_ENC_V7;
> >  		break;
> > +	case S5P_MFC_CODEC_HEVC_ENC:
> > +		codec_type = S5P_FIMV_CODEC_HEVC_ENC;
> > +		break;
> >  	default:
> >  		codec_type = S5P_FIMV_CODEC_NONE_V6;
> >  	}
> > diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
> > index 4082079..ad06e45 100644
> > --- a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
> > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
> > @@ -68,7 +68,7 @@ static inline dma_addr_t s5p_mfc_mem_cookie(void *a, void *b)
> >  #define MFC_ENC_CAP_PLANE_COUNT	1
> >  #define MFC_ENC_OUT_PLANE_COUNT	2
> >  #define STUFF_BYTE		4
> > -#define MFC_MAX_CTRLS		77
> > +#define MFC_MAX_CTRLS		128
> >  
> >  #define S5P_MFC_CODEC_NONE		-1
> >  #define S5P_MFC_CODEC_H264_DEC		0
> > @@ -87,6 +87,7 @@ static inline dma_addr_t s5p_mfc_mem_cookie(void *a, void *b)
> >  #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
> > @@ -222,6 +223,7 @@ struct s5p_mfc_buf_size_v6 {
> >  	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;
> >  };
> >  
> > @@ -440,6 +442,58 @@ struct s5p_mfc_vp8_enc_params {
> >  	u8 profile;
> >  };
> >  
> > +struct s5p_mfc_hevc_enc_params {
> > +	enum v4l2_mpeg_video_hevc_profile profile;
> > +	u8 level;
> > +	enum v4l2_mpeg_video_h264_level level_v4l2;
> > +	u8 tier_flag;
> > +	/* HEVC Only */
> 
> spare comment
> 
Ok I will remove it.

> > +	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_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 hier_ref_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 use_ref;
> > +	u8 store_ref;
> > +	u8 prepend_sps_pps_to_idr;
> > +};
> > +
> >  /**
> >   * struct s5p_mfc_enc_params - general encoding parameters
> >   */
> > @@ -477,6 +531,7 @@ struct s5p_mfc_enc_params {
> >  		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;
> >  
> >  };
> > diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
> > index 57a40c0..f13e60b 100644
> > --- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
> > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
> > @@ -99,6 +99,14 @@ static struct s5p_mfc_fmt formats[] = {
> >  		.num_planes	= 1,
> >  		.versions	= MFC_V7PLUS_BITS,
> >  	},
> > +	{
> > +		.name		= "HEVC Encoded Stream",
> > +		.fourcc		= V4L2_PIX_FMT_HEVC,
> > +		.codec_mode	= S5P_FIMV_CODEC_HEVC_ENC,
> > +		.type		= MFC_FMT_ENC,
> > +		.num_planes	= 1,
> > +		.versions	= MFC_V10_BIT,
> > +	},
> >  };
> >  
> >  #define NUM_FORMATS ARRAY_SIZE(formats)
> > @@ -693,6 +701,420 @@ static struct mfc_control controls[] = {
> >  		.default_value = 0,
> >  	},
> >  	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_QP,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "HEVC I Frame QP value",
> > +		.minimum = 0,
> > +		.maximum = 51,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_QP,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "HEVC P frame QP value",
> > +		.minimum = 0,
> > +		.maximum = 51,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_QP,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "HEVC B frame QP value",
> > +		.minimum = 0,
> > +		.maximum = 51,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "HEVC Minimum QP value",
> > +		.minimum = 0,
> > +		.maximum = 51,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "HEVC Maximum QP value",
> > +		.minimum = 0,
> > +		.maximum = 51,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_ADAPTIVE_RC_DARK,
> > +		.type = V4L2_CTRL_TYPE_BOOLEAN,
> > +		.name = "HEVC dark reg adaptive rc",
> > +		.minimum = 0,
> > +		.maximum = 1,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_ADAPTIVE_RC_SMOOTH,
> > +		.type = V4L2_CTRL_TYPE_BOOLEAN,
> > +		.name = "HEVC smooth reg adaptive rc",
> > +		.minimum = 0,
> > +		.maximum = 1,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_ADAPTIVE_RC_STATIC,
> > +		.type = V4L2_CTRL_TYPE_BOOLEAN,
> > +		.name = "HEVC static reg adaptive rc",
> > +		.minimum = 0,
> > +		.maximum = 1,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_ADAPTIVE_RC_ACTIVITY,
> > +		.type = V4L2_CTRL_TYPE_BOOLEAN,
> > +		.name = "HEVC activity reg adaptive rc",
> > +		.minimum = 0,
> > +		.maximum = 1,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_PROFILE,
> > +		.type = V4L2_CTRL_TYPE_MENU,
> > +		.name = "HEVC Profile",
> > +		.minimum = V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN,
> > +		.maximum = V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE,
> > +		.step = 1,
> > +		.default_value = V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_LEVEL,
> > +		.type = V4L2_CTRL_TYPE_MENU,
> > +		.name = "HEVC level",
> > +		.minimum = V4L2_MPEG_VIDEO_HEVC_LEVEL_1,
> > +		.maximum = V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2,
> > +		.step = 1,
> > +		.default_value = V4L2_MPEG_VIDEO_HEVC_LEVEL_1,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_TIER_FLAG,
> > +		.type = V4L2_CTRL_TYPE_BOOLEAN,
> > +		.name = "HEVC tier_flag",
> > +		.minimum = 0,
> > +		.maximum = 1,
> > +		.step = 1,
> > +		.default_value = 0,
> 
> I am not sure if I said it already explicitly but tier fits more to menu
> control.
> It is the same category as profile, level,... And there are two tiers:
> Main and High.
> 
Sorry I missed this. I will add the menu control for this in the next
version of patches.

> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_FRAME_RATE_RESOLUTION,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "HEVC Frame rate resolution",
> > +		.minimum = 1,
> > +		.maximum = (1 << 16) - 1,
> > +		.step = 1,
> > +		.default_value = 1,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_MAX_PARTITION_DEPTH,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "HEVC Maximum coding unit depth",
> > +		.minimum = 0,
> > +		.maximum = 1,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_REF_NUMBER_FOR_PFRAMES,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "HEVC Number of reference picture",
> > +		.minimum = 1,
> > +		.maximum = 2,
> > +		.step = 1,
> > +		.default_value = 1,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_REFRESH_TYPE,
> > +		.type = V4L2_CTRL_TYPE_MENU,
> > +		.name = "HEVC Refresh type",
> > +		.minimum = V4L2_MPEG_VIDEO_HEVC_REFRESH_NONE,
> > +		.maximum = V4L2_MPEG_VIDEO_HEVC_REFRESH_IDR,
> > +		.step = 1,
> > +		.default_value = V4L2_MPEG_VIDEO_HEVC_REFRESH_NONE,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_CONST_INTRA_PRED,
> > +		.type = V4L2_CTRL_TYPE_BOOLEAN,
> > +		.name = "HEVC Constant intra prediction",
> > +		.minimum = 0,
> > +		.maximum = 1,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_LOSSLESS_CU,
> > +		.type = V4L2_CTRL_TYPE_BOOLEAN,
> > +		.name = "HEVC lossless encoding",
> > +		.minimum = 0,
> > +		.maximum = 1,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_WAVEFRONT,
> > +		.type = V4L2_CTRL_TYPE_BOOLEAN,
> > +		.name = "HEVC Wavefront",
> > +		.minimum = 0,
> > +		.maximum = 1,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_LF,
> > +		.type = V4L2_CTRL_TYPE_BOOLEAN,
> > +		.name = "HEVC Loop Filter",
> > +		.minimum = 0,
> > +		.maximum = 1,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_LF_SLICE_BOUNDARY,
> > +		.type = V4L2_CTRL_TYPE_BOOLEAN,
> > +		.name = "HEVC LF across slice boundary",
> > +		.minimum = 0,
> > +		.maximum = 1,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_QP,
> > +		.type = V4L2_CTRL_TYPE_BOOLEAN,
> > +		.name = "HEVC QP values",
> > +		.minimum = 0,
> > +		.maximum = 1,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_TYPE,
> > +		.type = V4L2_CTRL_TYPE_MENU,
> > +		.name = "HEVC Hierarchical Coding Type",
> > +		.minimum = V4L2_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_B,
> > +		.maximum = V4L2_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_P,
> > +		.step = 1,
> > +		.default_value = V4L2_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_B,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "HEVC Hierarchical Coding Layer",
> > +		.minimum = 0,
> > +		.maximum = 6,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_QP,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "HEVC Hierarchical Layer QP",
> > +		.minimum = INT_MIN,
> > +		.maximum = INT_MAX,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER0_BITRATE,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "HEVC Hierarchical Lay 0 Bit Rate",
> > +		.minimum = INT_MIN,
> > +		.maximum = INT_MAX,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER1_BITRATE,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "HEVC Hierarchical Lay 1 Bit Rate",
> > +		.minimum = INT_MIN,
> > +		.maximum = INT_MAX,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER2_BITRATE,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "HEVC Hierarchical Lay 2 Bit Rate",
> > +		.minimum = INT_MIN,
> > +		.maximum = INT_MAX,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER3_BITRATE,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "Hierarchical Lay 3 Bit Rate",
> > +		.minimum = INT_MIN,
> > +		.maximum = INT_MAX,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER4_BITRATE,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "Hierarchical Lay 4 Bit Rate",
> > +		.minimum = INT_MIN,
> > +		.maximum = INT_MAX,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER5_BITRATE,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "Hierarchical Lay 5 Bit Rate",
> > +		.minimum = INT_MIN,
> > +		.maximum = INT_MAX,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER6_BITRATE,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "Hierarchical Lay 6 Bit Rate",
> > +		.minimum = INT_MIN,
> > +		.maximum = INT_MAX,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_CH,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "Hierarchical Coding Layer Change",
> > +		.minimum = INT_MIN,
> > +		.maximum = INT_MAX,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_SIGN_DATA_HIDING,
> > +		.type = V4L2_CTRL_TYPE_BOOLEAN,
> > +		.name = "HEVC Sign data hiding",
> > +		.minimum = 0,
> > +		.maximum = 1,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_GENERAL_PB,
> > +		.type = V4L2_CTRL_TYPE_BOOLEAN,
> > +		.name = "HEVC General PB",
> > +		.minimum = 0,
> > +		.maximum = 1,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_TEMPORAL_ID,
> > +		.type = V4L2_CTRL_TYPE_BOOLEAN,
> > +		.name = "HEVC Temporal id",
> > +		.minimum = 0,
> > +		.maximum = 1,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_STRONG_SMOOTHING,
> > +		.type = V4L2_CTRL_TYPE_BOOLEAN,
> > +		.name = "HEVC Strong intra smoothing",
> > +		.minimum = 0,
> > +		.maximum = 1,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_INTRA_PU_SPLIT,
> > +		.type = V4L2_CTRL_TYPE_BOOLEAN,
> > +		.name = "HEVC intra pu split",
> > +		.minimum = 0,
> > +		.maximum = 1,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_TMV_PREDICTION,
> > +		.type = V4L2_CTRL_TYPE_BOOLEAN,
> > +		.name = "HEVC tmv prediction",
> > +		.minimum = 0,
> > +		.maximum = 1,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_MAX_NUM_MERGE_MV_MINUS1,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "max number of candidate MVs",
> > +		.minimum = 0,
> > +		.maximum = 4,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_WITHOUT_STARTCODE,
> > +		.type = V4L2_CTRL_TYPE_BOOLEAN,
> > +		.name = "ENC without startcode",
> > +		.minimum = 0,
> > +		.maximum = 1,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_REFRESH_PERIOD,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "HEVC num of I frame b/w 2 IDR",
> > +		.minimum = 0,
> > +		.maximum = (1 << 16) - 1,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_LF_BETA_OFFSET_DIV2,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "HEVC loop filter beta offset",
> > +		.minimum = -6,
> > +		.maximum = 6,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_LF_TC_OFFSET_DIV2,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "HEVC loop filter tc offset",
> > +		.minimum = -6,
> > +		.maximum = 6,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_SIZE_OF_LENGTH_FIELD,
> > +		.type = V4L2_CTRL_TYPE_MENU,
> > +		.name = "HEVC size of length field",
> > +		.minimum = V4L2_MPEG_VIDEO_HEVC_SIZE_0,
> > +		.maximum = V4L2_MPEG_VIDEO_HEVC_SIZE_4,
> > +		.step = 1,
> > +		.default_value = V4L2_MPEG_VIDEO_HEVC_SIZE_0,
> > +	},
> > +	{
> > +		.id = V4L2_CID_MPEG_VIDEO_HEVC_PREPEND_SPSPPS_TO_IDR,
> > +		.type = V4L2_CTRL_TYPE_INTEGER,
> > +		.name = "Prepend SPS/PPS to IDR",
> > +		.minimum = 0,
> > +		.maximum = 1,
> > +		.step = 1,
> > +		.default_value = 0,
> > +	},
> > +	{
> >  		.id = V4L2_CID_MIN_BUFFERS_FOR_OUTPUT,
> >  		.type = V4L2_CTRL_TYPE_INTEGER,
> >  		.name = "Minimum number of output bufs",
> > @@ -1359,6 +1781,26 @@ static inline int mpeg4_level(enum v4l2_mpeg_video_mpeg4_level lvl)
> >  	return t[lvl];
> >  }
> >  
> > +static inline int hevc_level(enum v4l2_mpeg_video_hevc_level lvl)
> > +{
> > +	static unsigned int t[V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2 + 1] = {
> > +		/* V4L2_MPEG_VIDEO_HEVC_LEVEL_1    */ 10,
> > +		/* V4L2_MPEG_VIDEO_HEVC_LEVEL_2    */ 20,
> > +		/* V4L2_MPEG_VIDEO_HEVC_LEVEL_2_1  */ 21,
> > +		/* V4L2_MPEG_VIDEO_HEVC_LEVEL_3    */ 30,
> > +		/* V4L2_MPEG_VIDEO_HEVC_LEVEL_3_1  */ 31,
> > +		/* V4L2_MPEG_VIDEO_HEVC_LEVEL_4    */ 40,
> > +		/* V4L2_MPEG_VIDEO_HEVC_LEVEL_4_1  */ 41,
> > +		/* V4L2_MPEG_VIDEO_HEVC_LEVEL_5    */ 50,
> > +		/* V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1  */ 51,
> > +		/* V4L2_MPEG_VIDEO_HEVC_LEVEL_5_2  */ 52,
> > +		/* V4L2_MPEG_VIDEO_HEVC_LEVEL_6    */ 60,
> > +		/* V4L2_MPEG_VIDEO_HEVC_LEVEL_6_1  */ 61,
> > +		/* V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2  */ 62,
> 
> Don't provide array size - compiler knows it already, and use array
> initializers - it will be safer:
>  
> 
> static unsigned int t[] = {
> 	[V4L2_MPEG_VIDEO_HEVC_LEVEL_1] = 10,
> 	...
> };
> 
> 
Ok I will correct this.

> > +	};
> > +	return t[lvl];
> > +}
> > +
> >  static inline int vui_sar_idc(enum v4l2_mpeg_video_h264_vui_sar_idc sar)
> >  {
> >  	static unsigned int t[V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_EXTENDED + 1] = {
> > @@ -1635,6 +2077,159 @@ static int s5p_mfc_enc_s_ctrl(struct v4l2_ctrl *ctrl)
> >  	case V4L2_CID_MPEG_VIDEO_VPX_PROFILE:
> >  		p->codec.vp8.profile = ctrl->val;
> >  		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_QP:
> > +		p->codec.hevc.rc_frame_qp = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_QP:
> > +		p->codec.hevc.rc_p_frame_qp = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_QP:
> > +		p->codec.hevc.rc_b_frame_qp = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_FRAME_RATE_RESOLUTION:
> > +		p->codec.hevc.rc_framerate = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP:
> > +		p->codec.hevc.rc_min_qp = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP:
> > +		p->codec.hevc.rc_max_qp = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_LEVEL:
> > +		p->codec.hevc.level_v4l2 = ctrl->val;
> > +		p->codec.hevc.level = hevc_level(ctrl->val);
> > +		if (p->codec.hevc.level < 0) {
> > +			mfc_err("Level number is wrong\n");
> > +			ret = p->codec.hevc.level;
> > +		}
> 
> With proper control constrains (min,max) checking value is not necessary.
> 
Ok I will remove this.

> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_PROFILE:
> > +		switch (ctrl->val) {
> > +		case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN:
> > +			ctrl->val = V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN;
> > +			break;
> > +		case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE:
> > +			ctrl->val =
> > +			V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE;
> > +			break;
> > +		default:
> > +			ret = -EINVAL;
> > +		}
> 
> What is this? I guess you wanted to write sth to p->codec.hevc.profile .
> 
> 
Sorry yes I meant to write p->codec.hevc.profile. I will correct this.

> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_ADAPTIVE_RC_DARK:
> > +		p->codec.hevc.rc_lcu_dark = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_ADAPTIVE_RC_SMOOTH:
> > +		p->codec.hevc.rc_lcu_smooth = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_ADAPTIVE_RC_STATIC:
> > +		p->codec.hevc.rc_lcu_static = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_ADAPTIVE_RC_ACTIVITY:
> > +		p->codec.hevc.rc_lcu_activity = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_TIER_FLAG:
> > +		p->codec.hevc.tier_flag = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_MAX_PARTITION_DEPTH:
> > +		p->codec.hevc.max_partition_depth = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_REF_NUMBER_FOR_PFRAMES:
> > +		p->codec.hevc.num_refs_for_p = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_REFRESH_TYPE:
> > +		p->codec.hevc.refreshtype = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_CONST_INTRA_PRED:
> > +		p->codec.hevc.const_intra_period_enable = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_LOSSLESS_CU:
> > +		p->codec.hevc.lossless_cu_enable = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_WAVEFRONT:
> > +		p->codec.hevc.wavefront_enable = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_LF:
> > +		p->codec.hevc.loopfilter_disable = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_LF_SLICE_BOUNDARY:
> > +		p->codec.hevc.loopfilter_across = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_QP:
> > +		p->codec.hevc.hier_qp_enable = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_TYPE:
> > +		p->codec.hevc.hier_qp_type =
> > +			(enum v4l2_mpeg_video_hevc_hier_coding_type)(ctrl->val);
> 
> No need to cast.
> 
Ok I will remove this.
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER:
> > +		p->codec.hevc.num_hier_layer = ctrl->val & 0x7;
> 
> No need to "& 0x7";
> 
Ok I will remove this.
> > +		p->codec.hevc.hier_ref_type = 0;
> 
> hier_ref_type is always zero, what is the point of its existence?
> 
> Regards
> Andrzej
> 
I will this also.

Thank you for the review.
Regards,
Smitha
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_QP:
> > +		p->codec.hevc.hier_qp_layer[(ctrl->val >> 16) & 0x7]
> > +					= ctrl->val & 0xFF;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER0_BITRATE:
> > +		p->codec.hevc.hier_bit_layer[0] = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER1_BITRATE:
> > +		p->codec.hevc.hier_bit_layer[1] = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER2_BITRATE:
> > +		p->codec.hevc.hier_bit_layer[2] = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER3_BITRATE:
> > +		p->codec.hevc.hier_bit_layer[3] = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER4_BITRATE:
> > +		p->codec.hevc.hier_bit_layer[4] = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER5_BITRATE:
> > +		p->codec.hevc.hier_bit_layer[5] = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER6_BITRATE:
> > +		p->codec.hevc.hier_bit_layer[6] = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_SIGN_DATA_HIDING:
> > +		p->codec.hevc.sign_data_hiding = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_GENERAL_PB:
> > +		p->codec.hevc.general_pb_enable = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_TEMPORAL_ID:
> > +		p->codec.hevc.temporal_id_enable = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_STRONG_SMOOTHING:
> > +		p->codec.hevc.strong_intra_smooth = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_INTRA_PU_SPLIT:
> > +		p->codec.hevc.intra_pu_split_disable = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_TMV_PREDICTION:
> > +		p->codec.hevc.tmv_prediction_disable = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_MAX_NUM_MERGE_MV_MINUS1:
> > +		p->codec.hevc.max_num_merge_mv = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_WITHOUT_STARTCODE:
> > +		p->codec.hevc.encoding_nostartcode_enable = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_REFRESH_PERIOD:
> > +		p->codec.hevc.refreshperiod = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_LF_BETA_OFFSET_DIV2:
> > +		p->codec.hevc.lf_beta_offset_div2 = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_LF_TC_OFFSET_DIV2:
> > +		p->codec.hevc.lf_tc_offset_div2 = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_SIZE_OF_LENGTH_FIELD:
> > +		p->codec.hevc.size_of_length_field = ctrl->val;
> > +		break;
> > +	case V4L2_CID_MPEG_VIDEO_HEVC_PREPEND_SPSPPS_TO_IDR:
> > +		p->codec.hevc.prepend_sps_pps_to_idr = ctrl->val;
> > +		break;
> >  	default:
> >  		v4l2_err(&dev->v4l2_dev, "Invalid control, id=%d, val=%d\n",
> >  							ctrl->id, ctrl->val);
> > diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h b/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h
> > index 565decf..7751272 100644
> > --- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h
> > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h
> > @@ -272,6 +272,14 @@ struct s5p_mfc_regs {
> >  	void __iomem *e_vp8_hierarchical_qp_layer1;/* v7 and v8 */
> >  	void __iomem *e_vp8_hierarchical_qp_layer2;/* v7 and v8 */
> >  	void __iomem *e_min_scratch_buffer_size; /* v10 */
> > +	void __iomem *e_num_t_layer; /* v10 */
> > +	void __iomem *e_hier_qp_layer0; /* v10 */
> > +	void __iomem *e_hier_bit_rate_layer0; /* v10 */
> > +	void __iomem *e_hevc_options; /* v10 */
> > +	void __iomem *e_hevc_refresh_period; /* v10 */
> > +	void __iomem *e_hevc_lf_beta_offset_div2; /* v10 */
> > +	void __iomem *e_hevc_lf_tc_offset_div2; /* v10 */
> > +	void __iomem *e_hevc_nal_control; /* v10 */
> >  };
> >  
> >  struct s5p_mfc_hw_ops {
> > diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
> > index ae5b871..dc62e0b 100644
> > --- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
> > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
> > @@ -299,6 +299,17 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx)
> >  			ctx->chroma_dpb_size + ctx->me_buffer_size));
> >  		ctx->bank2.size = 0;
> >  		break;
> > +	case S5P_MFC_CODEC_HEVC_ENC:
> > +		mfc_debug(2, "Use min scratch buffer size\n");
> > +		ctx->me_buffer_size =
> > +			ALIGN(ENC_V100_HEVC_ME_SIZE(lcu_width, lcu_height), 16);
> > +		ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size, 256);
> > +		ctx->bank1.size =
> > +			ctx->scratch_buf_size + ctx->tmv_buffer_size +
> > +			(ctx->pb_count * (ctx->luma_dpb_size +
> > +			ctx->chroma_dpb_size + ctx->me_buffer_size));
> > +		ctx->bank2.size = 0;
> > +		break;
> >  	default:
> >  		break;
> >  	}
> > @@ -349,6 +360,9 @@ static int s5p_mfc_alloc_instance_buffer_v6(struct s5p_mfc_ctx *ctx)
> >  	case S5P_MFC_CODEC_H264_ENC:
> >  		ctx->ctx.size = buf_size->h264_enc_ctx;
> >  		break;
> > +	case S5P_MFC_CODEC_HEVC_ENC:
> > +		ctx->ctx.size = buf_size->hevc_enc_ctx;
> > +		break;
> >  	case S5P_MFC_CODEC_MPEG4_ENC:
> >  	case S5P_MFC_CODEC_H263_ENC:
> >  	case S5P_MFC_CODEC_VP8_ENC:
> > @@ -1429,6 +1443,174 @@ static int s5p_mfc_set_enc_params_vp8(struct s5p_mfc_ctx *ctx)
> >  	return 0;
> >  }
> >  
> > +static int s5p_mfc_set_enc_params_hevc(struct s5p_mfc_ctx *ctx)
> > +{
> > +	struct s5p_mfc_dev *dev = ctx->dev;
> > +	const struct s5p_mfc_regs *mfc_regs = dev->mfc_regs;
> > +	struct s5p_mfc_enc_params *p = &ctx->enc_params;
> > +	struct s5p_mfc_hevc_enc_params *p_hevc = &p->codec.hevc;
> > +	unsigned int reg = 0;
> > +	int i;
> > +
> > +	mfc_debug_enter();
> > +
> > +	s5p_mfc_set_enc_params(ctx);
> > +
> > +	/* pictype : number of B */
> > +	reg = readl(mfc_regs->e_gop_config);
> > +	/* num_b_frame - 0 ~ 2 */
> > +	reg &= ~(0x3 << 16);
> > +	reg |= (p->num_b_frame << 16);
> > +	writel(reg, mfc_regs->e_gop_config);
> > +
> > +	/* UHD encoding case */
> > +	if ((ctx->img_width == 3840) && (ctx->img_height == 2160)) {
> > +		p_hevc->level = 51;
> > +		p_hevc->tier_flag = 0;
> > +	/* this tier_flag can be changed */
> > +	}
> > +
> > +	/* tier_flag & level */
> > +	reg = 0;
> > +	/* profile */
> > +	reg |= p_hevc->profile & 0x3;
> > +	/* level */
> > +	reg &= ~(0xFF << 8);
> > +	reg |= (p_hevc->level << 8);
> > +	/* tier_flag - 0 ~ 1 */
> > +	reg |= (p_hevc->tier_flag << 16);
> > +	writel(reg, mfc_regs->e_picture_profile);
> > +
> > +	/* max partition depth */
> > +	reg = 0;
> > +	reg |= (p_hevc->max_partition_depth & 0x1);
> > +	reg |= (p_hevc->num_refs_for_p-1) << 2;
> > +	reg |= (2 << 3); /* always set IDR encoding */
> > +	reg |= (p_hevc->const_intra_period_enable & 0x1) << 5;
> > +	reg |= (p_hevc->lossless_cu_enable & 0x1) << 6;
> > +	reg |= (p_hevc->wavefront_enable & 0x1) << 7;
> > +	reg |= (p_hevc->loopfilter_disable & 0x1) << 8;
> > +	reg |= (p_hevc->loopfilter_across & 0x1) << 9;
> > +	reg |= (p_hevc->enable_ltr & 0x1) << 10;
> > +	reg |= (p_hevc->hier_qp_enable & 0x1) << 11;
> > +	reg |= (p_hevc->sign_data_hiding & 0x1) << 12;
> > +	reg |= (p_hevc->general_pb_enable & 0x1) << 13;
> > +	reg |= (p_hevc->temporal_id_enable & 0x1) << 14;
> > +	reg |= (p_hevc->strong_intra_smooth & 0x1) << 15;
> > +	reg |= (p_hevc->intra_pu_split_disable & 0x1) << 16;
> > +	reg |= (p_hevc->tmv_prediction_disable & 0x1) << 17;
> > +	reg |= (p_hevc->max_num_merge_mv & 0x7) << 18;
> > +	reg |= (0 << 21); /* always eco mode disable */
> > +	reg |= (p_hevc->encoding_nostartcode_enable & 0x1) << 22;
> > +	reg |= (p_hevc->prepend_sps_pps_to_idr << 26);
> > +
> > +	writel(reg, mfc_regs->e_hevc_options);
> > +	/* refresh period */
> > +	if (p_hevc->refreshtype) {
> > +		reg = 0;
> > +		reg |= (p_hevc->refreshperiod & 0xFFFF);
> > +		writel(reg, mfc_regs->e_hevc_refresh_period);
> > +	}
> > +	/* loop filter setting */
> > +	if (!p_hevc->loopfilter_disable) {
> > +		reg = 0;
> > +		reg |= (p_hevc->lf_beta_offset_div2);
> > +		writel(reg, mfc_regs->e_hevc_lf_beta_offset_div2);
> > +		reg = 0;
> > +		reg |= (p_hevc->lf_tc_offset_div2);
> > +		writel(reg, mfc_regs->e_hevc_lf_tc_offset_div2);
> > +	}
> > +	/* hier qp enable */
> > +	if (p_hevc->num_hier_layer) {
> > +		reg = 0;
> > +		reg |= (p_hevc->hier_qp_type & 0x1) << 0x3;
> > +		reg |= p_hevc->num_hier_layer & 0x7;
> > +		if (p_hevc->hier_ref_type) {
> > +			reg |= 0x1 << 7;
> > +			reg |= 0x3 << 4;
> > +		} else {
> > +			reg |= 0x7 << 4;
> > +		}
> > +		writel(reg, mfc_regs->e_num_t_layer);
> > +		/* QP value for each layer */
> > +		if (p_hevc->hier_qp_enable) {
> > +			for (i = 0; i < 7; i++)
> > +				writel(p_hevc->hier_qp_layer[i],
> > +					mfc_regs->e_hier_qp_layer0 + i * 4);
> > +		}
> > +		if (p->rc_frame) {
> > +			for (i = 0; i < 7; i++)
> > +				writel(p_hevc->hier_bit_layer[i],
> > +						mfc_regs->e_hier_bit_rate_layer0
> > +						+ i * 4);
> > +		}
> > +	}
> > +
> > +	/* rate control config. */
> > +	reg = readl(mfc_regs->e_rc_config);
> > +	/* macroblock level rate control */
> > +	reg &= ~(0x1 << 8);
> > +	reg |= (p->rc_mb << 8);
> > +	writel(reg, mfc_regs->e_rc_config);
> > +	/* frame QP */
> > +	reg &= ~(0x3F);
> > +	reg |= p_hevc->rc_frame_qp;
> > +	writel(reg, mfc_regs->e_rc_config);
> > +
> > +	/* frame rate */
> > +	if (p->rc_frame) {
> > +		reg = 0;
> > +		reg &= ~(0xffff << 16);
> > +		reg |= ((p_hevc->rc_framerate * FRAME_DELTA_DEFAULT) << 16);
> > +		reg &= ~(0xffff);
> > +		reg |= FRAME_DELTA_DEFAULT;
> > +		writel(reg, mfc_regs->e_rc_frame_rate);
> > +	}
> > +
> > +	/* max & min value of QP */
> > +	reg = 0;
> > +	/* max QP */
> > +	reg &= ~(0x3F << 8);
> > +	reg |= (p_hevc->rc_max_qp << 8);
> > +	/* min QP */
> > +	reg &= ~(0x3F);
> > +	reg |= p_hevc->rc_min_qp;
> > +	writel(reg, mfc_regs->e_rc_qp_bound);
> > +
> > +	/* macroblock adaptive scaling features */
> > +	writel(0x0, mfc_regs->e_mb_rc_config);
> > +	if (p->rc_mb) {
> > +		reg = 0;
> > +		/* dark region */
> > +		reg &= ~(0x1 << 3);
> > +		reg |= (p_hevc->rc_lcu_dark << 3);
> > +		/* smooth region */
> > +		reg &= ~(0x1 << 2);
> > +		reg |= (p_hevc->rc_lcu_smooth << 2);
> > +		/* static region */
> > +		reg &= ~(0x1 << 1);
> > +		reg |= (p_hevc->rc_lcu_static << 1);
> > +		/* high activity region */
> > +		reg &= ~(0x1);
> > +		reg |= p_hevc->rc_lcu_activity;
> > +		writel(reg, mfc_regs->e_mb_rc_config);
> > +	}
> > +	writel(0x0, mfc_regs->e_fixed_picture_qp);
> > +	if (!p->rc_frame && !p->rc_mb) {
> > +		reg = 0;
> > +		reg &= ~(0x3f << 16);
> > +		reg |= (p_hevc->rc_b_frame_qp << 16);
> > +		reg &= ~(0x3f << 8);
> > +		reg |= (p_hevc->rc_p_frame_qp << 8);
> > +		reg &= ~(0x3f);
> > +		reg |= p_hevc->rc_frame_qp;
> > +		writel(reg, mfc_regs->e_fixed_picture_qp);
> > +	}
> > +	mfc_debug_leave();
> > +
> > +	return 0;
> > +}
> > +
> >  /* Initialize decoding */
> >  static int s5p_mfc_init_decode_v6(struct s5p_mfc_ctx *ctx)
> >  {
> > @@ -1548,6 +1730,8 @@ static int s5p_mfc_init_encode_v6(struct s5p_mfc_ctx *ctx)
> >  		s5p_mfc_set_enc_params_h263(ctx);
> >  	else if (ctx->codec_mode == S5P_MFC_CODEC_VP8_ENC)
> >  		s5p_mfc_set_enc_params_vp8(ctx);
> > +	else if (ctx->codec_mode == S5P_FIMV_CODEC_HEVC_ENC)
> > +		s5p_mfc_set_enc_params_hevc(ctx);
> >  	else {
> >  		mfc_err("Unknown codec for encoding (%x).\n",
> >  			ctx->codec_mode);
> > @@ -2301,6 +2485,16 @@ const struct s5p_mfc_regs *s5p_mfc_init_regs_v6_plus(struct s5p_mfc_dev *dev)
> >  	R(d_static_buffer_addr, S5P_FIMV_D_STATIC_BUFFER_ADDR_V10);
> >  	R(d_static_buffer_size, S5P_FIMV_D_STATIC_BUFFER_SIZE_V10);
> >  
> > +	/* encoder registers */
> > +	R(e_num_t_layer, S5P_FIMV_E_NUM_T_LAYER_V10);
> > +	R(e_hier_qp_layer0, S5P_FIMV_E_HIERARCHICAL_QP_LAYER0_V10);
> > +	R(e_hier_bit_rate_layer0, S5P_FIMV_E_HIERARCHICAL_BIT_RATE_LAYER0_V10);
> > +	R(e_hevc_options, S5P_FIMV_E_HEVC_OPTIONS_V10);
> > +	R(e_hevc_refresh_period, S5P_FIMV_E_HEVC_REFRESH_PERIOD_V10);
> > +	R(e_hevc_lf_beta_offset_div2, S5P_FIMV_E_HEVC_LF_BETA_OFFSET_DIV2_V10);
> > +	R(e_hevc_lf_tc_offset_div2, S5P_FIMV_E_HEVC_LF_TC_OFFSET_DIV2_V10);
> > +	R(e_hevc_nal_control, S5P_FIMV_E_HEVC_NAL_CONTROL_V10);
> > +
> >  done:
> >  	return &mfc_regs;
> >  #undef S5P_MFC_REG_ADDR
> > diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h
> > index 2290f7e..8a7d053 100644
> > --- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h
> > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h
> > @@ -46,6 +46,14 @@
> >  #define ENC_MPEG4_VOP_TIME_RES_MAX	((1 << 16) - 1)
> >  #define FRAME_DELTA_H264_H263		1
> >  #define TIGHT_CBR_MAX			10
> > +#define ENC_HEVC_RC_FRAME_RATE_MAX	((1 << 16) - 1)
> > +#define ENC_HEVC_QP_INDEX_MIN		-12
> > +#define ENC_HEVC_QP_INDEX_MAX		12
> > +#define ENC_HEVC_LOOP_FILTER_MIN	-12
> > +#define ENC_HEVC_LOOP_FILTER_MAX	12
> > +#define ENC_HEVC_LEVEL_MAX		62
> > +
> > +#define FRAME_DELTA_DEFAULT		1
> >  
> >  struct s5p_mfc_hw_ops *s5p_mfc_init_hw_ops_v6(void);
> >  const struct s5p_mfc_regs *s5p_mfc_init_regs_v6_plus(struct s5p_mfc_dev *dev);
> 
> 
>