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Message-id: <1489491682.27807.143.camel@smitha-fedora>
Date: Tue, 14 Mar 2017 17:11:22 +0530
From: Smitha T Murthy <smitha.t@...sung.com>
To: Andrzej Hajda <a.hajda@...sung.com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
linux-kernel@...r.kernel.org, kyungmin.park@...sung.com,
kamil@...as.org, jtp.park@...sung.com, mchehab@...nel.org,
pankaj.dubey@...sung.com, krzk@...nel.org,
m.szyprowski@...sung.com, s.nawrocki@...sung.com
Subject: Re: [Patch v2 10/11] s5p-mfc: Add support for HEVC encoder
On Tue, 2017-03-07 at 12:33 +0100, Andrzej Hajda wrote:
> On 03.03.2017 10:07, 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@...sung.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 | 55 ++-
> > 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 | 200 ++++++++
> > drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h | 8 +
> > 8 files changed, 896 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 846dcf5..caf02ff 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) /* 30KB */
> > #define MFC_H264_DEC_CTX_BUF_SIZE_V10 (2 * SZ_1M) /* 2MB */
> > #define MFC_OTHER_DEC_CTX_BUF_SIZE_V10 (20 * SZ_1K) /* 20KB */
> > #define MFC_H264_ENC_CTX_BUF_SIZE_V10 (100 * SZ_1K) /* 100KB */
> > -#define MFC_OTHER_ENC_CTX_BUF_SIZE_V10 (15 * SZ_1K) /* 15KB */
> > +#define MFC_HEVC_ENC_CTX_BUF_SIZE_V10 (30 * SZ_1K) /* 30KB */
> > +#define MFC_OTHER_ENC_CTX_BUF_SIZE_V10 (15 * SZ_1K) /* 15KB */
> >
> > /* MFCv10 variant defines */
> > #define MAX_FW_SIZE_V10 (SZ_1M) /* 1MB */
> > @@ -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 b014038..b01c556 100644
> > --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
> > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
> > @@ -1549,6 +1549,7 @@ static int s5p_mfc_resume(struct device *dev)
> > .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 e720ce6..c55fa6c 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 +442,56 @@ struct s5p_mfc_vp8_enc_params {
> > u8 profile;
> > };
> >
> > +struct s5p_mfc_hevc_enc_params {
> > + u8 level;
> > + u8 tier_flag;
> > + /* HEVC Only */
> > + 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 +529,7 @@ 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 6623f79..4a6fbee3 100644
> > --- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
> > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
> > @@ -104,6 +104,14 @@
> > .num_planes = 1,
> > .versions = MFC_V7_BIT | MFC_V8_BIT | MFC_V10_BIT,
> > },
> > + {
> > + .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)
> > @@ -698,6 +706,447 @@
> > .default_value = 0,
> > },
> > {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_QP,
> > + .type = V4L2_CTRL_TYPE_INTEGER,
> > + .name = "HEVC 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 region adaptive",
> > + .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 region adaptive",
> > + .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 region adaptive",
> > + .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 adaptive",
> > + .minimum = 0,
> > + .maximum = 1,
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_PROFILE,
> > + .type = V4L2_CTRL_TYPE_BOOLEAN,
> > + .name = "HEVC Profile",
> > + .minimum = 0,
> > + .maximum = 0,
> Why bool? There should be multiple profiles I suppose.
Yes it has support for 2 profiles: 0 Main Profile and 1 Main still
picture profile. I will change the type and correct the values.
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_LEVEL,
> > + .type = V4L2_CTRL_TYPE_INTEGER,
> > + .name = "HEVC level",
> > + .minimum = 10,
> > + .maximum = 62,
> > + .step = 1,
> > + .default_value = 10,
>
> I think it should be done rather as menu, as in case of mpeg_h264_level,
> mpeg_mpeg4_level, etc, also look at h264_profile and similar [1].
>
> [1]:
> http://lxr.free-electrons.com/source/drivers/media/v4l2-core/v4l2-ctrls.c#L323
>
Ok I will make the level CID as a menu.
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_TIER_FLAG,
> > + .type = V4L2_CTRL_TYPE_BOOLEAN,
> > + .name = "HEVC tier_flag default is Main",
> > + .minimum = 0,
> > + .maximum = 1,
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_RC_FRAME_RATE,
> > + .type = V4L2_CTRL_TYPE_INTEGER,
> > + .name = "HEVC Frame rate",
> > + .minimum = 1,
> > + .maximum = (1 << 16) - 1,
> Hmm, wikipedia says "The maximum frame rate supported by HEVC is 300
> frames per second (fps)", does the HW supports more, I suppose for
> non-runtime encoder it does not matter, anyway it looks odd :)
Basically RC Frame rate indicates the Frame Rate Resolution which
specifies the number of evenly spaced subintervals, called ticks, within
one modulo time. One modulo time represents the fixed interval of one
second. This is a 16bit unsigned integer and has a maximum value upto
0xffff.
> > + .step = 1,
> > + .default_value = 1,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_MAX_PARTITION_DEPTH,
> > + .type = V4L2_CTRL_TYPE_BOOLEAN,
> > + .name = "HEVC Maximum coding unit depth",
> > + .minimum = 0,
> > + .maximum = 1,
> > + .step = 1,
>
> Max depth should not be bool.
>
Yes I will correct it.
> > + .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_INTEGER,
> > + .name = "HEVC Number of reference picture",
>
> Incorrect name. ID suggest it should be menu and enums.
I will correct this CID.
>
> > + .minimum = 0,
> > + .maximum = 2,
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_CONST_INTRA_PRED_ENABLE,
> > + .type = V4L2_CTRL_TYPE_BOOLEAN,
> > + .name = "HEVC refresh type",
> > + .minimum = 0,
> > + .maximum = 1,
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_LOSSLESS_CU_ENABLE,
> > + .type = V4L2_CTRL_TYPE_BOOLEAN,
> > + .name = "HEVC lossless encoding select",
> > + .minimum = 0,
> > + .maximum = 1,
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_WAVEFRONT_ENABLE,
> > + .type = V4L2_CTRL_TYPE_BOOLEAN,
> > + .name = "HEVC Wavefront enable",
> > + .minimum = 0,
> > + .maximum = 1,
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_LF_DISABLE,
> > + .type = V4L2_CTRL_TYPE_BOOLEAN,
> > + .name = "HEVC Filter disable",
> > + .minimum = 0,
> > + .maximum = 1,
> > + .step = 1,
> > + .default_value = 0,
>
> Maybe instead of "disable" in name you should change default value to
> true and set name to just "HEVC Filter".
>
ok I will change as per your suggestion.
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_LF_SLICE_BOUNDARY,
> > + .type = V4L2_CTRL_TYPE_BOOLEAN,
> > + .name = "across or not slice boundary",
>
> Name not fixed.
>
I will change the name.
> > + .minimum = 0,
> > + .maximum = 1,
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_LTR_ENABLE,
> > + .type = V4L2_CTRL_TYPE_BOOLEAN,
> > + .name = "long term reference enable",
> > + .minimum = 0,
> > + .maximum = 1,
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_QP_ENABLE,
> > + .type = V4L2_CTRL_TYPE_BOOLEAN,
> > + .name = "QP values for temporal layer",
> > + .minimum = 0,
> > + .maximum = 1,
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_TYPE,
> > + .type = V4L2_CTRL_TYPE_BOOLEAN,
> > + .name = "Hierarchical Coding Type",
> > + .minimum = V4L2_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_B,
> > + .maximum = V4L2_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_P,
> For type, enums and menu should be rather used, not bool.
I will change the type for this.
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER,
> > + .type = V4L2_CTRL_TYPE_INTEGER,
> > + .name = "Hierarchical Coding Layer",
> > + .minimum = 0,
> > + .maximum = 7,
> Shouldn't it be 6?
Yes it should be 6.
> > + .step = 1,
> > + .default_value = 0,
>
> There are enums V4L2_MPEG_VIDEO_HEVC_HIERARCHIAL_CODING_LAYER[0-6]
> defined in other patches. You should decide what is better: either pure
> numbers 0-6, either enums and menu.
> I cannot help because I do not know what it is.
> Are you sure this control should be described as above? From what I have
> found from quick googling I would expect rather something as maximal
> number of layers in hierarchical coding.
> Could you explain in few words what these layers are?
>
I prefer using the pure numbers as in the MFC User Manual. These layers
are basically used for scalability. Layer 0 will be given the highest
priority and layer 6 the lowest priority. So having them in layers helps us
to encode selectively few layers without artifacts.Suppose we have a 30fps stream
and we can encode only at 15fps, so if we skip layer 6 we can achieve 15fps
meeting the conformance requirement. Even there is scalability with respect
to bit rate. Highest bit rate will be assigned to layer0, so quality will be
better for layer 0.
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_QP,
> > + .type = V4L2_CTRL_TYPE_INTEGER,
> > + .name = "Hierarchical Coding Layer QP",
> > + .minimum = INT_MIN,
> > + .maximum = INT_MAX,
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_BIT0,
> > + .type = V4L2_CTRL_TYPE_INTEGER,
> > + .name = "Hierarchical Coding Layer BIT0",
> > + .minimum = INT_MIN,
> > + .maximum = INT_MAX,
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_BIT1,
> > + .type = V4L2_CTRL_TYPE_INTEGER,
> > + .name = "Hierarchical Coding Layer BIT1",
> > + .minimum = INT_MIN,
> > + .maximum = INT_MAX,
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_BIT2,
> > + .type = V4L2_CTRL_TYPE_INTEGER,
> > + .name = "Hierarchical Coding Layer BIT2",
> > + .minimum = INT_MIN,
> > + .maximum = INT_MAX,
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_BIT3,
> > + .type = V4L2_CTRL_TYPE_INTEGER,
> > + .name = "Hierarchical Coding Layer BIT3",
> > + .minimum = INT_MIN,
> > + .maximum = INT_MAX,
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_BIT4,
> > + .type = V4L2_CTRL_TYPE_INTEGER,
> > + .name = "Hierarchical Coding Layer BIT4",
> > + .minimum = INT_MIN,
> > + .maximum = INT_MAX,
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_BIT5,
> > + .type = V4L2_CTRL_TYPE_INTEGER,
> > + .name = "Hierarchical Coding Layer BIT5",
> > + .minimum = INT_MIN,
> > + .maximum = INT_MAX,
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_BIT6,
> > + .type = V4L2_CTRL_TYPE_INTEGER,
> > + .name = "Hierarchical Coding Layer BIT6",
> > + .minimum = INT_MIN,
> > + .maximum = INT_MAX,
> > + .step = 1,
> > + .default_value = 0,
>
> What BIT stands for?
> I see BIT0 to BIT6, is it somehow connected with value of
> V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER ?
It is used to control the bit rate for the corresponding coding layer.
I will change the name to a meaningful one in the next patch version
>
> > + },
> > + {
> > + .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_ENABLE,
> > + .type = V4L2_CTRL_TYPE_BOOLEAN,
> > + .name = "HEVC General pb enable",
> > + .minimum = 0,
> > + .maximum = 1,
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_TEMPORAL_ID_ENABLE,
> > + .type = V4L2_CTRL_TYPE_BOOLEAN,
> > + .name = "HEVC Temporal id enable",
> > + .minimum = 0,
> > + .maximum = 1,
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_STRONG_SMOTHING_FLAG,
> > + .type = V4L2_CTRL_TYPE_BOOLEAN,
> > + .name = "HEVC Strong intra smoothing flag",
> flag word can be removed, as well as "... enable" in other bool controls.
I will correct it.
> > + .minimum = 0,
> > + .maximum = 1,
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_DISABLE_INTRA_PU_SPLIT,
> > + .type = V4L2_CTRL_TYPE_BOOLEAN,
> > + .name = "HEVC disable intra pu split",
> > + .minimum = 0,
> > + .maximum = 1,
> > + .step = 1,
> > + .default_value = 0,
>
> Again you can reverse the flag and set default value to 1, here and below.
Ok I will correct it.
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_DISABLE_TMV_PREDICTION,
> > + .type = V4L2_CTRL_TYPE_BOOLEAN,
> > + .name = "HEVC disable 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_ENABLE,
> > + .type = V4L2_CTRL_TYPE_BOOLEAN,
> > + .name = "ENC without startcode enable",
> > + .minimum = 0,
> > + .maximum = 1,
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_REFRESH_PERIOD,
> > + .type = V4L2_CTRL_TYPE_INTEGER,
> > + .name = "HEVC Number of reference picture",
> Id and type does not match. I suppose it is intentionally (after looking
> at documentation from next patch), but it is still unclear. As I
> understand it is a number of I-frames between two consecutive
> IDR-frames, am I right? Maybe "HEVC IDR/I frame rate", I hope you will
> find better name :)
Yes refresh period specifies number of I frames between 2 IDR frames.
I will change the name to a more meaningful one.
> > + .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_INTEGER,
> > + .name = "HEVC size of length field",
> > + .minimum = 0,
> > + .maximum = 3,
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_USE_REF,
> > + .type = V4L2_CTRL_TYPE_INTEGER,
> > + .name = "user long term reference frame",
>
> s/user/use/
I will change it.
>
> > + .minimum = 0,
> > + .maximum = 1,
>
> Documentation says about values 0, 1, 2, 3.
Yes I will correct it to 3.
>
> > + .step = 1,
> > + .default_value = 0,
> > + },
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_STORE_REF,
> > + .type = V4L2_CTRL_TYPE_INTEGER,
> > + .name = "store long term reference frame",
> > + .minimum = 0,
> > + .maximum = 2,
> > + .step = 1,
> > + .default_value = 0,
> > + },
>
> Two above controls are set per-frame/buffer. V4L2 currently does not
> support controls per frame, so I suppose you should drop them.
Ok I will remove them from the list.
>
> > + {
> > + .id = V4L2_CID_MPEG_VIDEO_HEVC_PREPEND_SPSPPS_TO_IDR,
> > + .type = V4L2_CTRL_TYPE_INTEGER,
> > + .name = "Prepend SPS/PPS to every 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",
> > @@ -1640,6 +2089,152 @@ 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_RC_FRAME_RATE:
> > + 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 = ctrl->val;
> > + break;
> > + case V4L2_CID_MPEG_VIDEO_HEVC_PROFILE:
> > + break;
>
> Whats wrong with profile? Why it is not interpreted?
>
> The rest looks OK.
Sorry I missed it. I will correct the same.
>
> Regards
> Andrzej
>
Thank you for the review.
Regards,
Smitha T Murthy
> > + 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_ENABLE:
> > + p->codec.hevc.const_intra_period_enable = ctrl->val;
> > + break;
> > + case V4L2_CID_MPEG_VIDEO_HEVC_LOSSLESS_CU_ENABLE:
> > + p->codec.hevc.lossless_cu_enable = ctrl->val;
> > + break;
> > + case V4L2_CID_MPEG_VIDEO_HEVC_WAVEFRONT_ENABLE:
> > + p->codec.hevc.wavefront_enable = ctrl->val;
> > + break;
> > + case V4L2_CID_MPEG_VIDEO_HEVC_LF_DISABLE:
> > + 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_LTR_ENABLE:
> > + p->codec.hevc.enable_ltr = ctrl->val;
> > + break;
> > + case V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_QP_ENABLE:
> > + 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);
> > + break;
> > + case V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER:
> > + p->codec.hevc.num_hier_layer = ctrl->val & 0x7;
> > + p->codec.hevc.hier_ref_type = (ctrl->val >> 16) & 0x1;
> > + 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_HIERARCHICAL_CODING_LAYER_BIT0:
> > + p->codec.hevc.hier_bit_layer[0] = ctrl->val;
> > + break;
> > + case V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_BIT1:
> > + p->codec.hevc.hier_bit_layer[1] = ctrl->val;
> > + break;
> > + case V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_BIT2:
> > + p->codec.hevc.hier_bit_layer[2] = ctrl->val;
> > + break;
> > + case V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_BIT3:
> > + p->codec.hevc.hier_bit_layer[3] = ctrl->val;
> > + break;
> > + case V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_BIT4:
> > + p->codec.hevc.hier_bit_layer[4] = ctrl->val;
> > + break;
> > + case V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_BIT5:
> > + p->codec.hevc.hier_bit_layer[5] = ctrl->val;
> > + break;
> > + case V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_BIT6:
> > + 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_ENABLE:
> > + p->codec.hevc.general_pb_enable = ctrl->val;
> > + break;
> > + case V4L2_CID_MPEG_VIDEO_HEVC_TEMPORAL_ID_ENABLE:
> > + p->codec.hevc.temporal_id_enable = ctrl->val;
> > + break;
> > + case V4L2_CID_MPEG_VIDEO_HEVC_STRONG_SMOTHING_FLAG:
> > + p->codec.hevc.strong_intra_smooth = ctrl->val;
> > + break;
> > + case V4L2_CID_MPEG_VIDEO_HEVC_DISABLE_INTRA_PU_SPLIT:
> > + p->codec.hevc.intra_pu_split_disable = ctrl->val;
> > + break;
> > + case V4L2_CID_MPEG_VIDEO_HEVC_DISABLE_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_ENABLE:
> > + 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_USE_REF:
> > + p->codec.hevc.use_ref = ctrl->val;
> > + break;
> > + case V4L2_CID_MPEG_VIDEO_HEVC_STORE_REF:
> > + p->codec.hevc.store_ref = 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 7dcc671..7aa7e41 100644
> > --- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
> > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
> > @@ -301,6 +301,17 @@ 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;
> > }
> > @@ -351,6 +362,9 @@ 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:
> > @@ -1433,6 +1447,180 @@ 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;
> > + /* 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);
> > + }
> > + /* long term reference */
> > + if (p_hevc->enable_ltr) {
> > + reg = 0;
> > + reg |= (p_hevc->store_ref & 0x3);
> > + reg &= ~(0x3 << 2);
> > + reg |= (p_hevc->use_ref & 0x3) << 2;
> > + writel(reg, mfc_regs->e_hevc_nal_control);
> > + }
> > + /* 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)
> > {
> > @@ -1552,6 +1740,8 @@ 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);
> > @@ -2305,6 +2495,16 @@ static unsigned int s5p_mfc_get_crop_info_v_v6(struct s5p_mfc_ctx *ctx)
> > 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);
>
>
>
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