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    Subject[PATCH v10, 16/17] media: mediatek: vcodec: support stateless VP9 decoding
    Date
    Add support for VP9 decoding using the stateless API,
    as supported by MT8192. And the drivers is lat and core architecture.

    Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
    Signed-off-by: George Sun <george.sun@mediatek.com>
    Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
    ---
    .../media/platform/mediatek/vcodec/Makefile | 1 +
    .../vcodec/mtk_vcodec_dec_stateless.c | 26 +-
    .../platform/mediatek/vcodec/mtk_vcodec_drv.h | 1 +
    .../vcodec/vdec/vdec_vp9_req_lat_if.c | 2031 +++++++++++++++++
    .../platform/mediatek/vcodec/vdec_drv_if.c | 4 +
    .../platform/mediatek/vcodec/vdec_drv_if.h | 1 +
    6 files changed, 2061 insertions(+), 3 deletions(-)
    create mode 100644 drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c

    diff --git a/drivers/media/platform/mediatek/vcodec/Makefile b/drivers/media/platform/mediatek/vcodec/Makefile
    index b457daf2d196..93e7a343b5b0 100644
    --- a/drivers/media/platform/mediatek/vcodec/Makefile
    +++ b/drivers/media/platform/mediatek/vcodec/Makefile
    @@ -9,6 +9,7 @@ mtk-vcodec-dec-y := vdec/vdec_h264_if.o \
    vdec/vdec_vp8_if.o \
    vdec/vdec_vp8_req_if.o \
    vdec/vdec_vp9_if.o \
    + vdec/vdec_vp9_req_lat_if.o \
    vdec/vdec_h264_req_if.o \
    vdec/vdec_h264_req_common.o \
    vdec/vdec_h264_req_multi_if.o \
    diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_stateless.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_stateless.c
    index 8517ed4efeb5..f1a77f0a8a81 100644
    --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_stateless.c
    +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_stateless.c
    @@ -91,13 +91,28 @@ static const struct mtk_stateless_control mtk_stateless_controls[] = {
    .max = V4L2_MPEG_VIDEO_VP8_PROFILE_3,
    },
    .codec_type = V4L2_PIX_FMT_VP8_FRAME,
    - }
    + },
    + {
    + .cfg = {
    + .id = V4L2_CID_STATELESS_VP9_FRAME,
    + },
    + .codec_type = V4L2_PIX_FMT_VP9_FRAME,
    + },
    + {
    + .cfg = {
    + .id = V4L2_CID_MPEG_VIDEO_VP9_PROFILE,
    + .min = V4L2_MPEG_VIDEO_VP9_PROFILE_0,
    + .def = V4L2_MPEG_VIDEO_VP9_PROFILE_0,
    + .max = V4L2_MPEG_VIDEO_VP9_PROFILE_3,
    + },
    + .codec_type = V4L2_PIX_FMT_VP9_FRAME,
    + },
    };

    #define NUM_CTRLS ARRAY_SIZE(mtk_stateless_controls)

    -static struct mtk_video_fmt mtk_video_formats[4];
    -static struct mtk_codec_framesizes mtk_vdec_framesizes[2];
    +static struct mtk_video_fmt mtk_video_formats[5];
    +static struct mtk_codec_framesizes mtk_vdec_framesizes[3];

    static struct mtk_video_fmt default_out_format;
    static struct mtk_video_fmt default_cap_format;
    @@ -338,6 +353,7 @@ static void mtk_vcodec_add_formats(unsigned int fourcc,
    switch (fourcc) {
    case V4L2_PIX_FMT_H264_SLICE:
    case V4L2_PIX_FMT_VP8_FRAME:
    + case V4L2_PIX_FMT_VP9_FRAME:
    mtk_video_formats[count_formats].fourcc = fourcc;
    mtk_video_formats[count_formats].type = MTK_FMT_DEC;
    mtk_video_formats[count_formats].num_planes = 1;
    @@ -385,6 +401,10 @@ static void mtk_vcodec_get_supported_formats(struct mtk_vcodec_ctx *ctx)
    mtk_vcodec_add_formats(V4L2_PIX_FMT_VP8_FRAME, ctx);
    out_format_count++;
    }
    + if (ctx->dev->dec_capability & MTK_VDEC_FORMAT_VP9_FRAME) {
    + mtk_vcodec_add_formats(V4L2_PIX_FMT_VP9_FRAME, ctx);
    + out_format_count++;
    + }

    if (cap_format_count)
    default_cap_format = mtk_video_formats[cap_format_count - 1];
    diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_drv.h
    index 2ba1c19f07b6..a29041a0b7e0 100644
    --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_drv.h
    +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_drv.h
    @@ -355,6 +355,7 @@ enum mtk_vdec_format_types {
    MTK_VDEC_FORMAT_MT21C = 0x40,
    MTK_VDEC_FORMAT_H264_SLICE = 0x100,
    MTK_VDEC_FORMAT_VP8_FRAME = 0x200,
    + MTK_VDEC_FORMAT_VP9_FRAME = 0x400,
    };

    /**
    diff --git a/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c b/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
    new file mode 100644
    index 000000000000..4b20d6e09809
    --- /dev/null
    +++ b/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_req_lat_if.c
    @@ -0,0 +1,2031 @@
    +// SPDX-License-Identifier: GPL-2.0
    +/*
    + * Copyright (c) 2021 MediaTek Inc.
    + * Author: George Sun <george.sun@mediatek.com>
    + */
    +
    +#include <linux/module.h>
    +#include <linux/slab.h>
    +#include <media/videobuf2-dma-contig.h>
    +#include <media/v4l2-vp9.h>
    +
    +#include "../mtk_vcodec_util.h"
    +#include "../mtk_vcodec_dec.h"
    +#include "../mtk_vcodec_intr.h"
    +#include "../vdec_drv_base.h"
    +#include "../vdec_drv_if.h"
    +#include "../vdec_vpu_if.h"
    +
    +/* reset_frame_context defined in VP9 spec */
    +#define VP9_RESET_FRAME_CONTEXT_NONE0 0
    +#define VP9_RESET_FRAME_CONTEXT_NONE1 1
    +#define VP9_RESET_FRAME_CONTEXT_SPEC 2
    +#define VP9_RESET_FRAME_CONTEXT_ALL 3
    +
    +#define VP9_TILE_BUF_SIZE 4096
    +#define VP9_PROB_BUF_SIZE 2560
    +#define VP9_COUNTS_BUF_SIZE 16384
    +
    +#define HDR_FLAG(x) (!!((hdr)->flags & V4L2_VP9_FRAME_FLAG_##x))
    +#define LF_FLAG(x) (!!((lf)->flags & V4L2_VP9_LOOP_FILTER_FLAG_##x))
    +#define SEG_FLAG(x) (!!((seg)->flags & V4L2_VP9_SEGMENTATION_FLAG_##x))
    +#define VP9_BAND_6(band) ((band) == 0 ? 3 : 6)
    +
    +/*
    + * struct vdec_vp9_slice_frame_ctx - vp9 prob tables footprint
    + */
    +struct vdec_vp9_slice_frame_ctx {
    + struct {
    + u8 probs[6][3];
    + u8 padding[2];
    + } coef_probs[4][2][2][6];
    +
    + u8 y_mode_prob[4][16];
    + u8 switch_interp_prob[4][16];
    + u8 seg[32]; /* ignore */
    + u8 comp_inter_prob[16];
    + u8 comp_ref_prob[16];
    + u8 single_ref_prob[5][2];
    + u8 single_ref_prob_padding[6];
    +
    + u8 joint[3];
    + u8 joint_padding[13];
    + struct {
    + u8 sign;
    + u8 classes[10];
    + u8 padding[5];
    + } sign_classes[2];
    + struct {
    + u8 class0[1];
    + u8 bits[10];
    + u8 padding[5];
    + } class0_bits[2];
    + struct {
    + u8 class0_fp[2][3];
    + u8 fp[3];
    + u8 class0_hp;
    + u8 hp;
    + u8 padding[5];
    + } class0_fp_hp[2];
    +
    + u8 uv_mode_prob[10][16];
    + u8 uv_mode_prob_padding[2][16];
    +
    + u8 partition_prob[16][4];
    +
    + u8 inter_mode_probs[7][4];
    + u8 skip_probs[4];
    +
    + u8 tx_p8x8[2][4];
    + u8 tx_p16x16[2][4];
    + u8 tx_p32x32[2][4];
    + u8 intra_inter_prob[8];
    +};
    +
    +/*
    + * struct vdec_vp9_slice_frame_counts - vp9 counts tables footprint
    + */
    +struct vdec_vp9_slice_frame_counts {
    + union {
    + struct {
    + u32 band_0[3];
    + u32 padding0[1];
    + u32 band_1_5[5][6];
    + u32 padding1[2];
    + } eob_branch[4][2][2];
    + u32 eob_branch_space[256 * 4];
    + };
    +
    + struct {
    + u32 band_0[3][4];
    + u32 band_1_5[5][6][4];
    + } coef_probs[4][2][2];
    +
    + u32 intra_inter[4][2];
    + u32 comp_inter[5][2];
    + u32 comp_inter_padding[2];
    + u32 comp_ref[5][2];
    + u32 comp_ref_padding[2];
    + u32 single_ref[5][2][2];
    + u32 inter_mode[7][4];
    + u32 y_mode[4][12];
    + u32 uv_mode[10][10];
    + u32 partition[16][4];
    + u32 switchable_interp[4][4];
    +
    + u32 tx_p8x8[2][2];
    + u32 tx_p16x16[2][4];
    + u32 tx_p32x32[2][4];
    +
    + u32 skip[3][4];
    +
    + u32 joint[4];
    +
    + struct {
    + u32 sign[2];
    + u32 class0[2];
    + u32 classes[12];
    + u32 bits[10][2];
    + u32 padding[4];
    + u32 class0_fp[2][4];
    + u32 fp[4];
    + u32 class0_hp[2];
    + u32 hp[2];
    + } mvcomp[2];
    +
    + u32 reserved[126][4];
    +};
    +
    +/**
    + * struct vdec_vp9_slice_counts_map - vp9 counts tables to map
    + * v4l2_vp9_frame_symbol_counts
    + * @skip: skip counts.
    + * @y_mode: Y prediction mode counts.
    + * @filter: interpolation filter counts.
    + * @mv_joint: motion vector joint counts.
    + * @sign: motion vector sign counts.
    + * @classes: motion vector class counts.
    + * @class0: motion vector class0 bit counts.
    + * @bits: motion vector bits counts.
    + * @class0_fp: motion vector class0 fractional bit counts.
    + * @fp: motion vector fractional bit counts.
    + * @class0_hp: motion vector class0 high precision fractional bit counts.
    + * @hp: motion vector high precision fractional bit counts.
    + */
    +struct vdec_vp9_slice_counts_map {
    + u32 skip[3][2];
    + u32 y_mode[4][10];
    + u32 filter[4][3];
    + u32 sign[2][2];
    + u32 classes[2][11];
    + u32 class0[2][2];
    + u32 bits[2][10][2];
    + u32 class0_fp[2][2][4];
    + u32 fp[2][4];
    + u32 class0_hp[2][2];
    + u32 hp[2][2];
    +};
    +
    +/*
    + * struct vdec_vp9_slice_uncompressed_header - vp9 uncompressed header syntax
    + * used for decoding
    + */
    +struct vdec_vp9_slice_uncompressed_header {
    + u8 profile;
    + u8 last_frame_type;
    + u8 frame_type;
    +
    + u8 last_show_frame;
    + u8 show_frame;
    + u8 error_resilient_mode;
    +
    + u8 bit_depth;
    + u8 padding0[1];
    + u16 last_frame_width;
    + u16 last_frame_height;
    + u16 frame_width;
    + u16 frame_height;
    +
    + u8 intra_only;
    + u8 reset_frame_context;
    + u8 ref_frame_sign_bias[4];
    + u8 allow_high_precision_mv;
    + u8 interpolation_filter;
    +
    + u8 refresh_frame_context;
    + u8 frame_parallel_decoding_mode;
    + u8 frame_context_idx;
    +
    + /* loop_filter_params */
    + u8 loop_filter_level;
    + u8 loop_filter_sharpness;
    + u8 loop_filter_delta_enabled;
    + s8 loop_filter_ref_deltas[4];
    + s8 loop_filter_mode_deltas[2];
    +
    + /* quantization_params */
    + u8 base_q_idx;
    + s8 delta_q_y_dc;
    + s8 delta_q_uv_dc;
    + s8 delta_q_uv_ac;
    +
    + /* segmentation_params */
    + u8 segmentation_enabled;
    + u8 segmentation_update_map;
    + u8 segmentation_tree_probs[7];
    + u8 padding1[1];
    + u8 segmentation_temporal_udpate;
    + u8 segmentation_pred_prob[3];
    + u8 segmentation_update_data;
    + u8 segmentation_abs_or_delta_update;
    + u8 feature_enabled[8];
    + s16 feature_value[8][4];
    +
    + /* tile_info */
    + u8 tile_cols_log2;
    + u8 tile_rows_log2;
    + u8 padding2[2];
    +
    + u16 uncompressed_header_size;
    + u16 header_size_in_bytes;
    +
    + /* LAT OUT, CORE IN */
    + u32 dequant[8][4];
    +};
    +
    +/*
    + * struct vdec_vp9_slice_compressed_header - vp9 compressed header syntax
    + * used for decoding.
    + */
    +struct vdec_vp9_slice_compressed_header {
    + u8 tx_mode;
    + u8 ref_mode;
    + u8 comp_fixed_ref;
    + u8 comp_var_ref[2];
    + u8 padding[3];
    +};
    +
    +/*
    + * struct vdec_vp9_slice_tiles - vp9 tile syntax
    + */
    +struct vdec_vp9_slice_tiles {
    + u32 size[4][64];
    + u32 mi_rows[4];
    + u32 mi_cols[64];
    + u8 actual_rows;
    + u8 padding[7];
    +};
    +
    +/*
    + * struct vdec_vp9_slice_reference - vp9 reference frame information
    + */
    +struct vdec_vp9_slice_reference {
    + u16 frame_width;
    + u16 frame_height;
    + u8 bit_depth;
    + u8 subsampling_x;
    + u8 subsampling_y;
    + u8 padding;
    +};
    +
    +/*
    + * struct vdec_vp9_slice_frame - vp9 syntax used for decoding
    + */
    +struct vdec_vp9_slice_frame {
    + struct vdec_vp9_slice_uncompressed_header uh;
    + struct vdec_vp9_slice_compressed_header ch;
    + struct vdec_vp9_slice_tiles tiles;
    + struct vdec_vp9_slice_reference ref[3];
    +};
    +
    +/*
    + * struct vdec_vp9_slice_init_vsi - VSI used to initialize instance
    + */
    +struct vdec_vp9_slice_init_vsi {
    + unsigned int architecture;
    + unsigned int reserved;
    + u64 core_vsi;
    + /* default frame context's position in MicroP */
    + u64 default_frame_ctx;
    +};
    +
    +/*
    + * struct vdec_vp9_slice_mem - memory address and size
    + */
    +struct vdec_vp9_slice_mem {
    + union {
    + u64 buf;
    + dma_addr_t dma_addr;
    + };
    + union {
    + size_t size;
    + dma_addr_t dma_addr_end;
    + u64 padding;
    + };
    +};
    +
    +/*
    + * struct vdec_vp9_slice_bs - input buffer for decoding
    + */
    +struct vdec_vp9_slice_bs {
    + struct vdec_vp9_slice_mem buf;
    + struct vdec_vp9_slice_mem frame;
    +};
    +
    +/*
    + * struct vdec_vp9_slice_fb - frame buffer for decoding
    + */
    +struct vdec_vp9_slice_fb {
    + struct vdec_vp9_slice_mem y;
    + struct vdec_vp9_slice_mem c;
    +};
    +
    +/*
    + * struct vdec_vp9_slice_state - decoding state
    + */
    +struct vdec_vp9_slice_state {
    + int err;
    + unsigned int full;
    + unsigned int timeout;
    + unsigned int perf;
    +
    + unsigned int crc[12];
    +};
    +
    +/**
    + * struct vdec_vp9_slice_vsi - exchange decoding information
    + * between Main CPU and MicroP
    + *
    + * @bs: input buffer
    + * @fb: output buffer
    + * @ref: 3 reference buffers
    + * @mv: mv working buffer
    + * @seg: segmentation working buffer
    + * @tile: tile buffer
    + * @prob: prob table buffer, used to set/update prob table
    + * @counts: counts table buffer, used to update prob table
    + * @ube: general buffer
    + * @trans: trans buffer position in general buffer
    + * @err_map: error buffer
    + * @row_info: row info buffer
    + * @frame: decoding syntax
    + * @state: decoding state
    + */
    +struct vdec_vp9_slice_vsi {
    + /* used in LAT stage */
    + struct vdec_vp9_slice_bs bs;
    + /* used in Core stage */
    + struct vdec_vp9_slice_fb fb;
    + struct vdec_vp9_slice_fb ref[3];
    +
    + struct vdec_vp9_slice_mem mv[2];
    + struct vdec_vp9_slice_mem seg[2];
    + struct vdec_vp9_slice_mem tile;
    + struct vdec_vp9_slice_mem prob;
    + struct vdec_vp9_slice_mem counts;
    +
    + /* LAT stage's output, Core stage's input */
    + struct vdec_vp9_slice_mem ube;
    + struct vdec_vp9_slice_mem trans;
    + struct vdec_vp9_slice_mem err_map;
    + struct vdec_vp9_slice_mem row_info;
    +
    + /* decoding parameters */
    + struct vdec_vp9_slice_frame frame;
    +
    + struct vdec_vp9_slice_state state;
    +};
    +
    +/**
    + * struct vdec_vp9_slice_pfc - per-frame context that contains a local vsi.
    + * pass it from lat to core
    + *
    + * @vsi: local vsi. copy to/from remote vsi before/after decoding
    + * @ref_idx: reference buffer index
    + * @seq: picture sequence
    + * @state: decoding state
    + */
    +struct vdec_vp9_slice_pfc {
    + struct vdec_vp9_slice_vsi vsi;
    +
    + u64 ref_idx[3];
    +
    + int seq;
    +
    + /* LAT/Core CRC */
    + struct vdec_vp9_slice_state state[2];
    +};
    +
    +/*
    + * enum vdec_vp9_slice_resolution_level
    + */
    +enum vdec_vp9_slice_resolution_level {
    + VP9_RES_NONE,
    + VP9_RES_FHD,
    + VP9_RES_4K,
    + VP9_RES_8K,
    +};
    +
    +/*
    + * struct vdec_vp9_slice_ref - picture's width & height should kept
    + * for later decoding as reference picture
    + */
    +struct vdec_vp9_slice_ref {
    + unsigned int width;
    + unsigned int height;
    +};
    +
    +/**
    + * struct vdec_vp9_slice_instance - represent one vp9 instance
    + *
    + * @ctx: pointer to codec's context
    + * @vpu: VPU instance
    + * @seq: global picture sequence
    + * @level: level of current resolution
    + * @width: width of last picture
    + * @height: height of last picture
    + * @frame_type: frame_type of last picture
    + * @irq: irq to Main CPU or MicroP
    + * @show_frame: show_frame of last picture
    + * @dpb: picture information (width/height) for reference
    + * @mv: mv working buffer
    + * @seg: segmentation working buffer
    + * @tile: tile buffer
    + * @prob: prob table buffer, used to set/update prob table
    + * @counts: counts table buffer, used to update prob table
    + * @frame_ctx: 4 frame context according to VP9 Spec
    + * @frame_ctx_helper: 4 frame context according to newest kernel spec
    + * @dirty: state of each frame context
    + * @init_vsi: vsi used for initialized VP9 instance
    + * @vsi: vsi used for decoding/flush ...
    + * @core_vsi: vsi used for Core stage
    + * @counts_map: used map to counts_helper
    + * @counts_helper: counts table according to newest kernel spec
    + */
    +struct vdec_vp9_slice_instance {
    + struct mtk_vcodec_ctx *ctx;
    + struct vdec_vpu_inst vpu;
    +
    + int seq;
    +
    + enum vdec_vp9_slice_resolution_level level;
    +
    + /* for resolution change and get_pic_info */
    + unsigned int width;
    + unsigned int height;
    +
    + /* for last_frame_type */
    + unsigned int frame_type;
    + unsigned int irq;
    +
    + unsigned int show_frame;
    +
    + /* maintain vp9 reference frame state */
    + struct vdec_vp9_slice_ref dpb[VB2_MAX_FRAME];
    +
    + /*
    + * normal working buffers
    + * mv[0]/seg[0]/tile/prob/counts is used for LAT
    + * mv[1]/seg[1] is used for CORE
    + */
    + struct mtk_vcodec_mem mv[2];
    + struct mtk_vcodec_mem seg[2];
    + struct mtk_vcodec_mem tile;
    + struct mtk_vcodec_mem prob;
    + struct mtk_vcodec_mem counts;
    +
    + /* 4 prob tables */
    + struct vdec_vp9_slice_frame_ctx frame_ctx[4];
    + /*4 helper tables */
    + struct v4l2_vp9_frame_context frame_ctx_helper;
    + unsigned char dirty[4];
    +
    + /* MicroP vsi */
    + union {
    + struct vdec_vp9_slice_init_vsi *init_vsi;
    + struct vdec_vp9_slice_vsi *vsi;
    + };
    + struct vdec_vp9_slice_vsi *core_vsi;
    +
    + struct vdec_vp9_slice_counts_map counts_map;
    + struct v4l2_vp9_frame_symbol_counts counts_helper;
    +};
    +
    +/*
    + * all VP9 instances could share this default frame context.
    + */
    +static struct vdec_vp9_slice_frame_ctx *vdec_vp9_slice_default_frame_ctx;
    +static DEFINE_MUTEX(vdec_vp9_slice_frame_ctx_lock);
    +
    +static int vdec_vp9_slice_core_decode(struct vdec_lat_buf *lat_buf);
    +
    +static int vdec_vp9_slice_init_default_frame_ctx(struct vdec_vp9_slice_instance *instance)
    +{
    + struct vdec_vp9_slice_frame_ctx *remote_frame_ctx;
    + struct vdec_vp9_slice_frame_ctx *frame_ctx;
    + struct mtk_vcodec_ctx *ctx;
    + struct vdec_vp9_slice_init_vsi *vsi;
    + int ret = 0;
    +
    + ctx = instance->ctx;
    + vsi = instance->vpu.vsi;
    + if (!ctx || !vsi)
    + return -EINVAL;
    +
    + remote_frame_ctx = mtk_vcodec_fw_map_dm_addr(ctx->dev->fw_handler,
    + (u32)vsi->default_frame_ctx);
    + if (!remote_frame_ctx) {
    + mtk_vcodec_err(instance, "failed to map default frame ctx\n");
    + return -EINVAL;
    + }
    +
    + mutex_lock(&vdec_vp9_slice_frame_ctx_lock);
    + if (vdec_vp9_slice_default_frame_ctx)
    + goto out;
    +
    + frame_ctx = kmalloc(sizeof(*frame_ctx), GFP_KERNEL);
    + if (!frame_ctx) {
    + ret = -ENOMEM;
    + goto out;
    + }
    +
    + memcpy_fromio(frame_ctx, remote_frame_ctx, sizeof(*frame_ctx));
    + vdec_vp9_slice_default_frame_ctx = frame_ctx;
    +
    +out:
    + mutex_unlock(&vdec_vp9_slice_frame_ctx_lock);
    +
    + return ret;
    +}
    +
    +static int vdec_vp9_slice_alloc_working_buffer(struct vdec_vp9_slice_instance *instance,
    + struct vdec_vp9_slice_vsi *vsi)
    +{
    + struct mtk_vcodec_ctx *ctx = instance->ctx;
    + enum vdec_vp9_slice_resolution_level level;
    + /* super blocks */
    + unsigned int max_sb_w;
    + unsigned int max_sb_h;
    + unsigned int max_w;
    + unsigned int max_h;
    + unsigned int w;
    + unsigned int h;
    + size_t size;
    + int ret;
    + int i;
    +
    + w = vsi->frame.uh.frame_width;
    + h = vsi->frame.uh.frame_height;
    +
    + if (w > VCODEC_DEC_4K_CODED_WIDTH ||
    + h > VCODEC_DEC_4K_CODED_HEIGHT) {
    + return -EINVAL;
    + } else if (w > MTK_VDEC_MAX_W || h > MTK_VDEC_MAX_H) {
    + /* 4K */
    + level = VP9_RES_4K;
    + max_w = VCODEC_DEC_4K_CODED_WIDTH;
    + max_h = VCODEC_DEC_4K_CODED_HEIGHT;
    + } else {
    + /* FHD */
    + level = VP9_RES_FHD;
    + max_w = MTK_VDEC_MAX_W;
    + max_h = MTK_VDEC_MAX_H;
    + }
    +
    + if (level == instance->level)
    + return 0;
    +
    + mtk_vcodec_debug(instance, "resolution level changed, from %u to %u, %ux%u",
    + instance->level, level, w, h);
    +
    + max_sb_w = DIV_ROUND_UP(max_w, 64);
    + max_sb_h = DIV_ROUND_UP(max_h, 64);
    + ret = -ENOMEM;
    +
    + /*
    + * Lat-flush must wait core idle, otherwise core will
    + * use released buffers
    + */
    +
    + size = (max_sb_w * max_sb_h + 2) * 576;
    + for (i = 0; i < 2; i++) {
    + if (instance->mv[i].va)
    + mtk_vcodec_mem_free(ctx, &instance->mv[i]);
    + instance->mv[i].size = size;
    + if (mtk_vcodec_mem_alloc(ctx, &instance->mv[i]))
    + goto err;
    + }
    +
    + size = (max_sb_w * max_sb_h * 32) + 256;
    + for (i = 0; i < 2; i++) {
    + if (instance->seg[i].va)
    + mtk_vcodec_mem_free(ctx, &instance->seg[i]);
    + instance->seg[i].size = size;
    + if (mtk_vcodec_mem_alloc(ctx, &instance->seg[i]))
    + goto err;
    + }
    +
    + if (!instance->tile.va) {
    + instance->tile.size = VP9_TILE_BUF_SIZE;
    + if (mtk_vcodec_mem_alloc(ctx, &instance->tile))
    + goto err;
    + }
    +
    + if (!instance->prob.va) {
    + instance->prob.size = VP9_PROB_BUF_SIZE;
    + if (mtk_vcodec_mem_alloc(ctx, &instance->prob))
    + goto err;
    + }
    +
    + if (!instance->counts.va) {
    + instance->counts.size = VP9_COUNTS_BUF_SIZE;
    + if (mtk_vcodec_mem_alloc(ctx, &instance->counts))
    + goto err;
    + }
    +
    + instance->level = level;
    + return 0;
    +
    +err:
    + instance->level = VP9_RES_NONE;
    + return ret;
    +}
    +
    +static void vdec_vp9_slice_free_working_buffer(struct vdec_vp9_slice_instance *instance)
    +{
    + struct mtk_vcodec_ctx *ctx = instance->ctx;
    + int i;
    +
    + for (i = 0; i < ARRAY_SIZE(instance->mv); i++) {
    + if (instance->mv[i].va)
    + mtk_vcodec_mem_free(ctx, &instance->mv[i]);
    + }
    + for (i = 0; i < ARRAY_SIZE(instance->seg); i++) {
    + if (instance->seg[i].va)
    + mtk_vcodec_mem_free(ctx, &instance->seg[i]);
    + }
    + if (instance->tile.va)
    + mtk_vcodec_mem_free(ctx, &instance->tile);
    + if (instance->prob.va)
    + mtk_vcodec_mem_free(ctx, &instance->prob);
    + if (instance->counts.va)
    + mtk_vcodec_mem_free(ctx, &instance->counts);
    +
    + instance->level = VP9_RES_NONE;
    +}
    +
    +static void vdec_vp9_slice_vsi_from_remote(struct vdec_vp9_slice_vsi *vsi,
    + struct vdec_vp9_slice_vsi *remote_vsi,
    + int skip)
    +{
    + struct vdec_vp9_slice_frame *rf;
    + struct vdec_vp9_slice_frame *f;
    +
    + /*
    + * compressed header
    + * dequant
    + * buffer position
    + * decode state
    + */
    + if (!skip) {
    + rf = &remote_vsi->frame;
    + f = &vsi->frame;
    + memcpy_fromio(&f->ch, &rf->ch, sizeof(f->ch));
    + memcpy_fromio(&f->uh.dequant, &rf->uh.dequant, sizeof(f->uh.dequant));
    + memcpy_fromio(&vsi->trans, &remote_vsi->trans, sizeof(vsi->trans));
    + }
    +
    + memcpy_fromio(&vsi->state, &remote_vsi->state, sizeof(vsi->state));
    +}
    +
    +static void vdec_vp9_slice_vsi_to_remote(struct vdec_vp9_slice_vsi *vsi,
    + struct vdec_vp9_slice_vsi *remote_vsi)
    +{
    + memcpy_toio(remote_vsi, vsi, sizeof(*vsi));
    +}
    +
    +static int vdec_vp9_slice_tile_offset(int idx, int mi_num, int tile_log2)
    +{
    + int sbs = (mi_num + 7) >> 3;
    + int offset = ((idx * sbs) >> tile_log2) << 3;
    +
    + return offset < mi_num ? offset : mi_num;
    +}
    +
    +static int vdec_vp9_slice_setup_lat_from_src_buf(struct vdec_vp9_slice_instance *instance,
    + struct vdec_lat_buf *lat_buf)
    +{
    + struct vb2_v4l2_buffer *src;
    + struct vb2_v4l2_buffer *dst;
    +
    + src = v4l2_m2m_next_src_buf(instance->ctx->m2m_ctx);
    + if (!src)
    + return -EINVAL;
    +
    + lat_buf->src_buf_req = src->vb2_buf.req_obj.req;
    +
    + dst = &lat_buf->ts_info;
    + v4l2_m2m_buf_copy_metadata(src, dst, true);
    + return 0;
    +}
    +
    +static void vdec_vp9_slice_setup_hdr(struct vdec_vp9_slice_instance *instance,
    + struct vdec_vp9_slice_uncompressed_header *uh,
    + struct v4l2_ctrl_vp9_frame *hdr)
    +{
    + int i;
    +
    + uh->profile = hdr->profile;
    + uh->last_frame_type = instance->frame_type;
    + uh->frame_type = !HDR_FLAG(KEY_FRAME);
    + uh->last_show_frame = instance->show_frame;
    + uh->show_frame = HDR_FLAG(SHOW_FRAME);
    + uh->error_resilient_mode = HDR_FLAG(ERROR_RESILIENT);
    + uh->bit_depth = hdr->bit_depth;
    + uh->last_frame_width = instance->width;
    + uh->last_frame_height = instance->height;
    + uh->frame_width = hdr->frame_width_minus_1 + 1;
    + uh->frame_height = hdr->frame_height_minus_1 + 1;
    + uh->intra_only = HDR_FLAG(INTRA_ONLY);
    + /* map v4l2 enum to values defined in VP9 spec for firmware */
    + switch (hdr->reset_frame_context) {
    + case V4L2_VP9_RESET_FRAME_CTX_NONE:
    + uh->reset_frame_context = VP9_RESET_FRAME_CONTEXT_NONE0;
    + break;
    + case V4L2_VP9_RESET_FRAME_CTX_SPEC:
    + uh->reset_frame_context = VP9_RESET_FRAME_CONTEXT_SPEC;
    + break;
    + case V4L2_VP9_RESET_FRAME_CTX_ALL:
    + uh->reset_frame_context = VP9_RESET_FRAME_CONTEXT_ALL;
    + break;
    + default:
    + uh->reset_frame_context = VP9_RESET_FRAME_CONTEXT_NONE0;
    + break;
    + }
    + /*
    + * ref_frame_sign_bias specifies the intended direction
    + * of the motion vector in time for each reference frame.
    + * - INTRA_FRAME = 0,
    + * - LAST_FRAME = 1,
    + * - GOLDEN_FRAME = 2,
    + * - ALTREF_FRAME = 3,
    + * ref_frame_sign_bias[INTRA_FRAME] is always 0
    + * and VDA only passes another 3 directions
    + */
    + uh->ref_frame_sign_bias[0] = 0;
    + for (i = 0; i < 3; i++)
    + uh->ref_frame_sign_bias[i + 1] =
    + !!(hdr->ref_frame_sign_bias & (1 << i));
    + uh->allow_high_precision_mv = HDR_FLAG(ALLOW_HIGH_PREC_MV);
    + uh->interpolation_filter = hdr->interpolation_filter;
    + uh->refresh_frame_context = HDR_FLAG(REFRESH_FRAME_CTX);
    + uh->frame_parallel_decoding_mode = HDR_FLAG(PARALLEL_DEC_MODE);
    + uh->frame_context_idx = hdr->frame_context_idx;
    +
    + /* tile info */
    + uh->tile_cols_log2 = hdr->tile_cols_log2;
    + uh->tile_rows_log2 = hdr->tile_rows_log2;
    +
    + uh->uncompressed_header_size = hdr->uncompressed_header_size;
    + uh->header_size_in_bytes = hdr->compressed_header_size;
    +}
    +
    +static void vdec_vp9_slice_setup_frame_ctx(struct vdec_vp9_slice_instance *instance,
    + struct vdec_vp9_slice_uncompressed_header *uh,
    + struct v4l2_ctrl_vp9_frame *hdr)
    +{
    + int error_resilient_mode;
    + int reset_frame_context;
    + int key_frame;
    + int intra_only;
    + int i;
    +
    + key_frame = HDR_FLAG(KEY_FRAME);
    + intra_only = HDR_FLAG(INTRA_ONLY);
    + error_resilient_mode = HDR_FLAG(ERROR_RESILIENT);
    + reset_frame_context = uh->reset_frame_context;
    +
    + /*
    + * according to "6.2 Uncompressed header syntax" in
    + * "VP9 Bitstream & Decoding Process Specification",
    + * reset @frame_context_idx when (FrameIsIntra || error_resilient_mode)
    + */
    + if (key_frame || intra_only || error_resilient_mode) {
    + /*
    + * @reset_frame_context specifies
    + * whether the frame context should be
    + * reset to default values:
    + * 0 or 1 means do not reset any frame context
    + * 2 resets just the context specified in the frame header
    + * 3 resets all contexts
    + */
    + if (key_frame || error_resilient_mode ||
    + reset_frame_context == 3) {
    + /* use default table */
    + for (i = 0; i < 4; i++)
    + instance->dirty[i] = 0;
    + } else if (reset_frame_context == 2) {
    + instance->dirty[uh->frame_context_idx] = 0;
    + }
    + uh->frame_context_idx = 0;
    + }
    +}
    +
    +static void vdec_vp9_slice_setup_loop_filter(struct vdec_vp9_slice_uncompressed_header *uh,
    + struct v4l2_vp9_loop_filter *lf)
    +{
    + int i;
    +
    + uh->loop_filter_level = lf->level;
    + uh->loop_filter_sharpness = lf->sharpness;
    + uh->loop_filter_delta_enabled = LF_FLAG(DELTA_ENABLED);
    + for (i = 0; i < 4; i++)
    + uh->loop_filter_ref_deltas[i] = lf->ref_deltas[i];
    + for (i = 0; i < 2; i++)
    + uh->loop_filter_mode_deltas[i] = lf->mode_deltas[i];
    +}
    +
    +static void vdec_vp9_slice_setup_quantization(struct vdec_vp9_slice_uncompressed_header *uh,
    + struct v4l2_vp9_quantization *quant)
    +{
    + uh->base_q_idx = quant->base_q_idx;
    + uh->delta_q_y_dc = quant->delta_q_y_dc;
    + uh->delta_q_uv_dc = quant->delta_q_uv_dc;
    + uh->delta_q_uv_ac = quant->delta_q_uv_ac;
    +}
    +
    +static void vdec_vp9_slice_setup_segmentation(struct vdec_vp9_slice_uncompressed_header *uh,
    + struct v4l2_vp9_segmentation *seg)
    +{
    + int i;
    + int j;
    +
    + uh->segmentation_enabled = SEG_FLAG(ENABLED);
    + uh->segmentation_update_map = SEG_FLAG(UPDATE_MAP);
    + for (i = 0; i < 7; i++)
    + uh->segmentation_tree_probs[i] = seg->tree_probs[i];
    + uh->segmentation_temporal_udpate = SEG_FLAG(TEMPORAL_UPDATE);
    + for (i = 0; i < 3; i++)
    + uh->segmentation_pred_prob[i] = seg->pred_probs[i];
    + uh->segmentation_update_data = SEG_FLAG(UPDATE_DATA);
    + uh->segmentation_abs_or_delta_update = SEG_FLAG(ABS_OR_DELTA_UPDATE);
    + for (i = 0; i < 8; i++) {
    + uh->feature_enabled[i] = seg->feature_enabled[i];
    + for (j = 0; j < 4; j++)
    + uh->feature_value[i][j] = seg->feature_data[i][j];
    + }
    +}
    +
    +static int vdec_vp9_slice_setup_tile(struct vdec_vp9_slice_vsi *vsi,
    + struct v4l2_ctrl_vp9_frame *hdr)
    +{
    + unsigned int rows_log2;
    + unsigned int cols_log2;
    + unsigned int rows;
    + unsigned int cols;
    + unsigned int mi_rows;
    + unsigned int mi_cols;
    + struct vdec_vp9_slice_tiles *tiles;
    + int offset;
    + int start;
    + int end;
    + int i;
    +
    + rows_log2 = hdr->tile_rows_log2;
    + cols_log2 = hdr->tile_cols_log2;
    + rows = 1 << rows_log2;
    + cols = 1 << cols_log2;
    + tiles = &vsi->frame.tiles;
    + tiles->actual_rows = 0;
    +
    + if (rows > 4 || cols > 64)
    + return -EINVAL;
    +
    + /* setup mi rows/cols information */
    + mi_rows = (hdr->frame_height_minus_1 + 1 + 7) >> 3;
    + mi_cols = (hdr->frame_width_minus_1 + 1 + 7) >> 3;
    +
    + for (i = 0; i < rows; i++) {
    + start = vdec_vp9_slice_tile_offset(i, mi_rows, rows_log2);
    + end = vdec_vp9_slice_tile_offset(i + 1, mi_rows, rows_log2);
    + offset = end - start;
    + tiles->mi_rows[i] = (offset + 7) >> 3;
    + if (tiles->mi_rows[i])
    + tiles->actual_rows++;
    + }
    +
    + for (i = 0; i < cols; i++) {
    + start = vdec_vp9_slice_tile_offset(i, mi_cols, cols_log2);
    + end = vdec_vp9_slice_tile_offset(i + 1, mi_cols, cols_log2);
    + offset = end - start;
    + tiles->mi_cols[i] = (offset + 7) >> 3;
    + }
    +
    + return 0;
    +}
    +
    +static void vdec_vp9_slice_setup_state(struct vdec_vp9_slice_vsi *vsi)
    +{
    + memset(&vsi->state, 0, sizeof(vsi->state));
    +}
    +
    +static void vdec_vp9_slice_setup_ref_idx(struct vdec_vp9_slice_pfc *pfc,
    + struct v4l2_ctrl_vp9_frame *hdr)
    +{
    + pfc->ref_idx[0] = hdr->last_frame_ts;
    + pfc->ref_idx[1] = hdr->golden_frame_ts;
    + pfc->ref_idx[2] = hdr->alt_frame_ts;
    +}
    +
    +static int vdec_vp9_slice_setup_pfc(struct vdec_vp9_slice_instance *instance,
    + struct vdec_vp9_slice_pfc *pfc)
    +{
    + struct v4l2_ctrl_vp9_frame *hdr;
    + struct vdec_vp9_slice_uncompressed_header *uh;
    + struct v4l2_ctrl *hdr_ctrl;
    + struct vdec_vp9_slice_vsi *vsi;
    + int ret;
    +
    + /* frame header */
    + hdr_ctrl = v4l2_ctrl_find(&instance->ctx->ctrl_hdl, V4L2_CID_STATELESS_VP9_FRAME);
    + if (!hdr_ctrl || !hdr_ctrl->p_cur.p)
    + return -EINVAL;
    +
    + hdr = hdr_ctrl->p_cur.p;
    + vsi = &pfc->vsi;
    + uh = &vsi->frame.uh;
    +
    + /* setup vsi information */
    + vdec_vp9_slice_setup_hdr(instance, uh, hdr);
    + vdec_vp9_slice_setup_frame_ctx(instance, uh, hdr);
    + vdec_vp9_slice_setup_loop_filter(uh, &hdr->lf);
    + vdec_vp9_slice_setup_quantization(uh, &hdr->quant);
    + vdec_vp9_slice_setup_segmentation(uh, &hdr->seg);
    + ret = vdec_vp9_slice_setup_tile(vsi, hdr);
    + if (ret)
    + return ret;
    + vdec_vp9_slice_setup_state(vsi);
    +
    + /* core stage needs buffer index to get ref y/c ... */
    + vdec_vp9_slice_setup_ref_idx(pfc, hdr);
    +
    + pfc->seq = instance->seq;
    + instance->seq++;
    +
    + return 0;
    +}
    +
    +static int vdec_vp9_slice_setup_lat_buffer(struct vdec_vp9_slice_instance *instance,
    + struct vdec_vp9_slice_vsi *vsi,
    + struct mtk_vcodec_mem *bs,
    + struct vdec_lat_buf *lat_buf)
    +{
    + int i;
    +
    + vsi->bs.buf.dma_addr = bs->dma_addr;
    + vsi->bs.buf.size = bs->size;
    + vsi->bs.frame.dma_addr = bs->dma_addr;
    + vsi->bs.frame.size = bs->size;
    +
    + for (i = 0; i < 2; i++) {
    + vsi->mv[i].dma_addr = instance->mv[i].dma_addr;
    + vsi->mv[i].size = instance->mv[i].size;
    + }
    + for (i = 0; i < 2; i++) {
    + vsi->seg[i].dma_addr = instance->seg[i].dma_addr;
    + vsi->seg[i].size = instance->seg[i].size;
    + }
    + vsi->tile.dma_addr = instance->tile.dma_addr;
    + vsi->tile.size = instance->tile.size;
    + vsi->prob.dma_addr = instance->prob.dma_addr;
    + vsi->prob.size = instance->prob.size;
    + vsi->counts.dma_addr = instance->counts.dma_addr;
    + vsi->counts.size = instance->counts.size;
    +
    + vsi->ube.dma_addr = lat_buf->ctx->msg_queue.wdma_addr.dma_addr;
    + vsi->ube.size = lat_buf->ctx->msg_queue.wdma_addr.size;
    + vsi->trans.dma_addr = lat_buf->ctx->msg_queue.wdma_wptr_addr;
    + /* used to store trans end */
    + vsi->trans.dma_addr_end = lat_buf->ctx->msg_queue.wdma_rptr_addr;
    + vsi->err_map.dma_addr = lat_buf->wdma_err_addr.dma_addr;
    + vsi->err_map.size = lat_buf->wdma_err_addr.size;
    +
    + vsi->row_info.buf = 0;
    + vsi->row_info.size = 0;
    +
    + return 0;
    +}
    +
    +static int vdec_vp9_slice_setup_prob_buffer(struct vdec_vp9_slice_instance *instance,
    + struct vdec_vp9_slice_vsi *vsi)
    +{
    + struct vdec_vp9_slice_frame_ctx *frame_ctx;
    + struct vdec_vp9_slice_uncompressed_header *uh;
    +
    + uh = &vsi->frame.uh;
    +
    + mtk_vcodec_debug(instance, "ctx dirty %u idx %d\n",
    + instance->dirty[uh->frame_context_idx],
    + uh->frame_context_idx);
    +
    + if (instance->dirty[uh->frame_context_idx])
    + frame_ctx = &instance->frame_ctx[uh->frame_context_idx];
    + else
    + frame_ctx = vdec_vp9_slice_default_frame_ctx;
    + memcpy(instance->prob.va, frame_ctx, sizeof(*frame_ctx));
    +
    + return 0;
    +}
    +
    +static void vdec_vp9_slice_setup_seg_buffer(struct vdec_vp9_slice_instance *instance,
    + struct vdec_vp9_slice_vsi *vsi,
    + struct mtk_vcodec_mem *buf)
    +{
    + struct vdec_vp9_slice_uncompressed_header *uh;
    +
    + /* reset segment buffer */
    + uh = &vsi->frame.uh;
    + if (uh->frame_type == 0 ||
    + uh->intra_only ||
    + uh->error_resilient_mode ||
    + uh->frame_width != instance->width ||
    + uh->frame_height != instance->height) {
    + mtk_vcodec_debug(instance, "reset seg\n");
    + memset(buf->va, 0, buf->size);
    + }
    +}
    +
    +/*
    + * parse tiles according to `6.4 Decode tiles syntax`
    + * in "vp9-bitstream-specification"
    + *
    + * frame contains uncompress header, compressed header and several tiles.
    + * this function parses tiles' position and size, stores them to tile buffer
    + * for decoding.
    + */
    +static int vdec_vp9_slice_setup_tile_buffer(struct vdec_vp9_slice_instance *instance,
    + struct vdec_vp9_slice_vsi *vsi,
    + struct mtk_vcodec_mem *bs)
    +{
    + struct vdec_vp9_slice_uncompressed_header *uh;
    + unsigned int rows_log2;
    + unsigned int cols_log2;
    + unsigned int rows;
    + unsigned int cols;
    + unsigned int mi_row;
    + unsigned int mi_col;
    + unsigned int offset;
    + unsigned int pa;
    + unsigned int size;
    + struct vdec_vp9_slice_tiles *tiles;
    + unsigned char *pos;
    + unsigned char *end;
    + unsigned char *va;
    + unsigned int *tb;
    + int i;
    + int j;
    +
    + uh = &vsi->frame.uh;
    + rows_log2 = uh->tile_rows_log2;
    + cols_log2 = uh->tile_cols_log2;
    + rows = 1 << rows_log2;
    + cols = 1 << cols_log2;
    +
    + if (rows > 4 || cols > 64) {
    + mtk_vcodec_err(instance, "tile_rows %u tile_cols %u\n",
    + rows, cols);
    + return -EINVAL;
    + }
    +
    + offset = uh->uncompressed_header_size +
    + uh->header_size_in_bytes;
    + if (bs->size <= offset) {
    + mtk_vcodec_err(instance, "bs size %zu tile offset %u\n",
    + bs->size, offset);
    + return -EINVAL;
    + }
    +
    + tiles = &vsi->frame.tiles;
    + /* setup tile buffer */
    +
    + va = (unsigned char *)bs->va;
    + pos = va + offset;
    + end = va + bs->size;
    + /* truncated */
    + pa = (unsigned int)bs->dma_addr + offset;
    + tb = instance->tile.va;
    + for (i = 0; i < rows; i++) {
    + for (j = 0; j < cols; j++) {
    + if (i == rows - 1 &&
    + j == cols - 1) {
    + size = (unsigned int)(end - pos);
    + } else {
    + if (end - pos < 4)
    + return -EINVAL;
    +
    + size = (pos[0] << 24) | (pos[1] << 16) |
    + (pos[2] << 8) | pos[3];
    + pos += 4;
    + pa += 4;
    + offset += 4;
    + if (end - pos < size)
    + return -EINVAL;
    + }
    + tiles->size[i][j] = size;
    + if (tiles->mi_rows[i]) {
    + *tb++ = (size << 3) + ((offset << 3) & 0x7f);
    + *tb++ = pa & ~0xf;
    + *tb++ = (pa << 3) & 0x7f;
    + mi_row = (tiles->mi_rows[i] - 1) & 0x1ff;
    + mi_col = (tiles->mi_cols[j] - 1) & 0x3f;
    + *tb++ = (mi_row << 6) + mi_col;
    + }
    + pos += size;
    + pa += size;
    + offset += size;
    + }
    + }
    +
    + return 0;
    +}
    +
    +static int vdec_vp9_slice_setup_lat(struct vdec_vp9_slice_instance *instance,
    + struct mtk_vcodec_mem *bs,
    + struct vdec_lat_buf *lat_buf,
    + struct vdec_vp9_slice_pfc *pfc)
    +{
    + struct vdec_vp9_slice_vsi *vsi = &pfc->vsi;
    + int ret;
    +
    + ret = vdec_vp9_slice_setup_lat_from_src_buf(instance, lat_buf);
    + if (ret)
    + goto err;
    +
    + ret = vdec_vp9_slice_setup_pfc(instance, pfc);
    + if (ret)
    + goto err;
    +
    + ret = vdec_vp9_slice_alloc_working_buffer(instance, vsi);
    + if (ret)
    + goto err;
    +
    + ret = vdec_vp9_slice_setup_lat_buffer(instance, vsi, bs, lat_buf);
    + if (ret)
    + goto err;
    +
    + vdec_vp9_slice_setup_seg_buffer(instance, vsi, &instance->seg[0]);
    +
    + /* setup prob/tile buffers for LAT */
    +
    + ret = vdec_vp9_slice_setup_prob_buffer(instance, vsi);
    + if (ret)
    + goto err;
    +
    + ret = vdec_vp9_slice_setup_tile_buffer(instance, vsi, bs);
    + if (ret)
    + goto err;
    +
    + return 0;
    +
    +err:
    + return ret;
    +}
    +
    +static
    +void vdec_vp9_slice_map_counts_eob_coef(unsigned int i, unsigned int j, unsigned int k,
    + struct vdec_vp9_slice_frame_counts *counts,
    + struct v4l2_vp9_frame_symbol_counts *counts_helper)
    +{
    + u32 l, m;
    +
    + /*
    + * helper eo -> mtk eo
    + * helpre e1 -> mtk c3
    + * helper c0 -> c0
    + * helper c1 -> c1
    + * helper c2 -> c2
    + */
    + for (l = 0; l < 6; l++) {
    + for (m = 0; m < VP9_BAND_6(l); m++) {
    + if (l == 0) {
    + counts_helper->coeff[i][j][k][l][m] =
    + (u32 (*)[3]) & counts->coef_probs[i][j][k].band_0[m];
    + counts_helper->eob[i][j][k][l][m][0] =
    + &counts->eob_branch[i][j][k].band_0[m];
    + counts_helper->eob[i][j][k][l][m][1] =
    + &counts->coef_probs[i][j][k].band_0[m][3];
    + continue;
    + }
    +
    + counts_helper->coeff[i][j][k][l][m] =
    + (u32 (*)[3]) & counts->coef_probs[i][j][k].band_1_5[l - 1][m];
    + counts_helper->eob[i][j][k][l][m][0] =
    + &counts->eob_branch[i][j][k].band_1_5[l - 1][m];
    + counts_helper->eob[i][j][k][l][m][1] =
    + &counts->coef_probs[i][j][k].band_1_5[l - 1][m][3];
    + }
    + }
    +}
    +
    +static void vdec_vp9_slice_counts_map_helper(struct vdec_vp9_slice_counts_map *counts_map,
    + struct vdec_vp9_slice_frame_counts *counts,
    + struct v4l2_vp9_frame_symbol_counts *counts_helper)
    +{
    + int i, j, k;
    +
    + counts_helper->partition = &counts->partition;
    + counts_helper->intra_inter = &counts->intra_inter;
    + counts_helper->tx32p = &counts->tx_p32x32;
    + counts_helper->tx16p = &counts->tx_p16x16;
    + counts_helper->tx8p = &counts->tx_p8x8;
    + counts_helper->uv_mode = &counts->uv_mode;
    +
    + counts_helper->comp = &counts->comp_inter;
    + counts_helper->comp_ref = &counts->comp_ref;
    + counts_helper->single_ref = &counts->single_ref;
    + counts_helper->mv_mode = &counts->inter_mode;
    + counts_helper->mv_joint = &counts->joint;
    +
    + for (i = 0; i < ARRAY_SIZE(counts_map->skip); i++)
    + memcpy(counts_map->skip[i], counts->skip[i],
    + sizeof(counts_map->skip[0]));
    + counts_helper->skip = &counts_map->skip;
    +
    + for (i = 0; i < ARRAY_SIZE(counts_map->y_mode); i++)
    + memcpy(counts_map->y_mode[i], counts->y_mode[i],
    + sizeof(counts_map->y_mode[0]));
    + counts_helper->y_mode = &counts_map->y_mode;
    +
    + for (i = 0; i < ARRAY_SIZE(counts_map->filter); i++)
    + memcpy(counts_map->filter[i], counts->switchable_interp[i],
    + sizeof(counts_map->filter[0]));
    + counts_helper->filter = &counts_map->filter;
    +
    + for (i = 0; i < ARRAY_SIZE(counts_map->sign); i++)
    + memcpy(counts_map->sign[i], counts->mvcomp[i].sign,
    + sizeof(counts_map->sign[0]));
    + counts_helper->sign = &counts_map->sign;
    +
    + for (i = 0; i < ARRAY_SIZE(counts_map->classes); i++)
    + memcpy(counts_map->classes[i], counts->mvcomp[i].classes,
    + sizeof(counts_map->classes[0]));
    + counts_helper->classes = &counts_map->classes;
    +
    + for (i = 0; i < ARRAY_SIZE(counts_map->class0); i++)
    + memcpy(counts_map->class0[i], counts->mvcomp[i].class0,
    + sizeof(counts_map->class0[0]));
    + counts_helper->class0 = &counts_map->class0;
    +
    + for (i = 0; i < ARRAY_SIZE(counts_map->bits); i++)
    + for (j = 0; j < ARRAY_SIZE(counts_map->bits[0]); j++)
    + memcpy(counts_map->bits[i][j], counts->mvcomp[i].bits[j],
    + sizeof(counts_map->bits[0][0]));
    + counts_helper->bits = &counts_map->bits;
    +
    + for (i = 0; i < ARRAY_SIZE(counts_map->class0_fp); i++)
    + for (j = 0; j < ARRAY_SIZE(counts_map->class0_fp[0]); j++)
    + memcpy(counts_map->class0_fp[i][j], counts->mvcomp[i].class0_fp[j],
    + sizeof(counts_map->class0_fp[0][0]));
    + counts_helper->class0_fp = &counts_map->class0_fp;
    +
    + for (i = 0; i < ARRAY_SIZE(counts_map->fp); i++)
    + memcpy(counts_map->fp[i], counts->mvcomp[i].fp,
    + sizeof(counts_map->fp[0]));
    + counts_helper->fp = &counts_map->fp;
    +
    + for (i = 0; i < ARRAY_SIZE(counts_map->class0_hp); i++)
    + memcpy(counts_map->class0_hp[i], counts->mvcomp[i].class0_hp,
    + sizeof(counts_map->class0_hp[0]));
    + counts_helper->class0_hp = &counts_map->class0_hp;
    +
    + for (i = 0; i < ARRAY_SIZE(counts_map->hp); i++)
    + memcpy(counts_map->hp[i], counts->mvcomp[i].hp, sizeof(counts_map->hp[0]));
    +
    + counts_helper->hp = &counts_map->hp;
    +
    + for (i = 0; i < 4; i++)
    + for (j = 0; j < 2; j++)
    + for (k = 0; k < 2; k++)
    + vdec_vp9_slice_map_counts_eob_coef(i, j, k, counts, counts_helper);
    +}
    +
    +static void vdec_vp9_slice_map_to_coef(unsigned int i, unsigned int j, unsigned int k,
    + struct vdec_vp9_slice_frame_ctx *frame_ctx,
    + struct v4l2_vp9_frame_context *frame_ctx_helper)
    +{
    + u32 l, m;
    +
    + for (l = 0; l < ARRAY_SIZE(frame_ctx_helper->coef[0][0][0]); l++) {
    + for (m = 0; m < VP9_BAND_6(l); m++) {
    + memcpy(frame_ctx_helper->coef[i][j][k][l][m],
    + frame_ctx->coef_probs[i][j][k][l].probs[m],
    + sizeof(frame_ctx_helper->coef[i][j][k][l][0]));
    + }
    + }
    +}
    +
    +static void vdec_vp9_slice_map_from_coef(unsigned int i, unsigned int j, unsigned int k,
    + struct vdec_vp9_slice_frame_ctx *frame_ctx,
    + struct v4l2_vp9_frame_context *frame_ctx_helper)
    +{
    + u32 l, m;
    +
    + for (l = 0; l < ARRAY_SIZE(frame_ctx_helper->coef[0][0][0]); l++) {
    + for (m = 0; m < VP9_BAND_6(l); m++) {
    + memcpy(frame_ctx->coef_probs[i][j][k][l].probs[m],
    + frame_ctx_helper->coef[i][j][k][l][m],
    + sizeof(frame_ctx_helper->coef[i][j][k][l][0]));
    + }
    + }
    +}
    +
    +static
    +void vdec_vp9_slice_framectx_map_helper(bool frame_is_intra,
    + struct vdec_vp9_slice_frame_ctx *pre_frame_ctx,
    + struct vdec_vp9_slice_frame_ctx *frame_ctx,
    + struct v4l2_vp9_frame_context *frame_ctx_helper)
    +{
    + struct v4l2_vp9_frame_mv_context *mv = &frame_ctx_helper->mv;
    + u32 i, j, k;
    +
    + for (i = 0; i < ARRAY_SIZE(frame_ctx_helper->coef); i++)
    + for (j = 0; j < ARRAY_SIZE(frame_ctx_helper->coef[0]); j++)
    + for (k = 0; k < ARRAY_SIZE(frame_ctx_helper->coef[0][0]); k++)
    + vdec_vp9_slice_map_to_coef(i, j, k, pre_frame_ctx,
    + frame_ctx_helper);
    +
    + /*
    + * use previous prob when frame is not intra or
    + * we should use the prob updated by the compressed header parse
    + */
    + if (!frame_is_intra)
    + frame_ctx = pre_frame_ctx;
    +
    + for (i = 0; i < ARRAY_SIZE(frame_ctx_helper->tx8); i++)
    + memcpy(frame_ctx_helper->tx8[i], frame_ctx->tx_p8x8[i],
    + sizeof(frame_ctx_helper->tx8[0]));
    +
    + for (i = 0; i < ARRAY_SIZE(frame_ctx_helper->tx16); i++)
    + memcpy(frame_ctx_helper->tx16[i], frame_ctx->tx_p16x16[i],
    + sizeof(frame_ctx_helper->tx16[0]));
    +
    + for (i = 0; i < ARRAY_SIZE(frame_ctx_helper->tx32); i++)
    + memcpy(frame_ctx_helper->tx32[i], frame_ctx->tx_p32x32[i],
    + sizeof(frame_ctx_helper->tx32[0]));
    +
    + memcpy(frame_ctx_helper->skip, frame_ctx->skip_probs, sizeof(frame_ctx_helper->skip));
    +
    + for (i = 0; i < ARRAY_SIZE(frame_ctx_helper->inter_mode); i++)
    + memcpy(frame_ctx_helper->inter_mode[i], frame_ctx->inter_mode_probs[i],
    + sizeof(frame_ctx_helper->inter_mode[0]));
    +
    + for (i = 0; i < ARRAY_SIZE(frame_ctx_helper->interp_filter); i++)
    + memcpy(frame_ctx_helper->interp_filter[i], frame_ctx->switch_interp_prob[i],
    + sizeof(frame_ctx_helper->interp_filter[0]));
    +
    + memcpy(frame_ctx_helper->is_inter, frame_ctx->intra_inter_prob,
    + sizeof(frame_ctx_helper->is_inter));
    +
    + memcpy(frame_ctx_helper->comp_mode, frame_ctx->comp_inter_prob,
    + sizeof(frame_ctx_helper->comp_mode));
    +
    + for (i = 0; i < ARRAY_SIZE(frame_ctx_helper->single_ref); i++)
    + memcpy(frame_ctx_helper->single_ref[i], frame_ctx->single_ref_prob[i],
    + sizeof(frame_ctx_helper->single_ref[0]));
    +
    + memcpy(frame_ctx_helper->comp_ref, frame_ctx->comp_ref_prob,
    + sizeof(frame_ctx_helper->comp_ref));
    +
    + for (i = 0; i < ARRAY_SIZE(frame_ctx_helper->y_mode); i++)
    + memcpy(frame_ctx_helper->y_mode[i], frame_ctx->y_mode_prob[i],
    + sizeof(frame_ctx_helper->y_mode[0]));
    +
    + for (i = 0; i < ARRAY_SIZE(frame_ctx_helper->uv_mode); i++)
    + memcpy(frame_ctx_helper->uv_mode[i], frame_ctx->uv_mode_prob[i],
    + sizeof(frame_ctx_helper->uv_mode[0]));
    +
    + for (i = 0; i < ARRAY_SIZE(frame_ctx_helper->partition); i++)
    + memcpy(frame_ctx_helper->partition[i], frame_ctx->partition_prob[i],
    + sizeof(frame_ctx_helper->partition[0]));
    +
    + memcpy(mv->joint, frame_ctx->joint, sizeof(mv->joint));
    +
    + for (i = 0; i < ARRAY_SIZE(mv->sign); i++)
    + mv->sign[i] = frame_ctx->sign_classes[i].sign;
    +
    + for (i = 0; i < ARRAY_SIZE(mv->classes); i++)
    + memcpy(mv->classes[i], frame_ctx->sign_classes[i].classes,
    + sizeof(mv->classes[i]));
    +
    + for (i = 0; i < ARRAY_SIZE(mv->class0_bit); i++)
    + mv->class0_bit[i] = frame_ctx->class0_bits[i].class0[0];
    +
    + for (i = 0; i < ARRAY_SIZE(mv->bits); i++)
    + memcpy(mv->bits[i], frame_ctx->class0_bits[i].bits, sizeof(mv->bits[0]));
    +
    + for (i = 0; i < ARRAY_SIZE(mv->class0_fr); i++)
    + for (j = 0; j < ARRAY_SIZE(mv->class0_fr[0]); j++)
    + memcpy(mv->class0_fr[i][j], frame_ctx->class0_fp_hp[i].class0_fp[j],
    + sizeof(mv->class0_fr[0][0]));
    +
    + for (i = 0; i < ARRAY_SIZE(mv->fr); i++)
    + memcpy(mv->fr[i], frame_ctx->class0_fp_hp[i].fp, sizeof(mv->fr[0]));
    +
    + for (i = 0; i < ARRAY_SIZE(mv->class0_hp); i++)
    + mv->class0_hp[i] = frame_ctx->class0_fp_hp[i].class0_hp;
    +
    + for (i = 0; i < ARRAY_SIZE(mv->hp); i++)
    + mv->hp[i] = frame_ctx->class0_fp_hp[i].hp;
    +}
    +
    +static void vdec_vp9_slice_helper_map_framectx(struct v4l2_vp9_frame_context *frame_ctx_helper,
    + struct vdec_vp9_slice_frame_ctx *frame_ctx)
    +{
    + struct v4l2_vp9_frame_mv_context *mv = &frame_ctx_helper->mv;
    + u32 i, j, k;
    +
    + for (i = 0; i < ARRAY_SIZE(frame_ctx_helper->tx8); i++)
    + memcpy(frame_ctx->tx_p8x8[i], frame_ctx_helper->tx8[i],
    + sizeof(frame_ctx_helper->tx8[0]));
    +
    + for (i = 0; i < ARRAY_SIZE(frame_ctx_helper->tx16); i++)
    + memcpy(frame_ctx->tx_p16x16[i], frame_ctx_helper->tx16[i],
    + sizeof(frame_ctx_helper->tx16[0]));
    +
    + for (i = 0; i < ARRAY_SIZE(frame_ctx_helper->tx32); i++)
    + memcpy(frame_ctx->tx_p32x32[i], frame_ctx_helper->tx32[i],
    + sizeof(frame_ctx_helper->tx32[0]));
    +
    + for (i = 0; i < ARRAY_SIZE(frame_ctx_helper->coef); i++)
    + for (j = 0; j < ARRAY_SIZE(frame_ctx_helper->coef[0]); j++)
    + for (k = 0; k < ARRAY_SIZE(frame_ctx_helper->coef[0][0]); k++)
    + vdec_vp9_slice_map_from_coef(i, j, k, frame_ctx,
    + frame_ctx_helper);
    +
    + memcpy(frame_ctx->skip_probs, frame_ctx_helper->skip, sizeof(frame_ctx_helper->skip));
    +
    + for (i = 0; i < ARRAY_SIZE(frame_ctx_helper->inter_mode); i++)
    + memcpy(frame_ctx->inter_mode_probs[i], frame_ctx_helper->inter_mode[i],
    + sizeof(frame_ctx_helper->inter_mode[0]));
    +
    + for (i = 0; i < ARRAY_SIZE(frame_ctx_helper->interp_filter); i++)
    + memcpy(frame_ctx->switch_interp_prob[i], frame_ctx_helper->interp_filter[i],
    + sizeof(frame_ctx_helper->interp_filter[0]));
    +
    + memcpy(frame_ctx->intra_inter_prob, frame_ctx_helper->is_inter,
    + sizeof(frame_ctx_helper->is_inter));
    +
    + memcpy(frame_ctx->comp_inter_prob, frame_ctx_helper->comp_mode,
    + sizeof(frame_ctx_helper->comp_mode));
    +
    + for (i = 0; i < ARRAY_SIZE(frame_ctx_helper->single_ref); i++)
    + memcpy(frame_ctx->single_ref_prob[i], frame_ctx_helper->single_ref[i],
    + sizeof(frame_ctx_helper->single_ref[0]));
    +
    + memcpy(frame_ctx->comp_ref_prob, frame_ctx_helper->comp_ref,
    + sizeof(frame_ctx_helper->comp_ref));
    +
    + for (i = 0; i < ARRAY_SIZE(frame_ctx_helper->y_mode); i++)
    + memcpy(frame_ctx->y_mode_prob[i], frame_ctx_helper->y_mode[i],
    + sizeof(frame_ctx_helper->y_mode[0]));
    +
    + for (i = 0; i < ARRAY_SIZE(frame_ctx_helper->uv_mode); i++)
    + memcpy(frame_ctx->uv_mode_prob[i], frame_ctx_helper->uv_mode[i],
    + sizeof(frame_ctx_helper->uv_mode[0]));
    +
    + for (i = 0; i < ARRAY_SIZE(frame_ctx_helper->partition); i++)
    + memcpy(frame_ctx->partition_prob[i], frame_ctx_helper->partition[i],
    + sizeof(frame_ctx_helper->partition[0]));
    +
    + memcpy(frame_ctx->joint, mv->joint, sizeof(mv->joint));
    +
    + for (i = 0; i < ARRAY_SIZE(mv->sign); i++)
    + frame_ctx->sign_classes[i].sign = mv->sign[i];
    +
    + for (i = 0; i < ARRAY_SIZE(mv->classes); i++)
    + memcpy(frame_ctx->sign_classes[i].classes, mv->classes[i],
    + sizeof(mv->classes[i]));
    +
    + for (i = 0; i < ARRAY_SIZE(mv->class0_bit); i++)
    + frame_ctx->class0_bits[i].class0[0] = mv->class0_bit[i];
    +
    + for (i = 0; i < ARRAY_SIZE(mv->bits); i++)
    + memcpy(frame_ctx->class0_bits[i].bits, mv->bits[i], sizeof(mv->bits[0]));
    +
    + for (i = 0; i < ARRAY_SIZE(mv->class0_fr); i++)
    + for (j = 0; j < ARRAY_SIZE(mv->class0_fr[0]); j++)
    + memcpy(frame_ctx->class0_fp_hp[i].class0_fp[j], mv->class0_fr[i][j],
    + sizeof(mv->class0_fr[0][0]));
    +
    + for (i = 0; i < ARRAY_SIZE(mv->fr); i++)
    + memcpy(frame_ctx->class0_fp_hp[i].fp, mv->fr[i], sizeof(mv->fr[0]));
    +
    + for (i = 0; i < ARRAY_SIZE(mv->class0_hp); i++)
    + frame_ctx->class0_fp_hp[i].class0_hp = mv->class0_hp[i];
    +
    + for (i = 0; i < ARRAY_SIZE(mv->hp); i++)
    + frame_ctx->class0_fp_hp[i].hp = mv->hp[i];
    +}
    +
    +static int vdec_vp9_slice_update_prob(struct vdec_vp9_slice_instance *instance,
    + struct vdec_vp9_slice_vsi *vsi)
    +{
    + struct vdec_vp9_slice_frame_ctx *pre_frame_ctx;
    + struct v4l2_vp9_frame_context *pre_frame_ctx_helper;
    + struct vdec_vp9_slice_frame_ctx *frame_ctx;
    + struct vdec_vp9_slice_frame_counts *counts;
    + struct v4l2_vp9_frame_symbol_counts *counts_helper;
    + struct vdec_vp9_slice_uncompressed_header *uh;
    + bool frame_is_intra;
    + bool use_128;
    +
    + uh = &vsi->frame.uh;
    + pre_frame_ctx = &instance->frame_ctx[uh->frame_context_idx];
    + pre_frame_ctx_helper = &instance->frame_ctx_helper;
    + frame_ctx = (struct vdec_vp9_slice_frame_ctx *)instance->prob.va;
    + counts = (struct vdec_vp9_slice_frame_counts *)instance->counts.va;
    + counts_helper = &instance->counts_helper;
    +
    + if (!uh->refresh_frame_context)
    + return 0;
    +
    + if (!uh->frame_parallel_decoding_mode) {
    + vdec_vp9_slice_counts_map_helper(&instance->counts_map, counts, counts_helper);
    +
    + frame_is_intra = !vsi->frame.uh.frame_type || vsi->frame.uh.intra_only;
    + /* check default prob */
    + if (!instance->dirty[uh->frame_context_idx])
    + vdec_vp9_slice_framectx_map_helper(frame_is_intra,
    + vdec_vp9_slice_default_frame_ctx,
    + frame_ctx,
    + pre_frame_ctx_helper);
    + else
    + vdec_vp9_slice_framectx_map_helper(frame_is_intra,
    + pre_frame_ctx,
    + frame_ctx,
    + pre_frame_ctx_helper);
    +
    + use_128 = !frame_is_intra && !vsi->frame.uh.last_frame_type;
    + v4l2_vp9_adapt_coef_probs(pre_frame_ctx_helper,
    + counts_helper,
    + use_128,
    + frame_is_intra);
    + if (!frame_is_intra)
    + v4l2_vp9_adapt_noncoef_probs(pre_frame_ctx_helper,
    + counts_helper,
    + V4L2_VP9_REFERENCE_MODE_SINGLE_REFERENCE,
    + vsi->frame.uh.interpolation_filter,
    + vsi->frame.ch.tx_mode,
    + vsi->frame.uh.allow_high_precision_mv ?
    + V4L2_VP9_FRAME_FLAG_ALLOW_HIGH_PREC_MV : 0);
    + vdec_vp9_slice_helper_map_framectx(pre_frame_ctx_helper, pre_frame_ctx);
    + } else {
    + memcpy(pre_frame_ctx, frame_ctx, sizeof(*frame_ctx));
    + }
    +
    + instance->dirty[uh->frame_context_idx] = 1;
    +
    + return 0;
    +}
    +
    +static int vdec_vp9_slice_update_lat(struct vdec_vp9_slice_instance *instance,
    + struct vdec_lat_buf *lat_buf,
    + struct vdec_vp9_slice_pfc *pfc)
    +{
    + struct vdec_vp9_slice_vsi *vsi;
    +
    + vsi = &pfc->vsi;
    + memcpy(&pfc->state[0], &vsi->state, sizeof(vsi->state));
    +
    + mtk_vcodec_debug(instance, "Frame %u LAT CRC 0x%08x %lx %lx\n",
    + pfc->seq, vsi->state.crc[0],
    + (unsigned long)vsi->trans.dma_addr,
    + (unsigned long)vsi->trans.dma_addr_end);
    +
    + /* buffer full, need to re-decode */
    + if (vsi->state.full) {
    + /* buffer not enough */
    + if (vsi->trans.dma_addr_end - vsi->trans.dma_addr ==
    + vsi->ube.size)
    + return -ENOMEM;
    + return -EAGAIN;
    + }
    +
    + vdec_vp9_slice_update_prob(instance, vsi);
    +
    + instance->width = vsi->frame.uh.frame_width;
    + instance->height = vsi->frame.uh.frame_height;
    + instance->frame_type = vsi->frame.uh.frame_type;
    + instance->show_frame = vsi->frame.uh.show_frame;
    +
    + return 0;
    +}
    +
    +static int vdec_vp9_slice_setup_core_to_dst_buf(struct vdec_vp9_slice_instance *instance,
    + struct vdec_lat_buf *lat_buf)
    +{
    + struct vb2_v4l2_buffer *dst;
    +
    + dst = v4l2_m2m_next_dst_buf(instance->ctx->m2m_ctx);
    + if (!dst)
    + return -EINVAL;
    +
    + v4l2_m2m_buf_copy_metadata(&lat_buf->ts_info, dst, true);
    + return 0;
    +}
    +
    +static int vdec_vp9_slice_setup_core_buffer(struct vdec_vp9_slice_instance *instance,
    + struct vdec_vp9_slice_pfc *pfc,
    + struct vdec_vp9_slice_vsi *vsi,
    + struct vdec_fb *fb,
    + struct vdec_lat_buf *lat_buf)
    +{
    + struct vb2_buffer *vb;
    + struct vb2_queue *vq;
    + struct vdec_vp9_slice_reference *ref;
    + int plane;
    + int size;
    + int idx;
    + int w;
    + int h;
    + int i;
    +
    + plane = instance->ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes;
    + w = vsi->frame.uh.frame_width;
    + h = vsi->frame.uh.frame_height;
    + size = ALIGN(w, 64) * ALIGN(h, 64);
    +
    + /* frame buffer */
    + vsi->fb.y.dma_addr = fb->base_y.dma_addr;
    + if (plane == 1)
    + vsi->fb.c.dma_addr = fb->base_y.dma_addr + size;
    + else
    + vsi->fb.c.dma_addr = fb->base_c.dma_addr;
    +
    + /* reference buffers */
    + vq = v4l2_m2m_get_vq(instance->ctx->m2m_ctx,
    + V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
    + if (!vq)
    + return -EINVAL;
    +
    + /* get current output buffer */
    + vb = &v4l2_m2m_next_dst_buf(instance->ctx->m2m_ctx)->vb2_buf;
    + if (!vb)
    + return -EINVAL;
    +
    + /* update internal buffer's width/height */
    + for (i = 0; i < vq->num_buffers; i++) {
    + if (vb == vq->bufs[i]) {
    + instance->dpb[i].width = w;
    + instance->dpb[i].height = h;
    + break;
    + }
    + }
    +
    + /*
    + * get buffer's width/height from instance
    + * get buffer address from vb2buf
    + */
    + for (i = 0; i < 3; i++) {
    + ref = &vsi->frame.ref[i];
    + idx = vb2_find_timestamp(vq, pfc->ref_idx[i], 0);
    + if (idx < 0) {
    + ref->frame_width = w;
    + ref->frame_height = h;
    + memset(&vsi->ref[i], 0, sizeof(vsi->ref[i]));
    + } else {
    + ref->frame_width = instance->dpb[idx].width;
    + ref->frame_height = instance->dpb[idx].height;
    + vb = vq->bufs[idx];
    + vsi->ref[i].y.dma_addr =
    + vb2_dma_contig_plane_dma_addr(vb, 0);
    + if (plane == 1)
    + vsi->ref[i].c.dma_addr =
    + vsi->ref[i].y.dma_addr + size;
    + else
    + vsi->ref[i].c.dma_addr =
    + vb2_dma_contig_plane_dma_addr(vb, 1);
    + }
    + }
    +
    + return 0;
    +}
    +
    +static int vdec_vp9_slice_setup_core(struct vdec_vp9_slice_instance *instance,
    + struct vdec_fb *fb,
    + struct vdec_lat_buf *lat_buf,
    + struct vdec_vp9_slice_pfc *pfc)
    +{
    + struct vdec_vp9_slice_vsi *vsi = &pfc->vsi;
    + int ret;
    +
    + vdec_vp9_slice_setup_state(vsi);
    +
    + ret = vdec_vp9_slice_setup_core_to_dst_buf(instance, lat_buf);
    + if (ret)
    + goto err;
    +
    + ret = vdec_vp9_slice_setup_core_buffer(instance, pfc, vsi, fb, lat_buf);
    + if (ret)
    + goto err;
    +
    + vdec_vp9_slice_setup_seg_buffer(instance, vsi, &instance->seg[1]);
    +
    + return 0;
    +
    +err:
    + return ret;
    +}
    +
    +static int vdec_vp9_slice_update_core(struct vdec_vp9_slice_instance *instance,
    + struct vdec_lat_buf *lat_buf,
    + struct vdec_vp9_slice_pfc *pfc)
    +{
    + struct vdec_vp9_slice_vsi *vsi;
    +
    + vsi = &pfc->vsi;
    + memcpy(&pfc->state[1], &vsi->state, sizeof(vsi->state));
    +
    + mtk_vcodec_debug(instance, "Frame %u Y_CRC %08x %08x %08x %08x\n",
    + pfc->seq,
    + vsi->state.crc[0], vsi->state.crc[1],
    + vsi->state.crc[2], vsi->state.crc[3]);
    + mtk_vcodec_debug(instance, "Frame %u C_CRC %08x %08x %08x %08x\n",
    + pfc->seq,
    + vsi->state.crc[4], vsi->state.crc[5],
    + vsi->state.crc[6], vsi->state.crc[7]);
    +
    + return 0;
    +}
    +
    +static int vdec_vp9_slice_init(struct mtk_vcodec_ctx *ctx)
    +{
    + struct vdec_vp9_slice_instance *instance;
    + struct vdec_vp9_slice_init_vsi *vsi;
    + int ret;
    +
    + instance = kzalloc(sizeof(*instance), GFP_KERNEL);
    + if (!instance)
    + return -ENOMEM;
    +
    + instance->ctx = ctx;
    + instance->vpu.id = SCP_IPI_VDEC_LAT;
    + instance->vpu.core_id = SCP_IPI_VDEC_CORE;
    + instance->vpu.ctx = ctx;
    + instance->vpu.codec_type = ctx->current_codec;
    +
    + ret = vpu_dec_init(&instance->vpu);
    + if (ret) {
    + mtk_vcodec_err(instance, "failed to init vpu dec, ret %d\n", ret);
    + goto error_vpu_init;
    + }
    +
    + /* init vsi and global flags */
    +
    + vsi = instance->vpu.vsi;
    + if (!vsi) {
    + mtk_vcodec_err(instance, "failed to get VP9 vsi\n");
    + ret = -EINVAL;
    + goto error_vsi;
    + }
    + instance->init_vsi = vsi;
    + instance->core_vsi = mtk_vcodec_fw_map_dm_addr(ctx->dev->fw_handler,
    + (u32)vsi->core_vsi);
    + if (!instance->core_vsi) {
    + mtk_vcodec_err(instance, "failed to get VP9 core vsi\n");
    + ret = -EINVAL;
    + goto error_vsi;
    + }
    +
    + instance->irq = 1;
    +
    + ret = vdec_vp9_slice_init_default_frame_ctx(instance);
    + if (ret)
    + goto error_default_frame_ctx;
    +
    + ctx->drv_handle = instance;
    +
    + return 0;
    +
    +error_default_frame_ctx:
    +error_vsi:
    + vpu_dec_deinit(&instance->vpu);
    +error_vpu_init:
    + kfree(instance);
    + return ret;
    +}
    +
    +static void vdec_vp9_slice_deinit(void *h_vdec)
    +{
    + struct vdec_vp9_slice_instance *instance = h_vdec;
    +
    + if (!instance)
    + return;
    +
    + vpu_dec_deinit(&instance->vpu);
    + vdec_vp9_slice_free_working_buffer(instance);
    + vdec_msg_queue_deinit(&instance->ctx->msg_queue, instance->ctx);
    + kfree(instance);
    +}
    +
    +static int vdec_vp9_slice_flush(void *h_vdec, struct mtk_vcodec_mem *bs,
    + struct vdec_fb *fb, bool *res_chg)
    +{
    + struct vdec_vp9_slice_instance *instance = h_vdec;
    +
    + mtk_vcodec_debug(instance, "flush ...\n");
    +
    + vdec_msg_queue_wait_lat_buf_full(&instance->ctx->msg_queue);
    + return vpu_dec_reset(&instance->vpu);
    +}
    +
    +static void vdec_vp9_slice_get_pic_info(struct vdec_vp9_slice_instance *instance)
    +{
    + struct mtk_vcodec_ctx *ctx = instance->ctx;
    + unsigned int data[3];
    +
    + mtk_vcodec_debug(instance, "w %u h %u\n",
    + ctx->picinfo.pic_w, ctx->picinfo.pic_h);
    +
    + data[0] = ctx->picinfo.pic_w;
    + data[1] = ctx->picinfo.pic_h;
    + data[2] = ctx->capture_fourcc;
    + vpu_dec_get_param(&instance->vpu, data, 3, GET_PARAM_PIC_INFO);
    +
    + ctx->picinfo.buf_w = ALIGN(ctx->picinfo.pic_w, 64);
    + ctx->picinfo.buf_h = ALIGN(ctx->picinfo.pic_h, 64);
    + ctx->picinfo.fb_sz[0] = instance->vpu.fb_sz[0];
    + ctx->picinfo.fb_sz[1] = instance->vpu.fb_sz[1];
    +}
    +
    +static void vdec_vp9_slice_get_dpb_size(struct vdec_vp9_slice_instance *instance,
    + unsigned int *dpb_sz)
    +{
    + /* refer VP9 specification */
    + *dpb_sz = 9;
    +}
    +
    +static int vdec_vp9_slice_get_param(void *h_vdec, enum vdec_get_param_type type, void *out)
    +{
    + struct vdec_vp9_slice_instance *instance = h_vdec;
    +
    + switch (type) {
    + case GET_PARAM_PIC_INFO:
    + vdec_vp9_slice_get_pic_info(instance);
    + break;
    + case GET_PARAM_DPB_SIZE:
    + vdec_vp9_slice_get_dpb_size(instance, out);
    + break;
    + case GET_PARAM_CROP_INFO:
    + mtk_vcodec_debug(instance, "No need to get vp9 crop information.");
    + break;
    + default:
    + mtk_vcodec_err(instance, "invalid get parameter type=%d\n",
    + type);
    + return -EINVAL;
    + }
    +
    + return 0;
    +}
    +
    +static int vdec_vp9_slice_lat_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
    + struct vdec_fb *fb, bool *res_chg)
    +{
    + struct vdec_vp9_slice_instance *instance = h_vdec;
    + struct vdec_lat_buf *lat_buf;
    + struct vdec_vp9_slice_pfc *pfc;
    + struct vdec_vp9_slice_vsi *vsi;
    + struct mtk_vcodec_ctx *ctx;
    + int ret;
    +
    + if (!instance || !instance->ctx)
    + return -EINVAL;
    + ctx = instance->ctx;
    +
    + /* init msgQ for the first time */
    + if (vdec_msg_queue_init(&ctx->msg_queue, ctx,
    + vdec_vp9_slice_core_decode,
    + sizeof(*pfc)))
    + return -ENOMEM;
    +
    + /* bs NULL means flush decoder */
    + if (!bs)
    + return vdec_vp9_slice_flush(h_vdec, bs, fb, res_chg);
    +
    + lat_buf = vdec_msg_queue_dqbuf(&instance->ctx->msg_queue.lat_ctx);
    + if (!lat_buf) {
    + mtk_vcodec_err(instance, "Failed to get VP9 lat buf\n");
    + return -EBUSY;
    + }
    + pfc = (struct vdec_vp9_slice_pfc *)lat_buf->private_data;
    + if (!pfc)
    + return -EINVAL;
    + vsi = &pfc->vsi;
    +
    + ret = vdec_vp9_slice_setup_lat(instance, bs, lat_buf, pfc);
    + if (ret) {
    + mtk_vcodec_err(instance, "Failed to setup VP9 lat ret %d\n", ret);
    + return ret;
    + }
    + vdec_vp9_slice_vsi_to_remote(vsi, instance->vsi);
    +
    + ret = vpu_dec_start(&instance->vpu, 0, 0);
    + if (ret) {
    + mtk_vcodec_err(instance, "Failed to dec VP9 ret %d\n", ret);
    + return ret;
    + }
    +
    + if (instance->irq) {
    + ret = mtk_vcodec_wait_for_done_ctx(ctx, MTK_INST_IRQ_RECEIVED,
    + WAIT_INTR_TIMEOUT_MS, MTK_VDEC_LAT0);
    + /* update remote vsi if decode timeout */
    + if (ret) {
    + mtk_vcodec_err(instance, "VP9 decode timeout %d pic %d\n", ret, pfc->seq);
    + writel(1, &instance->vsi->state.timeout);
    + }
    + vpu_dec_end(&instance->vpu);
    + }
    +
    + vdec_vp9_slice_vsi_from_remote(vsi, instance->vsi, 0);
    + ret = vdec_vp9_slice_update_lat(instance, lat_buf, pfc);
    +
    + /* LAT trans full, no more UBE or decode timeout */
    + if (ret) {
    + mtk_vcodec_err(instance, "VP9 decode error: %d\n", ret);
    + return ret;
    + }
    +
    + mtk_vcodec_debug(instance, "lat dma addr: 0x%lx 0x%lx\n",
    + (unsigned long)pfc->vsi.trans.dma_addr,
    + (unsigned long)pfc->vsi.trans.dma_addr_end);
    +
    + vdec_msg_queue_update_ube_wptr(&ctx->msg_queue,
    + vsi->trans.dma_addr_end +
    + ctx->msg_queue.wdma_addr.dma_addr);
    + vdec_msg_queue_qbuf(&ctx->dev->msg_queue_core_ctx, lat_buf);
    +
    + return 0;
    +}
    +
    +static int vdec_vp9_slice_core_decode(struct vdec_lat_buf *lat_buf)
    +{
    + struct vdec_vp9_slice_instance *instance;
    + struct vdec_vp9_slice_pfc *pfc;
    + struct mtk_vcodec_ctx *ctx = NULL;
    + struct vdec_fb *fb = NULL;
    + int ret = -EINVAL;
    +
    + if (!lat_buf)
    + goto err;
    +
    + pfc = lat_buf->private_data;
    + ctx = lat_buf->ctx;
    + if (!pfc || !ctx)
    + goto err;
    +
    + instance = ctx->drv_handle;
    + if (!instance)
    + goto err;
    +
    + fb = ctx->dev->vdec_pdata->get_cap_buffer(ctx);
    + if (!fb) {
    + ret = -EBUSY;
    + goto err;
    + }
    +
    + ret = vdec_vp9_slice_setup_core(instance, fb, lat_buf, pfc);
    + if (ret) {
    + mtk_vcodec_err(instance, "vdec_vp9_slice_setup_core\n");
    + goto err;
    + }
    + vdec_vp9_slice_vsi_to_remote(&pfc->vsi, instance->core_vsi);
    +
    + ret = vpu_dec_core(&instance->vpu);
    + if (ret) {
    + mtk_vcodec_err(instance, "vpu_dec_core\n");
    + goto err;
    + }
    +
    + if (instance->irq) {
    + ret = mtk_vcodec_wait_for_done_ctx(ctx, MTK_INST_IRQ_RECEIVED,
    + WAIT_INTR_TIMEOUT_MS, MTK_VDEC_CORE);
    + /* update remote vsi if decode timeout */
    + if (ret) {
    + mtk_vcodec_err(instance, "VP9 core timeout pic %d\n", pfc->seq);
    + writel(1, &instance->core_vsi->state.timeout);
    + }
    + vpu_dec_core_end(&instance->vpu);
    + }
    +
    + vdec_vp9_slice_vsi_from_remote(&pfc->vsi, instance->core_vsi, 1);
    + ret = vdec_vp9_slice_update_core(instance, lat_buf, pfc);
    + if (ret) {
    + mtk_vcodec_err(instance, "vdec_vp9_slice_update_core\n");
    + goto err;
    + }
    +
    + pfc->vsi.trans.dma_addr_end += ctx->msg_queue.wdma_addr.dma_addr;
    + mtk_vcodec_debug(instance, "core dma_addr_end 0x%lx\n",
    + (unsigned long)pfc->vsi.trans.dma_addr_end);
    + vdec_msg_queue_update_ube_rptr(&ctx->msg_queue, pfc->vsi.trans.dma_addr_end);
    + ctx->dev->vdec_pdata->cap_to_disp(ctx, 0, lat_buf->src_buf_req);
    +
    + return 0;
    +
    +err:
    + if (ctx) {
    + /* always update read pointer */
    + vdec_msg_queue_update_ube_rptr(&ctx->msg_queue, pfc->vsi.trans.dma_addr_end);
    +
    + if (fb)
    + ctx->dev->vdec_pdata->cap_to_disp(ctx, 1, lat_buf->src_buf_req);
    + }
    + return ret;
    +}
    +
    +const struct vdec_common_if vdec_vp9_slice_lat_if = {
    + .init = vdec_vp9_slice_init,
    + .decode = vdec_vp9_slice_lat_decode,
    + .get_param = vdec_vp9_slice_get_param,
    + .deinit = vdec_vp9_slice_deinit,
    +};
    diff --git a/drivers/media/platform/mediatek/vcodec/vdec_drv_if.c b/drivers/media/platform/mediatek/vcodec/vdec_drv_if.c
    index b709c7bae197..27b4b35039cf 100644
    --- a/drivers/media/platform/mediatek/vcodec/vdec_drv_if.c
    +++ b/drivers/media/platform/mediatek/vcodec/vdec_drv_if.c
    @@ -45,6 +45,10 @@ int vdec_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
    ctx->dec_if = &vdec_vp9_if;
    ctx->hw_id = MTK_VDEC_CORE;
    break;
    + case V4L2_PIX_FMT_VP9_FRAME:
    + ctx->dec_if = &vdec_vp9_slice_lat_if;
    + ctx->hw_id = MTK_VDEC_LAT0;
    + break;
    default:
    return -EINVAL;
    }
    diff --git a/drivers/media/platform/mediatek/vcodec/vdec_drv_if.h b/drivers/media/platform/mediatek/vcodec/vdec_drv_if.h
    index 97f6e324e623..076306ff2dd4 100644
    --- a/drivers/media/platform/mediatek/vcodec/vdec_drv_if.h
    +++ b/drivers/media/platform/mediatek/vcodec/vdec_drv_if.h
    @@ -60,6 +60,7 @@ extern const struct vdec_common_if vdec_h264_slice_multi_if;
    extern const struct vdec_common_if vdec_vp8_if;
    extern const struct vdec_common_if vdec_vp8_slice_if;
    extern const struct vdec_common_if vdec_vp9_if;
    +extern const struct vdec_common_if vdec_vp9_slice_lat_if;

    /**
    * vdec_if_init() - initialize decode driver
    --
    2.18.0
    \
     
     \ /
      Last update: 2022-04-26 12:30    [W:4.048 / U:0.136 seconds]
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