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build/patch/kernel/archive/rockchip-5.14/01-linux-2000-v4l-wip-rkvdec-vp9.patch

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添加构建Allwinner H616四核2GB RAM SoC WiFi（蓝莓）
2023-09-19 11:24:52 +08:00
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Boris Brezillon <boris.brezillon@collabora.com>
Date: Mon, 2 Nov 2020 21:05:50 +0200
Subject: [PATCH] media: uapi: Add VP9 stateless decoder controls
Add the VP9 stateless decoder controls plus the documentation that goes
with it.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
---
.../userspace-api/media/v4l/biblio.rst | 10 +
.../media/v4l/ext-ctrls-codec.rst | 1100 +++++++++++++++++
drivers/media/v4l2-core/v4l2-ctrls-core.c | 225 ++++
drivers/media/v4l2-core/v4l2-ctrls-defs.c | 14 +
drivers/media/v4l2-core/v4l2-ioctl.c | 1 +
include/media/v4l2-ctrls.h | 5 +
include/media/vp9-ctrls.h | 486 ++++++++
7 files changed, 1841 insertions(+)
create mode 100644 include/media/vp9-ctrls.h
diff --git a/Documentation/userspace-api/media/v4l/biblio.rst b/Documentation/userspace-api/media/v4l/biblio.rst
index 7b8e6738ff9e..9cd18c153d19 100644
--- a/Documentation/userspace-api/media/v4l/biblio.rst
+++ b/Documentation/userspace-api/media/v4l/biblio.rst
@@ -417,3 +417,13 @@ VP8
:title: RFC 6386: "VP8 Data Format and Decoding Guide"
:author: J. Bankoski et al.
+
+.. _vp9:
+
+VP9
+===
+
+
+:title: VP9 Bitstream & Decoding Process Specification
+
+:author: Adrian Grange (Google), Peter de Rivaz (Argon Design), Jonathan Hunt (Argon Design)
diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
index 8c6e2a11ed95..5dd4afc5f1fe 100644
--- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
@@ -3106,6 +3106,556 @@ enum v4l2_mpeg_video_hevc_size_of_length_field -
- ``padding[2]``
- Applications and drivers must set this to zero.
+.. _v4l2-mpeg-vp9:
+
+``V4L2_CID_MPEG_VIDEO_VP9_FRAME_CONTEXT(0..3) (struct)``
+ Stores VP9 probabilities attached to a specific frame context. The VP9
+ specification allows using a maximum of 4 contexts. Each frame being
+ decoded refers to one of those context. See section '7.1.2 Refresh
+ probs semantics' section of :ref:`vp9` for more details about these
+ contexts.
+
+ This control is bi-directional:
+
+ * all 4 contexts must be initialized by userspace just after the
+ stream is started and before the first decoding request is submitted.
+ * the referenced context might be read by the kernel when a decoding
+ request is submitted, and will be updated after the decoder is done
+ decoding the frame if the `V4L2_VP9_FRAME_FLAG_REFRESH_FRAME_CTX` flag
+ is set.
+ * contexts will be read back by user space before each decoding request
+ to retrieve the updated probabilities.
+ * userspace will re-initialize the context to their default values when
+ a reset context is required.
+
+ .. note::
+
+ This compound control is not yet part of the public kernel API and
+ it is expected to change.
+
+.. c:type:: v4l2_ctrl_vp9_frame_ctx
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{5.8cm}|p{4.8cm}|p{6.6cm}|
+
+.. flat-table:: struct v4l2_ctrl_vp9_frame_ctx
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 1 2
+
+ * - struct :c:type:`v4l2_vp9_probabilities`
+ - ``probs``
+ - Structure with VP9 probabilities attached to the context.
+
+.. c:type:: v4l2_vp9_probabilities
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: struct v4l2_vp9_probabilities
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 1 2
+
+ * - __u8
+ - ``tx8[2][1]``
+ - TX 8x8 probabilities.
+ * - __u8
+ - ``tx16[2][2]``
+ - TX 16x16 probabilities.
+ * - __u8
+ - ``tx32[2][3]``
+ - TX 32x32 probabilities.
+ * - __u8
+ - ``coef[4][2][2][6][6][3]``
+ - Coefficient probabilities.
+ * - __u8
+ - ``skip[3]``
+ - Skip probabilities.
+ * - __u8
+ - ``inter_mode[7][3]``
+ - Inter prediction mode probabilities.
+ * - __u8
+ - ``interp_filter[4][2]``
+ - Interpolation filter probabilities.
+ * - __u8
+ - ``is_inter[4]``
+ - Is inter-block probabilities.
+ * - __u8
+ - ``comp_mode[5]``
+ - Compound prediction mode probabilities.
+ * - __u8
+ - ``single_ref[5][2]``
+ - Single reference probabilities.
+ * - __u8
+ - ``comp_mode[5]``
+ - Compound reference probabilities.
+ * - __u8
+ - ``y_mode[4][9]``
+ - Y prediction mode probabilities.
+ * - __u8
+ - ``uv_mode[10][9]``
+ - UV prediction mode probabilities.
+ * - __u8
+ - ``partition[16][3]``
+ - Partition probabilities.
+ * - __u8
+ - ``mv.joint[3]``
+ - Motion vector joint probabilities.
+ * - __u8
+ - ``mv.sign[2]``
+ - Motion vector sign probabilities.
+ * - __u8
+ - ``mv.class[2][10]``
+ - Motion vector class probabilities.
+ * - __u8
+ - ``mv.class0_bit[2]``
+ - Motion vector class0 bit probabilities.
+ * - __u8
+ - ``mv.bits[2][10]``
+ - Motion vector bits probabilities.
+ * - __u8
+ - ``mv.class0_fr[2][2][3]``
+ - Motion vector class0 fractional bit probabilities.
+ * - __u8
+ - ``mv.fr[2][3]``
+ - Motion vector fractional bit probabilities.
+ * - __u8
+ - ``mv.class0_hp[2]``
+ - Motion vector class0 high precision fractional bit probabilities.
+ * - __u8
+ - ``mv.hp[2]``
+ - Motion vector high precision fractional bit probabilities.
+
+``V4L2_CID_MPEG_VIDEO_VP9_FRAME_DECODE_PARAMS (struct)``
+ Specifies the frame parameters for the associated VP9 frame decode request.
+ This includes the necessary parameters for configuring a stateless hardware
+ decoding pipeline for VP9. The bitstream parameters are defined according
+ to :ref:`vp9`.
+
+ .. note::
+
+ This compound control is not yet part of the public kernel API and
+ it is expected to change.
+
+.. c:type:: v4l2_ctrl_vp9_frame_decode_params
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: struct v4l2_ctrl_vp9_frame_decode_params
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 1 2
+
+ * - __u32
+ - ``flags``
+ - Combination of V4L2_VP9_FRAME_FLAG_* flags. See
+ :c:type:`v4l2_vp9_frame_flags`.
+ * - __u16
+ - ``compressed_header_size``
+ - Compressed header size in bytes.
+ * - __u16
+ - ``uncompressed_header_size``
+ - Uncompressed header size in bytes.
+ * - __u8
+ - ``profile``
+ - VP9 profile. Can be 0, 1, 2 or 3.
+ * - __u8
+ - ``reset_frame_context``
+ - Frame context that should be used/updated when decoding the frame.
+ * - __u8
+ - ``bit_depth``
+ - Component depth in bits. Must be 8 for profile 0 and 1. Must 10 or 12
+ for profile 2 and 3.
+ * - __u8
+ - ``interpolation_filter``
+ - Specifies the filter selection used for performing inter prediction. See
+ :c:type:`v4l2_vp9_interpolation_filter`.
+ * - __u8
+ - ``tile_cols_log2``
+ - Specifies the base 2 logarithm of the width of each tile (where the
+ width is measured in units of 8x8 blocks). Shall be less than or equal
+ to 6.
+ * - __u8
+ - ``tile_rows_log2``
+ - Specifies the base 2 logarithm of the height of each tile (where the
+ height is measured in units of 8x8 blocks)
+ * - __u8
+ - ``tx_mode``
+ - Specifies the TX mode. See :c:type:`v4l2_vp9_tx_mode`.
+ * - __u8
+ - ``reference_mode``
+ - Specifies the type of inter prediction to be used. See
+ :c:type:`v4l2_vp9_reference_mode`.
+ * - __u8
+ - ``padding[7]``
+ - Needed to make this struct 64 bit aligned. Shall be filled with zeroes.
+ * - __u16
+ - ``frame_width_minus_1``
+ - Add 1 to get the frame width expressed in pixels.
+ * - __u16
+ - ``frame_height_minus_1``
+ - Add 1 to get the frame height expressed in pixels.
+ * - __u16
+ - ``frame_width_minus_1``
+ - Add 1 to get the expected render width expressed in pixels. This is
+ not used during the decoding process but might be used by HW scalers to
+ prepare a frame that's ready for scanout.
+ * - __u16
+ - frame_height_minus_1
+ - Add 1 to get the expected render height expressed in pixels. This is
+ not used during the decoding process but might be used by HW scalers to
+ prepare a frame that's ready for scanout.
+ * - __u64
+ - ``refs[3]``
+ - Array of reference frame timestamps.
+ * - struct :c:type:`v4l2_vp9_loop_filter`
+ - ``lf``
+ - Loop filter parameters. See struct :c:type:`v4l2_vp9_loop_filter`.
+ * - struct :c:type:`v4l2_vp9_quantization`
+ - ``quant``
+ - Quantization parameters. See :c:type:`v4l2_vp9_quantization`.
+ * - struct :c:type:`v4l2_vp9_segmentation`
+ - ``seg``
+ - Segmentation parameters. See :c:type:`v4l2_vp9_segmentation`.
+ * - struct :c:type:`v4l2_vp9_probabilities`
+ - ``probs``
+ - Probabilities. See :c:type:`v4l2_vp9_probabilities`.
+
+.. c:type:: v4l2_vp9_frame_flags
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: enum v4l2_vp9_frame_flags
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 2
+
+ * - ``V4L2_VP9_FRAME_FLAG_KEY_FRAME``
+ - The frame is a key frame.
+ * - ``V4L2_VP9_FRAME_FLAG_SHOW_FRAME``
+ - The frame should be displayed.
+ * - ``V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT``
+ - The decoding should be error resilient.
+ * - ``V4L2_VP9_FRAME_FLAG_INTRA_ONLY``
+ - The frame does not reference other frames.
+ * - ``V4L2_VP9_FRAME_FLAG_ALLOW_HIGH_PREC_MV``
+ - the frame might can high precision motion vectors.
+ * - ``V4L2_VP9_FRAME_FLAG_REFRESH_FRAME_CTX``
+ - Frame context should be updated after decoding.
+ * - ``V4L2_VP9_FRAME_FLAG_PARALLEL_DEC_MODE``
+ - Parallel decoding is used.
+ * - ``V4L2_VP9_FRAME_FLAG_X_SUBSAMPLING``
+ - Vertical subsampling is enabled.
+ * - ``V4L2_VP9_FRAME_FLAG_Y_SUBSAMPLING``
+ - Horizontal subsampling is enabled.
+ * - ``V4L2_VP9_FRAME_FLAG_COLOR_RANGE_FULL_SWING``
+ - The full UV range is used.
+
+.. c:type:: v4l2_vp9_ref_id
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: enum v4l2_vp9_ref_id
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 2
+
+ * - ``V4L2_REF_ID_LAST``
+ - Last reference frame.
+ * - ``V4L2_REF_ID_GOLDEN``
+ - Golden reference frame.
+ * - ``V4L2_REF_ID_ALTREF``
+ - Alternative reference frame.
+ * - ``V4L2_REF_ID_CNT``
+ - Number of reference frames.
+
+.. c:type:: v4l2_vp9_tx_mode
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: enum v4l2_vp9_tx_mode
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 2
+
+ * - ``V4L2_VP9_TX_MODE_ONLY_4X4``
+ - Transform size is 4x4.
+ * - ``V4L2_VP9_TX_MODE_ALLOW_8X8``
+ - Transform size can be up to 8x8.
+ * - ``V4L2_VP9_TX_MODE_ALLOW_16X16``
+ - Transform size can be up to 16x16.
+ * - ``V4L2_VP9_TX_MODE_ALLOW_32X32``
+ - transform size can be up to 32x32.
+ * - ``V4L2_VP9_TX_MODE_SELECT``
+ - Bitstream contains transform size for each block.
+
+.. c:type:: v4l2_vp9_reference_mode
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: enum v4l2_vp9_reference_mode
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 2
+
+ * - ``V4L2_VP9_REF_MODE_SINGLE``
+ - Indicates that all the inter blocks use only a single reference frame
+ to generate motion compensated prediction.
+ * - ``V4L2_VP9_REF_MODE_COMPOUND``
+ - Requires all the inter blocks to use compound mode. Single reference
+ frame prediction is not allowed.
+ * - ``V4L2_VP9_REF_MODE_SELECT``
+ - Allows each individual inter block to select between single and
+ compound prediction modes.
+
+.. c:type:: v4l2_vp9_interpolation_filter
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: enum v4l2_vp9_interpolation_filter
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 2
+
+ * - ``V4L2_VP9_INTERP_FILTER_8TAP``
+ - Height tap filter.
+ * - ``V4L2_VP9_INTERP_FILTER_8TAP_SMOOTH``
+ - Height tap smooth filter.
+ * - ``V4L2_VP9_INTERP_FILTER_8TAP_SHARP``
+ - Height tap sharp filter.
+ * - ``V4L2_VP9_INTERP_FILTER_BILINEAR``
+ - Bilinear filter.
+ * - ``V4L2_VP9_INTERP_FILTER_SWITCHABLE``
+ - Filter selection is signaled at the block level.
+
+.. c:type:: v4l2_vp9_reset_frame_context
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: enum v4l2_vp9_reset_frame_context
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 2
+
+ * - ``V4L2_VP9_RESET_FRAME_CTX_NONE``
+ - Do not reset any frame context.
+ * - ``V4L2_VP9_RESET_FRAME_CTX_SPEC``
+ - Reset the frame context pointed by
+ :c:type:`v4l2_ctrl_vp9_frame_decode_params`.frame_context_idx.
+ * - ``V4L2_VP9_RESET_FRAME_CTX_ALL``
+ - Reset all frame contexts.
+
+.. c:type:: v4l2_vp9_intra_prediction_mode
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: enum v4l2_vp9_intra_prediction_mode
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 2
+
+ * - ``V4L2_VP9_INTRA_PRED_DC``
+ - DC intra prediction.
+ * - ``V4L2_VP9_INTRA_PRED_MODE_V``
+ - Vertical intra prediction.
+ * - ``V4L2_VP9_INTRA_PRED_MODE_H``
+ - Horizontal intra prediction.
+ * - ``V4L2_VP9_INTRA_PRED_MODE_D45``
+ - D45 intra prediction.
+ * - ``V4L2_VP9_INTRA_PRED_MODE_D135``
+ - D135 intra prediction.
+ * - ``V4L2_VP9_INTRA_PRED_MODE_D117``
+ - D117 intra prediction.
+ * - ``V4L2_VP9_INTRA_PRED_MODE_D153``
+ - D153 intra prediction.
+ * - ``V4L2_VP9_INTRA_PRED_MODE_D207``
+ - D207 intra prediction.
+ * - ``V4L2_VP9_INTRA_PRED_MODE_D63``
+ - D63 intra prediction.
+ * - ``V4L2_VP9_INTRA_PRED_MODE_TM``
+ - True motion intra prediction.
+
+.. c:type:: v4l2_vp9_segmentation
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: struct v4l2_vp9_segmentation
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 1 2
+
+ * - __u8
+ - ``flags``
+ - Combination of V4L2_VP9_SEGMENTATION_FLAG_* flags. See
+ :c:type:`v4l2_vp9_segmentation_flags`.
+ * - __u8
+ - ``tree_probs[7]``
+ - Specifies the probability values to be used when decoding a Segment-ID.
+ See '5.15. Segmentation map' section of :ref:`vp9` for more details.
+ * - __u8
+ - ``pred_prob[3]``
+ - Specifies the probability values to be used when decoding a
+ Predicted-Segment-ID. See '6.4.14. Get segment id syntax'
+ section of :ref:`vp9` for more details.
+ * - __u8
+ - ``padding[5]``
+ - Used to align this struct on 64 bit. Shall be filled with zeroes.
+ * - __u8
+ - ``feature_enabled[8]``
+ - Bitmask defining which features are enabled in each segment.
+ * - __u8
+ - ``feature_data[8][4]``
+ - Data attached to each feature. Data entry is only valid if the feature
+ is enabled.
+
+.. c:type:: v4l2_vp9_segment_feature
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: enum v4l2_vp9_segment_feature
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 2
+
+ * - ``V4L2_VP9_SEGMENT_FEATURE_QP_DELTA``
+ - QP delta segment feature.
+ * - ``V4L2_VP9_SEGMENT_FEATURE_LF``
+ - Loop filter segment feature.
+ * - ``V4L2_VP9_SEGMENT_FEATURE_REF_FRAME``
+ - Reference frame segment feature.
+ * - ``V4L2_VP9_SEGMENT_FEATURE_SKIP``
+ - Skip segment feature.
+ * - ``V4L2_VP9_SEGMENT_FEATURE_CNT``
+ - Number of segment features.
+
+.. c:type:: v4l2_vp9_segmentation_flags
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: enum v4l2_vp9_segmentation_flags
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 2
+
+ * - ``V4L2_VP9_SEGMENTATION_FLAG_ENABLED``
+ - Indicates that this frame makes use of the segmentation tool.
+ * - ``V4L2_VP9_SEGMENTATION_FLAG_UPDATE_MAP``
+ - Indicates that the segmentation map should be updated during the
+ decoding of this frame.
+ * - ``V4L2_VP9_SEGMENTATION_FLAG_TEMPORAL_UPDATE``
+ - Indicates that the updates to the segmentation map are coded
+ relative to the existing segmentation map.
+ * - ``V4L2_VP9_SEGMENTATION_FLAG_UPDATE_DATA``
+ - Indicates that new parameters are about to be specified for each
+ segment.
+ * - ``V4L2_VP9_SEGMENTATION_FLAG_ABS_OR_DELTA_UPDATE``
+ - Indicates that the segmentation parameters represent the actual values
+ to be used.
+
+.. c:type:: v4l2_vp9_quantization
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: struct v4l2_vp9_quantization
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 1 2
+
+ * - __u8
+ - ``base_q_idx``
+ - Indicates the base frame qindex.
+ * - __s8
+ - ``delta_q_y_dc``
+ - Indicates the Y DC quantizer relative to base_q_idx.
+ * - __s8
+ - ``delta_q_uv_dc``
+ - Indicates the UV DC quantizer relative to base_q_idx.
+ * - __s8
+ - ``delta_q_uv_ac``
+ - Indicates the UV AC quantizer relative to base_q_idx.
+ * - __u8
+ - ``padding[4]``
+ - Padding bytes used to align this struct on 64 bit. Must be set to 0.
+
+.. c:type:: v4l2_vp9_loop_filter
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: struct v4l2_vp9_loop_filter
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 1 2
+
+ * - __u8
+ - ``flags``
+ - Combination of V4L2_VP9_LOOP_FILTER_FLAG_* flags.
+ See :c:type:`v4l2_vp9_loop_filter_flags`.
+ * - __u8
+ - ``level``
+ - Indicates the loop filter strength.
+ * - __u8
+ - ``sharpness``
+ - Indicates the sharpness level.
+ * - __s8
+ - ``ref_deltas[4]``
+ - Contains the adjustment needed for the filter level based on the chosen
+ reference frame.
+ * - __s8
+ - ``mode_deltas[2]``
+ - Contains the adjustment needed for the filter level based on the chosen
+ mode
+ * - __u8
+ - ``level_lookup[8][4][2]``
+ - Level lookup table.
+
+
+.. c:type:: v4l2_vp9_loop_filter_flags
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: enum v4l2_vp9_loop_filter_flags
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 2
+
+ * - ``V4L2_VP9_LOOP_FILTER_FLAG_DELTA_ENABLED``
+ - When set, the filter level depends on the mode and reference frame used
+ to predict a block.
+ * - ``V4L2_VP9_LOOP_FILTER_FLAG_DELTA_UPDATE``
+ - When set, the bitstream contains additional syntax elements that
+ specify which mode and reference frame deltas are to be updated.
+
.. raw:: latex
\normalsize
@@ -3157,6 +3707,556 @@ enum v4l2_mpeg_video_hevc_size_of_length_field -
- ``padding[6]``
- Applications and drivers must set this to zero.
+.. _v4l2-mpeg-vp9:
+
+``V4L2_CID_MPEG_VIDEO_VP9_FRAME_CONTEXT(0..3) (struct)``
+ Stores VP9 probabilities attached to a specific frame context. The VP9
+ specification allows using a maximum of 4 contexts. Each frame being
+ decoded refers to one of those context. See section '7.1.2 Refresh
+ probs semantics' section of :ref:`vp9` for more details about these
+ contexts.
+
+ This control is bi-directional:
+
+ * all 4 contexts must be initialized by userspace just after the
+ stream is started and before the first decoding request is submitted.
+ * the referenced context might be read by the kernel when a decoding
+ request is submitted, and will be updated after the decoder is done
+ decoding the frame if the `V4L2_VP9_FRAME_FLAG_REFRESH_FRAME_CTX` flag
+ is set.
+ * contexts will be read back by user space before each decoding request
+ to retrieve the updated probabilities.
+ * userspace will re-initialize the context to their default values when
+ a reset context is required.
+
+ .. note::
+
+ This compound control is not yet part of the public kernel API and
+ it is expected to change.
+
+.. c:type:: v4l2_ctrl_vp9_frame_ctx
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{5.8cm}|p{4.8cm}|p{6.6cm}|
+
+.. flat-table:: struct v4l2_ctrl_vp9_frame_ctx
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 1 2
+
+ * - struct :c:type:`v4l2_vp9_probabilities`
+ - ``probs``
+ - Structure with VP9 probabilities attached to the context.
+
+.. c:type:: v4l2_vp9_probabilities
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: struct v4l2_vp9_probabilities
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 1 2
+
+ * - __u8
+ - ``tx8[2][1]``
+ - TX 8x8 probabilities.
+ * - __u8
+ - ``tx16[2][2]``
+ - TX 16x16 probabilities.
+ * - __u8
+ - ``tx32[2][3]``
+ - TX 32x32 probabilities.
+ * - __u8
+ - ``coef[4][2][2][6][6][3]``
+ - Coefficient probabilities.
+ * - __u8
+ - ``skip[3]``
+ - Skip probabilities.
+ * - __u8
+ - ``inter_mode[7][3]``
+ - Inter prediction mode probabilities.
+ * - __u8
+ - ``interp_filter[4][2]``
+ - Interpolation filter probabilities.
+ * - __u8
+ - ``is_inter[4]``
+ - Is inter-block probabilities.
+ * - __u8
+ - ``comp_mode[5]``
+ - Compound prediction mode probabilities.
+ * - __u8
+ - ``single_ref[5][2]``
+ - Single reference probabilities.
+ * - __u8
+ - ``comp_mode[5]``
+ - Compound reference probabilities.
+ * - __u8
+ - ``y_mode[4][9]``
+ - Y prediction mode probabilities.
+ * - __u8
+ - ``uv_mode[10][9]``
+ - UV prediction mode probabilities.
+ * - __u8
+ - ``partition[16][3]``
+ - Partition probabilities.
+ * - __u8
+ - ``mv.joint[3]``
+ - Motion vector joint probabilities.
+ * - __u8
+ - ``mv.sign[2]``
+ - Motion vector sign probabilities.
+ * - __u8
+ - ``mv.class[2][10]``
+ - Motion vector class probabilities.
+ * - __u8
+ - ``mv.class0_bit[2]``
+ - Motion vector class0 bit probabilities.
+ * - __u8
+ - ``mv.bits[2][10]``
+ - Motion vector bits probabilities.
+ * - __u8
+ - ``mv.class0_fr[2][2][3]``
+ - Motion vector class0 fractional bit probabilities.
+ * - __u8
+ - ``mv.fr[2][3]``
+ - Motion vector fractional bit probabilities.
+ * - __u8
+ - ``mv.class0_hp[2]``
+ - Motion vector class0 high precision fractional bit probabilities.
+ * - __u8
+ - ``mv.hp[2]``
+ - Motion vector high precision fractional bit probabilities.
+
+``V4L2_CID_MPEG_VIDEO_VP9_FRAME_DECODE_PARAMS (struct)``
+ Specifies the frame parameters for the associated VP9 frame decode request.
+ This includes the necessary parameters for configuring a stateless hardware
+ decoding pipeline for VP9. The bitstream parameters are defined according
+ to :ref:`vp9`.
+
+ .. note::
+
+ This compound control is not yet part of the public kernel API and
+ it is expected to change.
+
+.. c:type:: v4l2_ctrl_vp9_frame_decode_params
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: struct v4l2_ctrl_vp9_frame_decode_params
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 1 2
+
+ * - __u32
+ - ``flags``
+ - Combination of V4L2_VP9_FRAME_FLAG_* flags. See
+ :c:type:`v4l2_vp9_frame_flags`.
+ * - __u16
+ - ``compressed_header_size``
+ - Compressed header size in bytes.
+ * - __u16
+ - ``uncompressed_header_size``
+ - Uncompressed header size in bytes.
+ * - __u8
+ - ``profile``
+ - VP9 profile. Can be 0, 1, 2 or 3.
+ * - __u8
+ - ``reset_frame_context``
+ - Frame context that should be used/updated when decoding the frame.
+ * - __u8
+ - ``bit_depth``
+ - Component depth in bits. Must be 8 for profile 0 and 1. Must 10 or 12
+ for profile 2 and 3.
+ * - __u8
+ - ``interpolation_filter``
+ - Specifies the filter selection used for performing inter prediction. See
+ :c:type:`v4l2_vp9_interpolation_filter`.
+ * - __u8
+ - ``tile_cols_log2``
+ - Specifies the base 2 logarithm of the width of each tile (where the
+ width is measured in units of 8x8 blocks). Shall be less than or equal
+ to 6.
+ * - __u8
+ - ``tile_rows_log2``
+ - Specifies the base 2 logarithm of the height of each tile (where the
+ height is measured in units of 8x8 blocks)
+ * - __u8
+ - ``tx_mode``
+ - Specifies the TX mode. See :c:type:`v4l2_vp9_tx_mode`.
+ * - __u8
+ - ``reference_mode``
+ - Specifies the type of inter prediction to be used. See
+ :c:type:`v4l2_vp9_reference_mode`.
+ * - __u8
+ - ``padding[7]``
+ - Needed to make this struct 64 bit aligned. Shall be filled with zeroes.
+ * - __u16
+ - ``frame_width_minus_1``
+ - Add 1 to get the frame width expressed in pixels.
+ * - __u16
+ - ``frame_height_minus_1``
+ - Add 1 to get the frame height expressed in pixels.
+ * - __u16
+ - ``frame_width_minus_1``
+ - Add 1 to get the expected render width expressed in pixels. This is
+ not used during the decoding process but might be used by HW scalers to
+ prepare a frame that's ready for scanout.
+ * - __u16
+ - frame_height_minus_1
+ - Add 1 to get the expected render height expressed in pixels. This is
+ not used during the decoding process but might be used by HW scalers to
+ prepare a frame that's ready for scanout.
+ * - __u64
+ - ``refs[3]``
+ - Array of reference frame timestamps.
+ * - struct :c:type:`v4l2_vp9_loop_filter`
+ - ``lf``
+ - Loop filter parameters. See struct :c:type:`v4l2_vp9_loop_filter`.
+ * - struct :c:type:`v4l2_vp9_quantization`
+ - ``quant``
+ - Quantization parameters. See :c:type:`v4l2_vp9_quantization`.
+ * - struct :c:type:`v4l2_vp9_segmentation`
+ - ``seg``
+ - Segmentation parameters. See :c:type:`v4l2_vp9_segmentation`.
+ * - struct :c:type:`v4l2_vp9_probabilities`
+ - ``probs``
+ - Probabilities. See :c:type:`v4l2_vp9_probabilities`.
+
+.. c:type:: v4l2_vp9_frame_flags
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: enum v4l2_vp9_frame_flags
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 2
+
+ * - ``V4L2_VP9_FRAME_FLAG_KEY_FRAME``
+ - The frame is a key frame.
+ * - ``V4L2_VP9_FRAME_FLAG_SHOW_FRAME``
+ - The frame should be displayed.
+ * - ``V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT``
+ - The decoding should be error resilient.
+ * - ``V4L2_VP9_FRAME_FLAG_INTRA_ONLY``
+ - The frame does not reference other frames.
+ * - ``V4L2_VP9_FRAME_FLAG_ALLOW_HIGH_PREC_MV``
+ - the frame might can high precision motion vectors.
+ * - ``V4L2_VP9_FRAME_FLAG_REFRESH_FRAME_CTX``
+ - Frame context should be updated after decoding.
+ * - ``V4L2_VP9_FRAME_FLAG_PARALLEL_DEC_MODE``
+ - Parallel decoding is used.
+ * - ``V4L2_VP9_FRAME_FLAG_X_SUBSAMPLING``
+ - Vertical subsampling is enabled.
+ * - ``V4L2_VP9_FRAME_FLAG_Y_SUBSAMPLING``
+ - Horizontal subsampling is enabled.
+ * - ``V4L2_VP9_FRAME_FLAG_COLOR_RANGE_FULL_SWING``
+ - The full UV range is used.
+
+.. c:type:: v4l2_vp9_ref_id
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: enum v4l2_vp9_ref_id
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 2
+
+ * - ``V4L2_REF_ID_LAST``
+ - Last reference frame.
+ * - ``V4L2_REF_ID_GOLDEN``
+ - Golden reference frame.
+ * - ``V4L2_REF_ID_ALTREF``
+ - Alternative reference frame.
+ * - ``V4L2_REF_ID_CNT``
+ - Number of reference frames.
+
+.. c:type:: v4l2_vp9_tx_mode
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: enum v4l2_vp9_tx_mode
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 2
+
+ * - ``V4L2_VP9_TX_MODE_ONLY_4X4``
+ - Transform size is 4x4.
+ * - ``V4L2_VP9_TX_MODE_ALLOW_8X8``
+ - Transform size can be up to 8x8.
+ * - ``V4L2_VP9_TX_MODE_ALLOW_16X16``
+ - Transform size can be up to 16x16.
+ * - ``V4L2_VP9_TX_MODE_ALLOW_32X32``
+ - transform size can be up to 32x32.
+ * - ``V4L2_VP9_TX_MODE_SELECT``
+ - Bitstream contains transform size for each block.
+
+.. c:type:: v4l2_vp9_reference_mode
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: enum v4l2_vp9_reference_mode
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 2
+
+ * - ``V4L2_VP9_REF_MODE_SINGLE``
+ - Indicates that all the inter blocks use only a single reference frame
+ to generate motion compensated prediction.
+ * - ``V4L2_VP9_REF_MODE_COMPOUND``
+ - Requires all the inter blocks to use compound mode. Single reference
+ frame prediction is not allowed.
+ * - ``V4L2_VP9_REF_MODE_SELECT``
+ - Allows each individual inter block to select between single and
+ compound prediction modes.
+
+.. c:type:: v4l2_vp9_interpolation_filter
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: enum v4l2_vp9_interpolation_filter
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 2
+
+ * - ``V4L2_VP9_INTERP_FILTER_8TAP``
+ - Height tap filter.
+ * - ``V4L2_VP9_INTERP_FILTER_8TAP_SMOOTH``
+ - Height tap smooth filter.
+ * - ``V4L2_VP9_INTERP_FILTER_8TAP_SHARP``
+ - Height tap sharp filter.
+ * - ``V4L2_VP9_INTERP_FILTER_BILINEAR``
+ - Bilinear filter.
+ * - ``V4L2_VP9_INTERP_FILTER_SWITCHABLE``
+ - Filter selection is signaled at the block level.
+
+.. c:type:: v4l2_vp9_reset_frame_context
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: enum v4l2_vp9_reset_frame_context
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 2
+
+ * - ``V4L2_VP9_RESET_FRAME_CTX_NONE``
+ - Do not reset any frame context.
+ * - ``V4L2_VP9_RESET_FRAME_CTX_SPEC``
+ - Reset the frame context pointed by
+ :c:type:`v4l2_ctrl_vp9_frame_decode_params`.frame_context_idx.
+ * - ``V4L2_VP9_RESET_FRAME_CTX_ALL``
+ - Reset all frame contexts.
+
+.. c:type:: v4l2_vp9_intra_prediction_mode
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: enum v4l2_vp9_intra_prediction_mode
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 2
+
+ * - ``V4L2_VP9_INTRA_PRED_DC``
+ - DC intra prediction.
+ * - ``V4L2_VP9_INTRA_PRED_MODE_V``
+ - Vertical intra prediction.
+ * - ``V4L2_VP9_INTRA_PRED_MODE_H``
+ - Horizontal intra prediction.
+ * - ``V4L2_VP9_INTRA_PRED_MODE_D45``
+ - D45 intra prediction.
+ * - ``V4L2_VP9_INTRA_PRED_MODE_D135``
+ - D135 intra prediction.
+ * - ``V4L2_VP9_INTRA_PRED_MODE_D117``
+ - D117 intra prediction.
+ * - ``V4L2_VP9_INTRA_PRED_MODE_D153``
+ - D153 intra prediction.
+ * - ``V4L2_VP9_INTRA_PRED_MODE_D207``
+ - D207 intra prediction.
+ * - ``V4L2_VP9_INTRA_PRED_MODE_D63``
+ - D63 intra prediction.
+ * - ``V4L2_VP9_INTRA_PRED_MODE_TM``
+ - True motion intra prediction.
+
+.. c:type:: v4l2_vp9_segmentation
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: struct v4l2_vp9_segmentation
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 1 2
+
+ * - __u8
+ - ``flags``
+ - Combination of V4L2_VP9_SEGMENTATION_FLAG_* flags. See
+ :c:type:`v4l2_vp9_segmentation_flags`.
+ * - __u8
+ - ``tree_probs[7]``
+ - Specifies the probability values to be used when decoding a Segment-ID.
+ See '5.15. Segmentation map' section of :ref:`vp9` for more details.
+ * - __u8
+ - ``pred_prob[3]``
+ - Specifies the probability values to be used when decoding a
+ Predicted-Segment-ID. See '6.4.14. Get segment id syntax'
+ section of :ref:`vp9` for more details.
+ * - __u8
+ - ``padding[5]``
+ - Used to align this struct on 64 bit. Shall be filled with zeroes.
+ * - __u8
+ - ``feature_enabled[8]``
+ - Bitmask defining which features are enabled in each segment.
+ * - __u8
+ - ``feature_data[8][4]``
+ - Data attached to each feature. Data entry is only valid if the feature
+ is enabled.
+
+.. c:type:: v4l2_vp9_segment_feature
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: enum v4l2_vp9_segment_feature
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 2
+
+ * - ``V4L2_VP9_SEGMENT_FEATURE_QP_DELTA``
+ - QP delta segment feature.
+ * - ``V4L2_VP9_SEGMENT_FEATURE_LF``
+ - Loop filter segment feature.
+ * - ``V4L2_VP9_SEGMENT_FEATURE_REF_FRAME``
+ - Reference frame segment feature.
+ * - ``V4L2_VP9_SEGMENT_FEATURE_SKIP``
+ - Skip segment feature.
+ * - ``V4L2_VP9_SEGMENT_FEATURE_CNT``
+ - Number of segment features.
+
+.. c:type:: v4l2_vp9_segmentation_flags
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: enum v4l2_vp9_segmentation_flags
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 2
+
+ * - ``V4L2_VP9_SEGMENTATION_FLAG_ENABLED``
+ - Indicates that this frame makes use of the segmentation tool.
+ * - ``V4L2_VP9_SEGMENTATION_FLAG_UPDATE_MAP``
+ - Indicates that the segmentation map should be updated during the
+ decoding of this frame.
+ * - ``V4L2_VP9_SEGMENTATION_FLAG_TEMPORAL_UPDATE``
+ - Indicates that the updates to the segmentation map are coded
+ relative to the existing segmentation map.
+ * - ``V4L2_VP9_SEGMENTATION_FLAG_UPDATE_DATA``
+ - Indicates that new parameters are about to be specified for each
+ segment.
+ * - ``V4L2_VP9_SEGMENTATION_FLAG_ABS_OR_DELTA_UPDATE``
+ - Indicates that the segmentation parameters represent the actual values
+ to be used.
+
+.. c:type:: v4l2_vp9_quantization
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: struct v4l2_vp9_quantization
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 1 2
+
+ * - __u8
+ - ``base_q_idx``
+ - Indicates the base frame qindex.
+ * - __s8
+ - ``delta_q_y_dc``
+ - Indicates the Y DC quantizer relative to base_q_idx.
+ * - __s8
+ - ``delta_q_uv_dc``
+ - Indicates the UV DC quantizer relative to base_q_idx.
+ * - __s8
+ - ``delta_q_uv_ac``
+ - Indicates the UV AC quantizer relative to base_q_idx.
+ * - __u8
+ - ``padding[4]``
+ - Padding bytes used to align this struct on 64 bit. Must be set to 0.
+
+.. c:type:: v4l2_vp9_loop_filter
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: struct v4l2_vp9_loop_filter
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 1 2
+
+ * - __u8
+ - ``flags``
+ - Combination of V4L2_VP9_LOOP_FILTER_FLAG_* flags.
+ See :c:type:`v4l2_vp9_loop_filter_flags`.
+ * - __u8
+ - ``level``
+ - Indicates the loop filter strength.
+ * - __u8
+ - ``sharpness``
+ - Indicates the sharpness level.
+ * - __s8
+ - ``ref_deltas[4]``
+ - Contains the adjustment needed for the filter level based on the chosen
+ reference frame.
+ * - __s8
+ - ``mode_deltas[2]``
+ - Contains the adjustment needed for the filter level based on the chosen
+ mode
+ * - __u8
+ - ``level_lookup[8][4][2]``
+ - Level lookup table.
+
+
+.. c:type:: v4l2_vp9_loop_filter_flags
+
+.. cssclass:: longtable
+
+.. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
+
+.. flat-table:: enum v4l2_vp9_loop_filter_flags
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 2
+
+ * - ``V4L2_VP9_LOOP_FILTER_FLAG_DELTA_ENABLED``
+ - When set, the filter level depends on the mode and reference frame used
+ to predict a block.
+ * - ``V4L2_VP9_LOOP_FILTER_FLAG_DELTA_UPDATE``
+ - When set, the bitstream contains additional syntax elements that
+ specify which mode and reference frame deltas are to be updated.
+
.. raw:: latex
\normalsize
diff --git a/drivers/media/v4l2-core/v4l2-ctrls-core.c b/drivers/media/v4l2-core/v4l2-ctrls-core.c
index c4b5082849b6..b4802c9989fd 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls-core.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls-core.c
@@ -289,6 +289,219 @@ static void std_log(const struct v4l2_ctrl *ctrl)
}
}
+static int
+validate_vp9_lf_params(struct v4l2_vp9_loop_filter *lf)
+{
+ unsigned int i, j, k;
+
+ if (lf->flags &
+ ~(V4L2_VP9_LOOP_FILTER_FLAG_DELTA_ENABLED |
+ V4L2_VP9_LOOP_FILTER_FLAG_DELTA_UPDATE))
+ return -EINVAL;
+
+ /*
+ * V4L2_VP9_LOOP_FILTER_FLAG_DELTA_ENABLED implies
+ * V4L2_VP9_LOOP_FILTER_FLAG_DELTA_UPDATE.
+ */
+ if (lf->flags & V4L2_VP9_LOOP_FILTER_FLAG_DELTA_UPDATE &&
+ !(lf->flags & V4L2_VP9_LOOP_FILTER_FLAG_DELTA_ENABLED))
+ return -EINVAL;
+
+ /* That all values are in the accepted range. */
+ if (lf->level > GENMASK(5, 0))
+ return -EINVAL;
+
+ if (lf->sharpness > GENMASK(2, 0))
+ return -EINVAL;
+
+ for (i = 0; i < ARRAY_SIZE(lf->ref_deltas); i++) {
+ if (lf->ref_deltas[i] < -63 || lf->ref_deltas[i] > 63)
+ return -EINVAL;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(lf->mode_deltas); i++) {
+ if (lf->mode_deltas[i] < -63 || lf->mode_deltas[i] > 63)
+ return -EINVAL;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(lf->level_lookup); i++) {
+ for (j = 0; j < ARRAY_SIZE(lf->level_lookup[0]); j++) {
+ for (k = 0; k < ARRAY_SIZE(lf->level_lookup[0][0]); k++) {
+ if (lf->level_lookup[i][j][k] > 63)
+ return -EINVAL;
+ }
+ }
+ }
+
+ return 0;
+}
+
+static int
+validate_vp9_quant_params(struct v4l2_vp9_quantization *quant)
+{
+ if (quant->delta_q_y_dc < -15 || quant->delta_q_y_dc > 15 ||
+ quant->delta_q_uv_dc < -15 || quant->delta_q_uv_dc > 15 ||
+ quant->delta_q_uv_ac < -15 || quant->delta_q_uv_ac > 15)
+ return -EINVAL;
+
+ memset(quant->padding, 0, sizeof(quant->padding));
+ return 0;
+}
+
+static int
+validate_vp9_seg_params(struct v4l2_vp9_segmentation *seg)
+{
+ unsigned int i, j;
+
+ if (seg->flags &
+ ~(V4L2_VP9_SEGMENTATION_FLAG_ENABLED |
+ V4L2_VP9_SEGMENTATION_FLAG_UPDATE_MAP |
+ V4L2_VP9_SEGMENTATION_FLAG_TEMPORAL_UPDATE |
+ V4L2_VP9_SEGMENTATION_FLAG_UPDATE_DATA |
+ V4L2_VP9_SEGMENTATION_FLAG_ABS_OR_DELTA_UPDATE))
+ return -EINVAL;
+
+ /*
+ * V4L2_VP9_SEGMENTATION_FLAG_UPDATE_MAP and
+ * V4L2_VP9_SEGMENTATION_FLAG_UPDATE_DATA imply
+ * V4L2_VP9_SEGMENTATION_FLAG_ENABLED.
+ */
+ if ((seg->flags &
+ (V4L2_VP9_SEGMENTATION_FLAG_UPDATE_MAP |
+ V4L2_VP9_SEGMENTATION_FLAG_UPDATE_DATA)) &&
+ !(seg->flags & V4L2_VP9_SEGMENTATION_FLAG_ENABLED))
+ return -EINVAL;
+
+ /*
+ * V4L2_VP9_SEGMENTATION_FLAG_TEMPORAL_UPDATE implies
+ * V4L2_VP9_SEGMENTATION_FLAG_UPDATE_MAP.
+ */
+ if (seg->flags & V4L2_VP9_SEGMENTATION_FLAG_TEMPORAL_UPDATE &&
+ !(seg->flags & V4L2_VP9_SEGMENTATION_FLAG_UPDATE_MAP))
+ return -EINVAL;
+
+ /*
+ * V4L2_VP9_SEGMENTATION_FLAG_ABS_OR_DELTA_UPDATE implies
+ * V4L2_VP9_SEGMENTATION_FLAG_UPDATE_DATA.
+ */
+ if (seg->flags & V4L2_VP9_SEGMENTATION_FLAG_ABS_OR_DELTA_UPDATE &&
+ !(seg->flags & V4L2_VP9_SEGMENTATION_FLAG_UPDATE_DATA))
+ return -EINVAL;
+
+ for (i = 0; i < ARRAY_SIZE(seg->feature_enabled); i++) {
+ if (seg->feature_enabled[i] &
+ ~(V4L2_VP9_SEGMENT_FEATURE_QP_DELTA |
+ V4L2_VP9_SEGMENT_FEATURE_LF |
+ V4L2_VP9_SEGMENT_FEATURE_REF_FRAME |
+ V4L2_VP9_SEGMENT_FEATURE_SKIP))
+ return -EINVAL;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(seg->feature_data); i++) {
+ const int range[] = {255, 63, 3, 0};
+
+ for (j = 0; j < ARRAY_SIZE(seg->feature_data[j]); j++) {
+ if (seg->feature_data[i][j] < -range[j] ||
+ seg->feature_data[i][j] > range[j])
+ return -EINVAL;
+ }
+ }
+
+ memset(seg->padding, 0, sizeof(seg->padding));
+ return 0;
+}
+
+static int
+validate_vp9_frame_decode_params(struct v4l2_ctrl_vp9_frame_decode_params *dec_params)
+{
+ int ret;
+
+ /* Make sure we're not passed invalid flags. */
+ if (dec_params->flags &
+ ~(V4L2_VP9_FRAME_FLAG_KEY_FRAME |
+ V4L2_VP9_FRAME_FLAG_SHOW_FRAME |
+ V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT |
+ V4L2_VP9_FRAME_FLAG_INTRA_ONLY |
+ V4L2_VP9_FRAME_FLAG_ALLOW_HIGH_PREC_MV |
+ V4L2_VP9_FRAME_FLAG_REFRESH_FRAME_CTX |
+ V4L2_VP9_FRAME_FLAG_PARALLEL_DEC_MODE |
+ V4L2_VP9_FRAME_FLAG_X_SUBSAMPLING |
+ V4L2_VP9_FRAME_FLAG_Y_SUBSAMPLING |
+ V4L2_VP9_FRAME_FLAG_COLOR_RANGE_FULL_SWING))
+ return -EINVAL;
+
+ /*
+ * The refresh context and error resilient flags are mutually exclusive.
+ * Same goes for parallel decoding and error resilient modes.
+ */
+ if (dec_params->flags & V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT &&
+ dec_params->flags &
+ (V4L2_VP9_FRAME_FLAG_REFRESH_FRAME_CTX |
+ V4L2_VP9_FRAME_FLAG_PARALLEL_DEC_MODE))
+ return -EINVAL;
+
+ if (dec_params->profile > V4L2_VP9_PROFILE_MAX)
+ return -EINVAL;
+
+ if (dec_params->reset_frame_context > V4L2_VP9_RESET_FRAME_CTX_ALL)
+ return -EINVAL;
+
+ if (dec_params->frame_context_idx >= V4L2_VP9_NUM_FRAME_CTX)
+ return -EINVAL;
+
+ /*
+ * Profiles 0 and 1 only support 8-bit depth, profiles 2 and 3 only 10
+ * and 12 bit depths.
+ */
+ if ((dec_params->profile < 2 && dec_params->bit_depth != 8) ||
+ (dec_params->profile >= 2 &&
+ (dec_params->bit_depth != 10 && dec_params->bit_depth != 12)))
+ return -EINVAL;
+
+ /* Profile 0 and 2 only accept YUV 4:2:0. */
+ if ((dec_params->profile == 0 || dec_params->profile == 2) &&
+ (!(dec_params->flags & V4L2_VP9_FRAME_FLAG_X_SUBSAMPLING) ||
+ !(dec_params->flags & V4L2_VP9_FRAME_FLAG_Y_SUBSAMPLING)))
+ return -EINVAL;
+
+ /* Profile 1 and 3 only accept YUV 4:2:2, 4:4:0 and 4:4:4. */
+ if ((dec_params->profile == 1 || dec_params->profile == 3) &&
+ ((dec_params->flags & V4L2_VP9_FRAME_FLAG_X_SUBSAMPLING) &&
+ (dec_params->flags & V4L2_VP9_FRAME_FLAG_Y_SUBSAMPLING)))
+ return -EINVAL;
+
+ if (dec_params->interpolation_filter > V4L2_VP9_INTERP_FILTER_SWITCHABLE)
+ return -EINVAL;
+
+ /*
+ * According to the spec, tile_cols_log2 shall be less than or equal
+ * to 6.
+ */
+ if (dec_params->tile_cols_log2 > 6)
+ return -EINVAL;
+
+ if (dec_params->tx_mode > V4L2_VP9_TX_MODE_SELECT)
+ return -EINVAL;
+
+ if (dec_params->reference_mode > V4L2_VP9_REF_MODE_SELECT)
+ return -EINVAL;
+
+ ret = validate_vp9_lf_params(&dec_params->lf);
+ if (ret)
+ return ret;
+
+ ret = validate_vp9_quant_params(&dec_params->quant);
+ if (ret)
+ return ret;
+
+ ret = validate_vp9_seg_params(&dec_params->seg);
+ if (ret)
+ return ret;
+
+ memset(dec_params->padding, 0, sizeof(dec_params->padding));
+ return 0;
+}
+
/*
* Round towards the closest legal value. Be careful when we are
* close to the maximum range of the control type to prevent
@@ -574,6 +787,12 @@ static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx,
zero_padding(p_vp8_frame->coder_state);
break;
+ case V4L2_CTRL_TYPE_VP9_FRAME_DECODE_PARAMS:
+ return validate_vp9_frame_decode_params(p);
+
+ case V4L2_CTRL_TYPE_VP9_FRAME_CONTEXT:
+ break;
+
case V4L2_CTRL_TYPE_HEVC_SPS:
p_hevc_sps = p;
@@ -1231,6 +1450,12 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl,
case V4L2_CTRL_TYPE_VP8_FRAME:
elem_size = sizeof(struct v4l2_ctrl_vp8_frame);
break;
+ case V4L2_CTRL_TYPE_VP9_FRAME_CONTEXT:
+ elem_size = sizeof(struct v4l2_ctrl_vp9_frame_ctx);
+ break;
+ case V4L2_CTRL_TYPE_VP9_FRAME_DECODE_PARAMS:
+ elem_size = sizeof(struct v4l2_ctrl_vp9_frame_decode_params);
+ break;
case V4L2_CTRL_TYPE_HEVC_SPS:
elem_size = sizeof(struct v4l2_ctrl_hevc_sps);
break;
diff --git a/drivers/media/v4l2-core/v4l2-ctrls-defs.c b/drivers/media/v4l2-core/v4l2-ctrls-defs.c
index b6344bbf1e00..22a031e25499 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls-defs.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls-defs.c
@@ -940,6 +940,11 @@ const char *v4l2_ctrl_get_name(u32 id)
case V4L2_CID_MPEG_VIDEO_VP8_PROFILE: return "VP8 Profile";
case V4L2_CID_MPEG_VIDEO_VP9_PROFILE: return "VP9 Profile";
case V4L2_CID_MPEG_VIDEO_VP9_LEVEL: return "VP9 Level";
+ case V4L2_CID_MPEG_VIDEO_VP9_FRAME_DECODE_PARAMS: return "VP9 Frame Decode Parameters";
+ case V4L2_CID_MPEG_VIDEO_VP9_FRAME_CONTEXT(0): return "VP9 Frame Context 0";
+ case V4L2_CID_MPEG_VIDEO_VP9_FRAME_CONTEXT(1): return "VP9 Frame Context 1";
+ case V4L2_CID_MPEG_VIDEO_VP9_FRAME_CONTEXT(2): return "VP9 Frame Context 2";
+ case V4L2_CID_MPEG_VIDEO_VP9_FRAME_CONTEXT(3): return "VP9 Frame Context 3";
/* HEVC controls */
case V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_QP: return "HEVC I-Frame QP Value";
@@ -1479,6 +1484,15 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
case V4L2_CID_STATELESS_VP8_FRAME:
*type = V4L2_CTRL_TYPE_VP8_FRAME;
break;
+ case V4L2_CID_MPEG_VIDEO_VP9_FRAME_DECODE_PARAMS:
+ *type = V4L2_CTRL_TYPE_VP9_FRAME_DECODE_PARAMS;
+ break;
+ case V4L2_CID_MPEG_VIDEO_VP9_FRAME_CONTEXT(0):
+ case V4L2_CID_MPEG_VIDEO_VP9_FRAME_CONTEXT(1):
+ case V4L2_CID_MPEG_VIDEO_VP9_FRAME_CONTEXT(2):
+ case V4L2_CID_MPEG_VIDEO_VP9_FRAME_CONTEXT(3):
+ *type = V4L2_CTRL_TYPE_VP9_FRAME_CONTEXT;
+ break;
case V4L2_CID_MPEG_VIDEO_HEVC_SPS:
*type = V4L2_CTRL_TYPE_HEVC_SPS;
break;
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index fe43d785414c..47f812a081ca 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1394,6 +1394,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_VP8: descr = "VP8"; break;
case V4L2_PIX_FMT_VP8_FRAME: descr = "VP8 Frame"; break;
case V4L2_PIX_FMT_VP9: descr = "VP9"; break;
+ case V4L2_PIX_FMT_VP9_FRAME: descr = "VP9 Frame"; break;
case V4L2_PIX_FMT_HEVC: descr = "HEVC"; break; /* aka H.265 */
case V4L2_PIX_FMT_HEVC_SLICE: descr = "HEVC Parsed Slice Data"; break;
case V4L2_PIX_FMT_FWHT: descr = "FWHT"; break; /* used in vicodec */
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index 575b59fbac77..f62c529b6a70 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -18,6 +18,7 @@
* This will move to the public headers once this API is fully stable.
*/
#include <media/hevc-ctrls.h>
+#include <media/vp9-ctrls.h>
/* forward references */
struct file;
@@ -50,6 +51,8 @@ struct video_device;
* @p_h264_decode_params: Pointer to a struct v4l2_ctrl_h264_decode_params.
* @p_h264_pred_weights: Pointer to a struct v4l2_ctrl_h264_pred_weights.
* @p_vp8_frame: Pointer to a VP8 frame params structure.
+ * @p_vp9_frame_ctx: Pointer to a VP9 frame context structure.
+ * @p_vp9_frame_decode_params: Pointer to a VP9 frame params structure.
* @p_hevc_sps: Pointer to an HEVC sequence parameter set structure.
* @p_hevc_pps: Pointer to an HEVC picture parameter set structure.
* @p_hevc_slice_params: Pointer to an HEVC slice parameters structure.
@@ -82,6 +85,8 @@ union v4l2_ctrl_ptr {
struct v4l2_ctrl_hevc_slice_params *p_hevc_slice_params;
struct v4l2_ctrl_hdr10_cll_info *p_hdr10_cll;
struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering;
+ struct v4l2_ctrl_vp9_frame_ctx *p_vp9_frame_ctx;
+ struct v4l2_ctrl_vp9_frame_decode_params *p_vp9_frame_decode_params;
struct v4l2_area *p_area;
void *p;
const void *p_const;
diff --git a/include/media/vp9-ctrls.h b/include/media/vp9-ctrls.h
new file mode 100644
index 000000000000..f62f528d4b39
--- /dev/null
+++ b/include/media/vp9-ctrls.h
@@ -0,0 +1,486 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * These are the VP9 state controls for use with stateless VP9
+ * codec drivers.
+ *
+ * It turns out that these structs are not stable yet and will undergo
+ * more changes. So keep them private until they are stable and ready to
+ * become part of the official public API.
+ */
+
+#ifndef _VP9_CTRLS_H_
+#define _VP9_CTRLS_H_
+
+#include <linux/types.h>
+
+#define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F')
+
+#define V4L2_CID_MPEG_VIDEO_VP9_FRAME_CONTEXT(i) (V4L2_CID_CODEC_BASE + 4000 + (i))
+#define V4L2_CID_MPEG_VIDEO_VP9_FRAME_DECODE_PARAMS (V4L2_CID_CODEC_BASE + 4004)
+#define V4L2_CTRL_TYPE_VP9_FRAME_CONTEXT 0x400
+#define V4L2_CTRL_TYPE_VP9_FRAME_DECODE_PARAMS 0x404
+
+/**
+ * enum v4l2_vp9_loop_filter_flags - VP9 loop filter flags
+ *
+ * @V4L2_VP9_LOOP_FILTER_FLAG_DELTA_ENABLED: the filter level depends on
+ * the mode and reference frame used
+ * to predict a block
+ * @V4L2_VP9_LOOP_FILTER_FLAG_DELTA_UPDATE: the bitstream contains additional
+ * syntax elements that specify which
+ * mode and reference frame deltas
+ * are to be updated
+ *
+ * Those are the flags you should pass to &v4l2_vp9_loop_filter.flags. See
+ * section '7.2.8 Loop filter semantics' of the VP9 specification for more
+ * details.
+ */
+enum v4l2_vp9_loop_filter_flags {
+ V4L2_VP9_LOOP_FILTER_FLAG_DELTA_ENABLED = 1 << 0,
+ V4L2_VP9_LOOP_FILTER_FLAG_DELTA_UPDATE = 1 << 1,
+};
+
+/**
+ * struct v4l2_vp9_loop_filter - VP9 loop filter parameters
+ *
+ * @flags: combination of V4L2_VP9_LOOP_FILTER_FLAG_* flags
+ * @level: indicates the loop filter strength
+ * @sharpness: indicates the sharpness level
+ * @ref_deltas: contains the adjustment needed for the filter level based on
+ * the chosen reference frame
+ * @mode_deltas: contains the adjustment needed for the filter level based on
+ * the chosen mode
+ * @level_lookup: level lookup table
+ *
+ * This structure contains all loop filter related parameters. See sections
+ * '7.2.8 Loop filter semantics' and '8.8.1 Loop filter frame init process'
+ * of the VP9 specification for more details.
+ */
+struct v4l2_vp9_loop_filter {
+ __u8 flags;
+ __u8 level;
+ __u8 sharpness;
+ __s8 ref_deltas[4];
+ __s8 mode_deltas[2];
+ __u8 level_lookup[8][4][2];
+ __u8 padding;
+};
+
+/**
+ * struct v4l2_vp9_quantization - VP9 quantization parameters
+ *
+ * @base_q_idx: indicates the base frame qindex
+ * @delta_q_y_dc: indicates the Y DC quantizer relative to base_q_idx
+ * @delta_q_uv_dc: indicates the UV DC quantizer relative to base_q_idx
+ * @delta_q_uv_ac indicates the UV AC quantizer relative to base_q_idx
+ * @padding: padding bytes to align things on 64 bits. Must be set to 0
+ *
+ * Encodes the quantization parameters. See section '7.2.9 Quantization params
+ * syntax' of the VP9 specification for more details.
+ */
+struct v4l2_vp9_quantization {
+ __u8 base_q_idx;
+ __s8 delta_q_y_dc;
+ __s8 delta_q_uv_dc;
+ __s8 delta_q_uv_ac;
+ __u8 padding[4];
+};
+
+/**
+ * enum v4l2_vp9_segmentation_flags - VP9 segmentation flags
+ *
+ * @V4L2_VP9_SEGMENTATION_FLAG_ENABLED: indicates that this frame makes use of
+ * the segmentation tool
+ * @V4L2_VP9_SEGMENTATION_FLAG_UPDATE_MAP: indicates that the segmentation map
+ * should be updated during the
+ * decoding of this frame
+ * @V4L2_VP9_SEGMENTATION_FLAG_TEMPORAL_UPDATE: indicates that the updates to
+ * the segmentation map are coded
+ * relative to the existing
+ * segmentation map
+ * @V4L2_VP9_SEGMENTATION_FLAG_UPDATE_DATA: indicates that new parameters are
+ * about to be specified for each
+ * segment
+ * @V4L2_VP9_SEGMENTATION_FLAG_ABS_OR_DELTA_UPDATE: indicates that the
+ * segmentation parameters
+ * represent the actual values
+ * to be used
+ *
+ * Those are the flags you should pass to &v4l2_vp9_segmentation.flags. See
+ * section '7.2.10 Segmentation params syntax' of the VP9 specification for
+ * more details.
+ */
+enum v4l2_vp9_segmentation_flags {
+ V4L2_VP9_SEGMENTATION_FLAG_ENABLED = 1 << 0,
+ V4L2_VP9_SEGMENTATION_FLAG_UPDATE_MAP = 1 << 1,
+ V4L2_VP9_SEGMENTATION_FLAG_TEMPORAL_UPDATE = 1 << 2,
+ V4L2_VP9_SEGMENTATION_FLAG_UPDATE_DATA = 1 << 3,
+ V4L2_VP9_SEGMENTATION_FLAG_ABS_OR_DELTA_UPDATE = 1 << 4,
+};
+
+#define V4L2_VP9_SEGMENT_FEATURE_ENABLED(id) (1 << (id))
+#define V4L2_VP9_SEGMENT_FEATURE_ENABLED_MASK 0xf
+
+/**
+ * enum v4l2_vp9_segment_feature - VP9 segment feature IDs
+ *
+ * @V4L2_VP9_SEGMENT_FEATURE_QP_DELTA: QP delta segment feature
+ * @V4L2_VP9_SEGMENT_FEATURE_LF: loop filter segment feature
+ * @V4L2_VP9_SEGMENT_FEATURE_REF_FRAME: reference frame segment feature
+ * @V4L2_VP9_SEGMENT_FEATURE_SKIP: skip segment feature
+ * @V4L2_VP9_SEGMENT_FEATURE_CNT: number of segment features
+ *
+ * Segment feature IDs. See section '7.2.10 Segmentation params syntax' of the
+ * VP9 specification for more details.
+ */
+enum v4l2_vp9_segment_feature {
+ V4L2_VP9_SEGMENT_FEATURE_QP_DELTA,
+ V4L2_VP9_SEGMENT_FEATURE_LF,
+ V4L2_VP9_SEGMENT_FEATURE_REF_FRAME,
+ V4L2_VP9_SEGMENT_FEATURE_SKIP,
+ V4L2_VP9_SEGMENT_FEATURE_CNT,
+};
+
+/**
+ * struct v4l2_vp9_segmentation - VP9 segmentation parameters
+ *
+ * @flags: combination of V4L2_VP9_SEGMENTATION_FLAG_* flags
+ * @tree_probs: specifies the probability values to be used when
+ * decoding a Segment-ID. See '5.15. Segmentation map'
+ * section of the VP9 specification for more details.
+ * @pred_prob: specifies the probability values to be used when decoding a
+ * Predicted-Segment-ID. See '6.4.14. Get segment id syntax'
+ * section of :ref:`vp9` for more details..
+ * @padding: padding used to make things aligned on 64 bits. Shall be zero
+ * filled
+ * @feature_enabled: bitmask defining which features are enabled in each
+ * segment
+ * @feature_data: data attached to each feature. Data entry is only valid if
+ * the feature is enabled
+ *
+ * Encodes the quantization parameters. See section '7.2.10 Segmentation
+ * params syntax' of the VP9 specification for more details.
+ */
+struct v4l2_vp9_segmentation {
+ __u8 flags;
+ __u8 tree_probs[7];
+ __u8 pred_probs[3];
+ __u8 padding[5];
+ __u8 feature_enabled[8];
+ __s16 feature_data[8][4];
+};
+
+/**
+ * enum v4l2_vp9_intra_prediction_mode - VP9 Intra prediction modes
+ *
+ * @V4L2_VP9_INTRA_PRED_DC: DC intra prediction
+ * @V4L2_VP9_INTRA_PRED_MODE_V: vertical intra prediction
+ * @V4L2_VP9_INTRA_PRED_MODE_H: horizontal intra prediction
+ * @V4L2_VP9_INTRA_PRED_MODE_D45: D45 intra prediction
+ * @V4L2_VP9_INTRA_PRED_MODE_D135: D135 intra prediction
+ * @V4L2_VP9_INTRA_PRED_MODE_D117: D117 intra prediction
+ * @V4L2_VP9_INTRA_PRED_MODE_D153: D153 intra prediction
+ * @V4L2_VP9_INTRA_PRED_MODE_D207: D207 intra prediction
+ * @V4L2_VP9_INTRA_PRED_MODE_D63: D63 intra prediction
+ * @V4L2_VP9_INTRA_PRED_MODE_TM: True Motion intra prediction
+ *
+ * See section '7.4.5 Intra frame mode info semantics' for more details.
+ */
+enum v4l2_vp9_intra_prediction_mode {
+ V4L2_VP9_INTRA_PRED_MODE_DC,
+ V4L2_VP9_INTRA_PRED_MODE_V,
+ V4L2_VP9_INTRA_PRED_MODE_H,
+ V4L2_VP9_INTRA_PRED_MODE_D45,
+ V4L2_VP9_INTRA_PRED_MODE_D135,
+ V4L2_VP9_INTRA_PRED_MODE_D117,
+ V4L2_VP9_INTRA_PRED_MODE_D153,
+ V4L2_VP9_INTRA_PRED_MODE_D207,
+ V4L2_VP9_INTRA_PRED_MODE_D63,
+ V4L2_VP9_INTRA_PRED_MODE_TM,
+};
+
+/**
+ * struct v4l2_vp9_mv_probabilities - VP9 Motion vector probabilities
+ * @joint: motion vector joint probabilities
+ * @sign: motion vector sign probabilities
+ * @class: motion vector class probabilities
+ * @class0_bit: motion vector class0 bit probabilities
+ * @bits: motion vector bits probabilities
+ * @class0_fr: motion vector class0 fractional bit probabilities
+ * @fr: motion vector fractional bit probabilities
+ * @class0_hp: motion vector class0 high precision fractional bit probabilities
+ * @hp: motion vector high precision fractional bit probabilities
+ */
+struct v4l2_vp9_mv_probabilities {
+ __u8 joint[3];
+ __u8 sign[2];
+ __u8 class[2][10];
+ __u8 class0_bit[2];
+ __u8 bits[2][10];
+ __u8 class0_fr[2][2][3];
+ __u8 fr[2][3];
+ __u8 class0_hp[2];
+ __u8 hp[2];
+};
+
+/**
+ * struct v4l2_vp9_probabilities - VP9 Probabilities
+ *
+ * @tx8: TX 8x8 probabilities
+ * @tx16: TX 16x16 probabilities
+ * @tx32: TX 32x32 probabilities
+ * @coef: coefficient probabilities
+ * @skip: skip probabilities
+ * @inter_mode: inter mode probabilities
+ * @interp_filter: interpolation filter probabilities
+ * @is_inter: is inter-block probabilities
+ * @comp_mode: compound prediction mode probabilities
+ * @single_ref: single ref probabilities
+ * @comp_ref: compound ref probabilities
+ * @y_mode: Y prediction mode probabilities
+ * @uv_mode: UV prediction mode probabilities
+ * @partition: partition probabilities
+ * @mv: motion vector probabilities
+ *
+ * Structure containing most VP9 probabilities. See the VP9 specification
+ * for more details.
+ */
+struct v4l2_vp9_probabilities {
+ __u8 tx8[2][1];
+ __u8 tx16[2][2];
+ __u8 tx32[2][3];
+ __u8 coef[4][2][2][6][6][3];
+ __u8 skip[3];
+ __u8 inter_mode[7][3];
+ __u8 interp_filter[4][2];
+ __u8 is_inter[4];
+ __u8 comp_mode[5];
+ __u8 single_ref[5][2];
+ __u8 comp_ref[5];
+ __u8 y_mode[4][9];
+ __u8 uv_mode[10][9];
+ __u8 partition[16][3];
+
+ struct v4l2_vp9_mv_probabilities mv;
+};
+
+/**
+ * enum v4l2_vp9_reset_frame_context - Valid values for
+ * &v4l2_ctrl_vp9_frame_decode_params->reset_frame_context
+ *
+ * @V4L2_VP9_RESET_FRAME_CTX_NONE: don't reset any frame context
+ * @V4L2_VP9_RESET_FRAME_CTX_SPEC: reset the frame context pointed by
+ * &v4l2_ctrl_vp9_frame_decode_params.frame_context_idx
+ * @V4L2_VP9_RESET_FRAME_CTX_ALL: reset all frame contexts
+ *
+ * See section '7.2 Uncompressed header semantics' of the VP9 specification
+ * for more details.
+ */
+enum v4l2_vp9_reset_frame_context {
+ V4L2_VP9_RESET_FRAME_CTX_NONE,
+ V4L2_VP9_RESET_FRAME_CTX_SPEC,
+ V4L2_VP9_RESET_FRAME_CTX_ALL,
+};
+
+/**
+ * enum v4l2_vp9_interpolation_filter - VP9 interpolation filter types
+ *
+ * @V4L2_VP9_INTERP_FILTER_8TAP: height tap filter
+ * @V4L2_VP9_INTERP_FILTER_8TAP_SMOOTH: height tap smooth filter
+ * @V4L2_VP9_INTERP_FILTER_8TAP_SHARP: height tap sharp filter
+ * @V4L2_VP9_INTERP_FILTER_BILINEAR: bilinear filter
+ * @V4L2_VP9_INTERP_FILTER_SWITCHABLE: filter selection is signaled at the
+ * block level
+ *
+ * See section '7.2.7 Interpolation filter semantics' of the VP9 specification
+ * for more details.
+ */
+enum v4l2_vp9_interpolation_filter {
+ V4L2_VP9_INTERP_FILTER_8TAP,
+ V4L2_VP9_INTERP_FILTER_8TAP_SMOOTH,
+ V4L2_VP9_INTERP_FILTER_8TAP_SHARP,
+ V4L2_VP9_INTERP_FILTER_BILINEAR,
+ V4L2_VP9_INTERP_FILTER_SWITCHABLE,
+};
+
+/**
+ * enum v4l2_vp9_reference_mode - VP9 reference modes
+ *
+ * @V4L2_VP9_REF_MODE_SINGLE: indicates that all the inter blocks use only a
+ * single reference frame to generate motion
+ * compensated prediction
+ * @V4L2_VP9_REF_MODE_COMPOUND: requires all the inter blocks to use compound
+ * mode. Single reference frame prediction is not
+ * allowed
+ * @V4L2_VP9_REF_MODE_SELECT: allows each individual inter block to select
+ * between single and compound prediction modes
+ *
+ * See section '7.3.6 Frame reference mode semantics' of the VP9 specification
+ * for more details.
+ */
+enum v4l2_vp9_reference_mode {
+ V4L2_VP9_REF_MODE_SINGLE,
+ V4L2_VP9_REF_MODE_COMPOUND,
+ V4L2_VP9_REF_MODE_SELECT,
+};
+
+/**
+ * enum v4l2_vp9_tx_mode - VP9 TX modes
+ *
+ * @V4L2_VP9_TX_MODE_ONLY_4X4: transform size is 4x4
+ * @V4L2_VP9_TX_MODE_ALLOW_8X8: transform size can be up to 8x8
+ * @V4L2_VP9_TX_MODE_ALLOW_16X16: transform size can be up to 16x16
+ * @V4L2_VP9_TX_MODE_ALLOW_32X32: transform size can be up to 32x32
+ * @V4L2_VP9_TX_MODE_SELECT: bitstream contains transform size for each block
+ *
+ * See section '7.3.1 Tx mode semantics' of the VP9 specification for more
+ * details.
+ */
+enum v4l2_vp9_tx_mode {
+ V4L2_VP9_TX_MODE_ONLY_4X4,
+ V4L2_VP9_TX_MODE_ALLOW_8X8,
+ V4L2_VP9_TX_MODE_ALLOW_16X16,
+ V4L2_VP9_TX_MODE_ALLOW_32X32,
+ V4L2_VP9_TX_MODE_SELECT,
+};
+
+/**
+ * enum v4l2_vp9_ref_id - VP9 Reference frame IDs
+ *
+ * @V4L2_REF_ID_LAST: last reference frame
+ * @V4L2_REF_ID_GOLDEN: golden reference frame
+ * @V4L2_REF_ID_ALTREF: alternative reference frame
+ * @V4L2_REF_ID_CNT: number of reference frames
+ *
+ * See section '7.4.12 Ref frames semantics' of the VP9 specification for more
+ * details.
+ */
+enum v4l2_vp9_ref_id {
+ V4L2_REF_ID_LAST,
+ V4L2_REF_ID_GOLDEN,
+ V4L2_REF_ID_ALTREF,
+ V4L2_REF_ID_CNT,
+};
+
+/**
+ * enum v4l2_vp9_frame_flags - VP9 frame flags
+ * @V4L2_VP9_FRAME_FLAG_KEY_FRAME: the frame is a key frame
+ * @V4L2_VP9_FRAME_FLAG_SHOW_FRAME: the frame should be displayed
+ * @V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT: the decoding should be error resilient
+ * @V4L2_VP9_FRAME_FLAG_INTRA_ONLY: the frame does not reference other frames
+ * @V4L2_VP9_FRAME_FLAG_ALLOW_HIGH_PREC_MV: the frame might can high precision
+ * motion vectors
+ * @V4L2_VP9_FRAME_FLAG_REFRESH_FRAME_CTX: frame context should be updated
+ * after decoding
+ * @V4L2_VP9_FRAME_FLAG_PARALLEL_DEC_MODE: parallel decoding is used
+ * @V4L2_VP9_FRAME_FLAG_X_SUBSAMPLING: vertical subsampling is enabled
+ * @V4L2_VP9_FRAME_FLAG_Y_SUBSAMPLING: horizontal subsampling is enabled
+ * @V4L2_VP9_FRAME_FLAG_COLOR_RANGE_FULL_SWING: full UV range is used
+ *
+ * Check the VP9 specification for more details.
+ */
+enum v4l2_vp9_frame_flags {
+ V4L2_VP9_FRAME_FLAG_KEY_FRAME = 1 << 0,
+ V4L2_VP9_FRAME_FLAG_SHOW_FRAME = 1 << 1,
+ V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT = 1 << 2,
+ V4L2_VP9_FRAME_FLAG_INTRA_ONLY = 1 << 3,
+ V4L2_VP9_FRAME_FLAG_ALLOW_HIGH_PREC_MV = 1 << 4,
+ V4L2_VP9_FRAME_FLAG_REFRESH_FRAME_CTX = 1 << 5,
+ V4L2_VP9_FRAME_FLAG_PARALLEL_DEC_MODE = 1 << 6,
+ V4L2_VP9_FRAME_FLAG_X_SUBSAMPLING = 1 << 7,
+ V4L2_VP9_FRAME_FLAG_Y_SUBSAMPLING = 1 << 8,
+ V4L2_VP9_FRAME_FLAG_COLOR_RANGE_FULL_SWING = 1 << 9,
+};
+
+#define V4L2_VP9_PROFILE_MAX 3
+
+/**
+ * struct v4l2_ctrl_vp9_frame_decode_params - VP9 frame decoding control
+ *
+ * @flags: combination of V4L2_VP9_FRAME_FLAG_* flags
+ * @compressed_header_size: compressed header size in bytes
+ * @uncompressed_header_size: uncompressed header size in bytes
+ * @profile: VP9 profile. Can be 0, 1, 2 or 3
+ * @reset_frame_context: specifies whether the frame context should be reset
+ * to default values. See &v4l2_vp9_reset_frame_context
+ * for more details
+ * @frame_context_idx: frame context that should be used/updated
+ * @bit_depth: bits per components. Can be 8, 10 or 12. Note that not all
+ * profiles support 10 and/or 12 bits depths
+ * @interpolation_filter: specifies the filter selection used for performing
+ * inter prediction. See &v4l2_vp9_interpolation_filter
+ * for more details
+ * @tile_cols_log2: specifies the base 2 logarithm of the width of each tile
+ * (where the width is measured in units of 8x8 blocks).
+ * Shall be less than or equal to 6
+ * @tile_rows_log2: specifies the base 2 logarithm of the height of each tile
+ * (where the height is measured in units of 8x8 blocks)
+ * @tx_mode: specifies the TX mode. See &v4l2_vp9_tx_mode for more details
+ * @reference_mode: specifies the type of inter prediction to be used. See
+ * &v4l2_vp9_reference_mode for more details
+ * @padding: needed to make this struct 64 bit aligned. Shall be filled with
+ * zeros
+ * @frame_width_minus_1: add 1 to it and you'll get the frame width expressed
+ * in pixels
+ * @frame_height_minus_1: add 1 to it and you'll get the frame height expressed
+ * in pixels
+ * @frame_width_minus_1: add 1 to it and you'll get the expected render width
+ * expressed in pixels. This is not used during the
+ * decoding process but might be used by HW scalers to
+ * prepare a frame that's ready for scanout
+ * @frame_height_minus_1: add 1 to it and you'll get the expected render height
+ * expressed in pixels. This is not used during the
+ * decoding process but might be used by HW scalers to
+ * prepare a frame that's ready for scanout
+ * @refs: array of ref frames timestamps. See &v4l2_vp9_ref_id for more details
+ * @lf: loop filter parameters. See &v4l2_vp9_loop_filter for more details
+ * @quant: quantization parameters. See &v4l2_vp9_quantization for more details
+ * @seg: segmentation parameters. See &v4l2_vp9_segmentation for more details
+ * @probs: probabilities. See &v4l2_vp9_probabilities for more details
+ */
+struct v4l2_ctrl_vp9_frame_decode_params {
+ __u32 flags;
+ __u16 compressed_header_size;
+ __u16 uncompressed_header_size;
+ __u8 profile;
+ __u8 reset_frame_context;
+ __u8 frame_context_idx;
+ __u8 bit_depth;
+ __u8 interpolation_filter;
+ __u8 tile_cols_log2;
+ __u8 tile_rows_log2;
+ __u8 tx_mode;
+ __u8 reference_mode;
+ __u8 padding[7];
+ __u16 frame_width_minus_1;
+ __u16 frame_height_minus_1;
+ __u16 render_width_minus_1;
+ __u16 render_height_minus_1;
+ __u64 refs[V4L2_REF_ID_CNT];
+ struct v4l2_vp9_loop_filter lf;
+ struct v4l2_vp9_quantization quant;
+ struct v4l2_vp9_segmentation seg;
+ struct v4l2_vp9_probabilities probs;
+};
+
+#define V4L2_VP9_NUM_FRAME_CTX 4
+
+/**
+ * struct v4l2_ctrl_vp9_frame_ctx - VP9 frame context control
+ *
+ * @probs: VP9 probabilities
+ *
+ * This control is accessed in both direction. The user should initialize the
+ * 4 contexts with default values just after starting the stream. Then before
+ * decoding a frame it should query the current frame context (the one passed
+ * through &v4l2_ctrl_vp9_frame_decode_params.frame_context_idx) to initialize
+ * &v4l2_ctrl_vp9_frame_decode_params.probs. The probs are then adjusted based
+ * on the bitstream info and passed to the kernel. The codec should update
+ * the frame context after the frame has been decoded, so that next time
+ * userspace query this context it contains the updated probabilities.
+ */
+struct v4l2_ctrl_vp9_frame_ctx {
+ struct v4l2_vp9_probabilities probs;
+};
+
+#endif /* _VP9_CTRLS_H_ */
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Boris Brezillon <boris.brezillon@collabora.com>
Date: Mon, 2 Nov 2020 21:05:51 +0200
Subject: [PATCH] media: rkvdec: Add the VP9 backend
The Rockchip VDEC supports VP9 profile 0 up to 4096x2304@30fps. Add
a backend for this new format.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
---
drivers/staging/media/rkvdec/Makefile | 2 +-
drivers/staging/media/rkvdec/rkvdec-vp9.c | 1577 +++++++++++++++++++++
drivers/staging/media/rkvdec/rkvdec.c | 59 +-
drivers/staging/media/rkvdec/rkvdec.h | 6 +
4 files changed, 1642 insertions(+), 2 deletions(-)
create mode 100644 drivers/staging/media/rkvdec/rkvdec-vp9.c
diff --git a/drivers/staging/media/rkvdec/Makefile b/drivers/staging/media/rkvdec/Makefile
index c08fed0a39f9..cb86b429cfaa 100644
--- a/drivers/staging/media/rkvdec/Makefile
+++ b/drivers/staging/media/rkvdec/Makefile
@@ -1,3 +1,3 @@
obj-$(CONFIG_VIDEO_ROCKCHIP_VDEC) += rockchip-vdec.o
-rockchip-vdec-y += rkvdec.o rkvdec-h264.o
+rockchip-vdec-y += rkvdec.o rkvdec-h264.o rkvdec-vp9.o
diff --git a/drivers/staging/media/rkvdec/rkvdec-vp9.c b/drivers/staging/media/rkvdec/rkvdec-vp9.c
new file mode 100644
index 000000000000..8b443ed511c9
--- /dev/null
+++ b/drivers/staging/media/rkvdec/rkvdec-vp9.c
@@ -0,0 +1,1577 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Rockchip Video Decoder VP9 backend
+ *
+ * Copyright (C) 2019 Collabora, Ltd.
+ * Boris Brezillon <boris.brezillon@collabora.com>
+ *
+ * Copyright (C) 2016 Rockchip Electronics Co., Ltd.
+ * Alpha Lin <Alpha.Lin@rock-chips.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/vmalloc.h>
+#include <media/v4l2-mem2mem.h>
+
+#include "rkvdec.h"
+#include "rkvdec-regs.h"
+
+#define RKVDEC_VP9_PROBE_SIZE 4864
+#define RKVDEC_VP9_COUNT_SIZE 13232
+#define RKVDEC_VP9_MAX_SEGMAP_SIZE 73728
+
+struct rkvdec_vp9_intra_mode_probs {
+ u8 y_mode[105];
+ u8 uv_mode[23];
+};
+
+struct rkvdec_vp9_intra_only_frame_probs {
+ u8 coef_intra[4][2][128];
+ struct rkvdec_vp9_intra_mode_probs intra_mode[10];
+};
+
+struct rkvdec_vp9_inter_frame_probs {
+ u8 y_mode[4][9];
+ u8 comp_mode[5];
+ u8 comp_ref[5];
+ u8 single_ref[5][2];
+ u8 inter_mode[7][3];
+ u8 interp_filter[4][2];
+ u8 padding0[11];
+ u8 coef[2][4][2][128];
+ u8 uv_mode_0_2[3][9];
+ u8 padding1[5];
+ u8 uv_mode_3_5[3][9];
+ u8 padding2[5];
+ u8 uv_mode_6_8[3][9];
+ u8 padding3[5];
+ u8 uv_mode_9[9];
+ u8 padding4[7];
+ u8 padding5[16];
+ struct {
+ u8 joint[3];
+ u8 sign[2];
+ u8 class[2][10];
+ u8 class0_bit[2];
+ u8 bits[2][10];
+ u8 class0_fr[2][2][3];
+ u8 fr[2][3];
+ u8 class0_hp[2];
+ u8 hp[2];
+ } mv;
+};
+
+struct rkvdec_vp9_probs {
+ u8 partition[16][3];
+ u8 pred[3];
+ u8 tree[7];
+ u8 skip[3];
+ u8 tx32[2][3];
+ u8 tx16[2][2];
+ u8 tx8[2][1];
+ u8 is_inter[4];
+ /* 128 bit alignment */
+ u8 padding0[3];
+ union {
+ struct rkvdec_vp9_inter_frame_probs inter;
+ struct rkvdec_vp9_intra_only_frame_probs intra_only;
+ };
+};
+
+/* Data structure describing auxiliary buffer format. */
+struct rkvdec_vp9_priv_tbl {
+ struct rkvdec_vp9_probs probs;
+ u8 segmap[2][RKVDEC_VP9_MAX_SEGMAP_SIZE];
+};
+
+struct rkvdec_vp9_refs_counts {
+ u32 eob[2];
+ u32 coeff[3];
+};
+
+struct rkvdec_vp9_inter_frame_symbol_counts {
+ u32 partition[16][4];
+ u32 skip[3][2];
+ u32 inter[4][2];
+ u32 tx32p[2][4];
+ u32 tx16p[2][4];
+ u32 tx8p[2][2];
+ u32 y_mode[4][10];
+ u32 uv_mode[10][10];
+ u32 comp[5][2];
+ u32 comp_ref[5][2];
+ u32 single_ref[5][2][2];
+ u32 mv_mode[7][4];
+ u32 filter[4][3];
+ u32 mv_joint[4];
+ u32 sign[2][2];
+ /* add 1 element for align */
+ u32 classes[2][11 + 1];
+ 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 rkvdec_vp9_refs_counts ref_cnt[2][4][2][6][6];
+};
+
+struct rkvdec_vp9_intra_frame_symbol_counts {
+ u32 partition[4][4][4];
+ u32 skip[3][2];
+ u32 intra[4][2];
+ u32 tx32p[2][4];
+ u32 tx16p[2][4];
+ u32 tx8p[2][2];
+ struct rkvdec_vp9_refs_counts ref_cnt[2][4][2][6][6];
+};
+
+struct rkvdec_vp9_run {
+ struct rkvdec_run base;
+ const struct v4l2_ctrl_vp9_frame_decode_params *decode_params;
+};
+
+struct rkvdec_vp9_frame_info {
+ u32 valid : 1;
+ u32 segmapid : 1;
+ u32 frame_context_idx : 2;
+ u32 reference_mode : 2;
+ u32 tx_mode : 3;
+ u32 interpolation_filter : 3;
+ u32 flags;
+ u64 timestamp;
+ struct v4l2_vp9_segmentation seg;
+ struct v4l2_vp9_loop_filter lf;
+};
+
+struct rkvdec_vp9_ctx {
+ struct rkvdec_aux_buf priv_tbl;
+ struct rkvdec_aux_buf count_tbl;
+ struct v4l2_ctrl_vp9_frame_ctx frame_context;
+ struct rkvdec_vp9_frame_info cur;
+ struct rkvdec_vp9_frame_info last;
+};
+
+static u32 rkvdec_fastdiv(u32 dividend, u16 divisor)
+{
+#define DIV_INV(d) ((u32)(((1ULL << 32) + ((d) - 1)) / (d)))
+#define DIVS_INV(d0, d1, d2, d3, d4, d5, d6, d7, d8, d9) \
+ DIV_INV(d0), DIV_INV(d1), DIV_INV(d2), DIV_INV(d3), \
+ DIV_INV(d4), DIV_INV(d5), DIV_INV(d6), DIV_INV(d7), \
+ DIV_INV(d8), DIV_INV(d9)
+
+ static const u32 inv[] = {
+ DIV_INV(2), DIV_INV(3), DIV_INV(4), DIV_INV(5),
+ DIV_INV(6), DIV_INV(7), DIV_INV(8), DIV_INV(9),
+ DIVS_INV(10, 11, 12, 13, 14, 15, 16, 17, 18, 19),
+ DIVS_INV(20, 21, 22, 23, 24, 25, 26, 27, 28, 29),
+ DIVS_INV(30, 31, 32, 33, 34, 35, 36, 37, 38, 39),
+ DIVS_INV(40, 41, 42, 43, 44, 45, 46, 47, 48, 49),
+ DIVS_INV(50, 51, 52, 53, 54, 55, 56, 57, 58, 59),
+ DIVS_INV(60, 61, 62, 63, 64, 65, 66, 67, 68, 69),
+ DIVS_INV(70, 71, 72, 73, 74, 75, 76, 77, 78, 79),
+ DIVS_INV(80, 81, 82, 83, 84, 85, 86, 87, 88, 89),
+ DIVS_INV(90, 91, 92, 93, 94, 95, 96, 97, 98, 99),
+ DIVS_INV(100, 101, 102, 103, 104, 105, 106, 107, 108, 109),
+ DIVS_INV(110, 111, 112, 113, 114, 115, 116, 117, 118, 119),
+ DIVS_INV(120, 121, 122, 123, 124, 125, 126, 127, 128, 129),
+ DIVS_INV(130, 131, 132, 133, 134, 135, 136, 137, 138, 139),
+ DIVS_INV(140, 141, 142, 143, 144, 145, 146, 147, 148, 149),
+ DIVS_INV(150, 151, 152, 153, 154, 155, 156, 157, 158, 159),
+ DIVS_INV(160, 161, 162, 163, 164, 165, 166, 167, 168, 169),
+ DIVS_INV(170, 171, 172, 173, 174, 175, 176, 177, 178, 179),
+ DIVS_INV(180, 181, 182, 183, 184, 185, 186, 187, 188, 189),
+ DIVS_INV(190, 191, 192, 193, 194, 195, 196, 197, 198, 199),
+ DIVS_INV(200, 201, 202, 203, 204, 205, 206, 207, 208, 209),
+ DIVS_INV(210, 211, 212, 213, 214, 215, 216, 217, 218, 219),
+ DIVS_INV(220, 221, 222, 223, 224, 225, 226, 227, 228, 229),
+ DIVS_INV(230, 231, 232, 233, 234, 235, 236, 237, 238, 239),
+ DIVS_INV(240, 241, 242, 243, 244, 245, 246, 247, 248, 249),
+ DIV_INV(250), DIV_INV(251), DIV_INV(252), DIV_INV(253),
+ DIV_INV(254), DIV_INV(255), DIV_INV(256),
+ };
+
+ if (divisor == 0)
+ return 0;
+ else if (divisor == 1)
+ return dividend;
+
+ if (WARN_ON(divisor - 2 >= ARRAY_SIZE(inv)))
+ return dividend;
+
+ return ((u64)dividend * inv[divisor - 2]) >> 32;
+}
+
+static const u8 vp9_kf_y_mode_prob[10][10][9] = {
+ {
+ /* above = dc */
+ { 137, 30, 42, 148, 151, 207, 70, 52, 91 },/*left = dc */
+ { 92, 45, 102, 136, 116, 180, 74, 90, 100 },/*left = v */
+ { 73, 32, 19, 187, 222, 215, 46, 34, 100 },/*left = h */
+ { 91, 30, 32, 116, 121, 186, 93, 86, 94 },/*left = d45 */
+ { 72, 35, 36, 149, 68, 206, 68, 63, 105 },/*left = d135*/
+ { 73, 31, 28, 138, 57, 124, 55, 122, 151 },/*left = d117*/
+ { 67, 23, 21, 140, 126, 197, 40, 37, 171 },/*left = d153*/
+ { 86, 27, 28, 128, 154, 212, 45, 43, 53 },/*left = d207*/
+ { 74, 32, 27, 107, 86, 160, 63, 134, 102 },/*left = d63 */
+ { 59, 67, 44, 140, 161, 202, 78, 67, 119 } /*left = tm */
+ }, { /* above = v */
+ { 63, 36, 126, 146, 123, 158, 60, 90, 96 },/*left = dc */
+ { 43, 46, 168, 134, 107, 128, 69, 142, 92 },/*left = v */
+ { 44, 29, 68, 159, 201, 177, 50, 57, 77 },/*left = h */
+ { 58, 38, 76, 114, 97, 172, 78, 133, 92 },/*left = d45 */
+ { 46, 41, 76, 140, 63, 184, 69, 112, 57 },/*left = d135*/
+ { 38, 32, 85, 140, 46, 112, 54, 151, 133 },/*left = d117*/
+ { 39, 27, 61, 131, 110, 175, 44, 75, 136 },/*left = d153*/
+ { 52, 30, 74, 113, 130, 175, 51, 64, 58 },/*left = d207*/
+ { 47, 35, 80, 100, 74, 143, 64, 163, 74 },/*left = d63 */
+ { 36, 61, 116, 114, 128, 162, 80, 125, 82 } /*left = tm */
+ }, { /* above = h */
+ { 82, 26, 26, 171, 208, 204, 44, 32, 105 },/*left = dc */
+ { 55, 44, 68, 166, 179, 192, 57, 57, 108 },/*left = v */
+ { 42, 26, 11, 199, 241, 228, 23, 15, 85 },/*left = h */
+ { 68, 42, 19, 131, 160, 199, 55, 52, 83 },/*left = d45 */
+ { 58, 50, 25, 139, 115, 232, 39, 52, 118 },/*left = d135*/
+ { 50, 35, 33, 153, 104, 162, 64, 59, 131 },/*left = d117*/
+ { 44, 24, 16, 150, 177, 202, 33, 19, 156 },/*left = d153*/
+ { 55, 27, 12, 153, 203, 218, 26, 27, 49 },/*left = d207*/
+ { 53, 49, 21, 110, 116, 168, 59, 80, 76 },/*left = d63 */
+ { 38, 72, 19, 168, 203, 212, 50, 50, 107 } /*left = tm */
+ }, { /* above = d45 */
+ { 103, 26, 36, 129, 132, 201, 83, 80, 93 },/*left = dc */
+ { 59, 38, 83, 112, 103, 162, 98, 136, 90 },/*left = v */
+ { 62, 30, 23, 158, 200, 207, 59, 57, 50 },/*left = h */
+ { 67, 30, 29, 84, 86, 191, 102, 91, 59 },/*left = d45 */
+ { 60, 32, 33, 112, 71, 220, 64, 89, 104 },/*left = d135*/
+ { 53, 26, 34, 130, 56, 149, 84, 120, 103 },/*left = d117*/
+ { 53, 21, 23, 133, 109, 210, 56, 77, 172 },/*left = d153*/
+ { 77, 19, 29, 112, 142, 228, 55, 66, 36 },/*left = d207*/
+ { 61, 29, 29, 93, 97, 165, 83, 175, 162 },/*left = d63 */
+ { 47, 47, 43, 114, 137, 181, 100, 99, 95 } /*left = tm */
+ }, { /* above = d135 */
+ { 69, 23, 29, 128, 83, 199, 46, 44, 101 },/*left = dc */
+ { 53, 40, 55, 139, 69, 183, 61, 80, 110 },/*left = v */
+ { 40, 29, 19, 161, 180, 207, 43, 24, 91 },/*left = h */
+ { 60, 34, 19, 105, 61, 198, 53, 64, 89 },/*left = d45 */
+ { 52, 31, 22, 158, 40, 209, 58, 62, 89 },/*left = d135*/
+ { 44, 31, 29, 147, 46, 158, 56, 102, 198 },/*left = d117*/
+ { 35, 19, 12, 135, 87, 209, 41, 45, 167 },/*left = d153*/
+ { 55, 25, 21, 118, 95, 215, 38, 39, 66 },/*left = d207*/
+ { 51, 38, 25, 113, 58, 164, 70, 93, 97 },/*left = d63 */
+ { 47, 54, 34, 146, 108, 203, 72, 103, 151 } /*left = tm */
+ }, { /* above = d117 */
+ { 64, 19, 37, 156, 66, 138, 49, 95, 133 },/*left = dc */
+ { 46, 27, 80, 150, 55, 124, 55, 121, 135 },/*left = v */
+ { 36, 23, 27, 165, 149, 166, 54, 64, 118 },/*left = h */
+ { 53, 21, 36, 131, 63, 163, 60, 109, 81 },/*left = d45 */
+ { 40, 26, 35, 154, 40, 185, 51, 97, 123 },/*left = d135*/
+ { 35, 19, 34, 179, 19, 97, 48, 129, 124 },/*left = d117*/
+ { 36, 20, 26, 136, 62, 164, 33, 77, 154 },/*left = d153*/
+ { 45, 18, 32, 130, 90, 157, 40, 79, 91 },/*left = d207*/
+ { 45, 26, 28, 129, 45, 129, 49, 147, 123 },/*left = d63 */
+ { 38, 44, 51, 136, 74, 162, 57, 97, 121 } /*left = tm */
+ }, { /* above = d153 */
+ { 75, 17, 22, 136, 138, 185, 32, 34, 166 },/*left = dc */
+ { 56, 39, 58, 133, 117, 173, 48, 53, 187 },/*left = v */
+ { 35, 21, 12, 161, 212, 207, 20, 23, 145 },/*left = h */
+ { 56, 29, 19, 117, 109, 181, 55, 68, 112 },/*left = d45 */
+ { 47, 29, 17, 153, 64, 220, 59, 51, 114 },/*left = d135*/
+ { 46, 16, 24, 136, 76, 147, 41, 64, 172 },/*left = d117*/
+ { 34, 17, 11, 108, 152, 187, 13, 15, 209 },/*left = d153*/
+ { 51, 24, 14, 115, 133, 209, 32, 26, 104 },/*left = d207*/
+ { 55, 30, 18, 122, 79, 179, 44, 88, 116 },/*left = d63 */
+ { 37, 49, 25, 129, 168, 164, 41, 54, 148 } /*left = tm */
+ }, { /* above = d207 */
+ { 82, 22, 32, 127, 143, 213, 39, 41, 70 },/*left = dc */
+ { 62, 44, 61, 123, 105, 189, 48, 57, 64 },/*left = v */
+ { 47, 25, 17, 175, 222, 220, 24, 30, 86 },/*left = h */
+ { 68, 36, 17, 106, 102, 206, 59, 74, 74 },/*left = d45 */
+ { 57, 39, 23, 151, 68, 216, 55, 63, 58 },/*left = d135*/
+ { 49, 30, 35, 141, 70, 168, 82, 40, 115 },/*left = d117*/
+ { 51, 25, 15, 136, 129, 202, 38, 35, 139 },/*left = d153*/
+ { 68, 26, 16, 111, 141, 215, 29, 28, 28 },/*left = d207*/
+ { 59, 39, 19, 114, 75, 180, 77, 104, 42 },/*left = d63 */
+ { 40, 61, 26, 126, 152, 206, 61, 59, 93 } /*left = tm */
+ }, { /* above = d63 */
+ { 78, 23, 39, 111, 117, 170, 74, 124, 94 },/*left = dc */
+ { 48, 34, 86, 101, 92, 146, 78, 179, 134 },/*left = v */
+ { 47, 22, 24, 138, 187, 178, 68, 69, 59 },/*left = h */
+ { 56, 25, 33, 105, 112, 187, 95, 177, 129 },/*left = d45 */
+ { 48, 31, 27, 114, 63, 183, 82, 116, 56 },/*left = d135*/
+ { 43, 28, 37, 121, 63, 123, 61, 192, 169 },/*left = d117*/
+ { 42, 17, 24, 109, 97, 177, 56, 76, 122 },/*left = d153*/
+ { 58, 18, 28, 105, 139, 182, 70, 92, 63 },/*left = d207*/
+ { 46, 23, 32, 74, 86, 150, 67, 183, 88 },/*left = d63 */
+ { 36, 38, 48, 92, 122, 165, 88, 137, 91 } /*left = tm */
+ }, { /* above = tm */
+ { 65, 70, 60, 155, 159, 199, 61, 60, 81 },/*left = dc */
+ { 44, 78, 115, 132, 119, 173, 71, 112, 93 },/*left = v */
+ { 39, 38, 21, 184, 227, 206, 42, 32, 64 },/*left = h */
+ { 58, 47, 36, 124, 137, 193, 80, 82, 78 },/*left = d45 */
+ { 49, 50, 35, 144, 95, 205, 63, 78, 59 },/*left = d135*/
+ { 41, 53, 52, 148, 71, 142, 65, 128, 51 },/*left = d117*/
+ { 40, 36, 28, 143, 143, 202, 40, 55, 137 },/*left = d153*/
+ { 52, 34, 29, 129, 183, 227, 42, 35, 43 },/*left = d207*/
+ { 42, 44, 44, 104, 105, 164, 64, 130, 80 },/*left = d63 */
+ { 43, 81, 53, 140, 169, 204, 68, 84, 72 } /*left = tm */
+ }
+};
+
+static const u8 kf_partition_probs[16][3] = {
+ /* 8x8 -> 4x4 */
+ { 158, 97, 94 }, /* a/l both not split */
+ { 93, 24, 99 }, /* a split, l not split */
+ { 85, 119, 44 }, /* l split, a not split */
+ { 62, 59, 67 }, /* a/l both split */
+ /* 16x16 -> 8x8 */
+ { 149, 53, 53 }, /* a/l both not split */
+ { 94, 20, 48 }, /* a split, l not split */
+ { 83, 53, 24 }, /* l split, a not split */
+ { 52, 18, 18 }, /* a/l both split */
+ /* 32x32 -> 16x16 */
+ { 150, 40, 39 }, /* a/l both not split */
+ { 78, 12, 26 }, /* a split, l not split */
+ { 67, 33, 11 }, /* l split, a not split */
+ { 24, 7, 5 }, /* a/l both split */
+ /* 64x64 -> 32x32 */
+ { 174, 35, 49 }, /* a/l both not split */
+ { 68, 11, 27 }, /* a split, l not split */
+ { 57, 15, 9 }, /* l split, a not split */
+ { 12, 3, 3 }, /* a/l both split */
+};
+
+static const u8 kf_uv_mode_prob[10][9] = {
+ { 144, 11, 54, 157, 195, 130, 46, 58, 108 }, /* y = dc */
+ { 118, 15, 123, 148, 131, 101, 44, 93, 131 }, /* y = v */
+ { 113, 12, 23, 188, 226, 142, 26, 32, 125 }, /* y = h */
+ { 120, 11, 50, 123, 163, 135, 64, 77, 103 }, /* y = d45 */
+ { 113, 9, 36, 155, 111, 157, 32, 44, 161 }, /* y = d135 */
+ { 116, 9, 55, 176, 76, 96, 37, 61, 149 }, /* y = d117 */
+ { 115, 9, 28, 141, 161, 167, 21, 25, 193 }, /* y = d153 */
+ { 120, 12, 32, 145, 195, 142, 32, 38, 86 }, /* y = d207 */
+ { 116, 12, 64, 120, 140, 125, 49, 115, 121 }, /* y = d63 */
+ { 102, 19, 66, 162, 182, 122, 35, 59, 128 } /* y = tm */
+};
+
+static void write_coeff_plane(const u8 coef[6][6][3], u8 *coeff_plane)
+{
+ unsigned int idx = 0;
+ u8 byte_count = 0, p;
+ s32 k, m, n;
+
+ for (k = 0; k < 6; k++) {
+ for (m = 0; m < 6; m++) {
+ for (n = 0; n < 3; n++) {
+ p = coef[k][m][n];
+ coeff_plane[idx++] = p;
+ byte_count++;
+ if (byte_count == 27) {
+ idx += 5;
+ byte_count = 0;
+ }
+ }
+ }
+ }
+}
+
+static void init_intra_only_probs(struct rkvdec_ctx *ctx,
+ const struct rkvdec_vp9_run *run)
+{
+ const struct v4l2_ctrl_vp9_frame_decode_params *dec_params;
+ struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
+ struct rkvdec_vp9_priv_tbl *tbl = vp9_ctx->priv_tbl.cpu;
+ struct rkvdec_vp9_intra_only_frame_probs *rkprobs;
+ const struct v4l2_vp9_probabilities *probs;
+ unsigned int i, j, k, m;
+
+ rkprobs = &tbl->probs.intra_only;
+ dec_params = run->decode_params;
+ probs = &dec_params->probs;
+
+ /*
+ * intra only 149 x 128 bits ,aligned to 152 x 128 bits coeff related
+ * prob 64 x 128 bits
+ */
+ for (i = 0; i < ARRAY_SIZE(probs->coef); i++) {
+ for (j = 0; j < ARRAY_SIZE(probs->coef[0]); j++)
+ write_coeff_plane(probs->coef[i][j][0],
+ rkprobs->coef_intra[i][j]);
+ }
+
+ /* intra mode prob 80 x 128 bits */
+ for (i = 0; i < ARRAY_SIZE(vp9_kf_y_mode_prob); i++) {
+ u32 byte_count = 0;
+ int idx = 0;
+
+ /* vp9_kf_y_mode_prob */
+ for (j = 0; j < ARRAY_SIZE(vp9_kf_y_mode_prob[0]); j++) {
+ for (k = 0; k < ARRAY_SIZE(vp9_kf_y_mode_prob[0][0]);
+ k++) {
+ u8 val = vp9_kf_y_mode_prob[i][j][k];
+
+ rkprobs->intra_mode[i].y_mode[idx++] = val;
+ byte_count++;
+ if (byte_count == 27) {
+ byte_count = 0;
+ idx += 5;
+ }
+ }
+ }
+
+ idx = 0;
+ if (i < 4) {
+ for (m = 0; m < (i < 3 ? 23 : 21); m++) {
+ const u8 *ptr = (const u8 *)kf_uv_mode_prob;
+
+ rkprobs->intra_mode[i].uv_mode[idx++] = ptr[i * 23 + m];
+ }
+ }
+ }
+}
+
+static void init_inter_probs(struct rkvdec_ctx *ctx,
+ const struct rkvdec_vp9_run *run)
+{
+ const struct v4l2_ctrl_vp9_frame_decode_params *dec_params;
+ struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
+ struct rkvdec_vp9_priv_tbl *tbl = vp9_ctx->priv_tbl.cpu;
+ struct rkvdec_vp9_inter_frame_probs *rkprobs;
+ const struct v4l2_vp9_probabilities *probs;
+ unsigned int i, j, k;
+
+ rkprobs = &tbl->probs.inter;
+ dec_params = run->decode_params;
+ probs = &dec_params->probs;
+
+ /*
+ * inter probs
+ * 151 x 128 bits, aligned to 152 x 128 bits
+ * inter only
+ * intra_y_mode & inter_block info 6 x 128 bits
+ */
+
+ memcpy(rkprobs->y_mode, probs->y_mode, sizeof(rkprobs->y_mode));
+ memcpy(rkprobs->comp_mode, probs->comp_mode,
+ sizeof(rkprobs->comp_mode));
+ memcpy(rkprobs->comp_ref, probs->comp_ref,
+ sizeof(rkprobs->comp_ref));
+ memcpy(rkprobs->single_ref, probs->single_ref,
+ sizeof(rkprobs->single_ref));
+ memcpy(rkprobs->inter_mode, probs->inter_mode,
+ sizeof(rkprobs->inter_mode));
+ memcpy(rkprobs->interp_filter, probs->interp_filter,
+ sizeof(rkprobs->interp_filter));
+
+ /* 128 x 128 bits coeff related */
+ for (i = 0; i < ARRAY_SIZE(probs->coef); i++) {
+ for (j = 0; j < ARRAY_SIZE(probs->coef[0]); j++) {
+ for (k = 0; k < ARRAY_SIZE(probs->coef[0][0]); k++)
+ write_coeff_plane(probs->coef[i][j][k],
+ rkprobs->coef[k][i][j]);
+ }
+ }
+
+ /* intra uv mode 6 x 128 */
+ memcpy(rkprobs->uv_mode_0_2, &probs->uv_mode[0],
+ sizeof(rkprobs->uv_mode_0_2));
+ memcpy(rkprobs->uv_mode_3_5, &probs->uv_mode[3],
+ sizeof(rkprobs->uv_mode_3_5));
+ memcpy(rkprobs->uv_mode_6_8, &probs->uv_mode[6],
+ sizeof(rkprobs->uv_mode_6_8));
+ memcpy(rkprobs->uv_mode_9, &probs->uv_mode[9],
+ sizeof(rkprobs->uv_mode_9));
+
+ /* mv related 6 x 128 */
+ memcpy(rkprobs->mv.joint, probs->mv.joint,
+ sizeof(rkprobs->mv.joint));
+ memcpy(rkprobs->mv.sign, probs->mv.sign,
+ sizeof(rkprobs->mv.sign));
+ memcpy(rkprobs->mv.class, probs->mv.class,
+ sizeof(rkprobs->mv.class));
+ memcpy(rkprobs->mv.class0_bit, probs->mv.class0_bit,
+ sizeof(rkprobs->mv.class0_bit));
+ memcpy(rkprobs->mv.bits, probs->mv.bits,
+ sizeof(rkprobs->mv.bits));
+ memcpy(rkprobs->mv.class0_fr, probs->mv.class0_fr,
+ sizeof(rkprobs->mv.class0_fr));
+ memcpy(rkprobs->mv.fr, probs->mv.fr,
+ sizeof(rkprobs->mv.fr));
+ memcpy(rkprobs->mv.class0_hp, probs->mv.class0_hp,
+ sizeof(rkprobs->mv.class0_hp));
+ memcpy(rkprobs->mv.hp, probs->mv.hp,
+ sizeof(rkprobs->mv.hp));
+}
+
+static void init_probs(struct rkvdec_ctx *ctx,
+ const struct rkvdec_vp9_run *run)
+{
+ const struct v4l2_ctrl_vp9_frame_decode_params *dec_params;
+ struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
+ struct rkvdec_vp9_priv_tbl *tbl = vp9_ctx->priv_tbl.cpu;
+ struct rkvdec_vp9_probs *rkprobs = &tbl->probs;
+ const struct v4l2_vp9_segmentation *seg;
+ const struct v4l2_vp9_probabilities *probs;
+ bool intra_only;
+
+ dec_params = run->decode_params;
+ probs = &dec_params->probs;
+ seg = &dec_params->seg;
+
+ memset(rkprobs, 0, sizeof(*rkprobs));
+
+ intra_only = !!(dec_params->flags &
+ (V4L2_VP9_FRAME_FLAG_KEY_FRAME |
+ V4L2_VP9_FRAME_FLAG_INTRA_ONLY));
+
+ /* sb info 5 x 128 bit */
+ memcpy(rkprobs->partition,
+ intra_only ? kf_partition_probs : probs->partition,
+ sizeof(rkprobs->partition));
+
+ memcpy(rkprobs->pred, seg->pred_probs, sizeof(rkprobs->pred));
+ memcpy(rkprobs->tree, seg->tree_probs, sizeof(rkprobs->tree));
+ memcpy(rkprobs->skip, probs->skip, sizeof(rkprobs->skip));
+ memcpy(rkprobs->tx32, probs->tx32, sizeof(rkprobs->tx32));
+ memcpy(rkprobs->tx16, probs->tx16, sizeof(rkprobs->tx16));
+ memcpy(rkprobs->tx8, probs->tx8, sizeof(rkprobs->tx8));
+ memcpy(rkprobs->is_inter, probs->is_inter, sizeof(rkprobs->is_inter));
+
+ if (intra_only)
+ init_intra_only_probs(ctx, run);
+ else
+ init_inter_probs(ctx, run);
+}
+
+struct vp9d_ref_config {
+ u32 reg_frm_size;
+ u32 reg_hor_stride;
+ u32 reg_y_stride;
+ u32 reg_yuv_stride;
+ u32 reg_ref_base;
+};
+
+static struct vp9d_ref_config ref_config[3] = {
+ {
+ .reg_frm_size = RKVDEC_REG_VP9_FRAME_SIZE(0),
+ .reg_hor_stride = RKVDEC_VP9_HOR_VIRSTRIDE(0),
+ .reg_y_stride = RKVDEC_VP9_LAST_FRAME_YSTRIDE,
+ .reg_yuv_stride = RKVDEC_VP9_LAST_FRAME_YUVSTRIDE,
+ .reg_ref_base = RKVDEC_REG_VP9_LAST_FRAME_BASE,
+ },
+ {
+ .reg_frm_size = RKVDEC_REG_VP9_FRAME_SIZE(1),
+ .reg_hor_stride = RKVDEC_VP9_HOR_VIRSTRIDE(1),
+ .reg_y_stride = RKVDEC_VP9_GOLDEN_FRAME_YSTRIDE,
+ .reg_yuv_stride = 0,
+ .reg_ref_base = RKVDEC_REG_VP9_GOLDEN_FRAME_BASE,
+ },
+ {
+ .reg_frm_size = RKVDEC_REG_VP9_FRAME_SIZE(2),
+ .reg_hor_stride = RKVDEC_VP9_HOR_VIRSTRIDE(2),
+ .reg_y_stride = RKVDEC_VP9_ALTREF_FRAME_YSTRIDE,
+ .reg_yuv_stride = 0,
+ .reg_ref_base = RKVDEC_REG_VP9_ALTREF_FRAME_BASE,
+ }
+};
+
+static struct rkvdec_decoded_buffer *
+get_ref_buf(struct rkvdec_ctx *ctx, struct vb2_v4l2_buffer *dst, u64 timestamp)
+{
+ struct v4l2_m2m_ctx *m2m_ctx = ctx->fh.m2m_ctx;
+ struct vb2_queue *cap_q = &m2m_ctx->cap_q_ctx.q;
+ int buf_idx;
+
+ /*
+ * If a ref is unused or invalid, address of current destination
+ * buffer is returned.
+ */
+ buf_idx = vb2_find_timestamp(cap_q, timestamp, 0);
+ if (buf_idx < 0)
+ return vb2_to_rkvdec_decoded_buf(&dst->vb2_buf);
+
+ return vb2_to_rkvdec_decoded_buf(vb2_get_buffer(cap_q, buf_idx));
+}
+
+static dma_addr_t get_mv_base_addr(struct rkvdec_decoded_buffer *buf)
+{
+ u32 aligned_pitch, aligned_height, yuv_len;
+
+ aligned_height = round_up(buf->vp9.height, 64);
+ aligned_pitch = round_up(buf->vp9.width * buf->vp9.bit_depth, 512) / 8;
+ yuv_len = (aligned_height * aligned_pitch * 3) / 2;
+
+ return vb2_dma_contig_plane_dma_addr(&buf->base.vb.vb2_buf, 0) +
+ yuv_len;
+}
+
+static void
+config_ref_registers(struct rkvdec_ctx *ctx,
+ const struct rkvdec_vp9_run *run,
+ struct rkvdec_decoded_buffer **ref_bufs,
+ enum v4l2_vp9_ref_id id)
+{
+ u32 aligned_pitch, aligned_height, y_len, yuv_len;
+ struct rkvdec_decoded_buffer *buf = ref_bufs[id];
+ struct rkvdec_dev *rkvdec = ctx->dev;
+
+ aligned_height = round_up(buf->vp9.height, 64);
+ writel_relaxed(RKVDEC_VP9_FRAMEWIDTH(buf->vp9.width) |
+ RKVDEC_VP9_FRAMEHEIGHT(buf->vp9.height),
+ rkvdec->regs + ref_config[id].reg_frm_size);
+
+ writel_relaxed(vb2_dma_contig_plane_dma_addr(&buf->base.vb.vb2_buf, 0),
+ rkvdec->regs + ref_config[id].reg_ref_base);
+
+ if (&buf->base.vb == run->base.bufs.dst)
+ return;
+
+ aligned_pitch = round_up(buf->vp9.width * buf->vp9.bit_depth, 512) / 8;
+ y_len = aligned_height * aligned_pitch;
+ yuv_len = (y_len * 3) / 2;
+
+ writel_relaxed(RKVDEC_HOR_Y_VIRSTRIDE(aligned_pitch / 16) |
+ RKVDEC_HOR_UV_VIRSTRIDE(aligned_pitch / 16),
+ rkvdec->regs + ref_config[id].reg_hor_stride);
+ writel_relaxed(RKVDEC_VP9_REF_YSTRIDE(y_len / 16),
+ rkvdec->regs + ref_config[id].reg_y_stride);
+
+ if (!ref_config[id].reg_yuv_stride)
+ return;
+
+ writel_relaxed(RKVDEC_VP9_REF_YUVSTRIDE(yuv_len / 16),
+ rkvdec->regs + ref_config[id].reg_yuv_stride);
+}
+
+static bool seg_featured_enabled(const struct v4l2_vp9_segmentation *seg,
+ enum v4l2_vp9_segment_feature feature,
+ unsigned int segid)
+{
+ u8 mask = V4L2_VP9_SEGMENT_FEATURE_ENABLED(feature);
+
+ return !!(seg->feature_enabled[segid] & mask);
+}
+
+static void
+config_seg_registers(struct rkvdec_ctx *ctx,
+ unsigned int segid)
+{
+ struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
+ const struct v4l2_vp9_segmentation *seg;
+ struct rkvdec_dev *rkvdec = ctx->dev;
+ s16 feature_val;
+ u8 feature_id;
+ u32 val = 0;
+
+ seg = vp9_ctx->last.valid ? &vp9_ctx->last.seg : &vp9_ctx->cur.seg;
+ feature_id = V4L2_VP9_SEGMENT_FEATURE_QP_DELTA;
+ if (seg_featured_enabled(seg, feature_id, segid)) {
+ feature_val = seg->feature_data[segid][feature_id];
+ val |= RKVDEC_SEGID_FRAME_QP_DELTA_EN(1) |
+ RKVDEC_SEGID_FRAME_QP_DELTA(feature_val);
+ }
+
+ feature_id = V4L2_VP9_SEGMENT_FEATURE_LF;
+ if (seg_featured_enabled(seg, feature_id, segid)) {
+ feature_val = seg->feature_data[segid][feature_id];
+ val |= RKVDEC_SEGID_FRAME_LOOPFILTER_VALUE_EN(1) |
+ RKVDEC_SEGID_FRAME_LOOPFILTER_VALUE(feature_val);
+ }
+
+ feature_id = V4L2_VP9_SEGMENT_FEATURE_REF_FRAME;
+ if (seg_featured_enabled(seg, feature_id, segid)) {
+ feature_val = seg->feature_data[segid][feature_id];
+ val |= RKVDEC_SEGID_REFERINFO_EN(1) |
+ RKVDEC_SEGID_REFERINFO(feature_val);
+ }
+
+ feature_id = V4L2_VP9_SEGMENT_FEATURE_SKIP;
+ if (seg_featured_enabled(seg, feature_id, segid))
+ val |= RKVDEC_SEGID_FRAME_SKIP_EN(1);
+
+ if (!segid &&
+ (seg->flags & V4L2_VP9_SEGMENTATION_FLAG_ABS_OR_DELTA_UPDATE))
+ val |= RKVDEC_SEGID_ABS_DELTA(1);
+
+ writel_relaxed(val, rkvdec->regs + RKVDEC_VP9_SEGID_GRP(segid));
+}
+
+static void
+update_dec_buf_info(struct rkvdec_decoded_buffer *buf,
+ const struct v4l2_ctrl_vp9_frame_decode_params *dec_params)
+{
+ buf->vp9.width = dec_params->frame_width_minus_1 + 1;
+ buf->vp9.height = dec_params->frame_height_minus_1 + 1;
+ buf->vp9.bit_depth = dec_params->bit_depth;
+}
+
+static void
+update_ctx_cur_info(struct rkvdec_vp9_ctx *vp9_ctx,
+ struct rkvdec_decoded_buffer *buf,
+ const struct v4l2_ctrl_vp9_frame_decode_params *dec_params)
+{
+ vp9_ctx->cur.valid = true;
+ vp9_ctx->cur.frame_context_idx = dec_params->frame_context_idx;
+ vp9_ctx->cur.reference_mode = dec_params->reference_mode;
+ vp9_ctx->cur.tx_mode = dec_params->tx_mode;
+ vp9_ctx->cur.interpolation_filter = dec_params->interpolation_filter;
+ vp9_ctx->cur.flags = dec_params->flags;
+ vp9_ctx->cur.timestamp = buf->base.vb.vb2_buf.timestamp;
+ vp9_ctx->cur.seg = dec_params->seg;
+ vp9_ctx->cur.lf = dec_params->lf;
+}
+
+static void
+update_ctx_last_info(struct rkvdec_vp9_ctx *vp9_ctx)
+{
+ vp9_ctx->last = vp9_ctx->cur;
+}
+
+static void config_registers(struct rkvdec_ctx *ctx,
+ const struct rkvdec_vp9_run *run)
+{
+ u32 y_len, uv_len, yuv_len, bit_depth, aligned_height, aligned_pitch;
+ const struct v4l2_ctrl_vp9_frame_decode_params *dec_params;
+ struct rkvdec_decoded_buffer *ref_bufs[V4L2_REF_ID_CNT];
+ struct rkvdec_decoded_buffer *dst, *last, *mv_ref;
+ struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
+ u32 val, stream_len, last_frame_info = 0;
+ const struct v4l2_vp9_segmentation *seg;
+ struct rkvdec_dev *rkvdec = ctx->dev;
+ dma_addr_t addr;
+ bool intra_only;
+ unsigned int i;
+
+ dec_params = run->decode_params;
+ dst = vb2_to_rkvdec_decoded_buf(&run->base.bufs.dst->vb2_buf);
+ for (i = 0; i < ARRAY_SIZE(ref_bufs); i++)
+ ref_bufs[i] = get_ref_buf(ctx, &dst->base.vb,
+ dec_params->refs[i]);
+
+ if (vp9_ctx->last.valid)
+ last = get_ref_buf(ctx, &dst->base.vb, vp9_ctx->last.timestamp);
+ else
+ last = dst;
+
+ update_dec_buf_info(dst, dec_params);
+ update_ctx_cur_info(vp9_ctx, dst, dec_params);
+ seg = &dec_params->seg;
+
+ intra_only = !!(dec_params->flags &
+ (V4L2_VP9_FRAME_FLAG_KEY_FRAME |
+ V4L2_VP9_FRAME_FLAG_INTRA_ONLY));
+
+ writel_relaxed(RKVDEC_MODE(RKVDEC_MODE_VP9),
+ rkvdec->regs + RKVDEC_REG_SYSCTRL);
+
+ bit_depth = dec_params->bit_depth;
+ aligned_height = round_up(ctx->decoded_fmt.fmt.pix_mp.height, 64);
+
+ aligned_pitch = round_up(ctx->decoded_fmt.fmt.pix_mp.width *
+ bit_depth,
+ 512) / 8;
+ y_len = aligned_height * aligned_pitch;
+ uv_len = y_len / 2;
+ yuv_len = y_len + uv_len;
+
+ writel_relaxed(RKVDEC_Y_HOR_VIRSTRIDE(aligned_pitch / 16) |
+ RKVDEC_UV_HOR_VIRSTRIDE(aligned_pitch / 16),
+ rkvdec->regs + RKVDEC_REG_PICPAR);
+ writel_relaxed(RKVDEC_Y_VIRSTRIDE(y_len / 16),
+ rkvdec->regs + RKVDEC_REG_Y_VIRSTRIDE);
+ writel_relaxed(RKVDEC_YUV_VIRSTRIDE(yuv_len / 16),
+ rkvdec->regs + RKVDEC_REG_YUV_VIRSTRIDE);
+
+ stream_len = vb2_get_plane_payload(&run->base.bufs.src->vb2_buf, 0);
+ writel_relaxed(RKVDEC_STRM_LEN(stream_len),
+ rkvdec->regs + RKVDEC_REG_STRM_LEN);
+
+ /*
+ * Reset count buffer, because decoder only output intra related syntax
+ * counts when decoding intra frame, but update entropy need to update
+ * all the probabilities.
+ */
+ if (intra_only)
+ memset(vp9_ctx->count_tbl.cpu, 0, vp9_ctx->count_tbl.size);
+
+ vp9_ctx->cur.segmapid = vp9_ctx->last.segmapid;
+ if (!intra_only &&
+ !(dec_params->flags & V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT) &&
+ (!(seg->flags & V4L2_VP9_SEGMENTATION_FLAG_ENABLED) ||
+ (seg->flags & V4L2_VP9_SEGMENTATION_FLAG_UPDATE_MAP)))
+ vp9_ctx->cur.segmapid++;
+
+ for (i = 0; i < ARRAY_SIZE(ref_bufs); i++)
+ config_ref_registers(ctx, run, ref_bufs, i);
+
+ for (i = 0; i < 8; i++)
+ config_seg_registers(ctx, i);
+
+ writel_relaxed(RKVDEC_VP9_TX_MODE(dec_params->tx_mode) |
+ RKVDEC_VP9_FRAME_REF_MODE(dec_params->reference_mode),
+ rkvdec->regs + RKVDEC_VP9_CPRHEADER_CONFIG);
+
+ if (!intra_only) {
+ const struct v4l2_vp9_loop_filter *lf;
+ s8 delta;
+
+ if (vp9_ctx->last.valid)
+ lf = &vp9_ctx->last.lf;
+ else
+ lf = &vp9_ctx->cur.lf;
+
+ val = 0;
+ for (i = 0; i < ARRAY_SIZE(lf->ref_deltas); i++) {
+ delta = lf->ref_deltas[i];
+ val |= RKVDEC_REF_DELTAS_LASTFRAME(i, delta);
+ }
+
+ writel_relaxed(val,
+ rkvdec->regs + RKVDEC_VP9_REF_DELTAS_LASTFRAME);
+
+ for (i = 0; i < ARRAY_SIZE(lf->mode_deltas); i++) {
+ delta = lf->mode_deltas[i];
+ last_frame_info |= RKVDEC_MODE_DELTAS_LASTFRAME(i,
+ delta);
+ }
+ }
+
+ if (vp9_ctx->last.valid && !intra_only &&
+ vp9_ctx->last.seg.flags & V4L2_VP9_SEGMENTATION_FLAG_ENABLED)
+ last_frame_info |= RKVDEC_SEG_EN_LASTFRAME;
+
+ if (vp9_ctx->last.valid &&
+ vp9_ctx->last.flags & V4L2_VP9_FRAME_FLAG_SHOW_FRAME)
+ last_frame_info |= RKVDEC_LAST_SHOW_FRAME;
+
+ if (vp9_ctx->last.valid &&
+ vp9_ctx->last.flags &
+ (V4L2_VP9_FRAME_FLAG_KEY_FRAME | V4L2_VP9_FRAME_FLAG_INTRA_ONLY))
+ last_frame_info |= RKVDEC_LAST_INTRA_ONLY;
+
+ if (vp9_ctx->last.valid &&
+ last->vp9.width == dst->vp9.width &&
+ last->vp9.height == dst->vp9.height)
+ last_frame_info |= RKVDEC_LAST_WIDHHEIGHT_EQCUR;
+
+ writel_relaxed(last_frame_info,
+ rkvdec->regs + RKVDEC_VP9_INFO_LASTFRAME);
+
+ writel_relaxed(stream_len - dec_params->compressed_header_size -
+ dec_params->uncompressed_header_size,
+ rkvdec->regs + RKVDEC_VP9_LASTTILE_SIZE);
+
+ for (i = 0; !intra_only && i < ARRAY_SIZE(ref_bufs); i++) {
+ u32 refw = ref_bufs[i]->vp9.width;
+ u32 refh = ref_bufs[i]->vp9.height;
+ u32 hscale, vscale;
+
+ hscale = (refw << 14) / dst->vp9.width;
+ vscale = (refh << 14) / dst->vp9.height;
+ writel_relaxed(RKVDEC_VP9_REF_HOR_SCALE(hscale) |
+ RKVDEC_VP9_REF_VER_SCALE(vscale),
+ rkvdec->regs + RKVDEC_VP9_REF_SCALE(i));
+ }
+
+ addr = vb2_dma_contig_plane_dma_addr(&dst->base.vb.vb2_buf, 0);
+ writel_relaxed(addr, rkvdec->regs + RKVDEC_REG_DECOUT_BASE);
+ addr = vb2_dma_contig_plane_dma_addr(&run->base.bufs.src->vb2_buf, 0);
+ writel_relaxed(addr, rkvdec->regs + RKVDEC_REG_STRM_RLC_BASE);
+ writel_relaxed(vp9_ctx->priv_tbl.dma +
+ offsetof(struct rkvdec_vp9_priv_tbl, probs),
+ rkvdec->regs + RKVDEC_REG_CABACTBL_PROB_BASE);
+ writel_relaxed(vp9_ctx->count_tbl.dma,
+ rkvdec->regs + RKVDEC_REG_VP9COUNT_BASE);
+
+ writel_relaxed(vp9_ctx->priv_tbl.dma +
+ offsetof(struct rkvdec_vp9_priv_tbl, segmap) +
+ (RKVDEC_VP9_MAX_SEGMAP_SIZE * vp9_ctx->cur.segmapid),
+ rkvdec->regs + RKVDEC_REG_VP9_SEGIDCUR_BASE);
+ writel_relaxed(vp9_ctx->priv_tbl.dma +
+ offsetof(struct rkvdec_vp9_priv_tbl, segmap) +
+ (RKVDEC_VP9_MAX_SEGMAP_SIZE * (!vp9_ctx->cur.segmapid)),
+ rkvdec->regs + RKVDEC_REG_VP9_SEGIDLAST_BASE);
+
+ if (!intra_only &&
+ !(dec_params->flags & V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT) &&
+ vp9_ctx->last.valid)
+ mv_ref = last;
+ else
+ mv_ref = dst;
+
+ writel_relaxed(get_mv_base_addr(mv_ref),
+ rkvdec->regs + RKVDEC_VP9_REF_COLMV_BASE);
+
+ writel_relaxed(ctx->decoded_fmt.fmt.pix_mp.width |
+ (ctx->decoded_fmt.fmt.pix_mp.height << 16),
+ rkvdec->regs + RKVDEC_REG_PERFORMANCE_CYCLE);
+}
+
+static int
+validate_dec_params(struct rkvdec_ctx *ctx,
+ const struct v4l2_ctrl_vp9_frame_decode_params *dec_params)
+{
+ unsigned int aligned_width, aligned_height;
+
+ /* We only support profile 0. */
+ if (dec_params->profile != 0) {
+ dev_err(ctx->dev->dev, "unsupported profile %d\n",
+ dec_params->profile);
+ return -EINVAL;
+ }
+
+ aligned_width = round_up(dec_params->frame_width_minus_1 + 1, 64);
+ aligned_height = round_up(dec_params->frame_height_minus_1 + 1, 64);
+
+ /*
+ * Userspace should update the capture/decoded format when the
+ * resolution changes.
+ */
+ if (aligned_width != ctx->decoded_fmt.fmt.pix_mp.width ||
+ aligned_height != ctx->decoded_fmt.fmt.pix_mp.height) {
+ dev_err(ctx->dev->dev,
+ "unexpected bitstream resolution %dx%d\n",
+ dec_params->frame_width_minus_1 + 1,
+ dec_params->frame_height_minus_1 +1);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int rkvdec_vp9_run_preamble(struct rkvdec_ctx *ctx,
+ struct rkvdec_vp9_run *run)
+{
+ const struct v4l2_ctrl_vp9_frame_decode_params *dec_params;
+ const struct v4l2_ctrl_vp9_frame_ctx *fctx = NULL;
+ struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
+ struct v4l2_ctrl *ctrl;
+ u8 frm_ctx;
+ int ret;
+
+ rkvdec_run_preamble(ctx, &run->base);
+
+ ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
+ V4L2_CID_MPEG_VIDEO_VP9_FRAME_DECODE_PARAMS);
+ WARN_ON(!ctrl);
+
+ dec_params = ctrl ? ctrl->p_cur.p : NULL;
+ if (WARN_ON(!dec_params))
+ return -EINVAL;
+
+ ret = validate_dec_params(ctx, dec_params);
+ if (ret)
+ return ret;
+
+ run->decode_params = dec_params;
+
+ /* No need to load the frame context if we don't need to update it. */
+ if (!(dec_params->flags & V4L2_VP9_FRAME_FLAG_REFRESH_FRAME_CTX))
+ return 0;
+
+ /*
+ * When a refresh context is requested in parallel mode, we should just
+ * update the context with the probs passed in the decode parameters.
+ */
+ if (dec_params->flags & V4L2_VP9_FRAME_FLAG_PARALLEL_DEC_MODE) {
+ vp9_ctx->frame_context.probs = dec_params->probs;
+ return 0;
+ }
+
+ frm_ctx = run->decode_params->frame_context_idx;
+ ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
+ V4L2_CID_MPEG_VIDEO_VP9_FRAME_CONTEXT(frm_ctx));
+ if (WARN_ON(!ctrl))
+ return 0;
+
+ fctx = ctrl->p_cur.p;
+ vp9_ctx->frame_context = *fctx;
+
+ /*
+ * For intra-only frames, we must update the context TX and skip probs
+ * with the value passed in the decode params.
+ */
+ if (dec_params->flags &
+ (V4L2_VP9_FRAME_FLAG_KEY_FRAME | V4L2_VP9_FRAME_FLAG_INTRA_ONLY)) {
+ struct v4l2_vp9_probabilities *probs;
+
+ probs = &vp9_ctx->frame_context.probs;
+ memcpy(probs->skip, dec_params->probs.skip,
+ sizeof(probs->skip));
+ memcpy(probs->tx8, dec_params->probs.tx8,
+ sizeof(probs->tx8));
+ memcpy(probs->tx16, dec_params->probs.tx16,
+ sizeof(probs->tx16));
+ memcpy(probs->tx32, dec_params->probs.tx32,
+ sizeof(probs->tx32));
+ }
+
+ return 0;
+}
+
+static int rkvdec_vp9_run(struct rkvdec_ctx *ctx)
+{
+ struct rkvdec_dev *rkvdec = ctx->dev;
+ struct rkvdec_vp9_run run = { };
+ int ret;
+
+ ret = rkvdec_vp9_run_preamble(ctx, &run);
+ if (ret) {
+ rkvdec_run_postamble(ctx, &run.base);
+ return ret;
+ }
+
+ /* Prepare probs. */
+ init_probs(ctx, &run);
+
+ /* Configure hardware registers. */
+ config_registers(ctx, &run);
+
+ rkvdec_run_postamble(ctx, &run.base);
+
+ schedule_delayed_work(&rkvdec->watchdog_work, msecs_to_jiffies(2000));
+
+ writel(1, rkvdec->regs + RKVDEC_REG_PREF_LUMA_CACHE_COMMAND);
+ writel(1, rkvdec->regs + RKVDEC_REG_PREF_CHR_CACHE_COMMAND);
+
+ writel(0xe, rkvdec->regs + RKVDEC_REG_STRMD_ERR_EN);
+ /* Start decoding! */
+ writel(RKVDEC_INTERRUPT_DEC_E | RKVDEC_CONFIG_DEC_CLK_GATE_E |
+ RKVDEC_TIMEOUT_E | RKVDEC_BUF_EMPTY_E,
+ rkvdec->regs + RKVDEC_REG_INTERRUPT);
+
+ return 0;
+}
+
+static u8 adapt_prob(u8 p1, u32 ct0, u32 ct1, u16 max_count, u32 update_factor)
+{
+ u32 ct = ct0 + ct1, p2;
+ u32 lo = 1;
+ u32 hi = 255;
+
+ if (!ct)
+ return p1;
+
+ p2 = ((ct0 << 8) + (ct >> 1)) / ct;
+ p2 = clamp(p2, lo, hi);
+ ct = min_t(u32, ct, max_count);
+
+ if (WARN_ON(max_count >= 257))
+ return p1;
+
+ update_factor = rkvdec_fastdiv(update_factor * ct, max_count);
+
+ return p1 + (((p2 - p1) * update_factor + 128) >> 8);
+}
+
+#define BAND_6(band) ((band) == 0 ? 3 : 6)
+
+static void adapt_coeff(u8 coef[6][6][3],
+ const struct rkvdec_vp9_refs_counts ref_cnt[6][6],
+ u32 uf)
+{
+ s32 l, m, n;
+
+ for (l = 0; l < 6; l++) {
+ for (m = 0; m < BAND_6(l); m++) {
+ u8 *p = coef[l][m];
+ const u32 n0 = ref_cnt[l][m].coeff[0];
+ const u32 n1 = ref_cnt[l][m].coeff[1];
+ const u32 n2 = ref_cnt[l][m].coeff[2];
+ const u32 neob = ref_cnt[l][m].eob[1];
+ const u32 eob_count = ref_cnt[l][m].eob[0];
+ const u32 branch_ct[3][2] = {
+ { neob, eob_count - neob },
+ { n0, n1 + n2 },
+ { n1, n2 }
+ };
+
+ for (n = 0; n < 3; n++)
+ p[n] = adapt_prob(p[n], branch_ct[n][0],
+ branch_ct[n][1], 24, uf);
+ }
+ }
+}
+
+static void
+adapt_coef_probs(struct v4l2_vp9_probabilities *probs,
+ const struct rkvdec_vp9_refs_counts ref_cnt[2][4][2][6][6],
+ unsigned int uf)
+{
+ unsigned int i, j, k;
+
+ for (i = 0; i < ARRAY_SIZE(probs->coef); i++) {
+ for (j = 0; j < ARRAY_SIZE(probs->coef[0]); j++) {
+ for (k = 0; k < ARRAY_SIZE(probs->coef[0][0]);
+ k++) {
+ adapt_coeff(probs->coef[i][j][k],
+ ref_cnt[k][i][j],
+ uf);
+ }
+ }
+ }
+}
+
+static void adapt_intra_frame_probs(struct rkvdec_ctx *ctx)
+{
+ struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
+ struct v4l2_vp9_probabilities *probs = &vp9_ctx->frame_context.probs;
+ const struct rkvdec_vp9_intra_frame_symbol_counts *sym_cnts;
+
+ sym_cnts = vp9_ctx->count_tbl.cpu;
+ adapt_coef_probs(probs, sym_cnts->ref_cnt, 112);
+}
+
+static void
+adapt_skip_probs(struct v4l2_vp9_probabilities *probs,
+ const struct rkvdec_vp9_inter_frame_symbol_counts *sym_cnts)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(probs->skip); i++)
+ probs->skip[i] = adapt_prob(probs->skip[i],
+ sym_cnts->skip[i][0],
+ sym_cnts->skip[i][1],
+ 20, 128);
+}
+
+static void
+adapt_is_inter_probs(struct v4l2_vp9_probabilities *probs,
+ const struct rkvdec_vp9_inter_frame_symbol_counts *sym_cnts)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(probs->is_inter); i++)
+ probs->is_inter[i] = adapt_prob(probs->is_inter[i],
+ sym_cnts->inter[i][0],
+ sym_cnts->inter[i][1],
+ 20, 128);
+}
+
+static void
+adapt_comp_mode_probs(struct v4l2_vp9_probabilities *probs,
+ const struct rkvdec_vp9_inter_frame_symbol_counts *sym_cnts)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(probs->comp_mode); i++)
+ probs->comp_mode[i] = adapt_prob(probs->comp_mode[i],
+ sym_cnts->comp[i][0],
+ sym_cnts->comp[i][1],
+ 20, 128);
+}
+
+static void
+adapt_comp_ref_probs(struct v4l2_vp9_probabilities *probs,
+ const struct rkvdec_vp9_inter_frame_symbol_counts *sym_cnts)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(probs->comp_ref); i++)
+ probs->comp_ref[i] = adapt_prob(probs->comp_ref[i],
+ sym_cnts->comp_ref[i][0],
+ sym_cnts->comp_ref[i][1],
+ 20, 128);
+}
+
+static void
+adapt_single_ref_probs(struct v4l2_vp9_probabilities *probs,
+ const struct rkvdec_vp9_inter_frame_symbol_counts *sym_cnts)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(probs->single_ref); i++) {
+ u8 *p = probs->single_ref[i];
+
+ p[0] = adapt_prob(p[0], sym_cnts->single_ref[i][0][0],
+ sym_cnts->single_ref[i][0][1], 20, 128);
+ p[1] = adapt_prob(p[1], sym_cnts->single_ref[i][1][0],
+ sym_cnts->single_ref[i][1][1], 20, 128);
+ }
+}
+
+static void
+adapt_partition_probs(struct v4l2_vp9_probabilities *probs,
+ const struct rkvdec_vp9_inter_frame_symbol_counts *sym_cnts)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(probs->partition); i++) {
+ const u32 *c = sym_cnts->partition[i];
+ u8 *p = probs->partition[i];
+
+ p[0] = adapt_prob(p[0], c[0], c[1] + c[2] + c[3], 20, 128);
+ p[1] = adapt_prob(p[1], c[1], c[2] + c[3], 20, 128);
+ p[2] = adapt_prob(p[2], c[2], c[3], 20, 128);
+ }
+}
+
+static void
+adapt_tx_probs(struct v4l2_vp9_probabilities *probs,
+ const struct rkvdec_vp9_inter_frame_symbol_counts *sym_cnts)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(probs->tx8); i++) {
+ u8 *p16x16 = probs->tx16[i];
+ u8 *p32x32 = probs->tx32[i];
+ const u32 *c16 = sym_cnts->tx16p[i];
+ const u32 *c32 = sym_cnts->tx32p[i];
+ const u32 *c8 = sym_cnts->tx8p[i];
+ u8 *p8x8 = probs->tx8[i];
+
+ p8x8[0] = adapt_prob(p8x8[0], c8[0], c8[1], 20, 128);
+ p16x16[0] = adapt_prob(p16x16[0], c16[0], c16[1] + c16[2],
+ 20, 128);
+ p16x16[1] = adapt_prob(p16x16[1], c16[1], c16[2], 20, 128);
+ p32x32[0] = adapt_prob(p32x32[0], c32[0],
+ c32[1] + c32[2] + c32[3], 20, 128);
+ p32x32[1] = adapt_prob(p32x32[1], c32[1], c32[2] + c32[3],
+ 20, 128);
+ p32x32[2] = adapt_prob(p32x32[2], c32[2], c32[3], 20, 128);
+ }
+}
+
+static void
+adapt_interp_filter_probs(struct v4l2_vp9_probabilities *probs,
+ const struct rkvdec_vp9_inter_frame_symbol_counts *sym_cnts)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(probs->interp_filter); i++) {
+ u8 *p = probs->interp_filter[i];
+ const u32 *c = sym_cnts->filter[i];
+
+ p[0] = adapt_prob(p[0], c[0], c[1] + c[2], 20, 128);
+ p[1] = adapt_prob(p[1], c[1], c[2], 20, 128);
+ }
+}
+
+static void
+adapt_inter_mode_probs(struct v4l2_vp9_probabilities *probs,
+ const struct rkvdec_vp9_inter_frame_symbol_counts *sym_cnts)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(probs->inter_mode); i++) {
+ const u32 *c = sym_cnts->mv_mode[i];
+ u8 *p = probs->inter_mode[i];
+
+ p[0] = adapt_prob(p[0], c[2], c[1] + c[0] + c[3], 20, 128);
+ p[1] = adapt_prob(p[1], c[0], c[1] + c[3], 20, 128);
+ p[2] = adapt_prob(p[2], c[1], c[3], 20, 128);
+ }
+}
+
+static void
+adapt_mv_probs(struct v4l2_vp9_probabilities *probs,
+ const struct rkvdec_vp9_inter_frame_symbol_counts *sym_cnts,
+ bool high_prec_mv)
+{
+ const u32 *c = sym_cnts->mv_joint;
+ u8 *p = probs->mv.joint;
+ unsigned int i, j;
+ u32 sum;
+
+ p[0] = adapt_prob(p[0], c[0], c[1] + c[2] + c[3], 20, 128);
+ p[1] = adapt_prob(p[1], c[1], c[2] + c[3], 20, 128);
+ p[2] = adapt_prob(p[2], c[2], c[3], 20, 128);
+
+ for (i = 0; i < ARRAY_SIZE(probs->mv.sign); i++) {
+ p = probs->mv.sign;
+
+ p[i] = adapt_prob(p[i], sym_cnts->sign[i][0],
+ sym_cnts->sign[i][1], 20, 128);
+
+ p = probs->mv.class[i];
+ c = sym_cnts->classes[i];
+ sum = c[1] + c[2] + c[3] + c[4] + c[5] + c[6] + c[7] + c[8] +
+ c[9] + c[10];
+ p[0] = adapt_prob(p[0], c[0], sum, 20, 128);
+ sum -= c[1];
+ p[1] = adapt_prob(p[1], c[1], sum, 20, 128);
+ sum -= c[2] + c[3];
+ p[2] = adapt_prob(p[2], c[2] + c[3], sum, 20, 128);
+ p[3] = adapt_prob(p[3], c[2], c[3], 20, 128);
+ sum -= c[4] + c[5];
+ p[4] = adapt_prob(p[4], c[4] + c[5], sum, 20, 128);
+ p[5] = adapt_prob(p[5], c[4], c[5], 20, 128);
+ sum -= c[6];
+ p[6] = adapt_prob(p[6], c[6], sum, 20, 128);
+ p[7] = adapt_prob(p[7], c[7] + c[8], c[9] + c[10], 20, 128);
+ p[8] = adapt_prob(p[8], c[7], c[8], 20, 128);
+ p[9] = adapt_prob(p[9], c[9], c[10], 20, 128);
+
+ p = probs->mv.class0_bit;
+ p[i] = adapt_prob(p[i],
+ sym_cnts->class0[i][0],
+ sym_cnts->class0[i][1], 20, 128);
+
+ p = probs->mv.bits[i];
+ for (j = 0; j < 10; j++)
+ p[j] = adapt_prob(p[j], sym_cnts->bits[i][j][0],
+ sym_cnts->bits[i][j][1], 20, 128);
+
+ for (j = 0; j < 2; j++) {
+ p = probs->mv.class0_fr[i][j];
+ c = sym_cnts->class0_fp[i][j];
+ p[0] = adapt_prob(p[0], c[0], c[1] + c[2] + c[3],
+ 20, 128);
+ p[1] = adapt_prob(p[1], c[1], c[2] + c[3], 20, 128);
+ p[2] = adapt_prob(p[2], c[2], c[3], 20, 128);
+ }
+
+ p = probs->mv.fr[i];
+ c = sym_cnts->fp[i];
+ p[0] = adapt_prob(p[0], c[0], c[1] + c[2] + c[3], 20, 128);
+ p[1] = adapt_prob(p[1], c[1], c[2] + c[3], 20, 128);
+ p[2] = adapt_prob(p[2], c[2], c[3], 20, 128);
+
+ if (!high_prec_mv)
+ continue;
+
+ p = probs->mv.class0_hp;
+ p[i] = adapt_prob(p[i], sym_cnts->class0_hp[i][0],
+ sym_cnts->class0_hp[i][1], 20, 128);
+
+ p = probs->mv.hp;
+ p[i] = adapt_prob(p[i], sym_cnts->hp[i][0],
+ sym_cnts->hp[i][1], 20, 128);
+ }
+}
+
+static void
+adapt_intra_mode_probs(u8 *p, const u32 *c)
+{
+ u32 sum = 0, s2;
+ unsigned int i;
+
+ for (i = V4L2_VP9_INTRA_PRED_MODE_V; i <= V4L2_VP9_INTRA_PRED_MODE_TM;
+ i++)
+ sum += c[i];
+
+ p[0] = adapt_prob(p[0], c[V4L2_VP9_INTRA_PRED_MODE_DC], sum, 20, 128);
+ sum -= c[V4L2_VP9_INTRA_PRED_MODE_TM];
+ p[1] = adapt_prob(p[1], c[V4L2_VP9_INTRA_PRED_MODE_TM], sum, 20, 128);
+ sum -= c[V4L2_VP9_INTRA_PRED_MODE_V];
+ p[2] = adapt_prob(p[2], c[V4L2_VP9_INTRA_PRED_MODE_V], sum, 20, 128);
+ s2 = c[V4L2_VP9_INTRA_PRED_MODE_H] + c[V4L2_VP9_INTRA_PRED_MODE_D135] +
+ c[V4L2_VP9_INTRA_PRED_MODE_D117];
+ sum -= s2;
+ p[3] = adapt_prob(p[3], s2, sum, 20, 128);
+ s2 -= c[V4L2_VP9_INTRA_PRED_MODE_H];
+ p[4] = adapt_prob(p[4], c[V4L2_VP9_INTRA_PRED_MODE_H], s2, 20, 128);
+ p[5] = adapt_prob(p[5], c[V4L2_VP9_INTRA_PRED_MODE_D135],
+ c[V4L2_VP9_INTRA_PRED_MODE_D117], 20, 128);
+ sum -= c[V4L2_VP9_INTRA_PRED_MODE_D45];
+ p[6] = adapt_prob(p[6], c[V4L2_VP9_INTRA_PRED_MODE_D45],
+ sum, 20, 128);
+ sum -= c[V4L2_VP9_INTRA_PRED_MODE_D63];
+ p[7] = adapt_prob(p[7], c[V4L2_VP9_INTRA_PRED_MODE_D63], sum,
+ 20, 128);
+ p[8] = adapt_prob(p[8], c[V4L2_VP9_INTRA_PRED_MODE_D153],
+ c[V4L2_VP9_INTRA_PRED_MODE_D207], 20, 128);
+}
+
+static void
+adapt_y_intra_mode_probs(struct v4l2_vp9_probabilities *probs,
+ const struct rkvdec_vp9_inter_frame_symbol_counts *sym_cnts)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(probs->y_mode); i++)
+ adapt_intra_mode_probs(probs->y_mode[i], sym_cnts->y_mode[i]);
+}
+
+static void
+adapt_uv_intra_mode_probs(struct v4l2_vp9_probabilities *probs,
+ const struct rkvdec_vp9_inter_frame_symbol_counts *sym_cnts)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(probs->uv_mode); i++)
+ adapt_intra_mode_probs(probs->uv_mode[i],
+ sym_cnts->uv_mode[i]);
+}
+
+static void
+adapt_inter_frame_probs(struct rkvdec_ctx *ctx)
+{
+ struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
+ struct v4l2_vp9_probabilities *probs = &vp9_ctx->frame_context.probs;
+ const struct rkvdec_vp9_inter_frame_symbol_counts *sym_cnts;
+
+ sym_cnts = vp9_ctx->count_tbl.cpu;
+ /* coefficients */
+ if (vp9_ctx->last.valid &&
+ !(vp9_ctx->last.flags & V4L2_VP9_FRAME_FLAG_KEY_FRAME))
+ adapt_coef_probs(probs, sym_cnts->ref_cnt, 112);
+ else
+ adapt_coef_probs(probs, sym_cnts->ref_cnt, 128);
+
+ /* skip flag */
+ adapt_skip_probs(probs, sym_cnts);
+
+ /* intra/inter flag */
+ adapt_is_inter_probs(probs, sym_cnts);
+
+ /* comppred flag */
+ adapt_comp_mode_probs(probs, sym_cnts);
+
+ /* reference frames */
+ adapt_comp_ref_probs(probs, sym_cnts);
+
+ if (vp9_ctx->cur.reference_mode != V4L2_VP9_REF_MODE_COMPOUND)
+ adapt_single_ref_probs(probs, sym_cnts);
+
+ /* block partitioning */
+ adapt_partition_probs(probs, sym_cnts);
+
+ /* tx size */
+ if (vp9_ctx->cur.tx_mode == V4L2_VP9_TX_MODE_SELECT)
+ adapt_tx_probs(probs, sym_cnts);
+
+ /* interpolation filter */
+ if (vp9_ctx->cur.interpolation_filter == V4L2_VP9_INTERP_FILTER_SWITCHABLE)
+ adapt_interp_filter_probs(probs, sym_cnts);
+
+ /* inter modes */
+ adapt_inter_mode_probs(probs, sym_cnts);
+
+ /* mv probs */
+ adapt_mv_probs(probs, sym_cnts,
+ !!(vp9_ctx->cur.flags &
+ V4L2_VP9_FRAME_FLAG_ALLOW_HIGH_PREC_MV));
+
+ /* y intra modes */
+ adapt_y_intra_mode_probs(probs, sym_cnts);
+
+ /* uv intra modes */
+ adapt_uv_intra_mode_probs(probs, sym_cnts);
+}
+
+static void adapt_probs(struct rkvdec_ctx *ctx)
+{
+ struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
+ bool intra_only;
+
+ intra_only = !!(vp9_ctx->cur.flags &
+ (V4L2_VP9_FRAME_FLAG_KEY_FRAME |
+ V4L2_VP9_FRAME_FLAG_INTRA_ONLY));
+
+ if (intra_only)
+ adapt_intra_frame_probs(ctx);
+ else
+ adapt_inter_frame_probs(ctx);
+}
+
+static void rkvdec_vp9_done(struct rkvdec_ctx *ctx,
+ struct vb2_v4l2_buffer *src_buf,
+ struct vb2_v4l2_buffer *dst_buf,
+ enum vb2_buffer_state result)
+{
+ struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
+ struct v4l2_ctrl *ctrl;
+ unsigned int fctx_idx;
+
+ if (result == VB2_BUF_STATE_ERROR)
+ goto out_update_last;
+
+ if (!(vp9_ctx->cur.flags & V4L2_VP9_FRAME_FLAG_REFRESH_FRAME_CTX))
+ goto out_update_last;
+
+ fctx_idx = vp9_ctx->cur.frame_context_idx;
+
+ if (!(vp9_ctx->cur.flags &
+ (V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT |
+ V4L2_VP9_FRAME_FLAG_PARALLEL_DEC_MODE)))
+ adapt_probs(ctx);
+
+ ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
+ V4L2_CID_MPEG_VIDEO_VP9_FRAME_CONTEXT(fctx_idx));
+ if (WARN_ON(!ctrl))
+ goto out_update_last;
+
+ v4l2_ctrl_s_ctrl_compound(ctrl, V4L2_CTRL_TYPE_VP9_FRAME_CONTEXT,
+ &vp9_ctx->frame_context);
+
+out_update_last:
+ update_ctx_last_info(vp9_ctx);
+}
+
+static int rkvdec_vp9_start(struct rkvdec_ctx *ctx)
+{
+ struct rkvdec_dev *rkvdec = ctx->dev;
+ struct rkvdec_vp9_priv_tbl *priv_tbl;
+ struct rkvdec_vp9_ctx *vp9_ctx;
+ u8 *count_tbl;
+ int ret;
+
+ vp9_ctx = kzalloc(sizeof(*vp9_ctx), GFP_KERNEL);
+ if (!vp9_ctx)
+ return -ENOMEM;
+
+ ctx->priv = vp9_ctx;
+
+ priv_tbl = dma_alloc_coherent(rkvdec->dev, sizeof(*priv_tbl),
+ &vp9_ctx->priv_tbl.dma, GFP_KERNEL);
+ if (!priv_tbl) {
+ ret = -ENOMEM;
+ goto err_free_ctx;
+ }
+
+ vp9_ctx->priv_tbl.size = sizeof(*priv_tbl);
+ vp9_ctx->priv_tbl.cpu = priv_tbl;
+ memset(priv_tbl, 0, sizeof(*priv_tbl));
+
+ count_tbl = dma_alloc_coherent(rkvdec->dev, RKVDEC_VP9_COUNT_SIZE,
+ &vp9_ctx->count_tbl.dma, GFP_KERNEL);
+ if (!count_tbl) {
+ ret = -ENOMEM;
+ goto err_free_priv_tbl;
+ }
+
+ vp9_ctx->count_tbl.size = RKVDEC_VP9_COUNT_SIZE;
+ vp9_ctx->count_tbl.cpu = count_tbl;
+ memset(count_tbl, 0, sizeof(*count_tbl));
+
+ return 0;
+
+err_free_priv_tbl:
+ dma_free_coherent(rkvdec->dev, vp9_ctx->priv_tbl.size,
+ vp9_ctx->priv_tbl.cpu, vp9_ctx->priv_tbl.dma);
+
+err_free_ctx:
+ kfree(vp9_ctx);
+ return ret;
+}
+
+static void rkvdec_vp9_stop(struct rkvdec_ctx *ctx)
+{
+ struct rkvdec_vp9_ctx *vp9_ctx = ctx->priv;
+ struct rkvdec_dev *rkvdec = ctx->dev;
+
+ dma_free_coherent(rkvdec->dev, vp9_ctx->count_tbl.size,
+ vp9_ctx->count_tbl.cpu, vp9_ctx->count_tbl.dma);
+ dma_free_coherent(rkvdec->dev, vp9_ctx->priv_tbl.size,
+ vp9_ctx->priv_tbl.cpu, vp9_ctx->priv_tbl.dma);
+ kfree(vp9_ctx);
+}
+
+static int rkvdec_vp9_adjust_fmt(struct rkvdec_ctx *ctx,
+ struct v4l2_format *f)
+{
+ struct v4l2_pix_format_mplane *fmt = &f->fmt.pix_mp;
+
+ fmt->num_planes = 1;
+ if (!fmt->plane_fmt[0].sizeimage)
+ fmt->plane_fmt[0].sizeimage = fmt->width * fmt->height * 2;
+ return 0;
+}
+
+const struct rkvdec_coded_fmt_ops rkvdec_vp9_fmt_ops = {
+ .adjust_fmt = rkvdec_vp9_adjust_fmt,
+ .start = rkvdec_vp9_start,
+ .stop = rkvdec_vp9_stop,
+ .run = rkvdec_vp9_run,
+ .done = rkvdec_vp9_done,
+};
diff --git a/drivers/staging/media/rkvdec/rkvdec.c b/drivers/staging/media/rkvdec/rkvdec.c
index fbaf0303f7c2..2c0c6dcbd066 100644
--- a/drivers/staging/media/rkvdec/rkvdec.c
+++ b/drivers/staging/media/rkvdec/rkvdec.c
@@ -159,6 +159,39 @@ static const u32 rkvdec_h264_decoded_fmts[] = {
V4L2_PIX_FMT_NV20,
};
+static const struct rkvdec_ctrl_desc rkvdec_vp9_ctrl_descs[] = {
+ {
+ .cfg.id = V4L2_CID_MPEG_VIDEO_VP9_FRAME_DECODE_PARAMS,
+ },
+ {
+ .cfg.id = V4L2_CID_MPEG_VIDEO_VP9_FRAME_CONTEXT(0),
+ },
+ {
+ .cfg.id = V4L2_CID_MPEG_VIDEO_VP9_FRAME_CONTEXT(1),
+ },
+ {
+ .cfg.id = V4L2_CID_MPEG_VIDEO_VP9_FRAME_CONTEXT(2),
+ },
+ {
+ .cfg.id = V4L2_CID_MPEG_VIDEO_VP9_FRAME_CONTEXT(3),
+ },
+ {
+ .cfg.id = V4L2_CID_MPEG_VIDEO_VP9_PROFILE,
+ .cfg.min = V4L2_MPEG_VIDEO_VP9_PROFILE_0,
+ .cfg.max = V4L2_MPEG_VIDEO_VP9_PROFILE_0,
+ .cfg.def = V4L2_MPEG_VIDEO_VP9_PROFILE_0,
+ },
+};
+
+static const struct rkvdec_ctrls rkvdec_vp9_ctrls = {
+ .ctrls = rkvdec_vp9_ctrl_descs,
+ .num_ctrls = ARRAY_SIZE(rkvdec_vp9_ctrl_descs),
+};
+
+static const u32 rkvdec_vp9_decoded_fmts[] = {
+ V4L2_PIX_FMT_NV12,
+};
+
static const struct rkvdec_coded_fmt_desc rkvdec_coded_fmts[] = {
{
.fourcc = V4L2_PIX_FMT_H264_SLICE,
@@ -174,6 +207,21 @@ static const struct rkvdec_coded_fmt_desc rkvdec_coded_fmts[] = {
.ops = &rkvdec_h264_fmt_ops,
.num_decoded_fmts = ARRAY_SIZE(rkvdec_h264_decoded_fmts),
.decoded_fmts = rkvdec_h264_decoded_fmts,
+ },
+ {
+ .fourcc = V4L2_PIX_FMT_VP9_FRAME,
+ .frmsize = {
+ .min_width = 64,
+ .max_width = 4096,
+ .step_width = 64,
+ .min_height = 64,
+ .max_height = 2304,
+ .step_height = 64,
+ },
+ .ctrls = &rkvdec_vp9_ctrls,
+ .ops = &rkvdec_vp9_fmt_ops,
+ .num_decoded_fmts = ARRAY_SIZE(rkvdec_vp9_decoded_fmts),
+ .decoded_fmts = rkvdec_vp9_decoded_fmts,
}
};
@@ -373,7 +421,7 @@ static int rkvdec_s_output_fmt(struct file *file, void *priv,
struct v4l2_m2m_ctx *m2m_ctx = ctx->fh.m2m_ctx;
const struct rkvdec_coded_fmt_desc *desc;
struct v4l2_format *cap_fmt;
- struct vb2_queue *peer_vq;
+ struct vb2_queue *peer_vq, *vq;
int ret;
/*
@@ -385,6 +433,15 @@ static int rkvdec_s_output_fmt(struct file *file, void *priv,
if (vb2_is_busy(peer_vq))
return -EBUSY;
+ /*
+ * Some codecs like VP9 can contain dynamic resolution changes which
+ * are currently not supported by the V4L2 API or driver, so return
+ * an error if userspace tries to reconfigure the output format.
+ */
+ vq = v4l2_m2m_get_vq(m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
+ if (vb2_is_busy(vq))
+ return -EINVAL;
+
ret = rkvdec_s_fmt(file, priv, f, rkvdec_try_output_fmt);
if (ret)
return ret;
diff --git a/drivers/staging/media/rkvdec/rkvdec.h b/drivers/staging/media/rkvdec/rkvdec.h
index fa24bcb6ff42..18dd721172d8 100644
--- a/drivers/staging/media/rkvdec/rkvdec.h
+++ b/drivers/staging/media/rkvdec/rkvdec.h
@@ -57,6 +57,10 @@ struct rkvdec_vp9_decoded_buffer_info {
struct rkvdec_decoded_buffer {
/* Must be the first field in this struct. */
struct v4l2_m2m_buffer base;
+
+ union {
+ struct rkvdec_vp9_decoded_buffer_info vp9;
+ };
};
static inline struct rkvdec_decoded_buffer *
@@ -127,4 +131,6 @@ void rkvdec_run_preamble(struct rkvdec_ctx *ctx, struct rkvdec_run *run);
void rkvdec_run_postamble(struct rkvdec_ctx *ctx, struct rkvdec_run *run);
extern const struct rkvdec_coded_fmt_ops rkvdec_h264_fmt_ops;
+extern const struct rkvdec_coded_fmt_ops rkvdec_vp9_fmt_ops;
+
#endif /* RKVDEC_H_ */
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