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Message-ID: <79d74f26c1b36c77723ef57adf1ee7148b2ae36b.camel@collabora.com>
Date: Tue, 28 Sep 2021 11:02:53 -0400
From: Nicolas Dufresne <nicolas.dufresne@...labora.com>
To: Andrzej Pietrasiewicz <andrzej.p@...labora.com>,
linux-media@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org,
linux-staging@...ts.linux.dev
Cc: Benjamin Gaignard <benjamin.gaignard@...labora.com>,
Boris Brezillon <boris.brezillon@...labora.com>,
Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
Fabio Estevam <festevam@...il.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Hans Verkuil <hverkuil-cisco@...all.nl>,
Heiko Stuebner <heiko@...ech.de>,
Jernej Skrabec <jernej.skrabec@...il.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
NXP Linux Team <linux-imx@....com>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Philipp Zabel <p.zabel@...gutronix.de>,
Sascha Hauer <s.hauer@...gutronix.de>,
Shawn Guo <shawnguo@...nel.org>, kernel@...labora.com
Subject: Re: [PATCH v6 09/10] media: hantro: Support VP9 on the G2 core
Le lundi 27 septembre 2021 à 17:19 +0200, Andrzej Pietrasiewicz a écrit :
> VeriSilicon Hantro G2 core supports VP9 codec.
>
> Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@...labora.com>
> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@...labora.com>
> ---
> drivers/staging/media/hantro/Kconfig | 1 +
> drivers/staging/media/hantro/Makefile | 6 +-
> drivers/staging/media/hantro/hantro.h | 26 +
> drivers/staging/media/hantro/hantro_drv.c | 18 +-
> drivers/staging/media/hantro/hantro_g2_regs.h | 97 ++
> .../staging/media/hantro/hantro_g2_vp9_dec.c | 978 ++++++++++++++++++
> drivers/staging/media/hantro/hantro_hw.h | 67 ++
> drivers/staging/media/hantro/hantro_v4l2.c | 6 +
> drivers/staging/media/hantro/hantro_vp9.c | 240 +++++
> drivers/staging/media/hantro/hantro_vp9.h | 103 ++
> drivers/staging/media/hantro/imx8m_vpu_hw.c | 22 +-
> 11 files changed, 1560 insertions(+), 4 deletions(-)
> create mode 100644 drivers/staging/media/hantro/hantro_g2_vp9_dec.c
> create mode 100644 drivers/staging/media/hantro/hantro_vp9.c
> create mode 100644 drivers/staging/media/hantro/hantro_vp9.h
>
> diff --git a/drivers/staging/media/hantro/Kconfig b/drivers/staging/media/hantro/Kconfig
> index 20b1f6d7b69c..00a57d88c92e 100644
> --- a/drivers/staging/media/hantro/Kconfig
> +++ b/drivers/staging/media/hantro/Kconfig
> @@ -9,6 +9,7 @@ config VIDEO_HANTRO
> select VIDEOBUF2_VMALLOC
> select V4L2_MEM2MEM_DEV
> select V4L2_H264
> + select V4L2_VP9
> help
> Support for the Hantro IP based Video Processing Units present on
> Rockchip and NXP i.MX8M SoCs, which accelerate video and image
> diff --git a/drivers/staging/media/hantro/Makefile b/drivers/staging/media/hantro/Makefile
> index fe6d84871d07..28af0a1ee4bf 100644
> --- a/drivers/staging/media/hantro/Makefile
> +++ b/drivers/staging/media/hantro/Makefile
> @@ -10,9 +10,10 @@ hantro-vpu-y += \
> hantro_g1.o \
> hantro_g1_h264_dec.o \
> hantro_g1_mpeg2_dec.o \
> - hantro_g2_hevc_dec.o \
> hantro_g1_vp8_dec.o \
> hantro_g2.o \
> + hantro_g2_hevc_dec.o \
> + hantro_g2_vp9_dec.o \
> rockchip_vpu2_hw_jpeg_enc.o \
> rockchip_vpu2_hw_h264_dec.o \
> rockchip_vpu2_hw_mpeg2_dec.o \
> @@ -21,7 +22,8 @@ hantro-vpu-y += \
> hantro_h264.o \
> hantro_hevc.o \
> hantro_mpeg2.o \
> - hantro_vp8.o
> + hantro_vp8.o \
> + hantro_vp9.o
>
> hantro-vpu-$(CONFIG_VIDEO_HANTRO_IMX8M) += \
> imx8m_vpu_hw.o
> diff --git a/drivers/staging/media/hantro/hantro.h b/drivers/staging/media/hantro/hantro.h
> index d91eb2b1c509..1e8c1a6e3eb0 100644
> --- a/drivers/staging/media/hantro/hantro.h
> +++ b/drivers/staging/media/hantro/hantro.h
> @@ -36,6 +36,7 @@ struct hantro_postproc_ops;
> #define HANTRO_VP8_DECODER BIT(17)
> #define HANTRO_H264_DECODER BIT(18)
> #define HANTRO_HEVC_DECODER BIT(19)
> +#define HANTRO_VP9_DECODER BIT(20)
> #define HANTRO_DECODERS 0xffff0000
>
> /**
> @@ -110,6 +111,7 @@ enum hantro_codec_mode {
> HANTRO_MODE_MPEG2_DEC,
> HANTRO_MODE_VP8_DEC,
> HANTRO_MODE_HEVC_DEC,
> + HANTRO_MODE_VP9_DEC,
> };
>
> /*
> @@ -223,6 +225,7 @@ struct hantro_dev {
> * @mpeg2_dec: MPEG-2-decoding context.
> * @vp8_dec: VP8-decoding context.
> * @hevc_dec: HEVC-decoding context.
> + * @vp9_dec: VP9-decoding context.
> */
> struct hantro_ctx {
> struct hantro_dev *dev;
> @@ -250,6 +253,7 @@ struct hantro_ctx {
> struct hantro_mpeg2_dec_hw_ctx mpeg2_dec;
> struct hantro_vp8_dec_hw_ctx vp8_dec;
> struct hantro_hevc_dec_hw_ctx hevc_dec;
> + struct hantro_vp9_dec_hw_ctx vp9_dec;
> };
> };
>
> @@ -299,6 +303,22 @@ struct hantro_postproc_regs {
> struct hantro_reg display_width;
> };
>
> +struct hantro_vp9_decoded_buffer_info {
> + /* Info needed when the decoded frame serves as a reference frame. */
> + unsigned short width;
> + unsigned short height;
> + u32 bit_depth : 4;
> +};
> +
> +struct hantro_decoded_buffer {
> + /* Must be the first field in this struct. */
> + struct v4l2_m2m_buffer base;
> +
> + union {
> + struct hantro_vp9_decoded_buffer_info vp9;
> + };
> +};
> +
> /* Logging helpers */
>
> /**
> @@ -436,6 +456,12 @@ hantro_get_dec_buf_addr(struct hantro_ctx *ctx, struct vb2_buffer *vb)
> return vb2_dma_contig_plane_dma_addr(vb, 0);
> }
>
> +static inline struct hantro_decoded_buffer *
> +vb2_to_hantro_decoded_buf(struct vb2_buffer *buf)
> +{
> + return container_of(buf, struct hantro_decoded_buffer, base.vb.vb2_buf);
> +}
> +
> void hantro_postproc_disable(struct hantro_ctx *ctx);
> void hantro_postproc_enable(struct hantro_ctx *ctx);
> void hantro_postproc_free(struct hantro_ctx *ctx);
> diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c
> index 8a2edd67f2c6..800c8879aee0 100644
> --- a/drivers/staging/media/hantro/hantro_drv.c
> +++ b/drivers/staging/media/hantro/hantro_drv.c
> @@ -232,7 +232,7 @@ queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq)
> dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;
> dst_vq->drv_priv = ctx;
> dst_vq->ops = &hantro_queue_ops;
> - dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
> + dst_vq->buf_struct_size = sizeof(struct hantro_decoded_buffer);
> dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
> dst_vq->lock = &ctx->dev->vpu_mutex;
> dst_vq->dev = ctx->dev->v4l2_dev.dev;
> @@ -266,6 +266,12 @@ static int hantro_try_ctrl(struct v4l2_ctrl *ctrl)
> if (sps->flags & V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED)
> /* No scaling support */
> return -EINVAL;
> + } else if (ctrl->id == V4L2_CID_STATELESS_VP9_FRAME) {
> + const struct v4l2_ctrl_vp9_frame *dec_params = ctrl->p_new.p_vp9_frame;
> +
> + /* We only support profile 0 */
> + if (dec_params->profile != 0)
> + return -EINVAL;
> }
> return 0;
> }
> @@ -459,6 +465,16 @@ static const struct hantro_ctrl controls[] = {
> .step = 1,
> .ops = &hantro_hevc_ctrl_ops,
> },
> + }, {
> + .codec = HANTRO_VP9_DECODER,
> + .cfg = {
> + .id = V4L2_CID_STATELESS_VP9_FRAME,
> + },
> + }, {
> + .codec = HANTRO_VP9_DECODER,
> + .cfg = {
> + .id = V4L2_CID_STATELESS_VP9_COMPRESSED_HDR,
> + },
> },
> };
>
> diff --git a/drivers/staging/media/hantro/hantro_g2_regs.h b/drivers/staging/media/hantro/hantro_g2_regs.h
> index 0ac0ba375e80..21ca21648614 100644
> --- a/drivers/staging/media/hantro/hantro_g2_regs.h
> +++ b/drivers/staging/media/hantro/hantro_g2_regs.h
> @@ -28,6 +28,7 @@
> #define G2_REG_INTERRUPT_DEC_E BIT(0)
>
> #define HEVC_DEC_MODE 0xc
> +#define VP9_DEC_MODE 0xd
>
> #define BUS_WIDTH_32 0
> #define BUS_WIDTH_64 1
> @@ -49,6 +50,7 @@
> #define g2_pic_height_in_cbs G2_DEC_REG(4, 6, 0x1fff)
> #define g2_num_ref_frames G2_DEC_REG(4, 0, 0x1f)
>
> +#define g2_start_bit G2_DEC_REG(5, 25, 0x7f)
> #define g2_scaling_list_e G2_DEC_REG(5, 24, 0x1)
> #define g2_cb_qp_offset G2_DEC_REG(5, 19, 0x1f)
> #define g2_cr_qp_offset G2_DEC_REG(5, 14, 0x1f)
> @@ -84,6 +86,7 @@
> #define g2_bit_depth_y_minus8 G2_DEC_REG(8, 6, 0x3)
> #define g2_bit_depth_c_minus8 G2_DEC_REG(8, 4, 0x3)
> #define g2_output_8_bits G2_DEC_REG(8, 3, 0x1)
> +#define g2_output_format G2_DEC_REG(8, 0, 0x7)
>
> #define g2_refidx1_active G2_DEC_REG(9, 19, 0x1f)
> #define g2_refidx0_active G2_DEC_REG(9, 14, 0x1f)
> @@ -96,6 +99,14 @@
> #define g2_tile_e G2_DEC_REG(10, 1, 0x1)
> #define g2_entropy_sync_e G2_DEC_REG(10, 0, 0x1)
>
> +#define vp9_transform_mode G2_DEC_REG(11, 27, 0x7)
> +#define vp9_filt_sharpness G2_DEC_REG(11, 21, 0x7)
> +#define vp9_mcomp_filt_type G2_DEC_REG(11, 8, 0x7)
> +#define vp9_high_prec_mv_e G2_DEC_REG(11, 7, 0x1)
> +#define vp9_comp_pred_mode G2_DEC_REG(11, 4, 0x3)
> +#define vp9_gref_sign_bias G2_DEC_REG(11, 2, 0x1)
> +#define vp9_aref_sign_bias G2_DEC_REG(11, 0, 0x1)
> +
> #define g2_refer_lterm_e G2_DEC_REG(12, 16, 0xffff)
> #define g2_min_cb_size G2_DEC_REG(12, 13, 0x7)
> #define g2_max_cb_size G2_DEC_REG(12, 10, 0x7)
> @@ -154,6 +165,50 @@
> #define g2_partial_ctb_y G2_DEC_REG(20, 30, 0x1)
> #define g2_pic_width_4x4 G2_DEC_REG(20, 16, 0xfff)
> #define g2_pic_height_4x4 G2_DEC_REG(20, 0, 0xfff)
> +
> +#define vp9_qp_delta_y_dc G2_DEC_REG(13, 23, 0x3f)
> +#define vp9_qp_delta_ch_dc G2_DEC_REG(13, 17, 0x3f)
> +#define vp9_qp_delta_ch_ac G2_DEC_REG(13, 11, 0x3f)
> +#define vp9_last_sign_bias G2_DEC_REG(13, 10, 0x1)
> +#define vp9_lossless_e G2_DEC_REG(13, 9, 0x1)
> +#define vp9_comp_pred_var_ref1 G2_DEC_REG(13, 7, 0x3)
> +#define vp9_comp_pred_var_ref0 G2_DEC_REG(13, 5, 0x3)
> +#define vp9_comp_pred_fixed_ref G2_DEC_REG(13, 3, 0x3)
> +#define vp9_segment_temp_upd_e G2_DEC_REG(13, 2, 0x1)
> +#define vp9_segment_upd_e G2_DEC_REG(13, 1, 0x1)
> +#define vp9_segment_e G2_DEC_REG(13, 0, 0x1)
> +
> +#define vp9_filt_level G2_DEC_REG(14, 18, 0x3f)
> +#define vp9_refpic_seg0 G2_DEC_REG(14, 15, 0x7)
> +#define vp9_skip_seg0 G2_DEC_REG(14, 14, 0x1)
> +#define vp9_filt_level_seg0 G2_DEC_REG(14, 8, 0x3f)
> +#define vp9_quant_seg0 G2_DEC_REG(14, 0, 0xff)
> +
> +#define vp9_refpic_seg1 G2_DEC_REG(15, 15, 0x7)
> +#define vp9_skip_seg1 G2_DEC_REG(15, 14, 0x1)
> +#define vp9_filt_level_seg1 G2_DEC_REG(15, 8, 0x3f)
> +#define vp9_quant_seg1 G2_DEC_REG(15, 0, 0xff)
> +
> +#define vp9_refpic_seg2 G2_DEC_REG(16, 15, 0x7)
> +#define vp9_skip_seg2 G2_DEC_REG(16, 14, 0x1)
> +#define vp9_filt_level_seg2 G2_DEC_REG(16, 8, 0x3f)
> +#define vp9_quant_seg2 G2_DEC_REG(16, 0, 0xff)
> +
> +#define vp9_refpic_seg3 G2_DEC_REG(17, 15, 0x7)
> +#define vp9_skip_seg3 G2_DEC_REG(17, 14, 0x1)
> +#define vp9_filt_level_seg3 G2_DEC_REG(17, 8, 0x3f)
> +#define vp9_quant_seg3 G2_DEC_REG(17, 0, 0xff)
> +
> +#define vp9_refpic_seg4 G2_DEC_REG(18, 15, 0x7)
> +#define vp9_skip_seg4 G2_DEC_REG(18, 14, 0x1)
> +#define vp9_filt_level_seg4 G2_DEC_REG(18, 8, 0x3f)
> +#define vp9_quant_seg4 G2_DEC_REG(18, 0, 0xff)
> +
> +#define vp9_refpic_seg5 G2_DEC_REG(19, 15, 0x7)
> +#define vp9_skip_seg5 G2_DEC_REG(19, 14, 0x1)
> +#define vp9_filt_level_seg5 G2_DEC_REG(19, 8, 0x3f)
> +#define vp9_quant_seg5 G2_DEC_REG(19, 0, 0xff)
> +
> #define hevc_cur_poc_00 G2_DEC_REG(46, 24, 0xff)
> #define hevc_cur_poc_01 G2_DEC_REG(46, 16, 0xff)
> #define hevc_cur_poc_02 G2_DEC_REG(46, 8, 0xff)
> @@ -174,6 +229,44 @@
> #define hevc_cur_poc_14 G2_DEC_REG(49, 8, 0xff)
> #define hevc_cur_poc_15 G2_DEC_REG(49, 0, 0xff)
>
> +#define vp9_refpic_seg6 G2_DEC_REG(31, 15, 0x7)
> +#define vp9_skip_seg6 G2_DEC_REG(31, 14, 0x1)
> +#define vp9_filt_level_seg6 G2_DEC_REG(31, 8, 0x3f)
> +#define vp9_quant_seg6 G2_DEC_REG(31, 0, 0xff)
> +
> +#define vp9_refpic_seg7 G2_DEC_REG(32, 15, 0x7)
> +#define vp9_skip_seg7 G2_DEC_REG(32, 14, 0x1)
> +#define vp9_filt_level_seg7 G2_DEC_REG(32, 8, 0x3f)
> +#define vp9_quant_seg7 G2_DEC_REG(32, 0, 0xff)
> +
> +#define vp9_lref_width G2_DEC_REG(33, 16, 0xffff)
> +#define vp9_lref_height G2_DEC_REG(33, 0, 0xffff)
> +
> +#define vp9_gref_width G2_DEC_REG(34, 16, 0xffff)
> +#define vp9_gref_height G2_DEC_REG(34, 0, 0xffff)
> +
> +#define vp9_aref_width G2_DEC_REG(35, 16, 0xffff)
> +#define vp9_aref_height G2_DEC_REG(35, 0, 0xffff)
> +
> +#define vp9_lref_hor_scale G2_DEC_REG(36, 16, 0xffff)
> +#define vp9_lref_ver_scale G2_DEC_REG(36, 0, 0xffff)
> +
> +#define vp9_gref_hor_scale G2_DEC_REG(37, 16, 0xffff)
> +#define vp9_gref_ver_scale G2_DEC_REG(37, 0, 0xffff)
> +
> +#define vp9_aref_hor_scale G2_DEC_REG(38, 16, 0xffff)
> +#define vp9_aref_ver_scale G2_DEC_REG(38, 0, 0xffff)
> +
> +#define vp9_filt_ref_adj_0 G2_DEC_REG(46, 24, 0x7f)
> +#define vp9_filt_ref_adj_1 G2_DEC_REG(46, 16, 0x7f)
> +#define vp9_filt_ref_adj_2 G2_DEC_REG(46, 8, 0x7f)
> +#define vp9_filt_ref_adj_3 G2_DEC_REG(46, 0, 0x7f)
> +
> +#define vp9_filt_mb_adj_0 G2_DEC_REG(47, 24, 0x7f)
> +#define vp9_filt_mb_adj_1 G2_DEC_REG(47, 16, 0x7f)
> +#define vp9_filt_mb_adj_2 G2_DEC_REG(47, 8, 0x7f)
> +#define vp9_filt_mb_adj_3 G2_DEC_REG(47, 0, 0x7f)
> +
> #define g2_apf_threshold G2_DEC_REG(55, 0, 0xffff)
>
> #define g2_clk_gate_e G2_DEC_REG(58, 16, 0x1)
> @@ -186,6 +279,8 @@
>
> #define G2_ADDR_DST (G2_SWREG(65))
> #define G2_REG_ADDR_REF(i) (G2_SWREG(67) + ((i) * 0x8))
> +#define VP9_ADDR_SEGMENT_WRITE (G2_SWREG(79))
> +#define VP9_ADDR_SEGMENT_READ (G2_SWREG(81))
> #define G2_ADDR_DST_CHR (G2_SWREG(99))
> #define G2_REG_CHR_REF(i) (G2_SWREG(101) + ((i) * 0x8))
> #define G2_ADDR_DST_MV (G2_SWREG(133))
> @@ -193,6 +288,8 @@
> #define G2_ADDR_TILE_SIZE (G2_SWREG(167))
> #define G2_ADDR_STR (G2_SWREG(169))
> #define HEVC_SCALING_LIST (G2_SWREG(171))
> +#define VP9_ADDR_CTR (G2_SWREG(171))
> +#define VP9_ADDR_PROBS (G2_SWREG(173))
> #define G2_RASTER_SCAN (G2_SWREG(175))
> #define G2_RASTER_SCAN_CHR (G2_SWREG(177))
> #define G2_TILE_FILTER (G2_SWREG(179))
> diff --git a/drivers/staging/media/hantro/hantro_g2_vp9_dec.c b/drivers/staging/media/hantro/hantro_g2_vp9_dec.c
> new file mode 100644
> index 000000000000..f1b207666fa7
> --- /dev/null
> +++ b/drivers/staging/media/hantro/hantro_g2_vp9_dec.c
> @@ -0,0 +1,978 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Hantro VP9 codec driver
> + *
> + * Copyright (C) 2021 Collabora Ltd.
> + */
> +#include "media/videobuf2-core.h"
> +#include "media/videobuf2-dma-contig.h"
> +#include "media/videobuf2-v4l2.h"
> +#include <linux/kernel.h>
> +#include <linux/vmalloc.h>
> +#include <media/v4l2-mem2mem.h>
> +#include <media/v4l2-vp9.h>
> +
> +#include "hantro.h"
> +#include "hantro_vp9.h"
> +#include "hantro_g2_regs.h"
> +
> +#define G2_ALIGN 16
> +
> +enum hantro_ref_frames {
> + INTRA_FRAME = 0,
> + LAST_FRAME = 1,
> + GOLDEN_FRAME = 2,
> + ALTREF_FRAME = 3,
> + MAX_REF_FRAMES = 4
> +};
> +
> +static int start_prepare_run(struct hantro_ctx *ctx, const struct v4l2_ctrl_vp9_frame **dec_params)
> +{
> + const struct v4l2_ctrl_vp9_compressed_hdr *prob_updates;
> + struct hantro_vp9_dec_hw_ctx *vp9_ctx = &ctx->vp9_dec;
> + struct v4l2_ctrl *ctrl;
> + unsigned int fctx_idx;
> +
> + /* v4l2-specific stuff */
> + hantro_start_prepare_run(ctx);
> +
> + ctrl = v4l2_ctrl_find(&ctx->ctrl_handler, V4L2_CID_STATELESS_VP9_FRAME);
> + if (WARN_ON(!ctrl))
> + return -EINVAL;
> + *dec_params = ctrl->p_cur.p;
> +
> + ctrl = v4l2_ctrl_find(&ctx->ctrl_handler, V4L2_CID_STATELESS_VP9_COMPRESSED_HDR);
> + if (WARN_ON(!ctrl))
> + return -EINVAL;
> + prob_updates = ctrl->p_cur.p;
> + vp9_ctx->cur.tx_mode = prob_updates->tx_mode;
> +
> + /*
> + * vp9 stuff
> + *
> + * by this point the userspace has done all parts of 6.2 uncompressed_header()
> + * except this fragment:
> + * if ( FrameIsIntra || error_resilient_mode ) {
> + * setup_past_independence ( )
> + * if ( frame_type == KEY_FRAME || error_resilient_mode == 1 ||
> + * reset_frame_context == 3 ) {
> + * for ( i = 0; i < 4; i ++ ) {
> + * save_probs( i )
> + * }
> + * } else if ( reset_frame_context == 2 ) {
> + * save_probs( frame_context_idx )
> + * }
> + * frame_context_idx = 0
> + * }
> + */
> + fctx_idx = v4l2_vp9_reset_frame_ctx(*dec_params, vp9_ctx->frame_context);
> + vp9_ctx->cur.frame_context_idx = fctx_idx;
> +
> + /* 6.1 frame(sz): load_probs() and load_probs2() */
> + vp9_ctx->probability_tables = vp9_ctx->frame_context[fctx_idx];
> +
> + /*
> + * The userspace has also performed 6.3 compressed_header(), but handling the
> + * probs in a special way. All probs which need updating, except MV-related,
> + * have been read from the bitstream and translated through inv_map_table[],
> + * but no 6.3.6 inv_recenter_nonneg(v, m) has been performed. The values passed
> + * by userspace are either translated values (there are no 0 values in
> + * inv_map_table[]), or zero to indicate no update. All MV-related probs which need
> + * updating have been read from the bitstream and (mv_prob << 1) | 1 has been
> + * performed. The values passed by userspace are either new values
> + * to replace old ones (the above mentioned shift and bitwise or never result in
> + * a zero) or zero to indicate no update.
> + * fw_update_probs() performs actual probs updates or leaves probs as-is
> + * for values for which a zero was passed from userspace.
> + */
> + v4l2_vp9_fw_update_probs(&vp9_ctx->probability_tables, prob_updates, *dec_params);
> +
> + return 0;
> +}
> +
> +static size_t chroma_offset(const struct hantro_ctx *ctx,
> + const struct v4l2_ctrl_vp9_frame *dec_params)
> +{
> + int bytes_per_pixel = dec_params->bit_depth == 8 ? 1 : 2;
> +
> + return ctx->src_fmt.width * ctx->src_fmt.height * bytes_per_pixel;
> +}
> +
> +static size_t mv_offset(const struct hantro_ctx *ctx,
> + const struct v4l2_ctrl_vp9_frame *dec_params)
> +{
> + size_t cr_offset = chroma_offset(ctx, dec_params);
> +
> + return ALIGN((cr_offset * 3) / 2, G2_ALIGN);
> +}
> +
> +static struct hantro_decoded_buffer *
> +get_ref_buf(struct hantro_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_hantro_decoded_buf(&dst->vb2_buf);
> +
> + return vb2_to_hantro_decoded_buf(vb2_get_buffer(cap_q, buf_idx));
> +}
> +
> +static void update_dec_buf_info(struct hantro_decoded_buffer *buf,
> + const struct v4l2_ctrl_vp9_frame *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 hantro_vp9_dec_hw_ctx *vp9_ctx,
> + struct hantro_decoded_buffer *buf,
> + const struct v4l2_ctrl_vp9_frame *dec_params)
> +{
> + vp9_ctx->cur.valid = true;
> + vp9_ctx->cur.reference_mode = dec_params->reference_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;
> +}
> +
> +static void config_output(struct hantro_ctx *ctx,
> + struct hantro_decoded_buffer *dst,
> + const struct v4l2_ctrl_vp9_frame *dec_params)
> +{
> + dma_addr_t luma_addr, chroma_addr, mv_addr;
> +
> + hantro_reg_write(ctx->dev, &g2_out_dis, 0);
> + hantro_reg_write(ctx->dev, &g2_output_format, 0);
> +
> + luma_addr = vb2_dma_contig_plane_dma_addr(&dst->base.vb.vb2_buf, 0);
> + hantro_write_addr(ctx->dev, G2_ADDR_DST, luma_addr);
> +
> + chroma_addr = luma_addr + chroma_offset(ctx, dec_params);
> + hantro_write_addr(ctx->dev, G2_ADDR_DST_CHR, chroma_addr);
> +
> + mv_addr = luma_addr + mv_offset(ctx, dec_params);
> + hantro_write_addr(ctx->dev, G2_ADDR_DST_MV, mv_addr);
> +}
> +
> +struct hantro_vp9_ref_reg {
> + const struct hantro_reg width;
> + const struct hantro_reg height;
> + const struct hantro_reg hor_scale;
> + const struct hantro_reg ver_scale;
> + u32 y_base;
> + u32 c_base;
> +};
> +
> +static void config_ref(struct hantro_ctx *ctx,
> + struct hantro_decoded_buffer *dst,
> + const struct hantro_vp9_ref_reg *ref_reg,
> + const struct v4l2_ctrl_vp9_frame *dec_params,
> + u64 ref_ts)
> +{
> + struct hantro_decoded_buffer *buf;
> + dma_addr_t luma_addr, chroma_addr;
> + u32 refw, refh;
> +
> + buf = get_ref_buf(ctx, &dst->base.vb, ref_ts);
> + refw = buf->vp9.width;
> + refh = buf->vp9.height;
> +
> + hantro_reg_write(ctx->dev, &ref_reg->width, refw);
> + hantro_reg_write(ctx->dev, &ref_reg->height, refh);
> +
> + hantro_reg_write(ctx->dev, &ref_reg->hor_scale, (refw << 14) / dst->vp9.width);
> + hantro_reg_write(ctx->dev, &ref_reg->ver_scale, (refh << 14) / dst->vp9.height);
> +
> + luma_addr = vb2_dma_contig_plane_dma_addr(&buf->base.vb.vb2_buf, 0);
> + hantro_write_addr(ctx->dev, ref_reg->y_base, luma_addr);
> +
> + chroma_addr = luma_addr + chroma_offset(ctx, dec_params);
> + hantro_write_addr(ctx->dev, ref_reg->c_base, chroma_addr);
> +}
> +
> +static void config_ref_registers(struct hantro_ctx *ctx,
> + const struct v4l2_ctrl_vp9_frame *dec_params,
> + struct hantro_decoded_buffer *dst,
> + struct hantro_decoded_buffer *mv_ref)
> +{
> + static const struct hantro_vp9_ref_reg ref_regs[] = {
> + {
> + /* Last */
> + .width = vp9_lref_width,
> + .height = vp9_lref_height,
> + .hor_scale = vp9_lref_hor_scale,
> + .ver_scale = vp9_lref_ver_scale,
> + .y_base = G2_REG_ADDR_REF(0),
> + .c_base = G2_REG_CHR_REF(0),
> + }, {
> + /* Golden */
> + .width = vp9_gref_width,
> + .height = vp9_gref_height,
> + .hor_scale = vp9_gref_hor_scale,
> + .ver_scale = vp9_gref_ver_scale,
> + .y_base = G2_REG_ADDR_REF(4),
> + .c_base = G2_REG_CHR_REF(4),
> + }, {
> + /* Altref */
> + .width = vp9_aref_width,
> + .height = vp9_aref_height,
> + .hor_scale = vp9_aref_hor_scale,
> + .ver_scale = vp9_aref_ver_scale,
> + .y_base = G2_REG_ADDR_REF(5),
> + .c_base = G2_REG_CHR_REF(5),
> + },
> + };
> + dma_addr_t mv_addr;
> +
> + config_ref(ctx, dst, &ref_regs[0], dec_params, dec_params->last_frame_ts);
> + config_ref(ctx, dst, &ref_regs[1], dec_params, dec_params->golden_frame_ts);
> + config_ref(ctx, dst, &ref_regs[2], dec_params, dec_params->alt_frame_ts);
> +
> + mv_addr = vb2_dma_contig_plane_dma_addr(&mv_ref->base.vb.vb2_buf, 0) +
> + mv_offset(ctx, dec_params);
> + hantro_write_addr(ctx->dev, G2_REG_DMV_REF(0), mv_addr);
> +
> + hantro_reg_write(ctx->dev, &vp9_last_sign_bias,
> + dec_params->ref_frame_sign_bias & V4L2_VP9_SIGN_BIAS_LAST ? 1 : 0);
> +
> + hantro_reg_write(ctx->dev, &vp9_gref_sign_bias,
> + dec_params->ref_frame_sign_bias & V4L2_VP9_SIGN_BIAS_GOLDEN ? 1 : 0);
> +
> + hantro_reg_write(ctx->dev, &vp9_aref_sign_bias,
> + dec_params->ref_frame_sign_bias & V4L2_VP9_SIGN_BIAS_ALT ? 1 : 0);
> +}
> +
> +static void recompute_tile_info(unsigned short *tile_info, unsigned int tiles, unsigned int sbs)
> +{
> + int i;
> + unsigned int accumulated = 0;
> + unsigned int next_accumulated;
> +
> + for (i = 1; i <= tiles; ++i) {
> + next_accumulated = i * sbs / tiles;
> + *tile_info++ = next_accumulated - accumulated;
> + accumulated = next_accumulated;
> + }
> +}
> +
> +static void
> +recompute_tile_rc_info(struct hantro_ctx *ctx,
> + unsigned int tile_r, unsigned int tile_c,
> + unsigned int sbs_r, unsigned int sbs_c)
> +{
> + struct hantro_vp9_dec_hw_ctx *vp9_ctx = &ctx->vp9_dec;
> +
> + recompute_tile_info(vp9_ctx->tile_r_info, tile_r, sbs_r);
> + recompute_tile_info(vp9_ctx->tile_c_info, tile_c, sbs_c);
> +
> + vp9_ctx->last_tile_r = tile_r;
> + vp9_ctx->last_tile_c = tile_c;
> + vp9_ctx->last_sbs_r = sbs_r;
> + vp9_ctx->last_sbs_c = sbs_c;
> +}
> +
> +static inline unsigned int first_tile_row(unsigned int tile_r, unsigned int sbs_r)
> +{
> + if (tile_r == sbs_r + 1)
> + return 1;
> +
> + if (tile_r == sbs_r + 2)
> + return 2;
> +
> + return 0;
> +}
> +
> +static void
> +fill_tile_info(struct hantro_ctx *ctx,
> + unsigned int tile_r, unsigned int tile_c,
> + unsigned int sbs_r, unsigned int sbs_c,
> + unsigned short *tile_mem)
> +{
> + struct hantro_vp9_dec_hw_ctx *vp9_ctx = &ctx->vp9_dec;
> + unsigned int i, j;
> + bool first = true;
> +
> + for (i = first_tile_row(tile_r, sbs_r); i < tile_r; ++i) {
> + unsigned short r_info = vp9_ctx->tile_r_info[i];
> +
> + if (first) {
> + if (i > 0)
> + r_info += vp9_ctx->tile_r_info[0];
> + if (i == 2)
> + r_info += vp9_ctx->tile_r_info[1];
> + first = false;
> + }
> + for (j = 0; j < tile_c; ++j) {
> + *tile_mem++ = vp9_ctx->tile_c_info[j];
> + *tile_mem++ = r_info;
> + }
> + }
> +}
> +
> +static void
> +config_tiles(struct hantro_ctx *ctx,
> + const struct v4l2_ctrl_vp9_frame *dec_params,
> + struct hantro_decoded_buffer *dst)
> +{
> + struct hantro_vp9_dec_hw_ctx *vp9_ctx = &ctx->vp9_dec;
> + struct hantro_aux_buf *misc = &vp9_ctx->misc;
> + struct hantro_aux_buf *tile_edge = &vp9_ctx->tile_edge;
> + dma_addr_t addr;
> + unsigned short *tile_mem;
> +
> + addr = misc->dma + vp9_ctx->tile_info_offset;
> + hantro_write_addr(ctx->dev, G2_ADDR_TILE_SIZE, addr);
> +
> + tile_mem = misc->cpu + vp9_ctx->tile_info_offset;
> + if (dec_params->tile_cols_log2 || dec_params->tile_rows_log2) {
> + unsigned int tile_r = (1 << dec_params->tile_rows_log2);
> + unsigned int tile_c = (1 << dec_params->tile_cols_log2);
> + unsigned int sbs_r = hantro_vp9_num_sbs(dst->vp9.height);
> + unsigned int sbs_c = hantro_vp9_num_sbs(dst->vp9.width);
> +
> + if (tile_r != vp9_ctx->last_tile_r || tile_c != vp9_ctx->last_tile_c ||
> + sbs_r != vp9_ctx->last_sbs_r || sbs_c != vp9_ctx->last_sbs_c)
> + recompute_tile_rc_info(ctx, tile_r, tile_c, sbs_r, sbs_c);
> +
> + fill_tile_info(ctx, tile_r, tile_c, sbs_r, sbs_c, tile_mem);
> +
> + hantro_reg_write(ctx->dev, &g2_tile_e, 1);
> + hantro_reg_write(ctx->dev, &g2_num_tile_cols, tile_c);
> + hantro_reg_write(ctx->dev, &g2_num_tile_rows, tile_r);
> +
> + addr = tile_edge->dma;
> + hantro_write_addr(ctx->dev, G2_TILE_FILTER, addr);
> +
> + addr = tile_edge->dma + vp9_ctx->bsd_ctrl_offset;
> + hantro_write_addr(ctx->dev, G2_TILE_BSD, addr);
The two above addresses are left with ancient data when tile is disabled. The
vendor driver always set a valid pointer regardless if tile is enabled or
disabled, perhaps we could do that same ?
p.s. Was spotted by Jernej.
> + } else {
> + tile_mem[0] = hantro_vp9_num_sbs(dst->vp9.width);
> + tile_mem[1] = hantro_vp9_num_sbs(dst->vp9.height);
> +
> + hantro_reg_write(ctx->dev, &g2_tile_e, 0);
> + hantro_reg_write(ctx->dev, &g2_num_tile_cols, 1);
> + hantro_reg_write(ctx->dev, &g2_num_tile_rows, 1);
> + }
> +}
> +
> +static void
> +update_feat_and_flag(struct hantro_vp9_dec_hw_ctx *vp9_ctx,
> + const struct v4l2_vp9_segmentation *seg,
> + unsigned int feature,
> + unsigned int segid)
> +{
> + u8 mask = V4L2_VP9_SEGMENT_FEATURE_ENABLED(feature);
> +
> + vp9_ctx->feature_data[segid][feature] = seg->feature_data[segid][feature];
> + vp9_ctx->feature_enabled[segid] &= ~mask;
> + vp9_ctx->feature_enabled[segid] |= (seg->feature_enabled[segid] & mask);
> +}
> +
> +static inline s16 clip3(s16 x, s16 y, s16 z)
> +{
> + return (z < x) ? x : (z > y) ? y : z;
> +}
> +
> +static s16 feat_val_clip3(s16 feat_val, s16 feature_data, bool absolute, u8 clip)
> +{
> + if (absolute)
> + return feature_data;
> +
> + return clip3(0, 255, feat_val + feature_data);
> +}
> +
> +static void config_segment(struct hantro_ctx *ctx, const struct v4l2_ctrl_vp9_frame *dec_params)
> +{
> + struct hantro_vp9_dec_hw_ctx *vp9_ctx = &ctx->vp9_dec;
> + const struct v4l2_vp9_segmentation *seg;
> + s16 feat_val;
> + unsigned char feat_id;
> + unsigned int segid;
> + bool segment_enabled, absolute, update_data;
> +
> + static const struct hantro_reg seg_regs[8][V4L2_VP9_SEG_LVL_MAX] = {
> + { vp9_quant_seg0, vp9_filt_level_seg0, vp9_refpic_seg0, vp9_skip_seg0 },
> + { vp9_quant_seg1, vp9_filt_level_seg1, vp9_refpic_seg1, vp9_skip_seg1 },
> + { vp9_quant_seg2, vp9_filt_level_seg2, vp9_refpic_seg2, vp9_skip_seg2 },
> + { vp9_quant_seg3, vp9_filt_level_seg3, vp9_refpic_seg3, vp9_skip_seg3 },
> + { vp9_quant_seg4, vp9_filt_level_seg4, vp9_refpic_seg4, vp9_skip_seg4 },
> + { vp9_quant_seg5, vp9_filt_level_seg5, vp9_refpic_seg5, vp9_skip_seg5 },
> + { vp9_quant_seg6, vp9_filt_level_seg6, vp9_refpic_seg6, vp9_skip_seg6 },
> + { vp9_quant_seg7, vp9_filt_level_seg7, vp9_refpic_seg7, vp9_skip_seg7 },
> + };
> +
> + segment_enabled = !!(dec_params->seg.flags & V4L2_VP9_SEGMENTATION_FLAG_ENABLED);
> + hantro_reg_write(ctx->dev, &vp9_segment_e, segment_enabled);
> + hantro_reg_write(ctx->dev, &vp9_segment_upd_e,
> + !!(dec_params->seg.flags & V4L2_VP9_SEGMENTATION_FLAG_UPDATE_MAP));
> + hantro_reg_write(ctx->dev, &vp9_segment_temp_upd_e,
> + !!(dec_params->seg.flags & V4L2_VP9_SEGMENTATION_FLAG_TEMPORAL_UPDATE));
> +
> + seg = &dec_params->seg;
> + absolute = !!(seg->flags & V4L2_VP9_SEGMENTATION_FLAG_ABS_OR_DELTA_UPDATE);
> + update_data = !!(seg->flags & V4L2_VP9_SEGMENTATION_FLAG_UPDATE_DATA);
> +
> + for (segid = 0; segid < 8; ++segid) {
> + /* Quantizer segment feature */
> + feat_id = V4L2_VP9_SEG_LVL_ALT_Q;
> + feat_val = dec_params->quant.base_q_idx;
> + if (segment_enabled) {
> + if (update_data)
> + update_feat_and_flag(vp9_ctx, seg, feat_id, segid);
> + if (v4l2_vp9_seg_feat_enabled(vp9_ctx->feature_enabled, feat_id, segid))
> + feat_val = feat_val_clip3(feat_val,
> + vp9_ctx->feature_data[segid][feat_id],
> + absolute, 255);
> + }
> + hantro_reg_write(ctx->dev, &seg_regs[segid][feat_id], feat_val);
> +
> + /* Loop filter segment feature */
> + feat_id = V4L2_VP9_SEG_LVL_ALT_L;
> + feat_val = dec_params->lf.level;
> + if (segment_enabled) {
> + if (update_data)
> + update_feat_and_flag(vp9_ctx, seg, feat_id, segid);
> + if (v4l2_vp9_seg_feat_enabled(vp9_ctx->feature_enabled, feat_id, segid))
> + feat_val = feat_val_clip3(feat_val,
> + vp9_ctx->feature_data[segid][feat_id],
> + absolute, 63);
> + }
> + hantro_reg_write(ctx->dev, &seg_regs[segid][feat_id], feat_val);
> +
> + /* Reference frame segment feature */
> + feat_id = V4L2_VP9_SEG_LVL_REF_FRAME;
> + feat_val = 0;
> + if (segment_enabled) {
> + if (update_data)
> + update_feat_and_flag(vp9_ctx, seg, feat_id, segid);
> + if (!(dec_params->flags & V4L2_VP9_FRAME_FLAG_KEY_FRAME) &&
> + v4l2_vp9_seg_feat_enabled(vp9_ctx->feature_enabled, feat_id, segid))
> + feat_val = vp9_ctx->feature_data[segid][feat_id] + 1;
> + }
> + hantro_reg_write(ctx->dev, &seg_regs[segid][feat_id], feat_val);
> +
> + /* Skip segment feature */
> + feat_id = V4L2_VP9_SEG_LVL_SKIP;
> + feat_val = 0;
> + if (segment_enabled) {
> + if (update_data)
> + update_feat_and_flag(vp9_ctx, seg, feat_id, segid);
> + feat_val = v4l2_vp9_seg_feat_enabled(vp9_ctx->feature_enabled,
> + feat_id, segid) ? 1 : 0;
> + }
> + hantro_reg_write(ctx->dev, &seg_regs[segid][feat_id], feat_val);
> + }
> +}
> +
> +static void config_loop_filter(struct hantro_ctx *ctx, const struct v4l2_ctrl_vp9_frame *dec_params)
> +{
> + bool d = dec_params->lf.flags & V4L2_VP9_LOOP_FILTER_FLAG_DELTA_ENABLED;
> +
> + hantro_reg_write(ctx->dev, &vp9_filt_level, dec_params->lf.level);
> + hantro_reg_write(ctx->dev, &g2_out_filtering_dis, dec_params->lf.level == 0);
> + hantro_reg_write(ctx->dev, &vp9_filt_sharpness, dec_params->lf.sharpness);
> +
> + hantro_reg_write(ctx->dev, &vp9_filt_ref_adj_0, d ? dec_params->lf.ref_deltas[0] : 0);
> + hantro_reg_write(ctx->dev, &vp9_filt_ref_adj_1, d ? dec_params->lf.ref_deltas[1] : 0);
> + hantro_reg_write(ctx->dev, &vp9_filt_ref_adj_2, d ? dec_params->lf.ref_deltas[2] : 0);
> + hantro_reg_write(ctx->dev, &vp9_filt_ref_adj_3, d ? dec_params->lf.ref_deltas[3] : 0);
> + hantro_reg_write(ctx->dev, &vp9_filt_mb_adj_0, d ? dec_params->lf.mode_deltas[0] : 0);
> + hantro_reg_write(ctx->dev, &vp9_filt_mb_adj_1, d ? dec_params->lf.mode_deltas[1] : 0);
> +}
> +
> +static void config_picture_dimensions(struct hantro_ctx *ctx, struct hantro_decoded_buffer *dst)
> +{
> + u32 pic_w_4x4, pic_h_4x4;
> +
> + hantro_reg_write(ctx->dev, &g2_pic_width_in_cbs, (dst->vp9.width + 7) / 8);
> + hantro_reg_write(ctx->dev, &g2_pic_height_in_cbs, (dst->vp9.height + 7) / 8);
> + pic_w_4x4 = roundup(dst->vp9.width, 8) >> 2;
> + pic_h_4x4 = roundup(dst->vp9.height, 8) >> 2;
> + hantro_reg_write(ctx->dev, &g2_pic_width_4x4, pic_w_4x4);
> + hantro_reg_write(ctx->dev, &g2_pic_height_4x4, pic_h_4x4);
> +}
> +
> +static void
> +config_bit_depth(struct hantro_ctx *ctx, const struct v4l2_ctrl_vp9_frame *dec_params)
> +{
> + hantro_reg_write(ctx->dev, &g2_bit_depth_y_minus8, dec_params->bit_depth - 8);
> + hantro_reg_write(ctx->dev, &g2_bit_depth_c_minus8, dec_params->bit_depth - 8);
> +}
> +
> +static inline bool is_lossless(const struct v4l2_vp9_quantization *quant)
> +{
> + return quant->base_q_idx == 0 && quant->delta_q_uv_ac == 0 &&
> + quant->delta_q_uv_dc == 0 && quant->delta_q_y_dc == 0;
> +}
> +
> +static void
> +config_quant(struct hantro_ctx *ctx, const struct v4l2_ctrl_vp9_frame *dec_params)
> +{
> + hantro_reg_write(ctx->dev, &vp9_qp_delta_y_dc, dec_params->quant.delta_q_y_dc);
> + hantro_reg_write(ctx->dev, &vp9_qp_delta_ch_dc, dec_params->quant.delta_q_uv_dc);
> + hantro_reg_write(ctx->dev, &vp9_qp_delta_ch_ac, dec_params->quant.delta_q_uv_ac);
> + hantro_reg_write(ctx->dev, &vp9_lossless_e, is_lossless(&dec_params->quant));
> +}
> +
> +static u32
> +hantro_interp_filter_from_v4l2(unsigned int interpolation_filter)
> +{
> + switch (interpolation_filter) {
> + case V4L2_VP9_INTERP_FILTER_EIGHTTAP:
> + return 0x1;
> + case V4L2_VP9_INTERP_FILTER_EIGHTTAP_SMOOTH:
> + return 0;
> + case V4L2_VP9_INTERP_FILTER_EIGHTTAP_SHARP:
> + return 0x2;
> + case V4L2_VP9_INTERP_FILTER_BILINEAR:
> + return 0x3;
> + case V4L2_VP9_INTERP_FILTER_SWITCHABLE:
> + return 0x4;
> + }
> +
> + return 0;
> +}
> +
> +static void
> +config_others(struct hantro_ctx *ctx, const struct v4l2_ctrl_vp9_frame *dec_params,
> + bool intra_only, bool resolution_change)
> +{
> + struct hantro_vp9_dec_hw_ctx *vp9_ctx = &ctx->vp9_dec;
> +
> + hantro_reg_write(ctx->dev, &g2_idr_pic_e, intra_only);
> +
> + hantro_reg_write(ctx->dev, &vp9_transform_mode, vp9_ctx->cur.tx_mode);
> +
> + hantro_reg_write(ctx->dev, &vp9_mcomp_filt_type, intra_only ?
> + 0 : hantro_interp_filter_from_v4l2(dec_params->interpolation_filter));
> +
> + hantro_reg_write(ctx->dev, &vp9_high_prec_mv_e,
> + !!(dec_params->flags & V4L2_VP9_FRAME_FLAG_ALLOW_HIGH_PREC_MV));
> +
> + hantro_reg_write(ctx->dev, &vp9_comp_pred_mode, dec_params->reference_mode);
> +
> + hantro_reg_write(ctx->dev, &g2_tempor_mvp_e,
> + !(dec_params->flags & V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT) &&
> + !(dec_params->flags & V4L2_VP9_FRAME_FLAG_KEY_FRAME) &&
> + !(vp9_ctx->last.flags & V4L2_VP9_FRAME_FLAG_KEY_FRAME) &&
> + !(dec_params->flags & V4L2_VP9_FRAME_FLAG_INTRA_ONLY) &&
> + !resolution_change &&
> + vp9_ctx->last.flags & V4L2_VP9_FRAME_FLAG_SHOW_FRAME
> + );
> +
> + hantro_reg_write(ctx->dev, &g2_write_mvs_e,
> + !(dec_params->flags & V4L2_VP9_FRAME_FLAG_KEY_FRAME));
> +}
> +
> +static void
> +config_compound_reference(struct hantro_ctx *ctx,
> + const struct v4l2_ctrl_vp9_frame *dec_params)
> +{
> + u32 comp_fixed_ref, comp_var_ref[2];
> + bool last_ref_frame_sign_bias;
> + bool golden_ref_frame_sign_bias;
> + bool alt_ref_frame_sign_bias;
> + bool comp_ref_allowed = 0;
> +
> + comp_fixed_ref = 0;
> + comp_var_ref[0] = 0;
> + comp_var_ref[1] = 0;
> +
> + last_ref_frame_sign_bias = dec_params->ref_frame_sign_bias & V4L2_VP9_SIGN_BIAS_LAST;
> + golden_ref_frame_sign_bias = dec_params->ref_frame_sign_bias & V4L2_VP9_SIGN_BIAS_GOLDEN;
> + alt_ref_frame_sign_bias = dec_params->ref_frame_sign_bias & V4L2_VP9_SIGN_BIAS_ALT;
> +
> + /* 6.3.12 Frame reference mode syntax */
> + comp_ref_allowed |= golden_ref_frame_sign_bias != last_ref_frame_sign_bias;
> + comp_ref_allowed |= alt_ref_frame_sign_bias != last_ref_frame_sign_bias;
> +
> + if (comp_ref_allowed) {
> + if (last_ref_frame_sign_bias ==
> + golden_ref_frame_sign_bias) {
> + comp_fixed_ref = ALTREF_FRAME;
> + comp_var_ref[0] = LAST_FRAME;
> + comp_var_ref[1] = GOLDEN_FRAME;
> + } else if (last_ref_frame_sign_bias ==
> + alt_ref_frame_sign_bias) {
> + comp_fixed_ref = GOLDEN_FRAME;
> + comp_var_ref[0] = LAST_FRAME;
> + comp_var_ref[1] = ALTREF_FRAME;
> + } else {
> + comp_fixed_ref = LAST_FRAME;
> + comp_var_ref[0] = GOLDEN_FRAME;
> + comp_var_ref[1] = ALTREF_FRAME;
> + }
> + }
> +
> + hantro_reg_write(ctx->dev, &vp9_comp_pred_fixed_ref, comp_fixed_ref);
> + hantro_reg_write(ctx->dev, &vp9_comp_pred_var_ref0, comp_var_ref[0]);
> + hantro_reg_write(ctx->dev, &vp9_comp_pred_var_ref1, comp_var_ref[1]);
> +}
> +
> +#define INNER_LOOP \
> +do { \
> + for (m = 0; m < ARRAY_SIZE(adaptive->coef[0][0][0][0]); ++m) { \
> + memcpy(adaptive->coef[i][j][k][l][m], \
> + probs->coef[i][j][k][l][m], \
> + sizeof(probs->coef[i][j][k][l][m])); \
> + \
> + adaptive->coef[i][j][k][l][m][3] = 0; \
> + } \
> +} while (0)
> +
> +static void config_probs(struct hantro_ctx *ctx, const struct v4l2_ctrl_vp9_frame *dec_params)
> +{
> + struct hantro_vp9_dec_hw_ctx *vp9_ctx = &ctx->vp9_dec;
> + struct hantro_aux_buf *misc = &vp9_ctx->misc;
> + struct hantro_g2_all_probs *all_probs = misc->cpu;
> + struct hantro_g2_probs *adaptive;
> + struct hantro_g2_mv_probs *mv;
> + const struct v4l2_vp9_segmentation *seg = &dec_params->seg;
> + const struct v4l2_vp9_frame_context *probs = &vp9_ctx->probability_tables;
> + int i, j, k, l, m;
> +
> + for (i = 0; i < ARRAY_SIZE(all_probs->kf_y_mode_prob); ++i)
> + for (j = 0; j < ARRAY_SIZE(all_probs->kf_y_mode_prob[0]); ++j) {
> + memcpy(all_probs->kf_y_mode_prob[i][j],
> + v4l2_vp9_kf_y_mode_prob[i][j],
> + ARRAY_SIZE(all_probs->kf_y_mode_prob[i][j]));
> +
> + all_probs->kf_y_mode_prob_tail[i][j][0] =
> + v4l2_vp9_kf_y_mode_prob[i][j][8];
> + }
> +
> + memcpy(all_probs->mb_segment_tree_probs, seg->tree_probs,
> + sizeof(all_probs->mb_segment_tree_probs));
> +
> + memcpy(all_probs->segment_pred_probs, seg->pred_probs,
> + sizeof(all_probs->segment_pred_probs));
> +
> + for (i = 0; i < ARRAY_SIZE(all_probs->kf_uv_mode_prob); ++i) {
> + memcpy(all_probs->kf_uv_mode_prob[i], v4l2_vp9_kf_uv_mode_prob[i],
> + ARRAY_SIZE(all_probs->kf_uv_mode_prob[i]));
> +
> + all_probs->kf_uv_mode_prob_tail[i][0] = v4l2_vp9_kf_uv_mode_prob[i][8];
> + }
> +
> + adaptive = &all_probs->probs;
> +
> + for (i = 0; i < ARRAY_SIZE(adaptive->inter_mode); ++i) {
> + memcpy(adaptive->inter_mode[i], probs->inter_mode[i],
> + sizeof(probs->inter_mode));
> +
> + adaptive->inter_mode[i][3] = 0;
> + }
> +
> + memcpy(adaptive->is_inter, probs->is_inter, sizeof(adaptive->is_inter));
> +
> + for (i = 0; i < ARRAY_SIZE(adaptive->uv_mode); ++i) {
> + memcpy(adaptive->uv_mode[i], probs->uv_mode[i],
> + sizeof(adaptive->uv_mode[i]));
> + adaptive->uv_mode_tail[i][0] = probs->uv_mode[i][8];
> + }
> +
> + memcpy(adaptive->tx8, probs->tx8, sizeof(adaptive->tx8));
> + memcpy(adaptive->tx16, probs->tx16, sizeof(adaptive->tx16));
> + memcpy(adaptive->tx32, probs->tx32, sizeof(adaptive->tx32));
> +
> + for (i = 0; i < ARRAY_SIZE(adaptive->y_mode); ++i) {
> + memcpy(adaptive->y_mode[i], probs->y_mode[i],
> + ARRAY_SIZE(adaptive->y_mode[i]));
> +
> + adaptive->y_mode_tail[i][0] = probs->y_mode[i][8];
> + }
> +
> + for (i = 0; i < ARRAY_SIZE(adaptive->partition[0]); ++i) {
> + memcpy(adaptive->partition[0][i], v4l2_vp9_kf_partition_probs[i],
> + sizeof(v4l2_vp9_kf_partition_probs[i]));
> +
> + adaptive->partition[0][i][3] = 0;
> + }
> +
> + for (i = 0; i < ARRAY_SIZE(adaptive->partition[1]); ++i) {
> + memcpy(adaptive->partition[1][i], probs->partition[i],
> + sizeof(probs->partition[i]));
> +
> + adaptive->partition[1][i][3] = 0;
> + }
> +
> + memcpy(adaptive->interp_filter, probs->interp_filter,
> + sizeof(adaptive->interp_filter));
> +
> + memcpy(adaptive->comp_mode, probs->comp_mode, sizeof(adaptive->comp_mode));
> +
> + memcpy(adaptive->skip, probs->skip, sizeof(adaptive->skip));
> +
> + mv = &adaptive->mv;
> +
> + memcpy(mv->joint, probs->mv.joint, sizeof(mv->joint));
> + memcpy(mv->sign, probs->mv.sign, sizeof(mv->sign));
> + memcpy(mv->class0_bit, probs->mv.class0_bit, sizeof(mv->class0_bit));
> + memcpy(mv->fr, probs->mv.fr, sizeof(mv->fr));
> + memcpy(mv->class0_hp, probs->mv.class0_hp, sizeof(mv->class0_hp));
> + memcpy(mv->hp, probs->mv.hp, sizeof(mv->hp));
> + memcpy(mv->classes, probs->mv.classes, sizeof(mv->classes));
> + memcpy(mv->class0_fr, probs->mv.class0_fr, sizeof(mv->class0_fr));
> + memcpy(mv->bits, probs->mv.bits, sizeof(mv->bits));
> +
> + memcpy(adaptive->single_ref, probs->single_ref, sizeof(adaptive->single_ref));
> +
> + memcpy(adaptive->comp_ref, probs->comp_ref, sizeof(adaptive->comp_ref));
> +
> + for (i = 0; i < ARRAY_SIZE(adaptive->coef); ++i)
> + for (j = 0; j < ARRAY_SIZE(adaptive->coef[0]); ++j)
> + for (k = 0; k < ARRAY_SIZE(adaptive->coef[0][0]); ++k)
> + for (l = 0; l < ARRAY_SIZE(adaptive->coef[0][0][0]); ++l)
> + INNER_LOOP;
> +
> + hantro_write_addr(ctx->dev, VP9_ADDR_PROBS, misc->dma);
> +}
> +
> +static void config_counts(struct hantro_ctx *ctx)
> +{
> + struct hantro_vp9_dec_hw_ctx *vp9_dec = &ctx->vp9_dec;
> + struct hantro_aux_buf *misc = &vp9_dec->misc;
> + dma_addr_t addr = misc->dma + vp9_dec->ctx_counters_offset;
> +
> + hantro_write_addr(ctx->dev, VP9_ADDR_CTR, addr);
> +}
> +
> +static void config_seg_map(struct hantro_ctx *ctx,
> + const struct v4l2_ctrl_vp9_frame *dec_params,
> + bool intra_only, bool update_map)
> +{
> + struct hantro_vp9_dec_hw_ctx *vp9_ctx = &ctx->vp9_dec;
> + struct hantro_aux_buf *segment_map = &vp9_ctx->segment_map;
> + dma_addr_t addr;
> +
> + if (intra_only ||
> + (dec_params->flags & V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT)) {
> + memset(segment_map->cpu, 0, segment_map->size);
> + memset(vp9_ctx->feature_data, 0, sizeof(vp9_ctx->feature_data));
> + memset(vp9_ctx->feature_enabled, 0, sizeof(vp9_ctx->feature_enabled));
> + }
> +
> + addr = segment_map->dma + vp9_ctx->active_segment * vp9_ctx->segment_map_size;
> + hantro_write_addr(ctx->dev, VP9_ADDR_SEGMENT_READ, addr);
> +
> + addr = segment_map->dma + (1 - vp9_ctx->active_segment) * vp9_ctx->segment_map_size;
> + hantro_write_addr(ctx->dev, VP9_ADDR_SEGMENT_WRITE, addr);
> +
> + if (update_map)
> + vp9_ctx->active_segment = 1 - vp9_ctx->active_segment;
> +}
> +
> +static void
> +config_source(struct hantro_ctx *ctx, const struct v4l2_ctrl_vp9_frame *dec_params,
> + struct vb2_v4l2_buffer *vb2_src)
> +{
> + dma_addr_t stream_base, tmp_addr;
> + unsigned int headres_size;
> + u32 src_len, start_bit, src_buf_len;
> +
> + headres_size = dec_params->uncompressed_header_size
> + + dec_params->compressed_header_size;
> +
> + stream_base = vb2_dma_contig_plane_dma_addr(&vb2_src->vb2_buf, 0);
> + hantro_write_addr(ctx->dev, G2_ADDR_STR, stream_base);
> +
> + tmp_addr = stream_base + headres_size;
> + start_bit = (tmp_addr & 0xf) * 8;
> + hantro_reg_write(ctx->dev, &g2_start_bit, start_bit);
> +
> + src_len = vb2_get_plane_payload(&vb2_src->vb2_buf, 0);
> + src_len += start_bit / 8 - headres_size;
> + hantro_reg_write(ctx->dev, &g2_stream_len, src_len);
> +
> + tmp_addr &= ~0xf;
> + hantro_reg_write(ctx->dev, &g2_strm_start_offset, tmp_addr - stream_base);
> + src_buf_len = vb2_plane_size(&vb2_src->vb2_buf, 0);
> + hantro_reg_write(ctx->dev, &g2_strm_buffer_len, src_buf_len);
> +}
> +
> +static void
> +config_registers(struct hantro_ctx *ctx, const struct v4l2_ctrl_vp9_frame *dec_params,
> + struct vb2_v4l2_buffer *vb2_src, struct vb2_v4l2_buffer *vb2_dst)
> +{
> + struct hantro_decoded_buffer *dst, *last, *mv_ref;
> + struct hantro_vp9_dec_hw_ctx *vp9_ctx = &ctx->vp9_dec;
> + const struct v4l2_vp9_segmentation *seg;
> + bool intra_only, resolution_change;
> +
> + /* vp9 stuff */
> + dst = vb2_to_hantro_decoded_buf(&vb2_dst->vb2_buf);
> +
> + 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));
> +
> + if (!intra_only &&
> + !(dec_params->flags & V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT) &&
> + vp9_ctx->last.valid)
> + mv_ref = last;
> + else
> + mv_ref = dst;
> +
> + resolution_change = dst->vp9.width != last->vp9.width ||
> + dst->vp9.height != last->vp9.height;
> +
> + /* configure basic registers */
> + hantro_reg_write(ctx->dev, &g2_mode, VP9_DEC_MODE);
> + hantro_reg_write(ctx->dev, &g2_strm_swap, 0xf);
> + hantro_reg_write(ctx->dev, &g2_dirmv_swap, 0xf);
> + hantro_reg_write(ctx->dev, &g2_compress_swap, 0xf);
> + hantro_reg_write(ctx->dev, &g2_buswidth, BUS_WIDTH_128);
> + hantro_reg_write(ctx->dev, &g2_max_burst, 16);
> + hantro_reg_write(ctx->dev, &g2_apf_threshold, 8);
> + hantro_reg_write(ctx->dev, &g2_ref_compress_bypass, 1);
> + hantro_reg_write(ctx->dev, &g2_clk_gate_e, 1);
> + hantro_reg_write(ctx->dev, &g2_max_cb_size, 6);
> + hantro_reg_write(ctx->dev, &g2_min_cb_size, 3);
> +
> + config_output(ctx, dst, dec_params);
> +
> + if (!intra_only)
> + config_ref_registers(ctx, dec_params, dst, mv_ref);
> +
> + config_tiles(ctx, dec_params, dst);
> + config_segment(ctx, dec_params);
> + config_loop_filter(ctx, dec_params);
> + config_picture_dimensions(ctx, dst);
> + config_bit_depth(ctx, dec_params);
> + config_quant(ctx, dec_params);
> + config_others(ctx, dec_params, intra_only, resolution_change);
> + config_compound_reference(ctx, dec_params);
> + config_probs(ctx, dec_params);
> + config_counts(ctx);
> + config_seg_map(ctx, dec_params, intra_only,
> + seg->flags & V4L2_VP9_SEGMENTATION_FLAG_UPDATE_MAP);
> + config_source(ctx, dec_params, vb2_src);
> +}
> +
> +int hantro_g2_vp9_dec_run(struct hantro_ctx *ctx)
> +{
> + const struct v4l2_ctrl_vp9_frame *decode_params;
> + struct vb2_v4l2_buffer *src;
> + struct vb2_v4l2_buffer *dst;
> + int ret;
> +
> + hantro_g2_check_idle(ctx->dev);
> +
> + ret = start_prepare_run(ctx, &decode_params);
> + if (ret) {
> + hantro_end_prepare_run(ctx);
> + return ret;
> + }
> +
> + src = hantro_get_src_buf(ctx);
> + dst = hantro_get_dst_buf(ctx);
> +
> + config_registers(ctx, decode_params, src, dst);
> +
> + hantro_end_prepare_run(ctx);
> +
> + vdpu_write(ctx->dev, G2_REG_INTERRUPT_DEC_E, G2_REG_INTERRUPT);
> +
> + return 0;
> +}
> +
> +#define copy_tx_and_skip(p1, p2) \
> +do { \
> + memcpy((p1)->tx8, (p2)->tx8, sizeof((p1)->tx8)); \
> + memcpy((p1)->tx16, (p2)->tx16, sizeof((p1)->tx16)); \
> + memcpy((p1)->tx32, (p2)->tx32, sizeof((p1)->tx32)); \
> + memcpy((p1)->skip, (p2)->skip, sizeof((p1)->skip)); \
> +} while (0)
> +
> +void hantro_g2_vp9_dec_done(struct hantro_ctx *ctx)
> +{
> + struct hantro_vp9_dec_hw_ctx *vp9_ctx = &ctx->vp9_dec;
> + unsigned int fctx_idx;
> +
> + 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_PARALLEL_DEC_MODE)) {
> + /* error_resilient_mode == 0 && frame_parallel_decoding_mode == 0 */
> + struct v4l2_vp9_frame_context *probs = &vp9_ctx->probability_tables;
> + bool frame_is_intra = vp9_ctx->cur.flags &
> + (V4L2_VP9_FRAME_FLAG_KEY_FRAME | V4L2_VP9_FRAME_FLAG_INTRA_ONLY);
> + struct tx_and_skip {
> + u8 tx8[2][1];
> + u8 tx16[2][2];
> + u8 tx32[2][3];
> + u8 skip[3];
> + } _tx_skip, *tx_skip = &_tx_skip;
> + struct v4l2_vp9_frame_symbol_counts *counts;
> + struct symbol_counts *hantro_cnts;
> + u32 tx16p[2][4];
> + int i;
> +
> + /* buffer the forward-updated TX and skip probs */
> + if (frame_is_intra)
> + copy_tx_and_skip(tx_skip, probs);
> +
> + /* 6.1.2 refresh_probs(): load_probs() and load_probs2() */
> + *probs = vp9_ctx->frame_context[fctx_idx];
> +
> + /* if FrameIsIntra then undo the effect of load_probs2() */
> + if (frame_is_intra)
> + copy_tx_and_skip(probs, tx_skip);
> +
> + counts = &vp9_ctx->cnts;
> + hantro_cnts = vp9_ctx->misc.cpu + vp9_ctx->ctx_counters_offset;
> + for (i = 0; i < ARRAY_SIZE(tx16p); ++i) {
> + memcpy(tx16p[i],
> + hantro_cnts->tx16x16_count[i],
> + sizeof(hantro_cnts->tx16x16_count[0]));
> + tx16p[i][3] = 0;
> + }
> + counts->tx16p = &tx16p;
> +
> + v4l2_vp9_adapt_coef_probs(probs, counts,
> + !vp9_ctx->last.valid ||
> + vp9_ctx->last.flags & V4L2_VP9_FRAME_FLAG_KEY_FRAME,
> + frame_is_intra);
> +
> + if (!frame_is_intra) {
> + /* load_probs2() already done */
> + u32 mv_mode[7][4];
> +
> + for (i = 0; i < ARRAY_SIZE(mv_mode); ++i) {
> + mv_mode[i][0] = hantro_cnts->inter_mode_counts[i][1][0];
> + mv_mode[i][1] = hantro_cnts->inter_mode_counts[i][2][0];
> + mv_mode[i][2] = hantro_cnts->inter_mode_counts[i][0][0];
> + mv_mode[i][3] = hantro_cnts->inter_mode_counts[i][2][1];
> + }
> + counts->mv_mode = &mv_mode;
> + v4l2_vp9_adapt_noncoef_probs(&vp9_ctx->probability_tables, counts,
> + vp9_ctx->cur.reference_mode,
> + vp9_ctx->cur.interpolation_filter,
> + vp9_ctx->cur.tx_mode, vp9_ctx->cur.flags);
> + }
> + }
> +
> + vp9_ctx->frame_context[fctx_idx] = vp9_ctx->probability_tables;
> +
> +out_update_last:
> + vp9_ctx->last = vp9_ctx->cur;
> +}
> diff --git a/drivers/staging/media/hantro/hantro_hw.h b/drivers/staging/media/hantro/hantro_hw.h
> index 42b3f3961f75..2961d399fd60 100644
> --- a/drivers/staging/media/hantro/hantro_hw.h
> +++ b/drivers/staging/media/hantro/hantro_hw.h
> @@ -12,6 +12,7 @@
> #include <linux/interrupt.h>
> #include <linux/v4l2-controls.h>
> #include <media/v4l2-ctrls.h>
> +#include <media/v4l2-vp9.h>
> #include <media/videobuf2-core.h>
>
> #define DEC_8190_ALIGN_MASK 0x07U
> @@ -161,6 +162,50 @@ struct hantro_vp8_dec_hw_ctx {
> struct hantro_aux_buf prob_tbl;
> };
>
> +struct hantro_vp9_frame_info {
> + u32 valid : 1;
> + u32 frame_context_idx : 2;
> + u32 reference_mode : 2;
> + u32 tx_mode : 3;
> + u32 interpolation_filter : 3;
> + u32 flags;
> + u64 timestamp;
> +};
> +
> +#define MAX_SB_COLS 64
> +#define MAX_SB_ROWS 34
> +
> +/**
> + * struct hantro_vp9_dec_hw_ctx
> + *
> + */
> +struct hantro_vp9_dec_hw_ctx {
> + struct hantro_aux_buf tile_edge;
> + struct hantro_aux_buf segment_map;
> + struct hantro_aux_buf misc;
> + struct v4l2_vp9_frame_symbol_counts cnts;
> + struct v4l2_vp9_frame_context probability_tables;
> + struct v4l2_vp9_frame_context frame_context[4];
> + struct hantro_vp9_frame_info cur;
> + struct hantro_vp9_frame_info last;
> +
> + unsigned int bsd_ctrl_offset;
> + unsigned int segment_map_size;
> + unsigned int ctx_counters_offset;
> + unsigned int tile_info_offset;
> +
> + unsigned short tile_r_info[MAX_SB_ROWS];
> + unsigned short tile_c_info[MAX_SB_COLS];
> + unsigned int last_tile_r;
> + unsigned int last_tile_c;
> + unsigned int last_sbs_r;
> + unsigned int last_sbs_c;
> +
> + unsigned int active_segment;
> + u8 feature_enabled[8];
> + s16 feature_data[8][4];
> +};
> +
> /**
> * struct hantro_postproc_ctx
> *
> @@ -267,6 +312,24 @@ void hantro_hevc_ref_remove_unused(struct hantro_ctx *ctx);
> size_t hantro_hevc_chroma_offset(const struct v4l2_ctrl_hevc_sps *sps);
> size_t hantro_hevc_motion_vectors_offset(const struct v4l2_ctrl_hevc_sps *sps);
>
> +static inline unsigned short hantro_vp9_num_sbs(unsigned short dimension)
> +{
> + return (dimension + 63) / 64;
> +}
> +
> +static inline size_t
> +hantro_vp9_mv_size(unsigned int width, unsigned int height)
> +{
> + int num_ctbs;
> +
> + /*
> + * There can be up to (CTBs x 64) number of blocks,
> + * and the motion vector for each block needs 16 bytes.
> + */
> + num_ctbs = hantro_vp9_num_sbs(width) * hantro_vp9_num_sbs(height);
> + return (num_ctbs * 64) * 16;
> +}
> +
> static inline size_t
> hantro_h264_mv_size(unsigned int width, unsigned int height)
> {
> @@ -308,6 +371,10 @@ void hantro_vp8_dec_exit(struct hantro_ctx *ctx);
> void hantro_vp8_prob_update(struct hantro_ctx *ctx,
> const struct v4l2_ctrl_vp8_frame *hdr);
>
> +int hantro_g2_vp9_dec_run(struct hantro_ctx *ctx);
> +void hantro_g2_vp9_dec_done(struct hantro_ctx *ctx);
> +int hantro_vp9_dec_init(struct hantro_ctx *ctx);
> +void hantro_vp9_dec_exit(struct hantro_ctx *ctx);
> void hantro_g2_check_idle(struct hantro_dev *vpu);
>
> #endif /* HANTRO_HW_H_ */
> diff --git a/drivers/staging/media/hantro/hantro_v4l2.c b/drivers/staging/media/hantro/hantro_v4l2.c
> index d1f060c55fed..e4b0645ba6fc 100644
> --- a/drivers/staging/media/hantro/hantro_v4l2.c
> +++ b/drivers/staging/media/hantro/hantro_v4l2.c
> @@ -299,6 +299,11 @@ static int hantro_try_fmt(const struct hantro_ctx *ctx,
> pix_mp->plane_fmt[0].sizeimage +=
> hantro_h264_mv_size(pix_mp->width,
> pix_mp->height);
> + else if (ctx->vpu_src_fmt->fourcc == V4L2_PIX_FMT_VP9_FRAME &&
> + !hantro_needs_postproc(ctx, fmt))
> + pix_mp->plane_fmt[0].sizeimage +=
> + hantro_vp9_mv_size(pix_mp->width,
> + pix_mp->height);
> } else if (!pix_mp->plane_fmt[0].sizeimage) {
> /*
> * For coded formats the application can specify
> @@ -407,6 +412,7 @@ hantro_update_requires_request(struct hantro_ctx *ctx, u32 fourcc)
> case V4L2_PIX_FMT_VP8_FRAME:
> case V4L2_PIX_FMT_H264_SLICE:
> case V4L2_PIX_FMT_HEVC_SLICE:
> + case V4L2_PIX_FMT_VP9_FRAME:
> ctx->fh.m2m_ctx->out_q_ctx.q.requires_requests = true;
> break;
> default:
> diff --git a/drivers/staging/media/hantro/hantro_vp9.c b/drivers/staging/media/hantro/hantro_vp9.c
> new file mode 100644
> index 000000000000..566cd376c097
> --- /dev/null
> +++ b/drivers/staging/media/hantro/hantro_vp9.c
> @@ -0,0 +1,240 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Hantro VP9 codec driver
> + *
> + * Copyright (C) 2021 Collabora Ltd.
> + */
> +
> +#include <linux/types.h>
> +#include <media/v4l2-mem2mem.h>
> +
> +#include "hantro.h"
> +#include "hantro_hw.h"
> +#include "hantro_vp9.h"
> +
> +#define POW2(x) (1 << (x))
> +
> +#define MAX_LOG2_TILE_COLUMNS 6
> +#define MAX_NUM_TILE_COLS POW2(MAX_LOG2_TILE_COLUMNS)
> +#define MAX_TILE_COLS 20
> +#define MAX_TILE_ROWS 22
> +
> +static size_t hantro_vp9_tile_filter_size(unsigned int height)
> +{
> + u32 h, height32, size;
> +
> + h = roundup(height, 8);
> +
> + height32 = roundup(h, 64);
> + size = 24 * height32 * (MAX_NUM_TILE_COLS - 1); /* luma: 8, chroma: 8 + 8 */
> +
> + return size;
> +}
> +
> +static size_t hantro_vp9_bsd_control_size(unsigned int height)
> +{
> + u32 h, height32;
> +
> + h = roundup(height, 8);
> + height32 = roundup(h, 64);
> +
> + return 16 * (height32 / 4) * (MAX_NUM_TILE_COLS - 1);
> +}
> +
> +static size_t hantro_vp9_segment_map_size(unsigned int width, unsigned int height)
> +{
> + u32 w, h;
> + int num_ctbs;
> +
> + w = roundup(width, 8);
> + h = roundup(height, 8);
> + num_ctbs = ((w + 63) / 64) * ((h + 63) / 64);
> +
> + return num_ctbs * 32;
> +}
> +
> +static inline size_t hantro_vp9_prob_tab_size(void)
> +{
> + return roundup(sizeof(struct hantro_g2_all_probs), 16);
> +}
> +
> +static inline size_t hantro_vp9_count_tab_size(void)
> +{
> + return roundup(sizeof(struct symbol_counts), 16);
> +}
> +
> +static inline size_t hantro_vp9_tile_info_size(void)
> +{
> + return roundup((MAX_TILE_COLS * MAX_TILE_ROWS * 4 * sizeof(u16) + 15 + 16) & ~0xf, 16);
> +}
> +
> +static void *get_coeffs_arr(struct symbol_counts *cnts, int i, int j, int k, int l, int m)
> +{
> + if (i == 0)
> + return &cnts->count_coeffs[j][k][l][m];
> +
> + if (i == 1)
> + return &cnts->count_coeffs8x8[j][k][l][m];
> +
> + if (i == 2)
> + return &cnts->count_coeffs16x16[j][k][l][m];
> +
> + if (i == 3)
> + return &cnts->count_coeffs32x32[j][k][l][m];
> +
> + return NULL;
> +}
> +
> +static void *get_eobs1(struct symbol_counts *cnts, int i, int j, int k, int l, int m)
> +{
> + if (i == 0)
> + return &cnts->count_coeffs[j][k][l][m][3];
> +
> + if (i == 1)
> + return &cnts->count_coeffs8x8[j][k][l][m][3];
> +
> + if (i == 2)
> + return &cnts->count_coeffs16x16[j][k][l][m][3];
> +
> + if (i == 3)
> + return &cnts->count_coeffs32x32[j][k][l][m][3];
> +
> + return NULL;
> +}
> +
> +#define INNER_LOOP \
> + do { \
> + for (m = 0; m < ARRAY_SIZE(vp9_ctx->cnts.coeff[i][0][0][0]); ++m) { \
> + vp9_ctx->cnts.coeff[i][j][k][l][m] = \
> + get_coeffs_arr(cnts, i, j, k, l, m); \
> + vp9_ctx->cnts.eob[i][j][k][l][m][0] = \
> + &cnts->count_eobs[i][j][k][l][m]; \
> + vp9_ctx->cnts.eob[i][j][k][l][m][1] = \
> + get_eobs1(cnts, i, j, k, l, m); \
> + } \
> + } while (0)
> +
> +static void init_v4l2_vp9_count_tbl(struct hantro_ctx *ctx)
> +{
> + struct hantro_vp9_dec_hw_ctx *vp9_ctx = &ctx->vp9_dec;
> + struct symbol_counts *cnts = vp9_ctx->misc.cpu + vp9_ctx->ctx_counters_offset;
> + int i, j, k, l, m;
> +
> + vp9_ctx->cnts.partition = &cnts->partition_counts;
> + vp9_ctx->cnts.skip = &cnts->mbskip_count;
> + vp9_ctx->cnts.intra_inter = &cnts->intra_inter_count;
> + vp9_ctx->cnts.tx32p = &cnts->tx32x32_count;
> + /*
> + * g2 hardware uses tx16x16_count[2][3], while the api
> + * expects tx16p[2][4], so this must be explicitly copied
> + * into vp9_ctx->cnts.tx16p when passing the data to the
> + * vp9 library function
> + */
> + vp9_ctx->cnts.tx8p = &cnts->tx8x8_count;
> +
> + vp9_ctx->cnts.y_mode = &cnts->sb_ymode_counts;
> + vp9_ctx->cnts.uv_mode = &cnts->uv_mode_counts;
> + vp9_ctx->cnts.comp = &cnts->comp_inter_count;
> + vp9_ctx->cnts.comp_ref = &cnts->comp_ref_count;
> + vp9_ctx->cnts.single_ref = &cnts->single_ref_count;
> + vp9_ctx->cnts.filter = &cnts->switchable_interp_counts;
> + vp9_ctx->cnts.mv_joint = &cnts->mv_counts.joints;
> + vp9_ctx->cnts.sign = &cnts->mv_counts.sign;
> + vp9_ctx->cnts.classes = &cnts->mv_counts.classes;
> + vp9_ctx->cnts.class0 = &cnts->mv_counts.class0;
> + vp9_ctx->cnts.bits = &cnts->mv_counts.bits;
> + vp9_ctx->cnts.class0_fp = &cnts->mv_counts.class0_fp;
> + vp9_ctx->cnts.fp = &cnts->mv_counts.fp;
> + vp9_ctx->cnts.class0_hp = &cnts->mv_counts.class0_hp;
> + vp9_ctx->cnts.hp = &cnts->mv_counts.hp;
> +
> + for (i = 0; i < ARRAY_SIZE(vp9_ctx->cnts.coeff); ++i)
> + for (j = 0; j < ARRAY_SIZE(vp9_ctx->cnts.coeff[i]); ++j)
> + for (k = 0; k < ARRAY_SIZE(vp9_ctx->cnts.coeff[i][0]); ++k)
> + for (l = 0; l < ARRAY_SIZE(vp9_ctx->cnts.coeff[i][0][0]); ++l)
> + INNER_LOOP;
> +}
> +
> +int hantro_vp9_dec_init(struct hantro_ctx *ctx)
> +{
> + struct hantro_dev *vpu = ctx->dev;
> + const struct hantro_variant *variant = vpu->variant;
> + struct hantro_vp9_dec_hw_ctx *vp9_dec = &ctx->vp9_dec;
> + struct hantro_aux_buf *tile_edge = &vp9_dec->tile_edge;
> + struct hantro_aux_buf *segment_map = &vp9_dec->segment_map;
> + struct hantro_aux_buf *misc = &vp9_dec->misc;
> + u32 i, max_width, max_height, size;
> +
> + if (variant->num_dec_fmts < 1)
> + return -EINVAL;
> +
> + for (i = 0; i < variant->num_dec_fmts; ++i)
> + if (variant->dec_fmts[i].fourcc == V4L2_PIX_FMT_VP9_FRAME)
> + break;
> +
> + if (i == variant->num_dec_fmts)
> + return -EINVAL;
> +
> + max_width = vpu->variant->dec_fmts[i].frmsize.max_width;
> + max_height = vpu->variant->dec_fmts[i].frmsize.max_height;
> +
> + size = hantro_vp9_tile_filter_size(max_height);
> + vp9_dec->bsd_ctrl_offset = size;
> + size += hantro_vp9_bsd_control_size(max_height);
> +
> + tile_edge->cpu = dma_alloc_coherent(vpu->dev, size, &tile_edge->dma, GFP_KERNEL);
> + if (!tile_edge->cpu)
> + return -ENOMEM;
> +
> + tile_edge->size = size;
> + memset(tile_edge->cpu, 0, size);
> +
> + size = hantro_vp9_segment_map_size(max_width, max_height);
> + vp9_dec->segment_map_size = size;
> + size *= 2; /* we need two areas of this size, used alternately */
> +
> + segment_map->cpu = dma_alloc_coherent(vpu->dev, size, &segment_map->dma, GFP_KERNEL);
> + if (!segment_map->cpu)
> + goto err_segment_map;
> +
> + segment_map->size = size;
> + memset(segment_map->cpu, 0, size);
> +
> + size = hantro_vp9_prob_tab_size();
> + vp9_dec->ctx_counters_offset = size;
> + size += hantro_vp9_count_tab_size();
> + vp9_dec->tile_info_offset = size;
> + size += hantro_vp9_tile_info_size();
> +
> + misc->cpu = dma_alloc_coherent(vpu->dev, size, &misc->dma, GFP_KERNEL);
> + if (!misc->cpu)
> + goto err_misc;
> +
> + misc->size = size;
> + memset(misc->cpu, 0, size);
> +
> + init_v4l2_vp9_count_tbl(ctx);
> +
> + return 0;
> +
> +err_misc:
> + dma_free_coherent(vpu->dev, segment_map->size, segment_map->cpu, segment_map->dma);
> +
> +err_segment_map:
> + dma_free_coherent(vpu->dev, tile_edge->size, tile_edge->cpu, tile_edge->dma);
> +
> + return -ENOMEM;
> +}
> +
> +void hantro_vp9_dec_exit(struct hantro_ctx *ctx)
> +{
> + struct hantro_dev *vpu = ctx->dev;
> + struct hantro_vp9_dec_hw_ctx *vp9_dec = &ctx->vp9_dec;
> + struct hantro_aux_buf *tile_edge = &vp9_dec->tile_edge;
> + struct hantro_aux_buf *segment_map = &vp9_dec->segment_map;
> + struct hantro_aux_buf *misc = &vp9_dec->misc;
> +
> + dma_free_coherent(vpu->dev, misc->size, misc->cpu, misc->dma);
> + dma_free_coherent(vpu->dev, segment_map->size, segment_map->cpu, segment_map->dma);
> + dma_free_coherent(vpu->dev, tile_edge->size, tile_edge->cpu, tile_edge->dma);
> +}
> diff --git a/drivers/staging/media/hantro/hantro_vp9.h b/drivers/staging/media/hantro/hantro_vp9.h
> new file mode 100644
> index 000000000000..c7f4bd3ff8dd
> --- /dev/null
> +++ b/drivers/staging/media/hantro/hantro_vp9.h
> @@ -0,0 +1,103 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Hantro VP9 codec driver
> + *
> + * Copyright (C) 2021 Collabora Ltd.
> + */
> +
> +struct hantro_g2_mv_probs {
> + u8 joint[3];
> + u8 sign[2];
> + u8 class0_bit[2][1];
> + u8 fr[2][3];
> + u8 class0_hp[2];
> + u8 hp[2];
> + u8 classes[2][10];
> + u8 class0_fr[2][2][3];
> + u8 bits[2][10];
> +};
> +
> +struct hantro_g2_probs {
> + u8 inter_mode[7][4];
> + u8 is_inter[4];
> + u8 uv_mode[10][8];
> + u8 tx8[2][1];
> + u8 tx16[2][2];
> + u8 tx32[2][3];
> + u8 y_mode_tail[4][1];
> + u8 y_mode[4][8];
> + u8 partition[2][16][4]; /* [keyframe][][], [inter][][] */
> + u8 uv_mode_tail[10][1];
> + u8 interp_filter[4][2];
> + u8 comp_mode[5];
> + u8 skip[3];
> +
> + u8 pad1[1];
> +
> + struct hantro_g2_mv_probs mv;
> +
> + u8 single_ref[5][2];
> + u8 comp_ref[5];
> +
> + u8 pad2[17];
> +
> + u8 coef[4][2][2][6][6][4];
> +};
> +
> +struct hantro_g2_all_probs {
> + u8 kf_y_mode_prob[10][10][8];
> +
> + u8 kf_y_mode_prob_tail[10][10][1];
> + u8 ref_pred_probs[3];
> + u8 mb_segment_tree_probs[7];
> + u8 segment_pred_probs[3];
> + u8 ref_scores[4];
> + u8 prob_comppred[2];
> +
> + u8 pad1[9];
> +
> + u8 kf_uv_mode_prob[10][8];
> + u8 kf_uv_mode_prob_tail[10][1];
> +
> + u8 pad2[6];
> +
> + struct hantro_g2_probs probs;
> +};
> +
> +struct mv_counts {
> + u32 joints[4];
> + u32 sign[2][2];
> + u32 classes[2][11];
> + u32 class0[2][2];
> + u32 bits[2][10][2];
> + u32 class0_fp[2][2][4];
> + u32 fp[2][4];
> + u32 class0_hp[2][2];
> + u32 hp[2][2];
> +};
> +
> +struct symbol_counts {
> + u32 inter_mode_counts[7][3][2];
> + u32 sb_ymode_counts[4][10];
> + u32 uv_mode_counts[10][10];
> + u32 partition_counts[16][4];
> + u32 switchable_interp_counts[4][3];
> + u32 intra_inter_count[4][2];
> + u32 comp_inter_count[5][2];
> + u32 single_ref_count[5][2][2];
> + u32 comp_ref_count[5][2];
> + u32 tx32x32_count[2][4];
> + u32 tx16x16_count[2][3];
> + u32 tx8x8_count[2][2];
> + u32 mbskip_count[3][2];
> +
> + struct mv_counts mv_counts;
> +
> + u32 count_coeffs[2][2][6][6][4];
> + u32 count_coeffs8x8[2][2][6][6][4];
> + u32 count_coeffs16x16[2][2][6][6][4];
> + u32 count_coeffs32x32[2][2][6][6][4];
> +
> + u32 count_eobs[4][2][2][6][6];
> +};
> +
> diff --git a/drivers/staging/media/hantro/imx8m_vpu_hw.c b/drivers/staging/media/hantro/imx8m_vpu_hw.c
> index a40b161e5956..455a107ffb02 100644
> --- a/drivers/staging/media/hantro/imx8m_vpu_hw.c
> +++ b/drivers/staging/media/hantro/imx8m_vpu_hw.c
> @@ -150,6 +150,19 @@ static const struct hantro_fmt imx8m_vpu_g2_dec_fmts[] = {
> .step_height = MB_DIM,
> },
> },
> + {
> + .fourcc = V4L2_PIX_FMT_VP9_FRAME,
> + .codec_mode = HANTRO_MODE_VP9_DEC,
> + .max_depth = 2,
> + .frmsize = {
> + .min_width = 48,
> + .max_width = 3840,
> + .step_width = MB_DIM,
> + .min_height = 48,
> + .max_height = 2160,
> + .step_height = MB_DIM,
> + },
> + },
> };
>
> static irqreturn_t imx8m_vpu_g1_irq(int irq, void *dev_id)
> @@ -241,6 +254,13 @@ static const struct hantro_codec_ops imx8mq_vpu_g2_codec_ops[] = {
> .init = hantro_hevc_dec_init,
> .exit = hantro_hevc_dec_exit,
> },
> + [HANTRO_MODE_VP9_DEC] = {
> + .run = hantro_g2_vp9_dec_run,
> + .done = hantro_g2_vp9_dec_done,
> + .reset = imx8m_vpu_g2_reset,
> + .init = hantro_vp9_dec_init,
> + .exit = hantro_vp9_dec_exit,
> + },
> };
>
> /*
> @@ -281,7 +301,7 @@ const struct hantro_variant imx8mq_vpu_g2_variant = {
> .dec_offset = 0x0,
> .dec_fmts = imx8m_vpu_g2_dec_fmts,
> .num_dec_fmts = ARRAY_SIZE(imx8m_vpu_g2_dec_fmts),
> - .codec = HANTRO_HEVC_DECODER,
> + .codec = HANTRO_HEVC_DECODER | HANTRO_VP9_DECODER,
> .codec_ops = imx8mq_vpu_g2_codec_ops,
> .init = imx8mq_vpu_hw_init,
> .runtime_resume = imx8mq_runtime_resume,
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